drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <drm/drm_edid.h>
  25 #include <drm/drm_fourcc.h>
  26 #include <drm/drm_modeset_helper.h>
  27 #include <drm/drm_modeset_helper_vtables.h>
  28 #include <drm/drm_vblank.h>
  29
  30 #include "amdgpu.h"
  31 #include "amdgpu_pm.h"
  32 #include "amdgpu_i2c.h"
  33 #include "vid.h"
  34 #include "atom.h"
  35 #include "amdgpu_atombios.h"
  36 #include "atombios_crtc.h"
  37 #include "atombios_encoders.h"
  38 #include "amdgpu_pll.h"
  39 #include "amdgpu_connectors.h"
  40 #include "amdgpu_display.h"
  41 #include "dce_v11_0.h"
  42
  43 #include "dce/dce_11_0_d.h"
  44 #include "dce/dce_11_0_sh_mask.h"
  45 #include "dce/dce_11_0_enum.h"
  46 #include "oss/oss_3_0_d.h"
  47 #include "oss/oss_3_0_sh_mask.h"
  48 #include "gmc/gmc_8_1_d.h"
  49 #include "gmc/gmc_8_1_sh_mask.h"
  50
  51 #include "ivsrcid/ivsrcid_vislands30.h"
  52
  53 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
  54 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
  55 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
  56
  57 static const u32 crtc_offsets[] =
  58 {
  59         CRTC0_REGISTER_OFFSET,
  60         CRTC1_REGISTER_OFFSET,
  61         CRTC2_REGISTER_OFFSET,
  62         CRTC3_REGISTER_OFFSET,
  63         CRTC4_REGISTER_OFFSET,
  64         CRTC5_REGISTER_OFFSET,
  65         CRTC6_REGISTER_OFFSET
  66 };
  67
  68 static const u32 hpd_offsets[] =
  69 {
  70         HPD0_REGISTER_OFFSET,
  71         HPD1_REGISTER_OFFSET,
  72         HPD2_REGISTER_OFFSET,
  73         HPD3_REGISTER_OFFSET,
  74         HPD4_REGISTER_OFFSET,
  75         HPD5_REGISTER_OFFSET
  76 };
  77
  78 static const uint32_t dig_offsets[] = {
  79         DIG0_REGISTER_OFFSET,
  80         DIG1_REGISTER_OFFSET,
  81         DIG2_REGISTER_OFFSET,
  82         DIG3_REGISTER_OFFSET,
  83         DIG4_REGISTER_OFFSET,
  84         DIG5_REGISTER_OFFSET,
  85         DIG6_REGISTER_OFFSET,
  86         DIG7_REGISTER_OFFSET,
  87         DIG8_REGISTER_OFFSET
  88 };
  89
  90 static const struct {
  91         uint32_t        reg;
  92         uint32_t        vblank;
  93         uint32_t        vline;
  94         uint32_t        hpd;
  95
  96 } interrupt_status_offsets[] = { {
  97         .reg = mmDISP_INTERRUPT_STATUS,
  98         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  99         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
 100         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
 101 }, {
 102         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
 103         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 104         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 105         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 106 }, {
 107         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 108         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 109         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 110         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 111 }, {
 112         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 113         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 114         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 115         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 116 }, {
 117         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 118         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 119         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 120         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 121 }, {
 122         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 123         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 124         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 125         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 126 } };
 127
 128 static const u32 cz_golden_settings_a11[] =
 129 {
 130         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 131         mmFBC_MISC, 0x1f311fff, 0x14300000,
 132 };
 133
 134 static const u32 cz_mgcg_cgcg_init[] =
 135 {
 136         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 137         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 138 };
 139
 140 static const u32 stoney_golden_settings_a11[] =
 141 {
 142         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
 143         mmFBC_MISC, 0x1f311fff, 0x14302000,
 144 };
 145
 146 static const u32 polaris11_golden_settings_a11[] =
 147 {
 148         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 149         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 150         mmFBC_DEBUG1, 0xffffffff, 0x00000008,
 151         mmFBC_MISC, 0x9f313fff, 0x14302008,
 152         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 153 };
 154
 155 static const u32 polaris10_golden_settings_a11[] =
 156 {
 157         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 158         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 159         mmFBC_MISC, 0x9f313fff, 0x14302008,
 160         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
 161 };
 162
 163 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
 164 {
 165         switch (adev->asic_type) {
 166         case CHIP_CARRIZO:
 167                 amdgpu_device_program_register_sequence(adev,
 168                                                         cz_mgcg_cgcg_init,
 169                                                         ARRAY_SIZE(cz_mgcg_cgcg_init));
 170                 amdgpu_device_program_register_sequence(adev,
 171                                                         cz_golden_settings_a11,
 172                                                         ARRAY_SIZE(cz_golden_settings_a11));
 173                 break;
 174         case CHIP_STONEY:
 175                 amdgpu_device_program_register_sequence(adev,
 176                                                         stoney_golden_settings_a11,
 177                                                         ARRAY_SIZE(stoney_golden_settings_a11));
 178                 break;
 179         case CHIP_POLARIS11:
 180         case CHIP_POLARIS12:
 181                 amdgpu_device_program_register_sequence(adev,
 182                                                         polaris11_golden_settings_a11,
 183                                                         ARRAY_SIZE(polaris11_golden_settings_a11));
 184                 break;
 185         case CHIP_POLARIS10:
 186         case CHIP_VEGAM:
 187                 amdgpu_device_program_register_sequence(adev,
 188                                                         polaris10_golden_settings_a11,
 189                                                         ARRAY_SIZE(polaris10_golden_settings_a11));
 190                 break;
 191         default:
 192                 break;
 193         }
 194 }
 195
 196 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
 197                                      u32 block_offset, u32 reg)
 198 {
 199         unsigned long flags;
 200         u32 r;
 201
 202         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 203         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 204         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 205         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 206
 207         return r;
 208 }
 209
 210 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 211                                       u32 block_offset, u32 reg, u32 v)
 212 {
 213         unsigned long flags;
 214
 215         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 216         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 217         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 218         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 219 }
 220
 221 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 222 {
 223         if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
 224                 return 0;
 225         else
 226                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 227 }
 228
 229 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 230 {
 231         unsigned i;
 232
 233         /* Enable pflip interrupts */
 234         for (i = 0; i < adev->mode_info.num_crtc; i++)
 235                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 236 }
 237
 238 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 239 {
 240         unsigned i;
 241
 242         /* Disable pflip interrupts */
 243         for (i = 0; i < adev->mode_info.num_crtc; i++)
 244                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 245 }
 246
 247 /**
 248  * dce_v11_0_page_flip - pageflip callback.
 249  *
 250  * @adev: amdgpu_device pointer
 251  * @crtc_id: crtc to cleanup pageflip on
 252  * @crtc_base: new address of the crtc (GPU MC address)
 253  * @async: asynchronous flip
 254  *
 255  * Triggers the actual pageflip by updating the primary
 256  * surface base address.
 257  */
 258 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
 259                                 int crtc_id, u64 crtc_base, bool async)
 260 {
 261         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 262         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 263         u32 tmp;
 264
 265         /* flip immediate for async, default is vsync */
 266         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 267         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 268                             GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
 269         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 270         /* update pitch */
 271         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 272                fb->pitches[0] / fb->format->cpp[0]);
 273         /* update the scanout addresses */
 274         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 275                upper_32_bits(crtc_base));
 276         /* writing to the low address triggers the update */
 277         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 278                lower_32_bits(crtc_base));
 279         /* post the write */
 280         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 281 }
 282
 283 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 284                                         u32 *vbl, u32 *position)
 285 {
 286         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 287                 return -EINVAL;
 288
 289         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 290         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 291
 292         return 0;
 293 }
 294
 295 /**
 296  * dce_v11_0_hpd_sense - hpd sense callback.
 297  *
 298  * @adev: amdgpu_device pointer
 299  * @hpd: hpd (hotplug detect) pin
 300  *
 301  * Checks if a digital monitor is connected (evergreen+).
 302  * Returns true if connected, false if not connected.
 303  */
 304 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
 305                                enum amdgpu_hpd_id hpd)
 306 {
 307         bool connected = false;
 308
 309         if (hpd >= adev->mode_info.num_hpd)
 310                 return connected;
 311
 312         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 313             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 314                 connected = true;
 315
 316         return connected;
 317 }
 318
 319 /**
 320  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
 321  *
 322  * @adev: amdgpu_device pointer
 323  * @hpd: hpd (hotplug detect) pin
 324  *
 325  * Set the polarity of the hpd pin (evergreen+).
 326  */
 327 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
 328                                       enum amdgpu_hpd_id hpd)
 329 {
 330         u32 tmp;
 331         bool connected = dce_v11_0_hpd_sense(adev, hpd);
 332
 333         if (hpd >= adev->mode_info.num_hpd)
 334                 return;
 335
 336         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 337         if (connected)
 338                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 339         else
 340                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 341         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 342 }
 343
 344 /**
 345  * dce_v11_0_hpd_init - hpd setup callback.
 346  *
 347  * @adev: amdgpu_device pointer
 348  *
 349  * Setup the hpd pins used by the card (evergreen+).
 350  * Enable the pin, set the polarity, and enable the hpd interrupts.
 351  */
 352 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
 353 {
 354         struct drm_device *dev = adev_to_drm(adev);
 355         struct drm_connector *connector;
 356         struct drm_connector_list_iter iter;
 357         u32 tmp;
 358
 359         drm_connector_list_iter_begin(dev, &iter);
 360         drm_for_each_connector_iter(connector, &iter) {
 361                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 362
 363                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 364                         continue;
 365
 366                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 367                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 368                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 369                          * aux dp channel on imac and help (but not completely fix)
 370                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 371                          * also avoid interrupt storms during dpms.
 372                          */
 373                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 374                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 375                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 376                         continue;
 377                 }
 378
 379                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 380                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 381                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 382
 383                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 384                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 385                                     DC_HPD_CONNECT_INT_DELAY,
 386                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 387                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 388                                     DC_HPD_DISCONNECT_INT_DELAY,
 389                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 390                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 391
 392                 dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 393                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 394                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 395         }
 396         drm_connector_list_iter_end(&iter);
 397 }
 398
 399 /**
 400  * dce_v11_0_hpd_fini - hpd tear down callback.
 401  *
 402  * @adev: amdgpu_device pointer
 403  *
 404  * Tear down the hpd pins used by the card (evergreen+).
 405  * Disable the hpd interrupts.
 406  */
 407 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
 408 {
 409         struct drm_device *dev = adev_to_drm(adev);
 410         struct drm_connector *connector;
 411         struct drm_connector_list_iter iter;
 412         u32 tmp;
 413
 414         drm_connector_list_iter_begin(dev, &iter);
 415         drm_for_each_connector_iter(connector, &iter) {
 416                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 417
 418                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 419                         continue;
 420
 421                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 422                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 423                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 424
 425                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
 426         }
 427         drm_connector_list_iter_end(&iter);
 428 }
 429
 430 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 431 {
 432         return mmDC_GPIO_HPD_A;
 433 }
 434
 435 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
 436 {
 437         u32 crtc_hung = 0;
 438         u32 crtc_status[6];
 439         u32 i, j, tmp;
 440
 441         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 442                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 443                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 444                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 445                         crtc_hung |= (1 << i);
 446                 }
 447         }
 448
 449         for (j = 0; j < 10; j++) {
 450                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
 451                         if (crtc_hung & (1 << i)) {
 452                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 453                                 if (tmp != crtc_status[i])
 454                                         crtc_hung &= ~(1 << i);
 455                         }
 456                 }
 457                 if (crtc_hung == 0)
 458                         return false;
 459                 udelay(100);
 460         }
 461
 462         return true;
 463 }
 464
 465 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
 466                                            bool render)
 467 {
 468         u32 tmp;
 469
 470         /* Lockout access through VGA aperture*/
 471         tmp = RREG32(mmVGA_HDP_CONTROL);
 472         if (render)
 473                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 474         else
 475                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 476         WREG32(mmVGA_HDP_CONTROL, tmp);
 477
 478         /* disable VGA render */
 479         tmp = RREG32(mmVGA_RENDER_CONTROL);
 480         if (render)
 481                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 482         else
 483                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 484         WREG32(mmVGA_RENDER_CONTROL, tmp);
 485 }
 486
 487 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
 488 {
 489         int num_crtc = 0;
 490
 491         switch (adev->asic_type) {
 492         case CHIP_CARRIZO:
 493                 num_crtc = 3;
 494                 break;
 495         case CHIP_STONEY:
 496                 num_crtc = 2;
 497                 break;
 498         case CHIP_POLARIS10:
 499         case CHIP_VEGAM:
 500                 num_crtc = 6;
 501                 break;
 502         case CHIP_POLARIS11:
 503         case CHIP_POLARIS12:
 504                 num_crtc = 5;
 505                 break;
 506         default:
 507                 num_crtc = 0;
 508         }
 509         return num_crtc;
 510 }
 511
 512 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
 513 {
 514         /*Disable VGA render and enabled crtc, if has DCE engine*/
 515         if (amdgpu_atombios_has_dce_engine_info(adev)) {
 516                 u32 tmp;
 517                 int crtc_enabled, i;
 518
 519                 dce_v11_0_set_vga_render_state(adev, false);
 520
 521                 /*Disable crtc*/
 522                 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
 523                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 524                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
 525                         if (crtc_enabled) {
 526                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 527                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 528                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 529                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 530                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 531                         }
 532                 }
 533         }
 534 }
 535
 536 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
 537 {
 538         struct drm_device *dev = encoder->dev;
 539         struct amdgpu_device *adev = drm_to_adev(dev);
 540         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 541         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 542         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 543         int bpc = 0;
 544         u32 tmp = 0;
 545         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 546
 547         if (connector) {
 548                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 549                 bpc = amdgpu_connector_get_monitor_bpc(connector);
 550                 dither = amdgpu_connector->dither;
 551         }
 552
 553         /* LVDS/eDP FMT is set up by atom */
 554         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 555                 return;
 556
 557         /* not needed for analog */
 558         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 559             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 560                 return;
 561
 562         if (bpc == 0)
 563                 return;
 564
 565         switch (bpc) {
 566         case 6:
 567                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 568                         /* XXX sort out optimal dither settings */
 569                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 570                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 571                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 572                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 573                 } else {
 574                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 575                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 576                 }
 577                 break;
 578         case 8:
 579                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 580                         /* XXX sort out optimal dither settings */
 581                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 582                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 583                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 584                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 585                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 586                 } else {
 587                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 588                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 589                 }
 590                 break;
 591         case 10:
 592                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 593                         /* XXX sort out optimal dither settings */
 594                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 595                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 596                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 597                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 598                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 599                 } else {
 600                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 601                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 602                 }
 603                 break;
 604         default:
 605                 /* not needed */
 606                 break;
 607         }
 608
 609         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 610 }
 611
 612
 613 /* display watermark setup */
 614 /**
 615  * dce_v11_0_line_buffer_adjust - Set up the line buffer
 616  *
 617  * @adev: amdgpu_device pointer
 618  * @amdgpu_crtc: the selected display controller
 619  * @mode: the current display mode on the selected display
 620  * controller
 621  *
 622  * Setup up the line buffer allocation for
 623  * the selected display controller (CIK).
 624  * Returns the line buffer size in pixels.
 625  */
 626 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
 627                                        struct amdgpu_crtc *amdgpu_crtc,
 628                                        struct drm_display_mode *mode)
 629 {
 630         u32 tmp, buffer_alloc, i, mem_cfg;
 631         u32 pipe_offset = amdgpu_crtc->crtc_id;
 632         /*
 633          * Line Buffer Setup
 634          * There are 6 line buffers, one for each display controllers.
 635          * There are 3 partitions per LB. Select the number of partitions
 636          * to enable based on the display width.  For display widths larger
 637          * than 4096, you need use to use 2 display controllers and combine
 638          * them using the stereo blender.
 639          */
 640         if (amdgpu_crtc->base.enabled && mode) {
 641                 if (mode->crtc_hdisplay < 1920) {
 642                         mem_cfg = 1;
 643                         buffer_alloc = 2;
 644                 } else if (mode->crtc_hdisplay < 2560) {
 645                         mem_cfg = 2;
 646                         buffer_alloc = 2;
 647                 } else if (mode->crtc_hdisplay < 4096) {
 648                         mem_cfg = 0;
 649                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 650                 } else {
 651                         DRM_DEBUG_KMS("Mode too big for LB!\n");
 652                         mem_cfg = 0;
 653                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 654                 }
 655         } else {
 656                 mem_cfg = 1;
 657                 buffer_alloc = 0;
 658         }
 659
 660         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 661         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 662         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 663
 664         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 665         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 666         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 667
 668         for (i = 0; i < adev->usec_timeout; i++) {
 669                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 670                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 671                         break;
 672                 udelay(1);
 673         }
 674
 675         if (amdgpu_crtc->base.enabled && mode) {
 676                 switch (mem_cfg) {
 677                 case 0:
 678                 default:
 679                         return 4096 * 2;
 680                 case 1:
 681                         return 1920 * 2;
 682                 case 2:
 683                         return 2560 * 2;
 684                 }
 685         }
 686
 687         /* controller not enabled, so no lb used */
 688         return 0;
 689 }
 690
 691 /**
 692  * cik_get_number_of_dram_channels - get the number of dram channels
 693  *
 694  * @adev: amdgpu_device pointer
 695  *
 696  * Look up the number of video ram channels (CIK).
 697  * Used for display watermark bandwidth calculations
 698  * Returns the number of dram channels
 699  */
 700 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 701 {
 702         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 703
 704         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 705         case 0:
 706         default:
 707                 return 1;
 708         case 1:
 709                 return 2;
 710         case 2:
 711                 return 4;
 712         case 3:
 713                 return 8;
 714         case 4:
 715                 return 3;
 716         case 5:
 717                 return 6;
 718         case 6:
 719                 return 10;
 720         case 7:
 721                 return 12;
 722         case 8:
 723                 return 16;
 724         }
 725 }
 726
 727 struct dce10_wm_params {
 728         u32 dram_channels; /* number of dram channels */
 729         u32 yclk;          /* bandwidth per dram data pin in kHz */
 730         u32 sclk;          /* engine clock in kHz */
 731         u32 disp_clk;      /* display clock in kHz */
 732         u32 src_width;     /* viewport width */
 733         u32 active_time;   /* active display time in ns */
 734         u32 blank_time;    /* blank time in ns */
 735         bool interlaced;    /* mode is interlaced */
 736         fixed20_12 vsc;    /* vertical scale ratio */
 737         u32 num_heads;     /* number of active crtcs */
 738         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 739         u32 lb_size;       /* line buffer allocated to pipe */
 740         u32 vtaps;         /* vertical scaler taps */
 741 };
 742
 743 /**
 744  * dce_v11_0_dram_bandwidth - get the dram bandwidth
 745  *
 746  * @wm: watermark calculation data
 747  *
 748  * Calculate the raw dram bandwidth (CIK).
 749  * Used for display watermark bandwidth calculations
 750  * Returns the dram bandwidth in MBytes/s
 751  */
 752 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
 753 {
 754         /* Calculate raw DRAM Bandwidth */
 755         fixed20_12 dram_efficiency; /* 0.7 */
 756         fixed20_12 yclk, dram_channels, bandwidth;
 757         fixed20_12 a;
 758
 759         a.full = dfixed_const(1000);
 760         yclk.full = dfixed_const(wm->yclk);
 761         yclk.full = dfixed_div(yclk, a);
 762         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 763         a.full = dfixed_const(10);
 764         dram_efficiency.full = dfixed_const(7);
 765         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 766         bandwidth.full = dfixed_mul(dram_channels, yclk);
 767         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 768
 769         return dfixed_trunc(bandwidth);
 770 }
 771
 772 /**
 773  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
 774  *
 775  * @wm: watermark calculation data
 776  *
 777  * Calculate the dram bandwidth used for display (CIK).
 778  * Used for display watermark bandwidth calculations
 779  * Returns the dram bandwidth for display in MBytes/s
 780  */
 781 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 782 {
 783         /* Calculate DRAM Bandwidth and the part allocated to display. */
 784         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 785         fixed20_12 yclk, dram_channels, bandwidth;
 786         fixed20_12 a;
 787
 788         a.full = dfixed_const(1000);
 789         yclk.full = dfixed_const(wm->yclk);
 790         yclk.full = dfixed_div(yclk, a);
 791         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 792         a.full = dfixed_const(10);
 793         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 794         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 795         bandwidth.full = dfixed_mul(dram_channels, yclk);
 796         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 797
 798         return dfixed_trunc(bandwidth);
 799 }
 800
 801 /**
 802  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
 803  *
 804  * @wm: watermark calculation data
 805  *
 806  * Calculate the data return bandwidth used for display (CIK).
 807  * Used for display watermark bandwidth calculations
 808  * Returns the data return bandwidth in MBytes/s
 809  */
 810 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
 811 {
 812         /* Calculate the display Data return Bandwidth */
 813         fixed20_12 return_efficiency; /* 0.8 */
 814         fixed20_12 sclk, bandwidth;
 815         fixed20_12 a;
 816
 817         a.full = dfixed_const(1000);
 818         sclk.full = dfixed_const(wm->sclk);
 819         sclk.full = dfixed_div(sclk, a);
 820         a.full = dfixed_const(10);
 821         return_efficiency.full = dfixed_const(8);
 822         return_efficiency.full = dfixed_div(return_efficiency, a);
 823         a.full = dfixed_const(32);
 824         bandwidth.full = dfixed_mul(a, sclk);
 825         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 826
 827         return dfixed_trunc(bandwidth);
 828 }
 829
 830 /**
 831  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
 832  *
 833  * @wm: watermark calculation data
 834  *
 835  * Calculate the dmif bandwidth used for display (CIK).
 836  * Used for display watermark bandwidth calculations
 837  * Returns the dmif bandwidth in MBytes/s
 838  */
 839 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 840 {
 841         /* Calculate the DMIF Request Bandwidth */
 842         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 843         fixed20_12 disp_clk, bandwidth;
 844         fixed20_12 a, b;
 845
 846         a.full = dfixed_const(1000);
 847         disp_clk.full = dfixed_const(wm->disp_clk);
 848         disp_clk.full = dfixed_div(disp_clk, a);
 849         a.full = dfixed_const(32);
 850         b.full = dfixed_mul(a, disp_clk);
 851
 852         a.full = dfixed_const(10);
 853         disp_clk_request_efficiency.full = dfixed_const(8);
 854         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 855
 856         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 857
 858         return dfixed_trunc(bandwidth);
 859 }
 860
 861 /**
 862  * dce_v11_0_available_bandwidth - get the min available bandwidth
 863  *
 864  * @wm: watermark calculation data
 865  *
 866  * Calculate the min available bandwidth used for display (CIK).
 867  * Used for display watermark bandwidth calculations
 868  * Returns the min available bandwidth in MBytes/s
 869  */
 870 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
 871 {
 872         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 873         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
 874         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
 875         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
 876
 877         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 878 }
 879
 880 /**
 881  * dce_v11_0_average_bandwidth - get the average available bandwidth
 882  *
 883  * @wm: watermark calculation data
 884  *
 885  * Calculate the average available bandwidth used for display (CIK).
 886  * Used for display watermark bandwidth calculations
 887  * Returns the average available bandwidth in MBytes/s
 888  */
 889 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
 890 {
 891         /* Calculate the display mode Average Bandwidth
 892          * DisplayMode should contain the source and destination dimensions,
 893          * timing, etc.
 894          */
 895         fixed20_12 bpp;
 896         fixed20_12 line_time;
 897         fixed20_12 src_width;
 898         fixed20_12 bandwidth;
 899         fixed20_12 a;
 900
 901         a.full = dfixed_const(1000);
 902         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 903         line_time.full = dfixed_div(line_time, a);
 904         bpp.full = dfixed_const(wm->bytes_per_pixel);
 905         src_width.full = dfixed_const(wm->src_width);
 906         bandwidth.full = dfixed_mul(src_width, bpp);
 907         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 908         bandwidth.full = dfixed_div(bandwidth, line_time);
 909
 910         return dfixed_trunc(bandwidth);
 911 }
 912
 913 /**
 914  * dce_v11_0_latency_watermark - get the latency watermark
 915  *
 916  * @wm: watermark calculation data
 917  *
 918  * Calculate the latency watermark (CIK).
 919  * Used for display watermark bandwidth calculations
 920  * Returns the latency watermark in ns
 921  */
 922 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
 923 {
 924         /* First calculate the latency in ns */
 925         u32 mc_latency = 2000; /* 2000 ns. */
 926         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
 927         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 928         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 929         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 930         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 931                 (wm->num_heads * cursor_line_pair_return_time);
 932         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 933         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 934         u32 tmp, dmif_size = 12288;
 935         fixed20_12 a, b, c;
 936
 937         if (wm->num_heads == 0)
 938                 return 0;
 939
 940         a.full = dfixed_const(2);
 941         b.full = dfixed_const(1);
 942         if ((wm->vsc.full > a.full) ||
 943             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 944             (wm->vtaps >= 5) ||
 945             ((wm->vsc.full >= a.full) && wm->interlaced))
 946                 max_src_lines_per_dst_line = 4;
 947         else
 948                 max_src_lines_per_dst_line = 2;
 949
 950         a.full = dfixed_const(available_bandwidth);
 951         b.full = dfixed_const(wm->num_heads);
 952         a.full = dfixed_div(a, b);
 953         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 954         tmp = min(dfixed_trunc(a), tmp);
 955
 956         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 957
 958         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 959         b.full = dfixed_const(1000);
 960         c.full = dfixed_const(lb_fill_bw);
 961         b.full = dfixed_div(c, b);
 962         a.full = dfixed_div(a, b);
 963         line_fill_time = dfixed_trunc(a);
 964
 965         if (line_fill_time < wm->active_time)
 966                 return latency;
 967         else
 968                 return latency + (line_fill_time - wm->active_time);
 969
 970 }
 971
 972 /**
 973  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 974  * average and available dram bandwidth
 975  *
 976  * @wm: watermark calculation data
 977  *
 978  * Check if the display average bandwidth fits in the display
 979  * dram bandwidth (CIK).
 980  * Used for display watermark bandwidth calculations
 981  * Returns true if the display fits, false if not.
 982  */
 983 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 984 {
 985         if (dce_v11_0_average_bandwidth(wm) <=
 986             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 987                 return true;
 988         else
 989                 return false;
 990 }
 991
 992 /**
 993  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
 994  * average and available bandwidth
 995  *
 996  * @wm: watermark calculation data
 997  *
 998  * Check if the display average bandwidth fits in the display
 999  * available bandwidth (CIK).
1000  * Used for display watermark bandwidth calculations
1001  * Returns true if the display fits, false if not.
1002  */
1003 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1004 {
1005         if (dce_v11_0_average_bandwidth(wm) <=
1006             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1007                 return true;
1008         else
1009                 return false;
1010 }
1011
1012 /**
1013  * dce_v11_0_check_latency_hiding - check latency hiding
1014  *
1015  * @wm: watermark calculation data
1016  *
1017  * Check latency hiding (CIK).
1018  * Used for display watermark bandwidth calculations
1019  * Returns true if the display fits, false if not.
1020  */
1021 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1022 {
1023         u32 lb_partitions = wm->lb_size / wm->src_width;
1024         u32 line_time = wm->active_time + wm->blank_time;
1025         u32 latency_tolerant_lines;
1026         u32 latency_hiding;
1027         fixed20_12 a;
1028
1029         a.full = dfixed_const(1);
1030         if (wm->vsc.full > a.full)
1031                 latency_tolerant_lines = 1;
1032         else {
1033                 if (lb_partitions <= (wm->vtaps + 1))
1034                         latency_tolerant_lines = 1;
1035                 else
1036                         latency_tolerant_lines = 2;
1037         }
1038
1039         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1040
1041         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1042                 return true;
1043         else
1044                 return false;
1045 }
1046
1047 /**
1048  * dce_v11_0_program_watermarks - program display watermarks
1049  *
1050  * @adev: amdgpu_device pointer
1051  * @amdgpu_crtc: the selected display controller
1052  * @lb_size: line buffer size
1053  * @num_heads: number of display controllers in use
1054  *
1055  * Calculate and program the display watermarks for the
1056  * selected display controller (CIK).
1057  */
1058 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1059                                         struct amdgpu_crtc *amdgpu_crtc,
1060                                         u32 lb_size, u32 num_heads)
1061 {
1062         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1063         struct dce10_wm_params wm_low, wm_high;
1064         u32 active_time;
1065         u32 line_time = 0;
1066         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1067         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1068
1069         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1070                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1071                                             (u32)mode->clock);
1072                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1073                                           (u32)mode->clock);
1074                 line_time = min_t(u32, line_time, 65535);
1075
1076                 /* watermark for high clocks */
1077                 if (adev->pm.dpm_enabled) {
1078                         wm_high.yclk =
1079                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1080                         wm_high.sclk =
1081                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1082                 } else {
1083                         wm_high.yclk = adev->pm.current_mclk * 10;
1084                         wm_high.sclk = adev->pm.current_sclk * 10;
1085                 }
1086
1087                 wm_high.disp_clk = mode->clock;
1088                 wm_high.src_width = mode->crtc_hdisplay;
1089                 wm_high.active_time = active_time;
1090                 wm_high.blank_time = line_time - wm_high.active_time;
1091                 wm_high.interlaced = false;
1092                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1093                         wm_high.interlaced = true;
1094                 wm_high.vsc = amdgpu_crtc->vsc;
1095                 wm_high.vtaps = 1;
1096                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1097                         wm_high.vtaps = 2;
1098                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1099                 wm_high.lb_size = lb_size;
1100                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1101                 wm_high.num_heads = num_heads;
1102
1103                 /* set for high clocks */
1104                 latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1105
1106                 /* possibly force display priority to high */
1107                 /* should really do this at mode validation time... */
1108                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1109                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1110                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1111                     (adev->mode_info.disp_priority == 2)) {
1112                         DRM_DEBUG_KMS("force priority to high\n");
1113                 }
1114
1115                 /* watermark for low clocks */
1116                 if (adev->pm.dpm_enabled) {
1117                         wm_low.yclk =
1118                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1119                         wm_low.sclk =
1120                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1121                 } else {
1122                         wm_low.yclk = adev->pm.current_mclk * 10;
1123                         wm_low.sclk = adev->pm.current_sclk * 10;
1124                 }
1125
1126                 wm_low.disp_clk = mode->clock;
1127                 wm_low.src_width = mode->crtc_hdisplay;
1128                 wm_low.active_time = active_time;
1129                 wm_low.blank_time = line_time - wm_low.active_time;
1130                 wm_low.interlaced = false;
1131                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1132                         wm_low.interlaced = true;
1133                 wm_low.vsc = amdgpu_crtc->vsc;
1134                 wm_low.vtaps = 1;
1135                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1136                         wm_low.vtaps = 2;
1137                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1138                 wm_low.lb_size = lb_size;
1139                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1140                 wm_low.num_heads = num_heads;
1141
1142                 /* set for low clocks */
1143                 latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1144
1145                 /* possibly force display priority to high */
1146                 /* should really do this at mode validation time... */
1147                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1148                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1149                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1150                     (adev->mode_info.disp_priority == 2)) {
1151                         DRM_DEBUG_KMS("force priority to high\n");
1152                 }
1153                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1154         }
1155
1156         /* select wm A */
1157         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1158         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1159         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1160         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1161         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1162         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1163         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1164         /* select wm B */
1165         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1166         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1167         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1168         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1169         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1170         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1171         /* restore original selection */
1172         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1173
1174         /* save values for DPM */
1175         amdgpu_crtc->line_time = line_time;
1176         amdgpu_crtc->wm_high = latency_watermark_a;
1177         amdgpu_crtc->wm_low = latency_watermark_b;
1178         /* Save number of lines the linebuffer leads before the scanout */
1179         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1180 }
1181
1182 /**
1183  * dce_v11_0_bandwidth_update - program display watermarks
1184  *
1185  * @adev: amdgpu_device pointer
1186  *
1187  * Calculate and program the display watermarks and line
1188  * buffer allocation (CIK).
1189  */
1190 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1191 {
1192         struct drm_display_mode *mode = NULL;
1193         u32 num_heads = 0, lb_size;
1194         int i;
1195
1196         amdgpu_display_update_priority(adev);
1197
1198         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1199                 if (adev->mode_info.crtcs[i]->base.enabled)
1200                         num_heads++;
1201         }
1202         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1203                 mode = &adev->mode_info.crtcs[i]->base.mode;
1204                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1205                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1206                                             lb_size, num_heads);
1207         }
1208 }
1209
1210 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1211 {
1212         int i;
1213         u32 offset, tmp;
1214
1215         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1216                 offset = adev->mode_info.audio.pin[i].offset;
1217                 tmp = RREG32_AUDIO_ENDPT(offset,
1218                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1219                 if (((tmp &
1220                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1221                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1222                         adev->mode_info.audio.pin[i].connected = false;
1223                 else
1224                         adev->mode_info.audio.pin[i].connected = true;
1225         }
1226 }
1227
1228 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1229 {
1230         int i;
1231
1232         dce_v11_0_audio_get_connected_pins(adev);
1233
1234         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1235                 if (adev->mode_info.audio.pin[i].connected)
1236                         return &adev->mode_info.audio.pin[i];
1237         }
1238         DRM_ERROR("No connected audio pins found!\n");
1239         return NULL;
1240 }
1241
1242 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1243 {
1244         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1245         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1246         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1247         u32 tmp;
1248
1249         if (!dig || !dig->afmt || !dig->afmt->pin)
1250                 return;
1251
1252         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1253         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1254         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1255 }
1256
1257 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1258                                                 struct drm_display_mode *mode)
1259 {
1260         struct drm_device *dev = encoder->dev;
1261         struct amdgpu_device *adev = drm_to_adev(dev);
1262         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1263         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1264         struct drm_connector *connector;
1265         struct drm_connector_list_iter iter;
1266         struct amdgpu_connector *amdgpu_connector = NULL;
1267         u32 tmp;
1268         int interlace = 0;
1269
1270         if (!dig || !dig->afmt || !dig->afmt->pin)
1271                 return;
1272
1273         drm_connector_list_iter_begin(dev, &iter);
1274         drm_for_each_connector_iter(connector, &iter) {
1275                 if (connector->encoder == encoder) {
1276                         amdgpu_connector = to_amdgpu_connector(connector);
1277                         break;
1278                 }
1279         }
1280         drm_connector_list_iter_end(&iter);
1281
1282         if (!amdgpu_connector) {
1283                 DRM_ERROR("Couldn't find encoder's connector\n");
1284                 return;
1285         }
1286
1287         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1288                 interlace = 1;
1289         if (connector->latency_present[interlace]) {
1290                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1292                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1294         } else {
1295                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296                                     VIDEO_LIPSYNC, 0);
1297                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1298                                     AUDIO_LIPSYNC, 0);
1299         }
1300         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1301                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1302 }
1303
1304 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1305 {
1306         struct drm_device *dev = encoder->dev;
1307         struct amdgpu_device *adev = drm_to_adev(dev);
1308         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1309         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1310         struct drm_connector *connector;
1311         struct drm_connector_list_iter iter;
1312         struct amdgpu_connector *amdgpu_connector = NULL;
1313         u32 tmp;
1314         u8 *sadb = NULL;
1315         int sad_count;
1316
1317         if (!dig || !dig->afmt || !dig->afmt->pin)
1318                 return;
1319
1320         drm_connector_list_iter_begin(dev, &iter);
1321         drm_for_each_connector_iter(connector, &iter) {
1322                 if (connector->encoder == encoder) {
1323                         amdgpu_connector = to_amdgpu_connector(connector);
1324                         break;
1325                 }
1326         }
1327         drm_connector_list_iter_end(&iter);
1328
1329         if (!amdgpu_connector) {
1330                 DRM_ERROR("Couldn't find encoder's connector\n");
1331                 return;
1332         }
1333
1334         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1335         if (sad_count < 0) {
1336                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1337                 sad_count = 0;
1338         }
1339
1340         /* program the speaker allocation */
1341         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1342                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1343         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344                             DP_CONNECTION, 0);
1345         /* set HDMI mode */
1346         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347                             HDMI_CONNECTION, 1);
1348         if (sad_count)
1349                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1350                                     SPEAKER_ALLOCATION, sadb[0]);
1351         else
1352                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1353                                     SPEAKER_ALLOCATION, 5); /* stereo */
1354         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1355                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1356
1357         kfree(sadb);
1358 }
1359
1360 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1361 {
1362         struct drm_device *dev = encoder->dev;
1363         struct amdgpu_device *adev = drm_to_adev(dev);
1364         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366         struct drm_connector *connector;
1367         struct drm_connector_list_iter iter;
1368         struct amdgpu_connector *amdgpu_connector = NULL;
1369         struct cea_sad *sads;
1370         int i, sad_count;
1371
1372         static const u16 eld_reg_to_type[][2] = {
1373                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1374                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1375                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1376                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1377                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1378                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1379                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1380                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1381                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1382                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1383                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1384                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1385         };
1386
1387         if (!dig || !dig->afmt || !dig->afmt->pin)
1388                 return;
1389
1390         drm_connector_list_iter_begin(dev, &iter);
1391         drm_for_each_connector_iter(connector, &iter) {
1392                 if (connector->encoder == encoder) {
1393                         amdgpu_connector = to_amdgpu_connector(connector);
1394                         break;
1395                 }
1396         }
1397         drm_connector_list_iter_end(&iter);
1398
1399         if (!amdgpu_connector) {
1400                 DRM_ERROR("Couldn't find encoder's connector\n");
1401                 return;
1402         }
1403
1404         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1405         if (sad_count < 0)
1406                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1407         if (sad_count <= 0)
1408                 return;
1409         BUG_ON(!sads);
1410
1411         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1412                 u32 tmp = 0;
1413                 u8 stereo_freqs = 0;
1414                 int max_channels = -1;
1415                 int j;
1416
1417                 for (j = 0; j < sad_count; j++) {
1418                         struct cea_sad *sad = &sads[j];
1419
1420                         if (sad->format == eld_reg_to_type[i][1]) {
1421                                 if (sad->channels > max_channels) {
1422                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423                                                             MAX_CHANNELS, sad->channels);
1424                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1426                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1427                                                             SUPPORTED_FREQUENCIES, sad->freq);
1428                                         max_channels = sad->channels;
1429                                 }
1430
1431                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1432                                         stereo_freqs |= sad->freq;
1433                                 else
1434                                         break;
1435                         }
1436                 }
1437
1438                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1439                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1440                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1441         }
1442
1443         kfree(sads);
1444 }
1445
1446 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1447                                   struct amdgpu_audio_pin *pin,
1448                                   bool enable)
1449 {
1450         if (!pin)
1451                 return;
1452
1453         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1454                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1455 }
1456
1457 static const u32 pin_offsets[] =
1458 {
1459         AUD0_REGISTER_OFFSET,
1460         AUD1_REGISTER_OFFSET,
1461         AUD2_REGISTER_OFFSET,
1462         AUD3_REGISTER_OFFSET,
1463         AUD4_REGISTER_OFFSET,
1464         AUD5_REGISTER_OFFSET,
1465         AUD6_REGISTER_OFFSET,
1466         AUD7_REGISTER_OFFSET,
1467 };
1468
1469 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1470 {
1471         int i;
1472
1473         if (!amdgpu_audio)
1474                 return 0;
1475
1476         adev->mode_info.audio.enabled = true;
1477
1478         switch (adev->asic_type) {
1479         case CHIP_CARRIZO:
1480         case CHIP_STONEY:
1481                 adev->mode_info.audio.num_pins = 7;
1482                 break;
1483         case CHIP_POLARIS10:
1484         case CHIP_VEGAM:
1485                 adev->mode_info.audio.num_pins = 8;
1486                 break;
1487         case CHIP_POLARIS11:
1488         case CHIP_POLARIS12:
1489                 adev->mode_info.audio.num_pins = 6;
1490                 break;
1491         default:
1492                 return -EINVAL;
1493         }
1494
1495         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1496                 adev->mode_info.audio.pin[i].channels = -1;
1497                 adev->mode_info.audio.pin[i].rate = -1;
1498                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1499                 adev->mode_info.audio.pin[i].status_bits = 0;
1500                 adev->mode_info.audio.pin[i].category_code = 0;
1501                 adev->mode_info.audio.pin[i].connected = false;
1502                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1503                 adev->mode_info.audio.pin[i].id = i;
1504                 /* disable audio.  it will be set up later */
1505                 /* XXX remove once we switch to ip funcs */
1506                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1507         }
1508
1509         return 0;
1510 }
1511
1512 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1513 {
1514         int i;
1515
1516         if (!amdgpu_audio)
1517                 return;
1518
1519         if (!adev->mode_info.audio.enabled)
1520                 return;
1521
1522         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1523                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1524
1525         adev->mode_info.audio.enabled = false;
1526 }
1527
1528 /*
1529  * update the N and CTS parameters for a given pixel clock rate
1530  */
1531 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1532 {
1533         struct drm_device *dev = encoder->dev;
1534         struct amdgpu_device *adev = drm_to_adev(dev);
1535         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1536         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1537         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1538         u32 tmp;
1539
1540         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1541         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1542         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1543         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1544         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1545         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1546
1547         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1548         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1549         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1550         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1551         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1552         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1553
1554         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1555         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1556         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1557         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1558         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1559         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1560
1561 }
1562
1563 /*
1564  * build a HDMI Video Info Frame
1565  */
1566 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1567                                                void *buffer, size_t size)
1568 {
1569         struct drm_device *dev = encoder->dev;
1570         struct amdgpu_device *adev = drm_to_adev(dev);
1571         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573         uint8_t *frame = buffer + 3;
1574         uint8_t *header = buffer;
1575
1576         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1577                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1578         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1579                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1580         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1581                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1582         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1583                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1584 }
1585
1586 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1587 {
1588         struct drm_device *dev = encoder->dev;
1589         struct amdgpu_device *adev = drm_to_adev(dev);
1590         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1591         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1592         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1593         u32 dto_phase = 24 * 1000;
1594         u32 dto_modulo = clock;
1595         u32 tmp;
1596
1597         if (!dig || !dig->afmt)
1598                 return;
1599
1600         /* XXX two dtos; generally use dto0 for hdmi */
1601         /* Express [24MHz / target pixel clock] as an exact rational
1602          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1603          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1604          */
1605         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1606         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1607                             amdgpu_crtc->crtc_id);
1608         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1609         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1610         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1611 }
1612
1613 /*
1614  * update the info frames with the data from the current display mode
1615  */
1616 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1617                                   struct drm_display_mode *mode)
1618 {
1619         struct drm_device *dev = encoder->dev;
1620         struct amdgpu_device *adev = drm_to_adev(dev);
1621         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1624         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1625         struct hdmi_avi_infoframe frame;
1626         ssize_t err;
1627         u32 tmp;
1628         int bpc = 8;
1629
1630         if (!dig || !dig->afmt)
1631                 return;
1632
1633         /* Silent, r600_hdmi_enable will raise WARN for us */
1634         if (!dig->afmt->enabled)
1635                 return;
1636
1637         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1638         if (encoder->crtc) {
1639                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1640                 bpc = amdgpu_crtc->bpc;
1641         }
1642
1643         /* disable audio prior to setting up hw */
1644         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1645         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1646
1647         dce_v11_0_audio_set_dto(encoder, mode->clock);
1648
1649         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1650         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1651         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1652
1653         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1654
1655         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1656         switch (bpc) {
1657         case 0:
1658         case 6:
1659         case 8:
1660         case 16:
1661         default:
1662                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1663                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1664                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1665                           connector->name, bpc);
1666                 break;
1667         case 10:
1668                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1670                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1671                           connector->name);
1672                 break;
1673         case 12:
1674                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1675                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1676                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1677                           connector->name);
1678                 break;
1679         }
1680         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1681
1682         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1683         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1684         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1685         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1686         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1687
1688         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1689         /* enable audio info frames (frames won't be set until audio is enabled) */
1690         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1691         /* required for audio info values to be updated */
1692         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1693         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1696         /* required for audio info values to be updated */
1697         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1698         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1699
1700         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1701         /* anything other than 0 */
1702         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1703         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1704
1705         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1706
1707         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708         /* set the default audio delay */
1709         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1710         /* should be suffient for all audio modes and small enough for all hblanks */
1711         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1712         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1715         /* allow 60958 channel status fields to be updated */
1716         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1717         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1718
1719         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1720         if (bpc > 8)
1721                 /* clear SW CTS value */
1722                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1723         else
1724                 /* select SW CTS value */
1725                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1726         /* allow hw to sent ACR packets when required */
1727         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1728         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1729
1730         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1731
1732         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1733         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1734         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1735
1736         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1737         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1738         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1739
1740         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1741         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1742         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1743         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1744         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1745         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1746         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1747         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1748
1749         dce_v11_0_audio_write_speaker_allocation(encoder);
1750
1751         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1752                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1753
1754         dce_v11_0_afmt_audio_select_pin(encoder);
1755         dce_v11_0_audio_write_sad_regs(encoder);
1756         dce_v11_0_audio_write_latency_fields(encoder, mode);
1757
1758         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1759         if (err < 0) {
1760                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1761                 return;
1762         }
1763
1764         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1765         if (err < 0) {
1766                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1767                 return;
1768         }
1769
1770         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1771
1772         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1773         /* enable AVI info frames */
1774         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1775         /* required for audio info values to be updated */
1776         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1777         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1778
1779         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1780         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1781         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1782
1783         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1784         /* send audio packets */
1785         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1786         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1787
1788         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1789         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1790         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1791         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1792
1793         /* enable audio after to setting up hw */
1794         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1795 }
1796
1797 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1798 {
1799         struct drm_device *dev = encoder->dev;
1800         struct amdgpu_device *adev = drm_to_adev(dev);
1801         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1802         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1803
1804         if (!dig || !dig->afmt)
1805                 return;
1806
1807         /* Silent, r600_hdmi_enable will raise WARN for us */
1808         if (enable && dig->afmt->enabled)
1809                 return;
1810         if (!enable && !dig->afmt->enabled)
1811                 return;
1812
1813         if (!enable && dig->afmt->pin) {
1814                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1815                 dig->afmt->pin = NULL;
1816         }
1817
1818         dig->afmt->enabled = enable;
1819
1820         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1821                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1822 }
1823
1824 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1825 {
1826         int i;
1827
1828         for (i = 0; i < adev->mode_info.num_dig; i++)
1829                 adev->mode_info.afmt[i] = NULL;
1830
1831         /* DCE11 has audio blocks tied to DIG encoders */
1832         for (i = 0; i < adev->mode_info.num_dig; i++) {
1833                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1834                 if (adev->mode_info.afmt[i]) {
1835                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1836                         adev->mode_info.afmt[i]->id = i;
1837                 } else {
1838                         int j;
1839                         for (j = 0; j < i; j++) {
1840                                 kfree(adev->mode_info.afmt[j]);
1841                                 adev->mode_info.afmt[j] = NULL;
1842                         }
1843                         return -ENOMEM;
1844                 }
1845         }
1846         return 0;
1847 }
1848
1849 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1850 {
1851         int i;
1852
1853         for (i = 0; i < adev->mode_info.num_dig; i++) {
1854                 kfree(adev->mode_info.afmt[i]);
1855                 adev->mode_info.afmt[i] = NULL;
1856         }
1857 }
1858
1859 static const u32 vga_control_regs[6] =
1860 {
1861         mmD1VGA_CONTROL,
1862         mmD2VGA_CONTROL,
1863         mmD3VGA_CONTROL,
1864         mmD4VGA_CONTROL,
1865         mmD5VGA_CONTROL,
1866         mmD6VGA_CONTROL,
1867 };
1868
1869 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1870 {
1871         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1872         struct drm_device *dev = crtc->dev;
1873         struct amdgpu_device *adev = drm_to_adev(dev);
1874         u32 vga_control;
1875
1876         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1877         if (enable)
1878                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1879         else
1880                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1881 }
1882
1883 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1884 {
1885         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1886         struct drm_device *dev = crtc->dev;
1887         struct amdgpu_device *adev = drm_to_adev(dev);
1888
1889         if (enable)
1890                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1891         else
1892                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1893 }
1894
1895 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1896                                      struct drm_framebuffer *fb,
1897                                      int x, int y, int atomic)
1898 {
1899         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1900         struct drm_device *dev = crtc->dev;
1901         struct amdgpu_device *adev = drm_to_adev(dev);
1902         struct drm_framebuffer *target_fb;
1903         struct drm_gem_object *obj;
1904         struct amdgpu_bo *abo;
1905         uint64_t fb_location, tiling_flags;
1906         uint32_t fb_format, fb_pitch_pixels;
1907         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1908         u32 pipe_config;
1909         u32 tmp, viewport_w, viewport_h;
1910         int r;
1911         bool bypass_lut = false;
1912
1913         /* no fb bound */
1914         if (!atomic && !crtc->primary->fb) {
1915                 DRM_DEBUG_KMS("No FB bound\n");
1916                 return 0;
1917         }
1918
1919         if (atomic)
1920                 target_fb = fb;
1921         else
1922                 target_fb = crtc->primary->fb;
1923
1924         /* If atomic, assume fb object is pinned & idle & fenced and
1925          * just update base pointers
1926          */
1927         obj = target_fb->obj[0];
1928         abo = gem_to_amdgpu_bo(obj);
1929         r = amdgpu_bo_reserve(abo, false);
1930         if (unlikely(r != 0))
1931                 return r;
1932
1933         if (!atomic) {
1934                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1935                 if (unlikely(r != 0)) {
1936                         amdgpu_bo_unreserve(abo);
1937                         return -EINVAL;
1938                 }
1939         }
1940         fb_location = amdgpu_bo_gpu_offset(abo);
1941
1942         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1943         amdgpu_bo_unreserve(abo);
1944
1945         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1946
1947         switch (target_fb->format->format) {
1948         case DRM_FORMAT_C8:
1949                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1950                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1951                 break;
1952         case DRM_FORMAT_XRGB4444:
1953         case DRM_FORMAT_ARGB4444:
1954                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1955                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1956 #ifdef __BIG_ENDIAN
1957                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1958                                         ENDIAN_8IN16);
1959 #endif
1960                 break;
1961         case DRM_FORMAT_XRGB1555:
1962         case DRM_FORMAT_ARGB1555:
1963                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1964                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1965 #ifdef __BIG_ENDIAN
1966                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1967                                         ENDIAN_8IN16);
1968 #endif
1969                 break;
1970         case DRM_FORMAT_BGRX5551:
1971         case DRM_FORMAT_BGRA5551:
1972                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1973                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1974 #ifdef __BIG_ENDIAN
1975                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1976                                         ENDIAN_8IN16);
1977 #endif
1978                 break;
1979         case DRM_FORMAT_RGB565:
1980                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1981                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1982 #ifdef __BIG_ENDIAN
1983                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1984                                         ENDIAN_8IN16);
1985 #endif
1986                 break;
1987         case DRM_FORMAT_XRGB8888:
1988         case DRM_FORMAT_ARGB8888:
1989                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1990                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1991 #ifdef __BIG_ENDIAN
1992                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1993                                         ENDIAN_8IN32);
1994 #endif
1995                 break;
1996         case DRM_FORMAT_XRGB2101010:
1997         case DRM_FORMAT_ARGB2101010:
1998                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1999                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2000 #ifdef __BIG_ENDIAN
2001                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2002                                         ENDIAN_8IN32);
2003 #endif
2004                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2005                 bypass_lut = true;
2006                 break;
2007         case DRM_FORMAT_BGRX1010102:
2008         case DRM_FORMAT_BGRA1010102:
2009                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2010                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2011 #ifdef __BIG_ENDIAN
2012                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2013                                         ENDIAN_8IN32);
2014 #endif
2015                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2016                 bypass_lut = true;
2017                 break;
2018         case DRM_FORMAT_XBGR8888:
2019         case DRM_FORMAT_ABGR8888:
2020                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2021                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2022                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2023                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2024 #ifdef __BIG_ENDIAN
2025                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2026                                         ENDIAN_8IN32);
2027 #endif
2028                 break;
2029         default:
2030                 DRM_ERROR("Unsupported screen format %p4cc\n",
2031                           &target_fb->format->format);
2032                 return -EINVAL;
2033         }
2034
2035         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2036                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2037
2038                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2039                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2040                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2041                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2042                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2043
2044                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2045                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2046                                           ARRAY_2D_TILED_THIN1);
2047                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2048                                           tile_split);
2049                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2050                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2051                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2052                                           mtaspect);
2053                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2054                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2055         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2056                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2057                                           ARRAY_1D_TILED_THIN1);
2058         }
2059
2060         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2061                                   pipe_config);
2062
2063         dce_v11_0_vga_enable(crtc, false);
2064
2065         /* Make sure surface address is updated at vertical blank rather than
2066          * horizontal blank
2067          */
2068         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2069         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2070                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2071         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2072
2073         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2074                upper_32_bits(fb_location));
2075         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2076                upper_32_bits(fb_location));
2077         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2078                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2079         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2080                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2081         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2082         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2083
2084         /*
2085          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2086          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2087          * retain the full precision throughout the pipeline.
2088          */
2089         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2090         if (bypass_lut)
2091                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2092         else
2093                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2094         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2095
2096         if (bypass_lut)
2097                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2098
2099         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2100         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2101         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2102         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2103         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2104         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2105
2106         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2107         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2108
2109         dce_v11_0_grph_enable(crtc, true);
2110
2111         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2112                target_fb->height);
2113
2114         x &= ~3;
2115         y &= ~1;
2116         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2117                (x << 16) | y);
2118         viewport_w = crtc->mode.hdisplay;
2119         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2120         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2121                (viewport_w << 16) | viewport_h);
2122
2123         /* set pageflip to happen anywhere in vblank interval */
2124         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2125
2126         if (!atomic && fb && fb != crtc->primary->fb) {
2127                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2128                 r = amdgpu_bo_reserve(abo, true);
2129                 if (unlikely(r != 0))
2130                         return r;
2131                 amdgpu_bo_unpin(abo);
2132                 amdgpu_bo_unreserve(abo);
2133         }
2134
2135         /* Bytes per pixel may have changed */
2136         dce_v11_0_bandwidth_update(adev);
2137
2138         return 0;
2139 }
2140
2141 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2142                                      struct drm_display_mode *mode)
2143 {
2144         struct drm_device *dev = crtc->dev;
2145         struct amdgpu_device *adev = drm_to_adev(dev);
2146         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2147         u32 tmp;
2148
2149         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2150         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2151                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2152         else
2153                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2154         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2155 }
2156
2157 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2158 {
2159         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2160         struct drm_device *dev = crtc->dev;
2161         struct amdgpu_device *adev = drm_to_adev(dev);
2162         u16 *r, *g, *b;
2163         int i;
2164         u32 tmp;
2165
2166         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2167
2168         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2169         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2170         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171
2172         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2173         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2174         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2177         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2178         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2179
2180         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2181
2182         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2183         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2184         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2185
2186         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2187         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2188         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2189
2190         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2191         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2192
2193         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2194         r = crtc->gamma_store;
2195         g = r + crtc->gamma_size;
2196         b = g + crtc->gamma_size;
2197         for (i = 0; i < 256; i++) {
2198                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2199                        ((*r++ & 0xffc0) << 14) |
2200                        ((*g++ & 0xffc0) << 4) |
2201                        (*b++ >> 6));
2202         }
2203
2204         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2205         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2206         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2207         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2208         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2209
2210         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2211         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2212         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2213
2214         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2215         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2216         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2217
2218         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2219         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2220         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2221
2222         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2223         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2224         /* XXX this only needs to be programmed once per crtc at startup,
2225          * not sure where the best place for it is
2226          */
2227         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2228         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2229         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2230 }
2231
2232 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2233 {
2234         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2235         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2236
2237         switch (amdgpu_encoder->encoder_id) {
2238         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2239                 if (dig->linkb)
2240                         return 1;
2241                 else
2242                         return 0;
2243         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2244                 if (dig->linkb)
2245                         return 3;
2246                 else
2247                         return 2;
2248         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2249                 if (dig->linkb)
2250                         return 5;
2251                 else
2252                         return 4;
2253         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2254                 return 6;
2255         default:
2256                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2257                 return 0;
2258         }
2259 }
2260
2261 /**
2262  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2263  *
2264  * @crtc: drm crtc
2265  *
2266  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2267  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2268  * monitors a dedicated PPLL must be used.  If a particular board has
2269  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2270  * as there is no need to program the PLL itself.  If we are not able to
2271  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2272  * avoid messing up an existing monitor.
2273  *
2274  * Asic specific PLL information
2275  *
2276  * DCE 10.x
2277  * Tonga
2278  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2279  * CI
2280  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2281  *
2282  */
2283 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2284 {
2285         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286         struct drm_device *dev = crtc->dev;
2287         struct amdgpu_device *adev = drm_to_adev(dev);
2288         u32 pll_in_use;
2289         int pll;
2290
2291         if ((adev->asic_type == CHIP_POLARIS10) ||
2292             (adev->asic_type == CHIP_POLARIS11) ||
2293             (adev->asic_type == CHIP_POLARIS12) ||
2294             (adev->asic_type == CHIP_VEGAM)) {
2295                 struct amdgpu_encoder *amdgpu_encoder =
2296                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2297                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2298
2299                 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2300                         return ATOM_DP_DTO;
2301
2302                 switch (amdgpu_encoder->encoder_id) {
2303                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2304                         if (dig->linkb)
2305                                 return ATOM_COMBOPHY_PLL1;
2306                         else
2307                                 return ATOM_COMBOPHY_PLL0;
2308                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309                         if (dig->linkb)
2310                                 return ATOM_COMBOPHY_PLL3;
2311                         else
2312                                 return ATOM_COMBOPHY_PLL2;
2313                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2314                         if (dig->linkb)
2315                                 return ATOM_COMBOPHY_PLL5;
2316                         else
2317                                 return ATOM_COMBOPHY_PLL4;
2318                 default:
2319                         DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2320                         return ATOM_PPLL_INVALID;
2321                 }
2322         }
2323
2324         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2325                 if (adev->clock.dp_extclk)
2326                         /* skip PPLL programming if using ext clock */
2327                         return ATOM_PPLL_INVALID;
2328                 else {
2329                         /* use the same PPLL for all DP monitors */
2330                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2331                         if (pll != ATOM_PPLL_INVALID)
2332                                 return pll;
2333                 }
2334         } else {
2335                 /* use the same PPLL for all monitors with the same clock */
2336                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2337                 if (pll != ATOM_PPLL_INVALID)
2338                         return pll;
2339         }
2340
2341         /* XXX need to determine what plls are available on each DCE11 part */
2342         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2343         if (adev->flags & AMD_IS_APU) {
2344                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2345                         return ATOM_PPLL1;
2346                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2347                         return ATOM_PPLL0;
2348                 DRM_ERROR("unable to allocate a PPLL\n");
2349                 return ATOM_PPLL_INVALID;
2350         } else {
2351                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2352                         return ATOM_PPLL2;
2353                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2354                         return ATOM_PPLL1;
2355                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2356                         return ATOM_PPLL0;
2357                 DRM_ERROR("unable to allocate a PPLL\n");
2358                 return ATOM_PPLL_INVALID;
2359         }
2360         return ATOM_PPLL_INVALID;
2361 }
2362
2363 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2364 {
2365         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2366         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2367         uint32_t cur_lock;
2368
2369         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2370         if (lock)
2371                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2372         else
2373                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2374         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2375 }
2376
2377 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2378 {
2379         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2380         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2381         u32 tmp;
2382
2383         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2384         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2385         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2386 }
2387
2388 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2389 {
2390         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2391         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2392         u32 tmp;
2393
2394         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2395                upper_32_bits(amdgpu_crtc->cursor_addr));
2396         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2397                lower_32_bits(amdgpu_crtc->cursor_addr));
2398
2399         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2400         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2401         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2402         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2403 }
2404
2405 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2406                                         int x, int y)
2407 {
2408         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2409         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2410         int xorigin = 0, yorigin = 0;
2411
2412         amdgpu_crtc->cursor_x = x;
2413         amdgpu_crtc->cursor_y = y;
2414
2415         /* avivo cursor are offset into the total surface */
2416         x += crtc->x;
2417         y += crtc->y;
2418         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2419
2420         if (x < 0) {
2421                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2422                 x = 0;
2423         }
2424         if (y < 0) {
2425                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2426                 y = 0;
2427         }
2428
2429         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2430         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2431         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2432                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2433
2434         return 0;
2435 }
2436
2437 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2438                                       int x, int y)
2439 {
2440         int ret;
2441
2442         dce_v11_0_lock_cursor(crtc, true);
2443         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2444         dce_v11_0_lock_cursor(crtc, false);
2445
2446         return ret;
2447 }
2448
2449 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2450                                       struct drm_file *file_priv,
2451                                       uint32_t handle,
2452                                       uint32_t width,
2453                                       uint32_t height,
2454                                       int32_t hot_x,
2455                                       int32_t hot_y)
2456 {
2457         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2458         struct drm_gem_object *obj;
2459         struct amdgpu_bo *aobj;
2460         int ret;
2461
2462         if (!handle) {
2463                 /* turn off cursor */
2464                 dce_v11_0_hide_cursor(crtc);
2465                 obj = NULL;
2466                 goto unpin;
2467         }
2468
2469         if ((width > amdgpu_crtc->max_cursor_width) ||
2470             (height > amdgpu_crtc->max_cursor_height)) {
2471                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2472                 return -EINVAL;
2473         }
2474
2475         obj = drm_gem_object_lookup(file_priv, handle);
2476         if (!obj) {
2477                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2478                 return -ENOENT;
2479         }
2480
2481         aobj = gem_to_amdgpu_bo(obj);
2482         ret = amdgpu_bo_reserve(aobj, false);
2483         if (ret != 0) {
2484                 drm_gem_object_put(obj);
2485                 return ret;
2486         }
2487
2488         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2489         amdgpu_bo_unreserve(aobj);
2490         if (ret) {
2491                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2492                 drm_gem_object_put(obj);
2493                 return ret;
2494         }
2495         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2496
2497         dce_v11_0_lock_cursor(crtc, true);
2498
2499         if (width != amdgpu_crtc->cursor_width ||
2500             height != amdgpu_crtc->cursor_height ||
2501             hot_x != amdgpu_crtc->cursor_hot_x ||
2502             hot_y != amdgpu_crtc->cursor_hot_y) {
2503                 int x, y;
2504
2505                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2506                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2507
2508                 dce_v11_0_cursor_move_locked(crtc, x, y);
2509
2510                 amdgpu_crtc->cursor_width = width;
2511                 amdgpu_crtc->cursor_height = height;
2512                 amdgpu_crtc->cursor_hot_x = hot_x;
2513                 amdgpu_crtc->cursor_hot_y = hot_y;
2514         }
2515
2516         dce_v11_0_show_cursor(crtc);
2517         dce_v11_0_lock_cursor(crtc, false);
2518
2519 unpin:
2520         if (amdgpu_crtc->cursor_bo) {
2521                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2522                 ret = amdgpu_bo_reserve(aobj, true);
2523                 if (likely(ret == 0)) {
2524                         amdgpu_bo_unpin(aobj);
2525                         amdgpu_bo_unreserve(aobj);
2526                 }
2527                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2528         }
2529
2530         amdgpu_crtc->cursor_bo = obj;
2531         return 0;
2532 }
2533
2534 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2535 {
2536         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2537
2538         if (amdgpu_crtc->cursor_bo) {
2539                 dce_v11_0_lock_cursor(crtc, true);
2540
2541                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2542                                              amdgpu_crtc->cursor_y);
2543
2544                 dce_v11_0_show_cursor(crtc);
2545
2546                 dce_v11_0_lock_cursor(crtc, false);
2547         }
2548 }
2549
2550 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2551                                     u16 *blue, uint32_t size,
2552                                     struct drm_modeset_acquire_ctx *ctx)
2553 {
2554         dce_v11_0_crtc_load_lut(crtc);
2555
2556         return 0;
2557 }
2558
2559 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2560 {
2561         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2562
2563         drm_crtc_cleanup(crtc);
2564         kfree(amdgpu_crtc);
2565 }
2566
2567 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2568         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2569         .cursor_move = dce_v11_0_crtc_cursor_move,
2570         .gamma_set = dce_v11_0_crtc_gamma_set,
2571         .set_config = amdgpu_display_crtc_set_config,
2572         .destroy = dce_v11_0_crtc_destroy,
2573         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2574         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2575         .enable_vblank = amdgpu_enable_vblank_kms,
2576         .disable_vblank = amdgpu_disable_vblank_kms,
2577         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2578 };
2579
2580 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2581 {
2582         struct drm_device *dev = crtc->dev;
2583         struct amdgpu_device *adev = drm_to_adev(dev);
2584         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2585         unsigned type;
2586
2587         switch (mode) {
2588         case DRM_MODE_DPMS_ON:
2589                 amdgpu_crtc->enabled = true;
2590                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2591                 dce_v11_0_vga_enable(crtc, true);
2592                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2593                 dce_v11_0_vga_enable(crtc, false);
2594                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2595                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2596                                                 amdgpu_crtc->crtc_id);
2597                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2598                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2599                 drm_crtc_vblank_on(crtc);
2600                 dce_v11_0_crtc_load_lut(crtc);
2601                 break;
2602         case DRM_MODE_DPMS_STANDBY:
2603         case DRM_MODE_DPMS_SUSPEND:
2604         case DRM_MODE_DPMS_OFF:
2605                 drm_crtc_vblank_off(crtc);
2606                 if (amdgpu_crtc->enabled) {
2607                         dce_v11_0_vga_enable(crtc, true);
2608                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2609                         dce_v11_0_vga_enable(crtc, false);
2610                 }
2611                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2612                 amdgpu_crtc->enabled = false;
2613                 break;
2614         }
2615         /* adjust pm to dpms */
2616         amdgpu_dpm_compute_clocks(adev);
2617 }
2618
2619 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2620 {
2621         /* disable crtc pair power gating before programming */
2622         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2623         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2624         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2625 }
2626
2627 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2628 {
2629         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2630         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2631 }
2632
2633 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2634 {
2635         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2636         struct drm_device *dev = crtc->dev;
2637         struct amdgpu_device *adev = drm_to_adev(dev);
2638         struct amdgpu_atom_ss ss;
2639         int i;
2640
2641         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2642         if (crtc->primary->fb) {
2643                 int r;
2644                 struct amdgpu_bo *abo;
2645
2646                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2647                 r = amdgpu_bo_reserve(abo, true);
2648                 if (unlikely(r))
2649                         DRM_ERROR("failed to reserve abo before unpin\n");
2650                 else {
2651                         amdgpu_bo_unpin(abo);
2652                         amdgpu_bo_unreserve(abo);
2653                 }
2654         }
2655         /* disable the GRPH */
2656         dce_v11_0_grph_enable(crtc, false);
2657
2658         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2659
2660         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2661                 if (adev->mode_info.crtcs[i] &&
2662                     adev->mode_info.crtcs[i]->enabled &&
2663                     i != amdgpu_crtc->crtc_id &&
2664                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2665                         /* one other crtc is using this pll don't turn
2666                          * off the pll
2667                          */
2668                         goto done;
2669                 }
2670         }
2671
2672         switch (amdgpu_crtc->pll_id) {
2673         case ATOM_PPLL0:
2674         case ATOM_PPLL1:
2675         case ATOM_PPLL2:
2676                 /* disable the ppll */
2677                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2678                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2679                 break;
2680         case ATOM_COMBOPHY_PLL0:
2681         case ATOM_COMBOPHY_PLL1:
2682         case ATOM_COMBOPHY_PLL2:
2683         case ATOM_COMBOPHY_PLL3:
2684         case ATOM_COMBOPHY_PLL4:
2685         case ATOM_COMBOPHY_PLL5:
2686                 /* disable the ppll */
2687                 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2688                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2689                 break;
2690         default:
2691                 break;
2692         }
2693 done:
2694         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2695         amdgpu_crtc->adjusted_clock = 0;
2696         amdgpu_crtc->encoder = NULL;
2697         amdgpu_crtc->connector = NULL;
2698 }
2699
2700 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2701                                   struct drm_display_mode *mode,
2702                                   struct drm_display_mode *adjusted_mode,
2703                                   int x, int y, struct drm_framebuffer *old_fb)
2704 {
2705         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2706         struct drm_device *dev = crtc->dev;
2707         struct amdgpu_device *adev = drm_to_adev(dev);
2708
2709         if (!amdgpu_crtc->adjusted_clock)
2710                 return -EINVAL;
2711
2712         if ((adev->asic_type == CHIP_POLARIS10) ||
2713             (adev->asic_type == CHIP_POLARIS11) ||
2714             (adev->asic_type == CHIP_POLARIS12) ||
2715             (adev->asic_type == CHIP_VEGAM)) {
2716                 struct amdgpu_encoder *amdgpu_encoder =
2717                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2718                 int encoder_mode =
2719                         amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2720
2721                 /* SetPixelClock calculates the plls and ss values now */
2722                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2723                                                  amdgpu_crtc->pll_id,
2724                                                  encoder_mode, amdgpu_encoder->encoder_id,
2725                                                  adjusted_mode->clock, 0, 0, 0, 0,
2726                                                  amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2727         } else {
2728                 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2729         }
2730         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2731         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2732         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2733         amdgpu_atombios_crtc_scaler_setup(crtc);
2734         dce_v11_0_cursor_reset(crtc);
2735         /* update the hw version fpr dpm */
2736         amdgpu_crtc->hw_mode = *adjusted_mode;
2737
2738         return 0;
2739 }
2740
2741 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2742                                      const struct drm_display_mode *mode,
2743                                      struct drm_display_mode *adjusted_mode)
2744 {
2745         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2746         struct drm_device *dev = crtc->dev;
2747         struct drm_encoder *encoder;
2748
2749         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2750         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2751                 if (encoder->crtc == crtc) {
2752                         amdgpu_crtc->encoder = encoder;
2753                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2754                         break;
2755                 }
2756         }
2757         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2758                 amdgpu_crtc->encoder = NULL;
2759                 amdgpu_crtc->connector = NULL;
2760                 return false;
2761         }
2762         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2763                 return false;
2764         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2765                 return false;
2766         /* pick pll */
2767         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2768         /* if we can't get a PPLL for a non-DP encoder, fail */
2769         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2770             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2771                 return false;
2772
2773         return true;
2774 }
2775
2776 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2777                                   struct drm_framebuffer *old_fb)
2778 {
2779         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2780 }
2781
2782 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2783                                          struct drm_framebuffer *fb,
2784                                          int x, int y, enum mode_set_atomic state)
2785 {
2786         return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2787 }
2788
2789 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2790         .dpms = dce_v11_0_crtc_dpms,
2791         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2792         .mode_set = dce_v11_0_crtc_mode_set,
2793         .mode_set_base = dce_v11_0_crtc_set_base,
2794         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2795         .prepare = dce_v11_0_crtc_prepare,
2796         .commit = dce_v11_0_crtc_commit,
2797         .disable = dce_v11_0_crtc_disable,
2798         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2799 };
2800
2801 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2802 {
2803         struct amdgpu_crtc *amdgpu_crtc;
2804
2805         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2806                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2807         if (amdgpu_crtc == NULL)
2808                 return -ENOMEM;
2809
2810         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2811
2812         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2813         amdgpu_crtc->crtc_id = index;
2814         adev->mode_info.crtcs[index] = amdgpu_crtc;
2815
2816         amdgpu_crtc->max_cursor_width = 128;
2817         amdgpu_crtc->max_cursor_height = 128;
2818         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2819         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2820
2821         switch (amdgpu_crtc->crtc_id) {
2822         case 0:
2823         default:
2824                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2825                 break;
2826         case 1:
2827                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2828                 break;
2829         case 2:
2830                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2831                 break;
2832         case 3:
2833                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2834                 break;
2835         case 4:
2836                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2837                 break;
2838         case 5:
2839                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2840                 break;
2841         }
2842
2843         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2844         amdgpu_crtc->adjusted_clock = 0;
2845         amdgpu_crtc->encoder = NULL;
2846         amdgpu_crtc->connector = NULL;
2847         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2848
2849         return 0;
2850 }
2851
2852 static int dce_v11_0_early_init(void *handle)
2853 {
2854         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2855
2856         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2857         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2858
2859         dce_v11_0_set_display_funcs(adev);
2860
2861         adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2862
2863         switch (adev->asic_type) {
2864         case CHIP_CARRIZO:
2865                 adev->mode_info.num_hpd = 6;
2866                 adev->mode_info.num_dig = 9;
2867                 break;
2868         case CHIP_STONEY:
2869                 adev->mode_info.num_hpd = 6;
2870                 adev->mode_info.num_dig = 9;
2871                 break;
2872         case CHIP_POLARIS10:
2873         case CHIP_VEGAM:
2874                 adev->mode_info.num_hpd = 6;
2875                 adev->mode_info.num_dig = 6;
2876                 break;
2877         case CHIP_POLARIS11:
2878         case CHIP_POLARIS12:
2879                 adev->mode_info.num_hpd = 5;
2880                 adev->mode_info.num_dig = 5;
2881                 break;
2882         default:
2883                 /* FIXME: not supported yet */
2884                 return -EINVAL;
2885         }
2886
2887         dce_v11_0_set_irq_funcs(adev);
2888
2889         return 0;
2890 }
2891
2892 static int dce_v11_0_sw_init(void *handle)
2893 {
2894         int r, i;
2895         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2896
2897         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2898                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2899                 if (r)
2900                         return r;
2901         }
2902
2903         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2904                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2905                 if (r)
2906                         return r;
2907         }
2908
2909         /* HPD hotplug */
2910         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2911         if (r)
2912                 return r;
2913
2914         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2915
2916         adev_to_drm(adev)->mode_config.async_page_flip = true;
2917
2918         adev_to_drm(adev)->mode_config.max_width = 16384;
2919         adev_to_drm(adev)->mode_config.max_height = 16384;
2920
2921         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2922         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2923
2924         adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2925
2926         r = amdgpu_display_modeset_create_props(adev);
2927         if (r)
2928                 return r;
2929
2930         adev_to_drm(adev)->mode_config.max_width = 16384;
2931         adev_to_drm(adev)->mode_config.max_height = 16384;
2932
2933
2934         /* allocate crtcs */
2935         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2936                 r = dce_v11_0_crtc_init(adev, i);
2937                 if (r)
2938                         return r;
2939         }
2940
2941         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2942                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2943         else
2944                 return -EINVAL;
2945
2946         /* setup afmt */
2947         r = dce_v11_0_afmt_init(adev);
2948         if (r)
2949                 return r;
2950
2951         r = dce_v11_0_audio_init(adev);
2952         if (r)
2953                 return r;
2954
2955         /* Disable vblank IRQs aggressively for power-saving */
2956         /* XXX: can this be enabled for DC? */
2957         adev_to_drm(adev)->vblank_disable_immediate = true;
2958
2959         r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2960         if (r)
2961                 return r;
2962
2963         INIT_DELAYED_WORK(&adev->hotplug_work,
2964                   amdgpu_display_hotplug_work_func);
2965
2966         drm_kms_helper_poll_init(adev_to_drm(adev));
2967
2968         adev->mode_info.mode_config_initialized = true;
2969         return 0;
2970 }
2971
2972 static int dce_v11_0_sw_fini(void *handle)
2973 {
2974         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2975
2976         kfree(adev->mode_info.bios_hardcoded_edid);
2977
2978         drm_kms_helper_poll_fini(adev_to_drm(adev));
2979
2980         dce_v11_0_audio_fini(adev);
2981
2982         dce_v11_0_afmt_fini(adev);
2983
2984         drm_mode_config_cleanup(adev_to_drm(adev));
2985         adev->mode_info.mode_config_initialized = false;
2986
2987         return 0;
2988 }
2989
2990 static int dce_v11_0_hw_init(void *handle)
2991 {
2992         int i;
2993         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2994
2995         dce_v11_0_init_golden_registers(adev);
2996
2997         /* disable vga render */
2998         dce_v11_0_set_vga_render_state(adev, false);
2999         /* init dig PHYs, disp eng pll */
3000         amdgpu_atombios_crtc_powergate_init(adev);
3001         amdgpu_atombios_encoder_init_dig(adev);
3002         if ((adev->asic_type == CHIP_POLARIS10) ||
3003             (adev->asic_type == CHIP_POLARIS11) ||
3004             (adev->asic_type == CHIP_POLARIS12) ||
3005             (adev->asic_type == CHIP_VEGAM)) {
3006                 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3007                                                    DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3008                 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3009                                                    DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3010         } else {
3011                 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3012         }
3013
3014         /* initialize hpd */
3015         dce_v11_0_hpd_init(adev);
3016
3017         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3018                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3019         }
3020
3021         dce_v11_0_pageflip_interrupt_init(adev);
3022
3023         return 0;
3024 }
3025
3026 static int dce_v11_0_hw_fini(void *handle)
3027 {
3028         int i;
3029         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3030
3031         dce_v11_0_hpd_fini(adev);
3032
3033         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3034                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3035         }
3036
3037         dce_v11_0_pageflip_interrupt_fini(adev);
3038
3039         flush_delayed_work(&adev->hotplug_work);
3040
3041         return 0;
3042 }
3043
3044 static int dce_v11_0_suspend(void *handle)
3045 {
3046         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3047         int r;
3048
3049         r = amdgpu_display_suspend_helper(adev);
3050         if (r)
3051                 return r;
3052
3053         adev->mode_info.bl_level =
3054                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3055
3056         return dce_v11_0_hw_fini(handle);
3057 }
3058
3059 static int dce_v11_0_resume(void *handle)
3060 {
3061         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3062         int ret;
3063
3064         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3065                                                            adev->mode_info.bl_level);
3066
3067         ret = dce_v11_0_hw_init(handle);
3068
3069         /* turn on the BL */
3070         if (adev->mode_info.bl_encoder) {
3071                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3072                                                                   adev->mode_info.bl_encoder);
3073                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3074                                                     bl_level);
3075         }
3076         if (ret)
3077                 return ret;
3078
3079         return amdgpu_display_resume_helper(adev);
3080 }
3081
3082 static bool dce_v11_0_is_idle(void *handle)
3083 {
3084         return true;
3085 }
3086
3087 static int dce_v11_0_wait_for_idle(void *handle)
3088 {
3089         return 0;
3090 }
3091
3092 static int dce_v11_0_soft_reset(void *handle)
3093 {
3094         u32 srbm_soft_reset = 0, tmp;
3095         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3096
3097         if (dce_v11_0_is_display_hung(adev))
3098                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3099
3100         if (srbm_soft_reset) {
3101                 tmp = RREG32(mmSRBM_SOFT_RESET);
3102                 tmp |= srbm_soft_reset;
3103                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3104                 WREG32(mmSRBM_SOFT_RESET, tmp);
3105                 tmp = RREG32(mmSRBM_SOFT_RESET);
3106
3107                 udelay(50);
3108
3109                 tmp &= ~srbm_soft_reset;
3110                 WREG32(mmSRBM_SOFT_RESET, tmp);
3111                 tmp = RREG32(mmSRBM_SOFT_RESET);
3112
3113                 /* Wait a little for things to settle down */
3114                 udelay(50);
3115         }
3116         return 0;
3117 }
3118
3119 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3120                                                      int crtc,
3121                                                      enum amdgpu_interrupt_state state)
3122 {
3123         u32 lb_interrupt_mask;
3124
3125         if (crtc >= adev->mode_info.num_crtc) {
3126                 DRM_DEBUG("invalid crtc %d\n", crtc);
3127                 return;
3128         }
3129
3130         switch (state) {
3131         case AMDGPU_IRQ_STATE_DISABLE:
3132                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3133                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3134                                                   VBLANK_INTERRUPT_MASK, 0);
3135                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3136                 break;
3137         case AMDGPU_IRQ_STATE_ENABLE:
3138                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3139                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3140                                                   VBLANK_INTERRUPT_MASK, 1);
3141                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3142                 break;
3143         default:
3144                 break;
3145         }
3146 }
3147
3148 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3149                                                     int crtc,
3150                                                     enum amdgpu_interrupt_state state)
3151 {
3152         u32 lb_interrupt_mask;
3153
3154         if (crtc >= adev->mode_info.num_crtc) {
3155                 DRM_DEBUG("invalid crtc %d\n", crtc);
3156                 return;
3157         }
3158
3159         switch (state) {
3160         case AMDGPU_IRQ_STATE_DISABLE:
3161                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3162                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3163                                                   VLINE_INTERRUPT_MASK, 0);
3164                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3165                 break;
3166         case AMDGPU_IRQ_STATE_ENABLE:
3167                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3168                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3169                                                   VLINE_INTERRUPT_MASK, 1);
3170                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3171                 break;
3172         default:
3173                 break;
3174         }
3175 }
3176
3177 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3178                                         struct amdgpu_irq_src *source,
3179                                         unsigned hpd,
3180                                         enum amdgpu_interrupt_state state)
3181 {
3182         u32 tmp;
3183
3184         if (hpd >= adev->mode_info.num_hpd) {
3185                 DRM_DEBUG("invalid hdp %d\n", hpd);
3186                 return 0;
3187         }
3188
3189         switch (state) {
3190         case AMDGPU_IRQ_STATE_DISABLE:
3191                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3192                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3193                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3194                 break;
3195         case AMDGPU_IRQ_STATE_ENABLE:
3196                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3197                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3198                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3199                 break;
3200         default:
3201                 break;
3202         }
3203
3204         return 0;
3205 }
3206
3207 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3208                                         struct amdgpu_irq_src *source,
3209                                         unsigned type,
3210                                         enum amdgpu_interrupt_state state)
3211 {
3212         switch (type) {
3213         case AMDGPU_CRTC_IRQ_VBLANK1:
3214                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3215                 break;
3216         case AMDGPU_CRTC_IRQ_VBLANK2:
3217                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3218                 break;
3219         case AMDGPU_CRTC_IRQ_VBLANK3:
3220                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3221                 break;
3222         case AMDGPU_CRTC_IRQ_VBLANK4:
3223                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3224                 break;
3225         case AMDGPU_CRTC_IRQ_VBLANK5:
3226                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3227                 break;
3228         case AMDGPU_CRTC_IRQ_VBLANK6:
3229                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3230                 break;
3231         case AMDGPU_CRTC_IRQ_VLINE1:
3232                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3233                 break;
3234         case AMDGPU_CRTC_IRQ_VLINE2:
3235                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3236                 break;
3237         case AMDGPU_CRTC_IRQ_VLINE3:
3238                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3239                 break;
3240         case AMDGPU_CRTC_IRQ_VLINE4:
3241                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3242                 break;
3243         case AMDGPU_CRTC_IRQ_VLINE5:
3244                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3245                 break;
3246          case AMDGPU_CRTC_IRQ_VLINE6:
3247                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3248                 break;
3249         default:
3250                 break;
3251         }
3252         return 0;
3253 }
3254
3255 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3256                                             struct amdgpu_irq_src *src,
3257                                             unsigned type,
3258                                             enum amdgpu_interrupt_state state)
3259 {
3260         u32 reg;
3261
3262         if (type >= adev->mode_info.num_crtc) {
3263                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3264                 return -EINVAL;
3265         }
3266
3267         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3268         if (state == AMDGPU_IRQ_STATE_DISABLE)
3269                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3270                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3271         else
3272                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3273                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3274
3275         return 0;
3276 }
3277
3278 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3279                                   struct amdgpu_irq_src *source,
3280                                   struct amdgpu_iv_entry *entry)
3281 {
3282         unsigned long flags;
3283         unsigned crtc_id;
3284         struct amdgpu_crtc *amdgpu_crtc;
3285         struct amdgpu_flip_work *works;
3286
3287         crtc_id = (entry->src_id - 8) >> 1;
3288         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3289
3290         if (crtc_id >= adev->mode_info.num_crtc) {
3291                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3292                 return -EINVAL;
3293         }
3294
3295         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3296             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3297                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3298                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3299
3300         /* IRQ could occur when in initial stage */
3301         if(amdgpu_crtc == NULL)
3302                 return 0;
3303
3304         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3305         works = amdgpu_crtc->pflip_works;
3306         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3307                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3308                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3309                                                  amdgpu_crtc->pflip_status,
3310                                                  AMDGPU_FLIP_SUBMITTED);
3311                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3312                 return 0;
3313         }
3314
3315         /* page flip completed. clean up */
3316         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3317         amdgpu_crtc->pflip_works = NULL;
3318
3319         /* wakeup usersapce */
3320         if(works->event)
3321                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3322
3323         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3324
3325         drm_crtc_vblank_put(&amdgpu_crtc->base);
3326         schedule_work(&works->unpin_work);
3327
3328         return 0;
3329 }
3330
3331 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3332                                   int hpd)
3333 {
3334         u32 tmp;
3335
3336         if (hpd >= adev->mode_info.num_hpd) {
3337                 DRM_DEBUG("invalid hdp %d\n", hpd);
3338                 return;
3339         }
3340
3341         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3342         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3343         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3344 }
3345
3346 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3347                                           int crtc)
3348 {
3349         u32 tmp;
3350
3351         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3352                 DRM_DEBUG("invalid crtc %d\n", crtc);
3353                 return;
3354         }
3355
3356         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3357         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3358         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3359 }
3360
3361 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3362                                          int crtc)
3363 {
3364         u32 tmp;
3365
3366         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3367                 DRM_DEBUG("invalid crtc %d\n", crtc);
3368                 return;
3369         }
3370
3371         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3372         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3373         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3374 }
3375
3376 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3377                                 struct amdgpu_irq_src *source,
3378                                 struct amdgpu_iv_entry *entry)
3379 {
3380         unsigned crtc = entry->src_id - 1;
3381         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3382         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3383                                                                     crtc);
3384
3385         switch (entry->src_data[0]) {
3386         case 0: /* vblank */
3387                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3388                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3389                 else
3390                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3391
3392                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3393                         drm_handle_vblank(adev_to_drm(adev), crtc);
3394                 }
3395                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3396
3397                 break;
3398         case 1: /* vline */
3399                 if (disp_int & interrupt_status_offsets[crtc].vline)
3400                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3401                 else
3402                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3403
3404                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3405
3406                 break;
3407         default:
3408                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3409                 break;
3410         }
3411
3412         return 0;
3413 }
3414
3415 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3416                              struct amdgpu_irq_src *source,
3417                              struct amdgpu_iv_entry *entry)
3418 {
3419         uint32_t disp_int, mask;
3420         unsigned hpd;
3421
3422         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3423                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3424                 return 0;
3425         }
3426
3427         hpd = entry->src_data[0];
3428         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3429         mask = interrupt_status_offsets[hpd].hpd;
3430
3431         if (disp_int & mask) {
3432                 dce_v11_0_hpd_int_ack(adev, hpd);
3433                 schedule_delayed_work(&adev->hotplug_work, 0);
3434                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3435         }
3436
3437         return 0;
3438 }
3439
3440 static int dce_v11_0_set_clockgating_state(void *handle,
3441                                           enum amd_clockgating_state state)
3442 {
3443         return 0;
3444 }
3445
3446 static int dce_v11_0_set_powergating_state(void *handle,
3447                                           enum amd_powergating_state state)
3448 {
3449         return 0;
3450 }
3451
3452 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3453         .name = "dce_v11_0",
3454         .early_init = dce_v11_0_early_init,
3455         .late_init = NULL,
3456         .sw_init = dce_v11_0_sw_init,
3457         .sw_fini = dce_v11_0_sw_fini,
3458         .hw_init = dce_v11_0_hw_init,
3459         .hw_fini = dce_v11_0_hw_fini,
3460         .suspend = dce_v11_0_suspend,
3461         .resume = dce_v11_0_resume,
3462         .is_idle = dce_v11_0_is_idle,
3463         .wait_for_idle = dce_v11_0_wait_for_idle,
3464         .soft_reset = dce_v11_0_soft_reset,
3465         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3466         .set_powergating_state = dce_v11_0_set_powergating_state,
3467         .dump_ip_state = NULL,
3468         .print_ip_state = NULL,
3469 };
3470
3471 static void
3472 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3473                           struct drm_display_mode *mode,
3474                           struct drm_display_mode *adjusted_mode)
3475 {
3476         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3477
3478         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3479
3480         /* need to call this here rather than in prepare() since we need some crtc info */
3481         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3482
3483         /* set scaler clears this on some chips */
3484         dce_v11_0_set_interleave(encoder->crtc, mode);
3485
3486         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3487                 dce_v11_0_afmt_enable(encoder, true);
3488                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3489         }
3490 }
3491
3492 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3493 {
3494         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3495         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3496         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3497
3498         if ((amdgpu_encoder->active_device &
3499              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3500             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3501              ENCODER_OBJECT_ID_NONE)) {
3502                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3503                 if (dig) {
3504                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3505                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3506                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3507                 }
3508         }
3509
3510         amdgpu_atombios_scratch_regs_lock(adev, true);
3511
3512         if (connector) {
3513                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3514
3515                 /* select the clock/data port if it uses a router */
3516                 if (amdgpu_connector->router.cd_valid)
3517                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3518
3519                 /* turn eDP panel on for mode set */
3520                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3521                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3522                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3523         }
3524
3525         /* this is needed for the pll/ss setup to work correctly in some cases */
3526         amdgpu_atombios_encoder_set_crtc_source(encoder);
3527         /* set up the FMT blocks */
3528         dce_v11_0_program_fmt(encoder);
3529 }
3530
3531 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3532 {
3533         struct drm_device *dev = encoder->dev;
3534         struct amdgpu_device *adev = drm_to_adev(dev);
3535
3536         /* need to call this here as we need the crtc set up */
3537         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3538         amdgpu_atombios_scratch_regs_lock(adev, false);
3539 }
3540
3541 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3542 {
3543         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3544         struct amdgpu_encoder_atom_dig *dig;
3545
3546         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3547
3548         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3549                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3550                         dce_v11_0_afmt_enable(encoder, false);
3551                 dig = amdgpu_encoder->enc_priv;
3552                 dig->dig_encoder = -1;
3553         }
3554         amdgpu_encoder->active_device = 0;
3555 }
3556
3557 /* these are handled by the primary encoders */
3558 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3559 {
3560
3561 }
3562
3563 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3564 {
3565
3566 }
3567
3568 static void
3569 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3570                       struct drm_display_mode *mode,
3571                       struct drm_display_mode *adjusted_mode)
3572 {
3573
3574 }
3575
3576 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3577 {
3578
3579 }
3580
3581 static void
3582 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3583 {
3584
3585 }
3586
3587 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3588         .dpms = dce_v11_0_ext_dpms,
3589         .prepare = dce_v11_0_ext_prepare,
3590         .mode_set = dce_v11_0_ext_mode_set,
3591         .commit = dce_v11_0_ext_commit,
3592         .disable = dce_v11_0_ext_disable,
3593         /* no detect for TMDS/LVDS yet */
3594 };
3595
3596 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3597         .dpms = amdgpu_atombios_encoder_dpms,
3598         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3599         .prepare = dce_v11_0_encoder_prepare,
3600         .mode_set = dce_v11_0_encoder_mode_set,
3601         .commit = dce_v11_0_encoder_commit,
3602         .disable = dce_v11_0_encoder_disable,
3603         .detect = amdgpu_atombios_encoder_dig_detect,
3604 };
3605
3606 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3607         .dpms = amdgpu_atombios_encoder_dpms,
3608         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3609         .prepare = dce_v11_0_encoder_prepare,
3610         .mode_set = dce_v11_0_encoder_mode_set,
3611         .commit = dce_v11_0_encoder_commit,
3612         .detect = amdgpu_atombios_encoder_dac_detect,
3613 };
3614
3615 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3616 {
3617         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3618         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3619                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3620         kfree(amdgpu_encoder->enc_priv);
3621         drm_encoder_cleanup(encoder);
3622         kfree(amdgpu_encoder);
3623 }
3624
3625 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3626         .destroy = dce_v11_0_encoder_destroy,
3627 };
3628
3629 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3630                                  uint32_t encoder_enum,
3631                                  uint32_t supported_device,
3632                                  u16 caps)
3633 {
3634         struct drm_device *dev = adev_to_drm(adev);
3635         struct drm_encoder *encoder;
3636         struct amdgpu_encoder *amdgpu_encoder;
3637
3638         /* see if we already added it */
3639         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3640                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3641                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3642                         amdgpu_encoder->devices |= supported_device;
3643                         return;
3644                 }
3645
3646         }
3647
3648         /* add a new one */
3649         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3650         if (!amdgpu_encoder)
3651                 return;
3652
3653         encoder = &amdgpu_encoder->base;
3654         switch (adev->mode_info.num_crtc) {
3655         case 1:
3656                 encoder->possible_crtcs = 0x1;
3657                 break;
3658         case 2:
3659         default:
3660                 encoder->possible_crtcs = 0x3;
3661                 break;
3662         case 3:
3663                 encoder->possible_crtcs = 0x7;
3664                 break;
3665         case 4:
3666                 encoder->possible_crtcs = 0xf;
3667                 break;
3668         case 5:
3669                 encoder->possible_crtcs = 0x1f;
3670                 break;
3671         case 6:
3672                 encoder->possible_crtcs = 0x3f;
3673                 break;
3674         }
3675
3676         amdgpu_encoder->enc_priv = NULL;
3677
3678         amdgpu_encoder->encoder_enum = encoder_enum;
3679         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3680         amdgpu_encoder->devices = supported_device;
3681         amdgpu_encoder->rmx_type = RMX_OFF;
3682         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3683         amdgpu_encoder->is_ext_encoder = false;
3684         amdgpu_encoder->caps = caps;
3685
3686         switch (amdgpu_encoder->encoder_id) {
3687         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3688         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3689                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3690                                  DRM_MODE_ENCODER_DAC, NULL);
3691                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3692                 break;
3693         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3694         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3695         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3696         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3697         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3698                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3699                         amdgpu_encoder->rmx_type = RMX_FULL;
3700                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3701                                          DRM_MODE_ENCODER_LVDS, NULL);
3702                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3703                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3704                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3705                                          DRM_MODE_ENCODER_DAC, NULL);
3706                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3707                 } else {
3708                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3709                                          DRM_MODE_ENCODER_TMDS, NULL);
3710                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3711                 }
3712                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3713                 break;
3714         case ENCODER_OBJECT_ID_SI170B:
3715         case ENCODER_OBJECT_ID_CH7303:
3716         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3717         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3718         case ENCODER_OBJECT_ID_TITFP513:
3719         case ENCODER_OBJECT_ID_VT1623:
3720         case ENCODER_OBJECT_ID_HDMI_SI1930:
3721         case ENCODER_OBJECT_ID_TRAVIS:
3722         case ENCODER_OBJECT_ID_NUTMEG:
3723                 /* these are handled by the primary encoders */
3724                 amdgpu_encoder->is_ext_encoder = true;
3725                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3726                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3727                                          DRM_MODE_ENCODER_LVDS, NULL);
3728                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3729                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3730                                          DRM_MODE_ENCODER_DAC, NULL);
3731                 else
3732                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3733                                          DRM_MODE_ENCODER_TMDS, NULL);
3734                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3735                 break;
3736         }
3737 }
3738
3739 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3740         .bandwidth_update = &dce_v11_0_bandwidth_update,
3741         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3742         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3743         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3744         .hpd_sense = &dce_v11_0_hpd_sense,
3745         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3746         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3747         .page_flip = &dce_v11_0_page_flip,
3748         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3749         .add_encoder = &dce_v11_0_encoder_add,
3750         .add_connector = &amdgpu_connector_add,
3751 };
3752
3753 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3754 {
3755         adev->mode_info.funcs = &dce_v11_0_display_funcs;
3756 }
3757
3758 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3759         .set = dce_v11_0_set_crtc_irq_state,
3760         .process = dce_v11_0_crtc_irq,
3761 };
3762
3763 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3764         .set = dce_v11_0_set_pageflip_irq_state,
3765         .process = dce_v11_0_pageflip_irq,
3766 };
3767
3768 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3769         .set = dce_v11_0_set_hpd_irq_state,
3770         .process = dce_v11_0_hpd_irq,
3771 };
3772
3773 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3774 {
3775         if (adev->mode_info.num_crtc > 0)
3776                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3777         else
3778                 adev->crtc_irq.num_types = 0;
3779         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3780
3781         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3782         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3783
3784         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3785         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3786 }
3787
3788 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3789 {
3790         .type = AMD_IP_BLOCK_TYPE_DCE,
3791         .major = 11,
3792         .minor = 0,
3793         .rev = 0,
3794         .funcs = &dce_v11_0_ip_funcs,
3795 };
3796
3797 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3798 {
3799         .type = AMD_IP_BLOCK_TYPE_DCE,
3800         .major = 11,
3801         .minor = 2,
3802         .rev = 0,
3803         .funcs = &dce_v11_0_ip_funcs,
3804 };