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, &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, &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                 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1935                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1936                 if (unlikely(r != 0)) {
1937                         amdgpu_bo_unreserve(abo);
1938                         return -EINVAL;
1939                 }
1940         }
1941         fb_location = amdgpu_bo_gpu_offset(abo);
1942
1943         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1944         amdgpu_bo_unreserve(abo);
1945
1946         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1947
1948         switch (target_fb->format->format) {
1949         case DRM_FORMAT_C8:
1950                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1951                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1952                 break;
1953         case DRM_FORMAT_XRGB4444:
1954         case DRM_FORMAT_ARGB4444:
1955                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1956                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1957 #ifdef __BIG_ENDIAN
1958                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1959                                         ENDIAN_8IN16);
1960 #endif
1961                 break;
1962         case DRM_FORMAT_XRGB1555:
1963         case DRM_FORMAT_ARGB1555:
1964                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1965                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1966 #ifdef __BIG_ENDIAN
1967                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1968                                         ENDIAN_8IN16);
1969 #endif
1970                 break;
1971         case DRM_FORMAT_BGRX5551:
1972         case DRM_FORMAT_BGRA5551:
1973                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1974                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1975 #ifdef __BIG_ENDIAN
1976                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1977                                         ENDIAN_8IN16);
1978 #endif
1979                 break;
1980         case DRM_FORMAT_RGB565:
1981                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1982                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1983 #ifdef __BIG_ENDIAN
1984                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1985                                         ENDIAN_8IN16);
1986 #endif
1987                 break;
1988         case DRM_FORMAT_XRGB8888:
1989         case DRM_FORMAT_ARGB8888:
1990                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1991                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1992 #ifdef __BIG_ENDIAN
1993                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1994                                         ENDIAN_8IN32);
1995 #endif
1996                 break;
1997         case DRM_FORMAT_XRGB2101010:
1998         case DRM_FORMAT_ARGB2101010:
1999                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2000                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2001 #ifdef __BIG_ENDIAN
2002                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2003                                         ENDIAN_8IN32);
2004 #endif
2005                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2006                 bypass_lut = true;
2007                 break;
2008         case DRM_FORMAT_BGRX1010102:
2009         case DRM_FORMAT_BGRA1010102:
2010                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2011                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2012 #ifdef __BIG_ENDIAN
2013                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2014                                         ENDIAN_8IN32);
2015 #endif
2016                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2017                 bypass_lut = true;
2018                 break;
2019         case DRM_FORMAT_XBGR8888:
2020         case DRM_FORMAT_ABGR8888:
2021                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2022                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2023                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2024                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2025 #ifdef __BIG_ENDIAN
2026                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2027                                         ENDIAN_8IN32);
2028 #endif
2029                 break;
2030         default:
2031                 DRM_ERROR("Unsupported screen format %p4cc\n",
2032                           &target_fb->format->format);
2033                 return -EINVAL;
2034         }
2035
2036         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2037                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2038
2039                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2040                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2041                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2042                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2043                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2044
2045                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2046                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2047                                           ARRAY_2D_TILED_THIN1);
2048                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2049                                           tile_split);
2050                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2051                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2052                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2053                                           mtaspect);
2054                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2055                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2056         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2057                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2058                                           ARRAY_1D_TILED_THIN1);
2059         }
2060
2061         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2062                                   pipe_config);
2063
2064         dce_v11_0_vga_enable(crtc, false);
2065
2066         /* Make sure surface address is updated at vertical blank rather than
2067          * horizontal blank
2068          */
2069         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2070         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2071                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2072         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2073
2074         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2075                upper_32_bits(fb_location));
2076         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2077                upper_32_bits(fb_location));
2078         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2079                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2080         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2081                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2082         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2083         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2084
2085         /*
2086          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2087          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2088          * retain the full precision throughout the pipeline.
2089          */
2090         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2091         if (bypass_lut)
2092                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2093         else
2094                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2095         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2096
2097         if (bypass_lut)
2098                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2099
2100         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2101         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2102         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2103         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2104         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2105         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2106
2107         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2108         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2109
2110         dce_v11_0_grph_enable(crtc, true);
2111
2112         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2113                target_fb->height);
2114
2115         x &= ~3;
2116         y &= ~1;
2117         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2118                (x << 16) | y);
2119         viewport_w = crtc->mode.hdisplay;
2120         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2121         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2122                (viewport_w << 16) | viewport_h);
2123
2124         /* set pageflip to happen anywhere in vblank interval */
2125         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2126
2127         if (!atomic && fb && fb != crtc->primary->fb) {
2128                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2129                 r = amdgpu_bo_reserve(abo, true);
2130                 if (unlikely(r != 0))
2131                         return r;
2132                 amdgpu_bo_unpin(abo);
2133                 amdgpu_bo_unreserve(abo);
2134         }
2135
2136         /* Bytes per pixel may have changed */
2137         dce_v11_0_bandwidth_update(adev);
2138
2139         return 0;
2140 }
2141
2142 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2143                                      struct drm_display_mode *mode)
2144 {
2145         struct drm_device *dev = crtc->dev;
2146         struct amdgpu_device *adev = drm_to_adev(dev);
2147         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2148         u32 tmp;
2149
2150         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2151         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2152                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2153         else
2154                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2155         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2156 }
2157
2158 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2159 {
2160         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2161         struct drm_device *dev = crtc->dev;
2162         struct amdgpu_device *adev = drm_to_adev(dev);
2163         u16 *r, *g, *b;
2164         int i;
2165         u32 tmp;
2166
2167         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2168
2169         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2170         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2171         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2172
2173         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2174         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2175         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2176
2177         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2178         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2179         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180
2181         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2182
2183         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2184         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2185         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2186
2187         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2188         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2189         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2190
2191         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2192         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2193
2194         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2195         r = crtc->gamma_store;
2196         g = r + crtc->gamma_size;
2197         b = g + crtc->gamma_size;
2198         for (i = 0; i < 256; i++) {
2199                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2200                        ((*r++ & 0xffc0) << 14) |
2201                        ((*g++ & 0xffc0) << 4) |
2202                        (*b++ >> 6));
2203         }
2204
2205         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2206         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2207         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2208         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2209         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2210
2211         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2212         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2213         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2214
2215         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2216         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2217         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2218
2219         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2220         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2221         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2222
2223         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2224         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2225         /* XXX this only needs to be programmed once per crtc at startup,
2226          * not sure where the best place for it is
2227          */
2228         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2229         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2230         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2231 }
2232
2233 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2234 {
2235         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2236         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2237
2238         switch (amdgpu_encoder->encoder_id) {
2239         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2240                 if (dig->linkb)
2241                         return 1;
2242                 else
2243                         return 0;
2244         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2245                 if (dig->linkb)
2246                         return 3;
2247                 else
2248                         return 2;
2249         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2250                 if (dig->linkb)
2251                         return 5;
2252                 else
2253                         return 4;
2254         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2255                 return 6;
2256         default:
2257                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2258                 return 0;
2259         }
2260 }
2261
2262 /**
2263  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2264  *
2265  * @crtc: drm crtc
2266  *
2267  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2268  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2269  * monitors a dedicated PPLL must be used.  If a particular board has
2270  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2271  * as there is no need to program the PLL itself.  If we are not able to
2272  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2273  * avoid messing up an existing monitor.
2274  *
2275  * Asic specific PLL information
2276  *
2277  * DCE 10.x
2278  * Tonga
2279  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2280  * CI
2281  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2282  *
2283  */
2284 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2285 {
2286         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2287         struct drm_device *dev = crtc->dev;
2288         struct amdgpu_device *adev = drm_to_adev(dev);
2289         u32 pll_in_use;
2290         int pll;
2291
2292         if ((adev->asic_type == CHIP_POLARIS10) ||
2293             (adev->asic_type == CHIP_POLARIS11) ||
2294             (adev->asic_type == CHIP_POLARIS12) ||
2295             (adev->asic_type == CHIP_VEGAM)) {
2296                 struct amdgpu_encoder *amdgpu_encoder =
2297                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2298                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2299
2300                 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2301                         return ATOM_DP_DTO;
2302
2303                 switch (amdgpu_encoder->encoder_id) {
2304                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2305                         if (dig->linkb)
2306                                 return ATOM_COMBOPHY_PLL1;
2307                         else
2308                                 return ATOM_COMBOPHY_PLL0;
2309                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2310                         if (dig->linkb)
2311                                 return ATOM_COMBOPHY_PLL3;
2312                         else
2313                                 return ATOM_COMBOPHY_PLL2;
2314                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315                         if (dig->linkb)
2316                                 return ATOM_COMBOPHY_PLL5;
2317                         else
2318                                 return ATOM_COMBOPHY_PLL4;
2319                 default:
2320                         DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2321                         return ATOM_PPLL_INVALID;
2322                 }
2323         }
2324
2325         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2326                 if (adev->clock.dp_extclk)
2327                         /* skip PPLL programming if using ext clock */
2328                         return ATOM_PPLL_INVALID;
2329                 else {
2330                         /* use the same PPLL for all DP monitors */
2331                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2332                         if (pll != ATOM_PPLL_INVALID)
2333                                 return pll;
2334                 }
2335         } else {
2336                 /* use the same PPLL for all monitors with the same clock */
2337                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2338                 if (pll != ATOM_PPLL_INVALID)
2339                         return pll;
2340         }
2341
2342         /* XXX need to determine what plls are available on each DCE11 part */
2343         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2344         if (adev->flags & AMD_IS_APU) {
2345                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2346                         return ATOM_PPLL1;
2347                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2348                         return ATOM_PPLL0;
2349                 DRM_ERROR("unable to allocate a PPLL\n");
2350                 return ATOM_PPLL_INVALID;
2351         } else {
2352                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2353                         return ATOM_PPLL2;
2354                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2355                         return ATOM_PPLL1;
2356                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2357                         return ATOM_PPLL0;
2358                 DRM_ERROR("unable to allocate a PPLL\n");
2359                 return ATOM_PPLL_INVALID;
2360         }
2361         return ATOM_PPLL_INVALID;
2362 }
2363
2364 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2365 {
2366         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2367         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2368         uint32_t cur_lock;
2369
2370         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2371         if (lock)
2372                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2373         else
2374                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2375         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2376 }
2377
2378 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2379 {
2380         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2382         u32 tmp;
2383
2384         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2385         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2386         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2387 }
2388
2389 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2390 {
2391         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2392         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2393         u32 tmp;
2394
2395         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2396                upper_32_bits(amdgpu_crtc->cursor_addr));
2397         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2398                lower_32_bits(amdgpu_crtc->cursor_addr));
2399
2400         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2401         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2402         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2403         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2404 }
2405
2406 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2407                                         int x, int y)
2408 {
2409         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2410         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2411         int xorigin = 0, yorigin = 0;
2412
2413         amdgpu_crtc->cursor_x = x;
2414         amdgpu_crtc->cursor_y = y;
2415
2416         /* avivo cursor are offset into the total surface */
2417         x += crtc->x;
2418         y += crtc->y;
2419         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2420
2421         if (x < 0) {
2422                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2423                 x = 0;
2424         }
2425         if (y < 0) {
2426                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2427                 y = 0;
2428         }
2429
2430         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2431         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2432         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2433                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2434
2435         return 0;
2436 }
2437
2438 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2439                                       int x, int y)
2440 {
2441         int ret;
2442
2443         dce_v11_0_lock_cursor(crtc, true);
2444         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2445         dce_v11_0_lock_cursor(crtc, false);
2446
2447         return ret;
2448 }
2449
2450 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2451                                       struct drm_file *file_priv,
2452                                       uint32_t handle,
2453                                       uint32_t width,
2454                                       uint32_t height,
2455                                       int32_t hot_x,
2456                                       int32_t hot_y)
2457 {
2458         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2459         struct drm_gem_object *obj;
2460         struct amdgpu_bo *aobj;
2461         int ret;
2462
2463         if (!handle) {
2464                 /* turn off cursor */
2465                 dce_v11_0_hide_cursor(crtc);
2466                 obj = NULL;
2467                 goto unpin;
2468         }
2469
2470         if ((width > amdgpu_crtc->max_cursor_width) ||
2471             (height > amdgpu_crtc->max_cursor_height)) {
2472                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2473                 return -EINVAL;
2474         }
2475
2476         obj = drm_gem_object_lookup(file_priv, handle);
2477         if (!obj) {
2478                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2479                 return -ENOENT;
2480         }
2481
2482         aobj = gem_to_amdgpu_bo(obj);
2483         ret = amdgpu_bo_reserve(aobj, false);
2484         if (ret != 0) {
2485                 drm_gem_object_put(obj);
2486                 return ret;
2487         }
2488
2489         aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2490         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491         amdgpu_bo_unreserve(aobj);
2492         if (ret) {
2493                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494                 drm_gem_object_put(obj);
2495                 return ret;
2496         }
2497         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498
2499         dce_v11_0_lock_cursor(crtc, true);
2500
2501         if (width != amdgpu_crtc->cursor_width ||
2502             height != amdgpu_crtc->cursor_height ||
2503             hot_x != amdgpu_crtc->cursor_hot_x ||
2504             hot_y != amdgpu_crtc->cursor_hot_y) {
2505                 int x, y;
2506
2507                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509
2510                 dce_v11_0_cursor_move_locked(crtc, x, y);
2511
2512                 amdgpu_crtc->cursor_width = width;
2513                 amdgpu_crtc->cursor_height = height;
2514                 amdgpu_crtc->cursor_hot_x = hot_x;
2515                 amdgpu_crtc->cursor_hot_y = hot_y;
2516         }
2517
2518         dce_v11_0_show_cursor(crtc);
2519         dce_v11_0_lock_cursor(crtc, false);
2520
2521 unpin:
2522         if (amdgpu_crtc->cursor_bo) {
2523                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524                 ret = amdgpu_bo_reserve(aobj, true);
2525                 if (likely(ret == 0)) {
2526                         amdgpu_bo_unpin(aobj);
2527                         amdgpu_bo_unreserve(aobj);
2528                 }
2529                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2530         }
2531
2532         amdgpu_crtc->cursor_bo = obj;
2533         return 0;
2534 }
2535
2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537 {
2538         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539
2540         if (amdgpu_crtc->cursor_bo) {
2541                 dce_v11_0_lock_cursor(crtc, true);
2542
2543                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544                                              amdgpu_crtc->cursor_y);
2545
2546                 dce_v11_0_show_cursor(crtc);
2547
2548                 dce_v11_0_lock_cursor(crtc, false);
2549         }
2550 }
2551
2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553                                     u16 *blue, uint32_t size,
2554                                     struct drm_modeset_acquire_ctx *ctx)
2555 {
2556         dce_v11_0_crtc_load_lut(crtc);
2557
2558         return 0;
2559 }
2560
2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562 {
2563         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564
2565         drm_crtc_cleanup(crtc);
2566         kfree(amdgpu_crtc);
2567 }
2568
2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571         .cursor_move = dce_v11_0_crtc_cursor_move,
2572         .gamma_set = dce_v11_0_crtc_gamma_set,
2573         .set_config = amdgpu_display_crtc_set_config,
2574         .destroy = dce_v11_0_crtc_destroy,
2575         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2576         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577         .enable_vblank = amdgpu_enable_vblank_kms,
2578         .disable_vblank = amdgpu_disable_vblank_kms,
2579         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580 };
2581
2582 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583 {
2584         struct drm_device *dev = crtc->dev;
2585         struct amdgpu_device *adev = drm_to_adev(dev);
2586         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587         unsigned type;
2588
2589         switch (mode) {
2590         case DRM_MODE_DPMS_ON:
2591                 amdgpu_crtc->enabled = true;
2592                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593                 dce_v11_0_vga_enable(crtc, true);
2594                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595                 dce_v11_0_vga_enable(crtc, false);
2596                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2597                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598                                                 amdgpu_crtc->crtc_id);
2599                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601                 drm_crtc_vblank_on(crtc);
2602                 dce_v11_0_crtc_load_lut(crtc);
2603                 break;
2604         case DRM_MODE_DPMS_STANDBY:
2605         case DRM_MODE_DPMS_SUSPEND:
2606         case DRM_MODE_DPMS_OFF:
2607                 drm_crtc_vblank_off(crtc);
2608                 if (amdgpu_crtc->enabled) {
2609                         dce_v11_0_vga_enable(crtc, true);
2610                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611                         dce_v11_0_vga_enable(crtc, false);
2612                 }
2613                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614                 amdgpu_crtc->enabled = false;
2615                 break;
2616         }
2617         /* adjust pm to dpms */
2618         amdgpu_dpm_compute_clocks(adev);
2619 }
2620
2621 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622 {
2623         /* disable crtc pair power gating before programming */
2624         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627 }
2628
2629 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630 {
2631         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633 }
2634
2635 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636 {
2637         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638         struct drm_device *dev = crtc->dev;
2639         struct amdgpu_device *adev = drm_to_adev(dev);
2640         struct amdgpu_atom_ss ss;
2641         int i;
2642
2643         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644         if (crtc->primary->fb) {
2645                 int r;
2646                 struct amdgpu_bo *abo;
2647
2648                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649                 r = amdgpu_bo_reserve(abo, true);
2650                 if (unlikely(r))
2651                         DRM_ERROR("failed to reserve abo before unpin\n");
2652                 else {
2653                         amdgpu_bo_unpin(abo);
2654                         amdgpu_bo_unreserve(abo);
2655                 }
2656         }
2657         /* disable the GRPH */
2658         dce_v11_0_grph_enable(crtc, false);
2659
2660         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661
2662         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663                 if (adev->mode_info.crtcs[i] &&
2664                     adev->mode_info.crtcs[i]->enabled &&
2665                     i != amdgpu_crtc->crtc_id &&
2666                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667                         /* one other crtc is using this pll don't turn
2668                          * off the pll
2669                          */
2670                         goto done;
2671                 }
2672         }
2673
2674         switch (amdgpu_crtc->pll_id) {
2675         case ATOM_PPLL0:
2676         case ATOM_PPLL1:
2677         case ATOM_PPLL2:
2678                 /* disable the ppll */
2679                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681                 break;
2682         case ATOM_COMBOPHY_PLL0:
2683         case ATOM_COMBOPHY_PLL1:
2684         case ATOM_COMBOPHY_PLL2:
2685         case ATOM_COMBOPHY_PLL3:
2686         case ATOM_COMBOPHY_PLL4:
2687         case ATOM_COMBOPHY_PLL5:
2688                 /* disable the ppll */
2689                 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691                 break;
2692         default:
2693                 break;
2694         }
2695 done:
2696         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697         amdgpu_crtc->adjusted_clock = 0;
2698         amdgpu_crtc->encoder = NULL;
2699         amdgpu_crtc->connector = NULL;
2700 }
2701
2702 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703                                   struct drm_display_mode *mode,
2704                                   struct drm_display_mode *adjusted_mode,
2705                                   int x, int y, struct drm_framebuffer *old_fb)
2706 {
2707         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708         struct drm_device *dev = crtc->dev;
2709         struct amdgpu_device *adev = drm_to_adev(dev);
2710
2711         if (!amdgpu_crtc->adjusted_clock)
2712                 return -EINVAL;
2713
2714         if ((adev->asic_type == CHIP_POLARIS10) ||
2715             (adev->asic_type == CHIP_POLARIS11) ||
2716             (adev->asic_type == CHIP_POLARIS12) ||
2717             (adev->asic_type == CHIP_VEGAM)) {
2718                 struct amdgpu_encoder *amdgpu_encoder =
2719                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2720                 int encoder_mode =
2721                         amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722
2723                 /* SetPixelClock calculates the plls and ss values now */
2724                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725                                                  amdgpu_crtc->pll_id,
2726                                                  encoder_mode, amdgpu_encoder->encoder_id,
2727                                                  adjusted_mode->clock, 0, 0, 0, 0,
2728                                                  amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729         } else {
2730                 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731         }
2732         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735         amdgpu_atombios_crtc_scaler_setup(crtc);
2736         dce_v11_0_cursor_reset(crtc);
2737         /* update the hw version fpr dpm */
2738         amdgpu_crtc->hw_mode = *adjusted_mode;
2739
2740         return 0;
2741 }
2742
2743 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744                                      const struct drm_display_mode *mode,
2745                                      struct drm_display_mode *adjusted_mode)
2746 {
2747         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748         struct drm_device *dev = crtc->dev;
2749         struct drm_encoder *encoder;
2750
2751         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753                 if (encoder->crtc == crtc) {
2754                         amdgpu_crtc->encoder = encoder;
2755                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756                         break;
2757                 }
2758         }
2759         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760                 amdgpu_crtc->encoder = NULL;
2761                 amdgpu_crtc->connector = NULL;
2762                 return false;
2763         }
2764         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765                 return false;
2766         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767                 return false;
2768         /* pick pll */
2769         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770         /* if we can't get a PPLL for a non-DP encoder, fail */
2771         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773                 return false;
2774
2775         return true;
2776 }
2777
2778 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779                                   struct drm_framebuffer *old_fb)
2780 {
2781         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782 }
2783
2784 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785                                          struct drm_framebuffer *fb,
2786                                          int x, int y, enum mode_set_atomic state)
2787 {
2788         return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789 }
2790
2791 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792         .dpms = dce_v11_0_crtc_dpms,
2793         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2794         .mode_set = dce_v11_0_crtc_mode_set,
2795         .mode_set_base = dce_v11_0_crtc_set_base,
2796         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797         .prepare = dce_v11_0_crtc_prepare,
2798         .commit = dce_v11_0_crtc_commit,
2799         .disable = dce_v11_0_crtc_disable,
2800         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2801 };
2802
2803 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804 {
2805         struct amdgpu_crtc *amdgpu_crtc;
2806
2807         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809         if (amdgpu_crtc == NULL)
2810                 return -ENOMEM;
2811
2812         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813
2814         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815         amdgpu_crtc->crtc_id = index;
2816         adev->mode_info.crtcs[index] = amdgpu_crtc;
2817
2818         amdgpu_crtc->max_cursor_width = 128;
2819         amdgpu_crtc->max_cursor_height = 128;
2820         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822
2823         switch (amdgpu_crtc->crtc_id) {
2824         case 0:
2825         default:
2826                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827                 break;
2828         case 1:
2829                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830                 break;
2831         case 2:
2832                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833                 break;
2834         case 3:
2835                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836                 break;
2837         case 4:
2838                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839                 break;
2840         case 5:
2841                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842                 break;
2843         }
2844
2845         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846         amdgpu_crtc->adjusted_clock = 0;
2847         amdgpu_crtc->encoder = NULL;
2848         amdgpu_crtc->connector = NULL;
2849         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850
2851         return 0;
2852 }
2853
2854 static int dce_v11_0_early_init(struct amdgpu_ip_block *ip_block)
2855 {
2856         struct amdgpu_device *adev = ip_block->adev;
2857
2858         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860
2861         dce_v11_0_set_display_funcs(adev);
2862
2863         adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864
2865         switch (adev->asic_type) {
2866         case CHIP_CARRIZO:
2867                 adev->mode_info.num_hpd = 6;
2868                 adev->mode_info.num_dig = 9;
2869                 break;
2870         case CHIP_STONEY:
2871                 adev->mode_info.num_hpd = 6;
2872                 adev->mode_info.num_dig = 9;
2873                 break;
2874         case CHIP_POLARIS10:
2875         case CHIP_VEGAM:
2876                 adev->mode_info.num_hpd = 6;
2877                 adev->mode_info.num_dig = 6;
2878                 break;
2879         case CHIP_POLARIS11:
2880         case CHIP_POLARIS12:
2881                 adev->mode_info.num_hpd = 5;
2882                 adev->mode_info.num_dig = 5;
2883                 break;
2884         default:
2885                 /* FIXME: not supported yet */
2886                 return -EINVAL;
2887         }
2888
2889         dce_v11_0_set_irq_funcs(adev);
2890
2891         return 0;
2892 }
2893
2894 static int dce_v11_0_sw_init(struct amdgpu_ip_block *ip_block)
2895 {
2896         int r, i;
2897         struct amdgpu_device *adev = ip_block->adev;
2898
2899         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901                 if (r)
2902                         return r;
2903         }
2904
2905         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907                 if (r)
2908                         return r;
2909         }
2910
2911         /* HPD hotplug */
2912         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913         if (r)
2914                 return r;
2915
2916         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2917
2918         adev_to_drm(adev)->mode_config.async_page_flip = true;
2919
2920         adev_to_drm(adev)->mode_config.max_width = 16384;
2921         adev_to_drm(adev)->mode_config.max_height = 16384;
2922
2923         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2924         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2925
2926         adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2927
2928         r = amdgpu_display_modeset_create_props(adev);
2929         if (r)
2930                 return r;
2931
2932         adev_to_drm(adev)->mode_config.max_width = 16384;
2933         adev_to_drm(adev)->mode_config.max_height = 16384;
2934
2935
2936         /* allocate crtcs */
2937         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938                 r = dce_v11_0_crtc_init(adev, i);
2939                 if (r)
2940                         return r;
2941         }
2942
2943         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2945         else
2946                 return -EINVAL;
2947
2948         /* setup afmt */
2949         r = dce_v11_0_afmt_init(adev);
2950         if (r)
2951                 return r;
2952
2953         r = dce_v11_0_audio_init(adev);
2954         if (r)
2955                 return r;
2956
2957         /* Disable vblank IRQs aggressively for power-saving */
2958         /* XXX: can this be enabled for DC? */
2959         adev_to_drm(adev)->vblank_disable_immediate = true;
2960
2961         r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2962         if (r)
2963                 return r;
2964
2965         INIT_DELAYED_WORK(&adev->hotplug_work,
2966                   amdgpu_display_hotplug_work_func);
2967
2968         drm_kms_helper_poll_init(adev_to_drm(adev));
2969
2970         adev->mode_info.mode_config_initialized = true;
2971         return 0;
2972 }
2973
2974 static int dce_v11_0_sw_fini(struct amdgpu_ip_block *ip_block)
2975 {
2976         struct amdgpu_device *adev = ip_block->adev;
2977
2978         drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2979
2980         drm_kms_helper_poll_fini(adev_to_drm(adev));
2981
2982         dce_v11_0_audio_fini(adev);
2983
2984         dce_v11_0_afmt_fini(adev);
2985
2986         drm_mode_config_cleanup(adev_to_drm(adev));
2987         adev->mode_info.mode_config_initialized = false;
2988
2989         return 0;
2990 }
2991
2992 static int dce_v11_0_hw_init(struct amdgpu_ip_block *ip_block)
2993 {
2994         int i;
2995         struct amdgpu_device *adev = ip_block->adev;
2996
2997         dce_v11_0_init_golden_registers(adev);
2998
2999         /* disable vga render */
3000         dce_v11_0_set_vga_render_state(adev, false);
3001         /* init dig PHYs, disp eng pll */
3002         amdgpu_atombios_crtc_powergate_init(adev);
3003         amdgpu_atombios_encoder_init_dig(adev);
3004         if ((adev->asic_type == CHIP_POLARIS10) ||
3005             (adev->asic_type == CHIP_POLARIS11) ||
3006             (adev->asic_type == CHIP_POLARIS12) ||
3007             (adev->asic_type == CHIP_VEGAM)) {
3008                 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3009                                                    DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3010                 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3011                                                    DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3012         } else {
3013                 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3014         }
3015
3016         /* initialize hpd */
3017         dce_v11_0_hpd_init(adev);
3018
3019         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3020                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3021         }
3022
3023         dce_v11_0_pageflip_interrupt_init(adev);
3024
3025         return 0;
3026 }
3027
3028 static int dce_v11_0_hw_fini(struct amdgpu_ip_block *ip_block)
3029 {
3030         int i;
3031         struct amdgpu_device *adev = ip_block->adev;
3032
3033         dce_v11_0_hpd_fini(adev);
3034
3035         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3036                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3037         }
3038
3039         dce_v11_0_pageflip_interrupt_fini(adev);
3040
3041         flush_delayed_work(&adev->hotplug_work);
3042
3043         return 0;
3044 }
3045
3046 static int dce_v11_0_suspend(struct amdgpu_ip_block *ip_block)
3047 {
3048         struct amdgpu_device *adev = ip_block->adev;
3049         int r;
3050
3051         r = amdgpu_display_suspend_helper(adev);
3052         if (r)
3053                 return r;
3054
3055         adev->mode_info.bl_level =
3056                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3057
3058         return dce_v11_0_hw_fini(ip_block);
3059 }
3060
3061 static int dce_v11_0_resume(struct amdgpu_ip_block *ip_block)
3062 {
3063         struct amdgpu_device *adev = ip_block->adev;
3064         int ret;
3065
3066         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3067                                                            adev->mode_info.bl_level);
3068
3069         ret = dce_v11_0_hw_init(ip_block);
3070
3071         /* turn on the BL */
3072         if (adev->mode_info.bl_encoder) {
3073                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3074                                                                   adev->mode_info.bl_encoder);
3075                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3076                                                     bl_level);
3077         }
3078         if (ret)
3079                 return ret;
3080
3081         return amdgpu_display_resume_helper(adev);
3082 }
3083
3084 static bool dce_v11_0_is_idle(void *handle)
3085 {
3086         return true;
3087 }
3088
3089 static int dce_v11_0_soft_reset(struct amdgpu_ip_block *ip_block)
3090 {
3091         u32 srbm_soft_reset = 0, tmp;
3092         struct amdgpu_device *adev = ip_block->adev;
3093
3094         if (dce_v11_0_is_display_hung(adev))
3095                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3096
3097         if (srbm_soft_reset) {
3098                 tmp = RREG32(mmSRBM_SOFT_RESET);
3099                 tmp |= srbm_soft_reset;
3100                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3101                 WREG32(mmSRBM_SOFT_RESET, tmp);
3102                 tmp = RREG32(mmSRBM_SOFT_RESET);
3103
3104                 udelay(50);
3105
3106                 tmp &= ~srbm_soft_reset;
3107                 WREG32(mmSRBM_SOFT_RESET, tmp);
3108                 tmp = RREG32(mmSRBM_SOFT_RESET);
3109
3110                 /* Wait a little for things to settle down */
3111                 udelay(50);
3112         }
3113         return 0;
3114 }
3115
3116 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3117                                                      int crtc,
3118                                                      enum amdgpu_interrupt_state state)
3119 {
3120         u32 lb_interrupt_mask;
3121
3122         if (crtc >= adev->mode_info.num_crtc) {
3123                 DRM_DEBUG("invalid crtc %d\n", crtc);
3124                 return;
3125         }
3126
3127         switch (state) {
3128         case AMDGPU_IRQ_STATE_DISABLE:
3129                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3130                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3131                                                   VBLANK_INTERRUPT_MASK, 0);
3132                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3133                 break;
3134         case AMDGPU_IRQ_STATE_ENABLE:
3135                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3136                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3137                                                   VBLANK_INTERRUPT_MASK, 1);
3138                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3139                 break;
3140         default:
3141                 break;
3142         }
3143 }
3144
3145 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3146                                                     int crtc,
3147                                                     enum amdgpu_interrupt_state state)
3148 {
3149         u32 lb_interrupt_mask;
3150
3151         if (crtc >= adev->mode_info.num_crtc) {
3152                 DRM_DEBUG("invalid crtc %d\n", crtc);
3153                 return;
3154         }
3155
3156         switch (state) {
3157         case AMDGPU_IRQ_STATE_DISABLE:
3158                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3159                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3160                                                   VLINE_INTERRUPT_MASK, 0);
3161                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3162                 break;
3163         case AMDGPU_IRQ_STATE_ENABLE:
3164                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3165                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3166                                                   VLINE_INTERRUPT_MASK, 1);
3167                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3168                 break;
3169         default:
3170                 break;
3171         }
3172 }
3173
3174 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3175                                         struct amdgpu_irq_src *source,
3176                                         unsigned hpd,
3177                                         enum amdgpu_interrupt_state state)
3178 {
3179         u32 tmp;
3180
3181         if (hpd >= adev->mode_info.num_hpd) {
3182                 DRM_DEBUG("invalid hdp %d\n", hpd);
3183                 return 0;
3184         }
3185
3186         switch (state) {
3187         case AMDGPU_IRQ_STATE_DISABLE:
3188                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3189                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3190                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3191                 break;
3192         case AMDGPU_IRQ_STATE_ENABLE:
3193                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3194                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3195                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3196                 break;
3197         default:
3198                 break;
3199         }
3200
3201         return 0;
3202 }
3203
3204 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3205                                         struct amdgpu_irq_src *source,
3206                                         unsigned type,
3207                                         enum amdgpu_interrupt_state state)
3208 {
3209         switch (type) {
3210         case AMDGPU_CRTC_IRQ_VBLANK1:
3211                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3212                 break;
3213         case AMDGPU_CRTC_IRQ_VBLANK2:
3214                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3215                 break;
3216         case AMDGPU_CRTC_IRQ_VBLANK3:
3217                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3218                 break;
3219         case AMDGPU_CRTC_IRQ_VBLANK4:
3220                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3221                 break;
3222         case AMDGPU_CRTC_IRQ_VBLANK5:
3223                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3224                 break;
3225         case AMDGPU_CRTC_IRQ_VBLANK6:
3226                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3227                 break;
3228         case AMDGPU_CRTC_IRQ_VLINE1:
3229                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3230                 break;
3231         case AMDGPU_CRTC_IRQ_VLINE2:
3232                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3233                 break;
3234         case AMDGPU_CRTC_IRQ_VLINE3:
3235                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3236                 break;
3237         case AMDGPU_CRTC_IRQ_VLINE4:
3238                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3239                 break;
3240         case AMDGPU_CRTC_IRQ_VLINE5:
3241                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3242                 break;
3243          case AMDGPU_CRTC_IRQ_VLINE6:
3244                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3245                 break;
3246         default:
3247                 break;
3248         }
3249         return 0;
3250 }
3251
3252 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3253                                             struct amdgpu_irq_src *src,
3254                                             unsigned type,
3255                                             enum amdgpu_interrupt_state state)
3256 {
3257         u32 reg;
3258
3259         if (type >= adev->mode_info.num_crtc) {
3260                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3261                 return -EINVAL;
3262         }
3263
3264         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3265         if (state == AMDGPU_IRQ_STATE_DISABLE)
3266                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3267                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3268         else
3269                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3270                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3271
3272         return 0;
3273 }
3274
3275 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3276                                   struct amdgpu_irq_src *source,
3277                                   struct amdgpu_iv_entry *entry)
3278 {
3279         unsigned long flags;
3280         unsigned crtc_id;
3281         struct amdgpu_crtc *amdgpu_crtc;
3282         struct amdgpu_flip_work *works;
3283
3284         crtc_id = (entry->src_id - 8) >> 1;
3285         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3286
3287         if (crtc_id >= adev->mode_info.num_crtc) {
3288                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3289                 return -EINVAL;
3290         }
3291
3292         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3293             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3294                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3295                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3296
3297         /* IRQ could occur when in initial stage */
3298         if(amdgpu_crtc == NULL)
3299                 return 0;
3300
3301         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3302         works = amdgpu_crtc->pflip_works;
3303         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3304                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3305                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3306                                                  amdgpu_crtc->pflip_status,
3307                                                  AMDGPU_FLIP_SUBMITTED);
3308                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3309                 return 0;
3310         }
3311
3312         /* page flip completed. clean up */
3313         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3314         amdgpu_crtc->pflip_works = NULL;
3315
3316         /* wakeup usersapce */
3317         if(works->event)
3318                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3319
3320         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3321
3322         drm_crtc_vblank_put(&amdgpu_crtc->base);
3323         schedule_work(&works->unpin_work);
3324
3325         return 0;
3326 }
3327
3328 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3329                                   int hpd)
3330 {
3331         u32 tmp;
3332
3333         if (hpd >= adev->mode_info.num_hpd) {
3334                 DRM_DEBUG("invalid hdp %d\n", hpd);
3335                 return;
3336         }
3337
3338         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3339         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3340         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3341 }
3342
3343 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3344                                           int crtc)
3345 {
3346         u32 tmp;
3347
3348         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349                 DRM_DEBUG("invalid crtc %d\n", crtc);
3350                 return;
3351         }
3352
3353         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3354         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3355         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3356 }
3357
3358 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3359                                          int crtc)
3360 {
3361         u32 tmp;
3362
3363         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3364                 DRM_DEBUG("invalid crtc %d\n", crtc);
3365                 return;
3366         }
3367
3368         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3369         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3370         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3371 }
3372
3373 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3374                                 struct amdgpu_irq_src *source,
3375                                 struct amdgpu_iv_entry *entry)
3376 {
3377         unsigned crtc = entry->src_id - 1;
3378         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3379         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3380                                                                     crtc);
3381
3382         switch (entry->src_data[0]) {
3383         case 0: /* vblank */
3384                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3385                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3386                 else
3387                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3388
3389                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3390                         drm_handle_vblank(adev_to_drm(adev), crtc);
3391                 }
3392                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3393
3394                 break;
3395         case 1: /* vline */
3396                 if (disp_int & interrupt_status_offsets[crtc].vline)
3397                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3398                 else
3399                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3400
3401                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3402
3403                 break;
3404         default:
3405                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406                 break;
3407         }
3408
3409         return 0;
3410 }
3411
3412 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3413                              struct amdgpu_irq_src *source,
3414                              struct amdgpu_iv_entry *entry)
3415 {
3416         uint32_t disp_int, mask;
3417         unsigned hpd;
3418
3419         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3420                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3421                 return 0;
3422         }
3423
3424         hpd = entry->src_data[0];
3425         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3426         mask = interrupt_status_offsets[hpd].hpd;
3427
3428         if (disp_int & mask) {
3429                 dce_v11_0_hpd_int_ack(adev, hpd);
3430                 schedule_delayed_work(&adev->hotplug_work, 0);
3431                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3432         }
3433
3434         return 0;
3435 }
3436
3437 static int dce_v11_0_set_clockgating_state(void *handle,
3438                                           enum amd_clockgating_state state)
3439 {
3440         return 0;
3441 }
3442
3443 static int dce_v11_0_set_powergating_state(void *handle,
3444                                           enum amd_powergating_state state)
3445 {
3446         return 0;
3447 }
3448
3449 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3450         .name = "dce_v11_0",
3451         .early_init = dce_v11_0_early_init,
3452         .sw_init = dce_v11_0_sw_init,
3453         .sw_fini = dce_v11_0_sw_fini,
3454         .hw_init = dce_v11_0_hw_init,
3455         .hw_fini = dce_v11_0_hw_fini,
3456         .suspend = dce_v11_0_suspend,
3457         .resume = dce_v11_0_resume,
3458         .is_idle = dce_v11_0_is_idle,
3459         .soft_reset = dce_v11_0_soft_reset,
3460         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3461         .set_powergating_state = dce_v11_0_set_powergating_state,
3462 };
3463
3464 static void
3465 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3466                           struct drm_display_mode *mode,
3467                           struct drm_display_mode *adjusted_mode)
3468 {
3469         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3470
3471         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3472
3473         /* need to call this here rather than in prepare() since we need some crtc info */
3474         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3475
3476         /* set scaler clears this on some chips */
3477         dce_v11_0_set_interleave(encoder->crtc, mode);
3478
3479         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3480                 dce_v11_0_afmt_enable(encoder, true);
3481                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3482         }
3483 }
3484
3485 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3486 {
3487         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3488         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3489         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3490
3491         if ((amdgpu_encoder->active_device &
3492              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3493             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3494              ENCODER_OBJECT_ID_NONE)) {
3495                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3496                 if (dig) {
3497                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3498                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3499                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3500                 }
3501         }
3502
3503         amdgpu_atombios_scratch_regs_lock(adev, true);
3504
3505         if (connector) {
3506                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3507
3508                 /* select the clock/data port if it uses a router */
3509                 if (amdgpu_connector->router.cd_valid)
3510                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3511
3512                 /* turn eDP panel on for mode set */
3513                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3514                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3515                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3516         }
3517
3518         /* this is needed for the pll/ss setup to work correctly in some cases */
3519         amdgpu_atombios_encoder_set_crtc_source(encoder);
3520         /* set up the FMT blocks */
3521         dce_v11_0_program_fmt(encoder);
3522 }
3523
3524 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3525 {
3526         struct drm_device *dev = encoder->dev;
3527         struct amdgpu_device *adev = drm_to_adev(dev);
3528
3529         /* need to call this here as we need the crtc set up */
3530         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3531         amdgpu_atombios_scratch_regs_lock(adev, false);
3532 }
3533
3534 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3535 {
3536         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3537         struct amdgpu_encoder_atom_dig *dig;
3538
3539         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3540
3541         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3542                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3543                         dce_v11_0_afmt_enable(encoder, false);
3544                 dig = amdgpu_encoder->enc_priv;
3545                 dig->dig_encoder = -1;
3546         }
3547         amdgpu_encoder->active_device = 0;
3548 }
3549
3550 /* these are handled by the primary encoders */
3551 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3552 {
3553
3554 }
3555
3556 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3557 {
3558
3559 }
3560
3561 static void
3562 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3563                       struct drm_display_mode *mode,
3564                       struct drm_display_mode *adjusted_mode)
3565 {
3566
3567 }
3568
3569 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3570 {
3571
3572 }
3573
3574 static void
3575 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3576 {
3577
3578 }
3579
3580 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3581         .dpms = dce_v11_0_ext_dpms,
3582         .prepare = dce_v11_0_ext_prepare,
3583         .mode_set = dce_v11_0_ext_mode_set,
3584         .commit = dce_v11_0_ext_commit,
3585         .disable = dce_v11_0_ext_disable,
3586         /* no detect for TMDS/LVDS yet */
3587 };
3588
3589 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3590         .dpms = amdgpu_atombios_encoder_dpms,
3591         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3592         .prepare = dce_v11_0_encoder_prepare,
3593         .mode_set = dce_v11_0_encoder_mode_set,
3594         .commit = dce_v11_0_encoder_commit,
3595         .disable = dce_v11_0_encoder_disable,
3596         .detect = amdgpu_atombios_encoder_dig_detect,
3597 };
3598
3599 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3600         .dpms = amdgpu_atombios_encoder_dpms,
3601         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3602         .prepare = dce_v11_0_encoder_prepare,
3603         .mode_set = dce_v11_0_encoder_mode_set,
3604         .commit = dce_v11_0_encoder_commit,
3605         .detect = amdgpu_atombios_encoder_dac_detect,
3606 };
3607
3608 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3609 {
3610         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3611         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3612                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3613         kfree(amdgpu_encoder->enc_priv);
3614         drm_encoder_cleanup(encoder);
3615         kfree(amdgpu_encoder);
3616 }
3617
3618 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3619         .destroy = dce_v11_0_encoder_destroy,
3620 };
3621
3622 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3623                                  uint32_t encoder_enum,
3624                                  uint32_t supported_device,
3625                                  u16 caps)
3626 {
3627         struct drm_device *dev = adev_to_drm(adev);
3628         struct drm_encoder *encoder;
3629         struct amdgpu_encoder *amdgpu_encoder;
3630
3631         /* see if we already added it */
3632         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3633                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3634                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3635                         amdgpu_encoder->devices |= supported_device;
3636                         return;
3637                 }
3638
3639         }
3640
3641         /* add a new one */
3642         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3643         if (!amdgpu_encoder)
3644                 return;
3645
3646         encoder = &amdgpu_encoder->base;
3647         switch (adev->mode_info.num_crtc) {
3648         case 1:
3649                 encoder->possible_crtcs = 0x1;
3650                 break;
3651         case 2:
3652         default:
3653                 encoder->possible_crtcs = 0x3;
3654                 break;
3655         case 3:
3656                 encoder->possible_crtcs = 0x7;
3657                 break;
3658         case 4:
3659                 encoder->possible_crtcs = 0xf;
3660                 break;
3661         case 5:
3662                 encoder->possible_crtcs = 0x1f;
3663                 break;
3664         case 6:
3665                 encoder->possible_crtcs = 0x3f;
3666                 break;
3667         }
3668
3669         amdgpu_encoder->enc_priv = NULL;
3670
3671         amdgpu_encoder->encoder_enum = encoder_enum;
3672         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3673         amdgpu_encoder->devices = supported_device;
3674         amdgpu_encoder->rmx_type = RMX_OFF;
3675         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3676         amdgpu_encoder->is_ext_encoder = false;
3677         amdgpu_encoder->caps = caps;
3678
3679         switch (amdgpu_encoder->encoder_id) {
3680         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3681         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3682                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3683                                  DRM_MODE_ENCODER_DAC, NULL);
3684                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3685                 break;
3686         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3687         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3688         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3689         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3690         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3691                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3692                         amdgpu_encoder->rmx_type = RMX_FULL;
3693                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3694                                          DRM_MODE_ENCODER_LVDS, NULL);
3695                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3696                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3697                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3698                                          DRM_MODE_ENCODER_DAC, NULL);
3699                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3700                 } else {
3701                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3702                                          DRM_MODE_ENCODER_TMDS, NULL);
3703                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3704                 }
3705                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3706                 break;
3707         case ENCODER_OBJECT_ID_SI170B:
3708         case ENCODER_OBJECT_ID_CH7303:
3709         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3710         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3711         case ENCODER_OBJECT_ID_TITFP513:
3712         case ENCODER_OBJECT_ID_VT1623:
3713         case ENCODER_OBJECT_ID_HDMI_SI1930:
3714         case ENCODER_OBJECT_ID_TRAVIS:
3715         case ENCODER_OBJECT_ID_NUTMEG:
3716                 /* these are handled by the primary encoders */
3717                 amdgpu_encoder->is_ext_encoder = true;
3718                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3719                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3720                                          DRM_MODE_ENCODER_LVDS, NULL);
3721                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3722                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3723                                          DRM_MODE_ENCODER_DAC, NULL);
3724                 else
3725                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3726                                          DRM_MODE_ENCODER_TMDS, NULL);
3727                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3728                 break;
3729         }
3730 }
3731
3732 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3733         .bandwidth_update = &dce_v11_0_bandwidth_update,
3734         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3735         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3736         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3737         .hpd_sense = &dce_v11_0_hpd_sense,
3738         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3739         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3740         .page_flip = &dce_v11_0_page_flip,
3741         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3742         .add_encoder = &dce_v11_0_encoder_add,
3743         .add_connector = &amdgpu_connector_add,
3744 };
3745
3746 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3747 {
3748         adev->mode_info.funcs = &dce_v11_0_display_funcs;
3749 }
3750
3751 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3752         .set = dce_v11_0_set_crtc_irq_state,
3753         .process = dce_v11_0_crtc_irq,
3754 };
3755
3756 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3757         .set = dce_v11_0_set_pageflip_irq_state,
3758         .process = dce_v11_0_pageflip_irq,
3759 };
3760
3761 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3762         .set = dce_v11_0_set_hpd_irq_state,
3763         .process = dce_v11_0_hpd_irq,
3764 };
3765
3766 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3767 {
3768         if (adev->mode_info.num_crtc > 0)
3769                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3770         else
3771                 adev->crtc_irq.num_types = 0;
3772         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3773
3774         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3775         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3776
3777         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3778         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3779 }
3780
3781 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3782 {
3783         .type = AMD_IP_BLOCK_TYPE_DCE,
3784         .major = 11,
3785         .minor = 0,
3786         .rev = 0,
3787         .funcs = &dce_v11_0_ip_funcs,
3788 };
3789
3790 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3791 {
3792         .type = AMD_IP_BLOCK_TYPE_DCE,
3793         .major = 11,
3794         .minor = 2,
3795         .rev = 0,
3796         .funcs = &dce_v11_0_ip_funcs,
3797 };