drivers/gpu/drm/amd/amdgpu/dce_virtual.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 #include <drm/drmP.h>
  24 #include "amdgpu.h"
  25 #include "amdgpu_pm.h"
  26 #include "amdgpu_i2c.h"
  27 #include "atom.h"
  28 #include "amdgpu_pll.h"
  29 #include "amdgpu_connectors.h"
  30 #ifdef CONFIG_DRM_AMDGPU_SI
  31 #include "dce_v6_0.h"
  32 #endif
  33 #ifdef CONFIG_DRM_AMDGPU_CIK
  34 #include "dce_v8_0.h"
  35 #endif
  36 #include "dce_v10_0.h"
  37 #include "dce_v11_0.h"
  38 #include "dce_virtual.h"
  39 #include "ivsrcid/ivsrcid_vislands30.h"
  40
  41 #define DCE_VIRTUAL_VBLANK_PERIOD 16666666
  42
  43
  44 static void dce_virtual_set_display_funcs(struct amdgpu_device *adev);
  45 static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev);
  46 static int dce_virtual_connector_encoder_init(struct amdgpu_device *adev,
  47                                               int index);
  48 static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
  49                                                         int crtc,
  50                                                         enum amdgpu_interrupt_state state);
  51
  52 static u32 dce_virtual_vblank_get_counter(struct amdgpu_device *adev, int crtc)
  53 {
  54         return 0;
  55 }
  56
  57 static void dce_virtual_page_flip(struct amdgpu_device *adev,
  58                               int crtc_id, u64 crtc_base, bool async)
  59 {
  60         return;
  61 }
  62
  63 static int dce_virtual_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
  64                                         u32 *vbl, u32 *position)
  65 {
  66         *vbl = 0;
  67         *position = 0;
  68
  69         return -EINVAL;
  70 }
  71
  72 static bool dce_virtual_hpd_sense(struct amdgpu_device *adev,
  73                                enum amdgpu_hpd_id hpd)
  74 {
  75         return true;
  76 }
  77
  78 static void dce_virtual_hpd_set_polarity(struct amdgpu_device *adev,
  79                                       enum amdgpu_hpd_id hpd)
  80 {
  81         return;
  82 }
  83
  84 static u32 dce_virtual_hpd_get_gpio_reg(struct amdgpu_device *adev)
  85 {
  86         return 0;
  87 }
  88
  89 /**
  90  * dce_virtual_bandwidth_update - program display watermarks
  91  *
  92  * @adev: amdgpu_device pointer
  93  *
  94  * Calculate and program the display watermarks and line
  95  * buffer allocation (CIK).
  96  */
  97 static void dce_virtual_bandwidth_update(struct amdgpu_device *adev)
  98 {
  99         return;
 100 }
 101
 102 static int dce_virtual_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
 103                                       u16 *green, u16 *blue, uint32_t size,
 104                                       struct drm_modeset_acquire_ctx *ctx)
 105 {
 106         return 0;
 107 }
 108
 109 static void dce_virtual_crtc_destroy(struct drm_crtc *crtc)
 110 {
 111         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 112
 113         drm_crtc_cleanup(crtc);
 114         kfree(amdgpu_crtc);
 115 }
 116
 117 static const struct drm_crtc_funcs dce_virtual_crtc_funcs = {
 118         .cursor_set2 = NULL,
 119         .cursor_move = NULL,
 120         .gamma_set = dce_virtual_crtc_gamma_set,
 121         .set_config = amdgpu_display_crtc_set_config,
 122         .destroy = dce_virtual_crtc_destroy,
 123         .page_flip_target = amdgpu_display_crtc_page_flip_target,
 124 };
 125
 126 static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode)
 127 {
 128         struct drm_device *dev = crtc->dev;
 129         struct amdgpu_device *adev = dev->dev_private;
 130         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 131         unsigned type;
 132
 133         if (amdgpu_sriov_vf(adev))
 134                 return;
 135
 136         switch (mode) {
 137         case DRM_MODE_DPMS_ON:
 138                 amdgpu_crtc->enabled = true;
 139                 /* Make sure VBLANK interrupts are still enabled */
 140                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
 141                                                 amdgpu_crtc->crtc_id);
 142                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
 143                 drm_crtc_vblank_on(crtc);
 144                 break;
 145         case DRM_MODE_DPMS_STANDBY:
 146         case DRM_MODE_DPMS_SUSPEND:
 147         case DRM_MODE_DPMS_OFF:
 148                 drm_crtc_vblank_off(crtc);
 149                 amdgpu_crtc->enabled = false;
 150                 break;
 151         }
 152 }
 153
 154
 155 static void dce_virtual_crtc_prepare(struct drm_crtc *crtc)
 156 {
 157         dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 158 }
 159
 160 static void dce_virtual_crtc_commit(struct drm_crtc *crtc)
 161 {
 162         dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
 163 }
 164
 165 static void dce_virtual_crtc_disable(struct drm_crtc *crtc)
 166 {
 167         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 168
 169         dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 170
 171         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
 172         amdgpu_crtc->encoder = NULL;
 173         amdgpu_crtc->connector = NULL;
 174 }
 175
 176 static int dce_virtual_crtc_mode_set(struct drm_crtc *crtc,
 177                                   struct drm_display_mode *mode,
 178                                   struct drm_display_mode *adjusted_mode,
 179                                   int x, int y, struct drm_framebuffer *old_fb)
 180 {
 181         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 182
 183         /* update the hw version fpr dpm */
 184         amdgpu_crtc->hw_mode = *adjusted_mode;
 185
 186         return 0;
 187 }
 188
 189 static bool dce_virtual_crtc_mode_fixup(struct drm_crtc *crtc,
 190                                      const struct drm_display_mode *mode,
 191                                      struct drm_display_mode *adjusted_mode)
 192 {
 193         return true;
 194 }
 195
 196
 197 static int dce_virtual_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 198                                   struct drm_framebuffer *old_fb)
 199 {
 200         return 0;
 201 }
 202
 203 static int dce_virtual_crtc_set_base_atomic(struct drm_crtc *crtc,
 204                                          struct drm_framebuffer *fb,
 205                                          int x, int y, enum mode_set_atomic state)
 206 {
 207         return 0;
 208 }
 209
 210 static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = {
 211         .dpms = dce_virtual_crtc_dpms,
 212         .mode_fixup = dce_virtual_crtc_mode_fixup,
 213         .mode_set = dce_virtual_crtc_mode_set,
 214         .mode_set_base = dce_virtual_crtc_set_base,
 215         .mode_set_base_atomic = dce_virtual_crtc_set_base_atomic,
 216         .prepare = dce_virtual_crtc_prepare,
 217         .commit = dce_virtual_crtc_commit,
 218         .disable = dce_virtual_crtc_disable,
 219 };
 220
 221 static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)
 222 {
 223         struct amdgpu_crtc *amdgpu_crtc;
 224
 225         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
 226                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
 227         if (amdgpu_crtc == NULL)
 228                 return -ENOMEM;
 229
 230         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_virtual_crtc_funcs);
 231
 232         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
 233         amdgpu_crtc->crtc_id = index;
 234         adev->mode_info.crtcs[index] = amdgpu_crtc;
 235
 236         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
 237         amdgpu_crtc->encoder = NULL;
 238         amdgpu_crtc->connector = NULL;
 239         amdgpu_crtc->vsync_timer_enabled = AMDGPU_IRQ_STATE_DISABLE;
 240         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_virtual_crtc_helper_funcs);
 241
 242         return 0;
 243 }
 244
 245 static int dce_virtual_early_init(void *handle)
 246 {
 247         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 248
 249         dce_virtual_set_display_funcs(adev);
 250         dce_virtual_set_irq_funcs(adev);
 251
 252         adev->mode_info.num_hpd = 1;
 253         adev->mode_info.num_dig = 1;
 254         return 0;
 255 }
 256
 257 static struct drm_encoder *
 258 dce_virtual_encoder(struct drm_connector *connector)
 259 {
 260         struct drm_encoder *encoder;
 261         int i;
 262
 263         drm_connector_for_each_possible_encoder(connector, encoder, i) {
 264                 if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL)
 265                         return encoder;
 266         }
 267
 268         /* pick the first one */
 269         drm_connector_for_each_possible_encoder(connector, encoder, i)
 270                 return encoder;
 271
 272         return NULL;
 273 }
 274
 275 static int dce_virtual_get_modes(struct drm_connector *connector)
 276 {
 277         struct drm_device *dev = connector->dev;
 278         struct drm_display_mode *mode = NULL;
 279         unsigned i;
 280         static const struct mode_size {
 281                 int w;
 282                 int h;
 283         } common_modes[17] = {
 284                 { 640,  480},
 285                 { 720,  480},
 286                 { 800,  600},
 287                 { 848,  480},
 288                 {1024,  768},
 289                 {1152,  768},
 290                 {1280,  720},
 291                 {1280,  800},
 292                 {1280,  854},
 293                 {1280,  960},
 294                 {1280, 1024},
 295                 {1440,  900},
 296                 {1400, 1050},
 297                 {1680, 1050},
 298                 {1600, 1200},
 299                 {1920, 1080},
 300                 {1920, 1200}
 301         };
 302
 303         for (i = 0; i < 17; i++) {
 304                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
 305                 drm_mode_probed_add(connector, mode);
 306         }
 307
 308         return 0;
 309 }
 310
 311 static enum drm_mode_status dce_virtual_mode_valid(struct drm_connector *connector,
 312                                   struct drm_display_mode *mode)
 313 {
 314         return MODE_OK;
 315 }
 316
 317 static int
 318 dce_virtual_dpms(struct drm_connector *connector, int mode)
 319 {
 320         return 0;
 321 }
 322
 323 static int
 324 dce_virtual_set_property(struct drm_connector *connector,
 325                          struct drm_property *property,
 326                          uint64_t val)
 327 {
 328         return 0;
 329 }
 330
 331 static void dce_virtual_destroy(struct drm_connector *connector)
 332 {
 333         drm_connector_unregister(connector);
 334         drm_connector_cleanup(connector);
 335         kfree(connector);
 336 }
 337
 338 static void dce_virtual_force(struct drm_connector *connector)
 339 {
 340         return;
 341 }
 342
 343 static const struct drm_connector_helper_funcs dce_virtual_connector_helper_funcs = {
 344         .get_modes = dce_virtual_get_modes,
 345         .mode_valid = dce_virtual_mode_valid,
 346         .best_encoder = dce_virtual_encoder,
 347 };
 348
 349 static const struct drm_connector_funcs dce_virtual_connector_funcs = {
 350         .dpms = dce_virtual_dpms,
 351         .fill_modes = drm_helper_probe_single_connector_modes,
 352         .set_property = dce_virtual_set_property,
 353         .destroy = dce_virtual_destroy,
 354         .force = dce_virtual_force,
 355 };
 356
 357 static int dce_virtual_sw_init(void *handle)
 358 {
 359         int r, i;
 360         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 361
 362         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_SMU_DISP_TIMER2_TRIGGER, &adev->crtc_irq);
 363         if (r)
 364                 return r;
 365
 366         adev->ddev->max_vblank_count = 0;
 367
 368         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
 369
 370         adev->ddev->mode_config.max_width = 16384;
 371         adev->ddev->mode_config.max_height = 16384;
 372
 373         adev->ddev->mode_config.preferred_depth = 24;
 374         adev->ddev->mode_config.prefer_shadow = 1;
 375
 376         adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
 377
 378         r = amdgpu_display_modeset_create_props(adev);
 379         if (r)
 380                 return r;
 381
 382         adev->ddev->mode_config.max_width = 16384;
 383         adev->ddev->mode_config.max_height = 16384;
 384
 385         /* allocate crtcs, encoders, connectors */
 386         for (i = 0; i < adev->mode_info.num_crtc; i++) {
 387                 r = dce_virtual_crtc_init(adev, i);
 388                 if (r)
 389                         return r;
 390                 r = dce_virtual_connector_encoder_init(adev, i);
 391                 if (r)
 392                         return r;
 393         }
 394
 395         drm_kms_helper_poll_init(adev->ddev);
 396
 397         adev->mode_info.mode_config_initialized = true;
 398         return 0;
 399 }
 400
 401 static int dce_virtual_sw_fini(void *handle)
 402 {
 403         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 404
 405         kfree(adev->mode_info.bios_hardcoded_edid);
 406
 407         drm_kms_helper_poll_fini(adev->ddev);
 408
 409         drm_mode_config_cleanup(adev->ddev);
 410         /* clear crtcs pointer to avoid dce irq finish routine access freed data */
 411         memset(adev->mode_info.crtcs, 0, sizeof(adev->mode_info.crtcs[0]) * AMDGPU_MAX_CRTCS);
 412         adev->mode_info.mode_config_initialized = false;
 413         return 0;
 414 }
 415
 416 static int dce_virtual_hw_init(void *handle)
 417 {
 418         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 419
 420         switch (adev->asic_type) {
 421 #ifdef CONFIG_DRM_AMDGPU_SI
 422         case CHIP_TAHITI:
 423         case CHIP_PITCAIRN:
 424         case CHIP_VERDE:
 425         case CHIP_OLAND:
 426                 dce_v6_0_disable_dce(adev);
 427                 break;
 428 #endif
 429 #ifdef CONFIG_DRM_AMDGPU_CIK
 430         case CHIP_BONAIRE:
 431         case CHIP_HAWAII:
 432         case CHIP_KAVERI:
 433         case CHIP_KABINI:
 434         case CHIP_MULLINS:
 435                 dce_v8_0_disable_dce(adev);
 436                 break;
 437 #endif
 438         case CHIP_FIJI:
 439         case CHIP_TONGA:
 440                 dce_v10_0_disable_dce(adev);
 441                 break;
 442         case CHIP_CARRIZO:
 443         case CHIP_STONEY:
 444         case CHIP_POLARIS10:
 445         case CHIP_POLARIS11:
 446         case CHIP_VEGAM:
 447                 dce_v11_0_disable_dce(adev);
 448                 break;
 449         case CHIP_TOPAZ:
 450 #ifdef CONFIG_DRM_AMDGPU_SI
 451         case CHIP_HAINAN:
 452 #endif
 453                 /* no DCE */
 454                 break;
 455         case CHIP_VEGA10:
 456         case CHIP_VEGA12:
 457         case CHIP_VEGA20:
 458         case CHIP_NAVI10:
 459                 break;
 460         default:
 461                 DRM_ERROR("Virtual display unsupported ASIC type: 0x%X\n", adev->asic_type);
 462         }
 463         return 0;
 464 }
 465
 466 static int dce_virtual_hw_fini(void *handle)
 467 {
 468         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 469         int i = 0;
 470
 471         for (i = 0; i<adev->mode_info.num_crtc; i++)
 472                 if (adev->mode_info.crtcs[i])
 473                         dce_virtual_set_crtc_vblank_interrupt_state(adev, i, AMDGPU_IRQ_STATE_DISABLE);
 474
 475         return 0;
 476 }
 477
 478 static int dce_virtual_suspend(void *handle)
 479 {
 480         return dce_virtual_hw_fini(handle);
 481 }
 482
 483 static int dce_virtual_resume(void *handle)
 484 {
 485         return dce_virtual_hw_init(handle);
 486 }
 487
 488 static bool dce_virtual_is_idle(void *handle)
 489 {
 490         return true;
 491 }
 492
 493 static int dce_virtual_wait_for_idle(void *handle)
 494 {
 495         return 0;
 496 }
 497
 498 static int dce_virtual_soft_reset(void *handle)
 499 {
 500         return 0;
 501 }
 502
 503 static int dce_virtual_set_clockgating_state(void *handle,
 504                                           enum amd_clockgating_state state)
 505 {
 506         return 0;
 507 }
 508
 509 static int dce_virtual_set_powergating_state(void *handle,
 510                                           enum amd_powergating_state state)
 511 {
 512         return 0;
 513 }
 514
 515 static const struct amd_ip_funcs dce_virtual_ip_funcs = {
 516         .name = "dce_virtual",
 517         .early_init = dce_virtual_early_init,
 518         .late_init = NULL,
 519         .sw_init = dce_virtual_sw_init,
 520         .sw_fini = dce_virtual_sw_fini,
 521         .hw_init = dce_virtual_hw_init,
 522         .hw_fini = dce_virtual_hw_fini,
 523         .suspend = dce_virtual_suspend,
 524         .resume = dce_virtual_resume,
 525         .is_idle = dce_virtual_is_idle,
 526         .wait_for_idle = dce_virtual_wait_for_idle,
 527         .soft_reset = dce_virtual_soft_reset,
 528         .set_clockgating_state = dce_virtual_set_clockgating_state,
 529         .set_powergating_state = dce_virtual_set_powergating_state,
 530 };
 531
 532 /* these are handled by the primary encoders */
 533 static void dce_virtual_encoder_prepare(struct drm_encoder *encoder)
 534 {
 535         return;
 536 }
 537
 538 static void dce_virtual_encoder_commit(struct drm_encoder *encoder)
 539 {
 540         return;
 541 }
 542
 543 static void
 544 dce_virtual_encoder_mode_set(struct drm_encoder *encoder,
 545                              struct drm_display_mode *mode,
 546                              struct drm_display_mode *adjusted_mode)
 547 {
 548         return;
 549 }
 550
 551 static void dce_virtual_encoder_disable(struct drm_encoder *encoder)
 552 {
 553         return;
 554 }
 555
 556 static void
 557 dce_virtual_encoder_dpms(struct drm_encoder *encoder, int mode)
 558 {
 559         return;
 560 }
 561
 562 static bool dce_virtual_encoder_mode_fixup(struct drm_encoder *encoder,
 563                                     const struct drm_display_mode *mode,
 564                                     struct drm_display_mode *adjusted_mode)
 565 {
 566         return true;
 567 }
 568
 569 static const struct drm_encoder_helper_funcs dce_virtual_encoder_helper_funcs = {
 570         .dpms = dce_virtual_encoder_dpms,
 571         .mode_fixup = dce_virtual_encoder_mode_fixup,
 572         .prepare = dce_virtual_encoder_prepare,
 573         .mode_set = dce_virtual_encoder_mode_set,
 574         .commit = dce_virtual_encoder_commit,
 575         .disable = dce_virtual_encoder_disable,
 576 };
 577
 578 static void dce_virtual_encoder_destroy(struct drm_encoder *encoder)
 579 {
 580         drm_encoder_cleanup(encoder);
 581         kfree(encoder);
 582 }
 583
 584 static const struct drm_encoder_funcs dce_virtual_encoder_funcs = {
 585         .destroy = dce_virtual_encoder_destroy,
 586 };
 587
 588 static int dce_virtual_connector_encoder_init(struct amdgpu_device *adev,
 589                                               int index)
 590 {
 591         struct drm_encoder *encoder;
 592         struct drm_connector *connector;
 593
 594         /* add a new encoder */
 595         encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
 596         if (!encoder)
 597                 return -ENOMEM;
 598         encoder->possible_crtcs = 1 << index;
 599         drm_encoder_init(adev->ddev, encoder, &dce_virtual_encoder_funcs,
 600                          DRM_MODE_ENCODER_VIRTUAL, NULL);
 601         drm_encoder_helper_add(encoder, &dce_virtual_encoder_helper_funcs);
 602
 603         connector = kzalloc(sizeof(struct drm_connector), GFP_KERNEL);
 604         if (!connector) {
 605                 kfree(encoder);
 606                 return -ENOMEM;
 607         }
 608
 609         /* add a new connector */
 610         drm_connector_init(adev->ddev, connector, &dce_virtual_connector_funcs,
 611                            DRM_MODE_CONNECTOR_VIRTUAL);
 612         drm_connector_helper_add(connector, &dce_virtual_connector_helper_funcs);
 613         connector->display_info.subpixel_order = SubPixelHorizontalRGB;
 614         connector->interlace_allowed = false;
 615         connector->doublescan_allowed = false;
 616         drm_connector_register(connector);
 617
 618         /* link them */
 619         drm_connector_attach_encoder(connector, encoder);
 620
 621         return 0;
 622 }
 623
 624 static const struct amdgpu_display_funcs dce_virtual_display_funcs = {
 625         .bandwidth_update = &dce_virtual_bandwidth_update,
 626         .vblank_get_counter = &dce_virtual_vblank_get_counter,
 627         .backlight_set_level = NULL,
 628         .backlight_get_level = NULL,
 629         .hpd_sense = &dce_virtual_hpd_sense,
 630         .hpd_set_polarity = &dce_virtual_hpd_set_polarity,
 631         .hpd_get_gpio_reg = &dce_virtual_hpd_get_gpio_reg,
 632         .page_flip = &dce_virtual_page_flip,
 633         .page_flip_get_scanoutpos = &dce_virtual_crtc_get_scanoutpos,
 634         .add_encoder = NULL,
 635         .add_connector = NULL,
 636 };
 637
 638 static void dce_virtual_set_display_funcs(struct amdgpu_device *adev)
 639 {
 640         adev->mode_info.funcs = &dce_virtual_display_funcs;
 641 }
 642
 643 static int dce_virtual_pageflip(struct amdgpu_device *adev,
 644                                 unsigned crtc_id)
 645 {
 646         unsigned long flags;
 647         struct amdgpu_crtc *amdgpu_crtc;
 648         struct amdgpu_flip_work *works;
 649
 650         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 651
 652         if (crtc_id >= adev->mode_info.num_crtc) {
 653                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
 654                 return -EINVAL;
 655         }
 656
 657         /* IRQ could occur when in initial stage */
 658         if (amdgpu_crtc == NULL)
 659                 return 0;
 660
 661         spin_lock_irqsave(&adev->ddev->event_lock, flags);
 662         works = amdgpu_crtc->pflip_works;
 663         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
 664                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
 665                         "AMDGPU_FLIP_SUBMITTED(%d)\n",
 666                         amdgpu_crtc->pflip_status,
 667                         AMDGPU_FLIP_SUBMITTED);
 668                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
 669                 return 0;
 670         }
 671
 672         /* page flip completed. clean up */
 673         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
 674         amdgpu_crtc->pflip_works = NULL;
 675
 676         /* wakeup usersapce */
 677         if (works->event)
 678                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
 679
 680         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
 681
 682         drm_crtc_vblank_put(&amdgpu_crtc->base);
 683         amdgpu_bo_unref(&works->old_abo);
 684         kfree(works->shared);
 685         kfree(works);
 686
 687         return 0;
 688 }
 689
 690 static enum hrtimer_restart dce_virtual_vblank_timer_handle(struct hrtimer *vblank_timer)
 691 {
 692         struct amdgpu_crtc *amdgpu_crtc = container_of(vblank_timer,
 693                                                        struct amdgpu_crtc, vblank_timer);
 694         struct drm_device *ddev = amdgpu_crtc->base.dev;
 695         struct amdgpu_device *adev = ddev->dev_private;
 696
 697         drm_handle_vblank(ddev, amdgpu_crtc->crtc_id);
 698         dce_virtual_pageflip(adev, amdgpu_crtc->crtc_id);
 699         hrtimer_start(vblank_timer, DCE_VIRTUAL_VBLANK_PERIOD,
 700                       HRTIMER_MODE_REL);
 701
 702         return HRTIMER_NORESTART;
 703 }
 704
 705 static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
 706                                                         int crtc,
 707                                                         enum amdgpu_interrupt_state state)
 708 {
 709         if (crtc >= adev->mode_info.num_crtc || !adev->mode_info.crtcs[crtc]) {
 710                 DRM_DEBUG("invalid crtc %d\n", crtc);
 711                 return;
 712         }
 713
 714         if (state && !adev->mode_info.crtcs[crtc]->vsync_timer_enabled) {
 715                 DRM_DEBUG("Enable software vsync timer\n");
 716                 hrtimer_init(&adev->mode_info.crtcs[crtc]->vblank_timer,
 717                              CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 718                 hrtimer_set_expires(&adev->mode_info.crtcs[crtc]->vblank_timer,
 719                                     DCE_VIRTUAL_VBLANK_PERIOD);
 720                 adev->mode_info.crtcs[crtc]->vblank_timer.function =
 721                         dce_virtual_vblank_timer_handle;
 722                 hrtimer_start(&adev->mode_info.crtcs[crtc]->vblank_timer,
 723                               DCE_VIRTUAL_VBLANK_PERIOD, HRTIMER_MODE_REL);
 724         } else if (!state && adev->mode_info.crtcs[crtc]->vsync_timer_enabled) {
 725                 DRM_DEBUG("Disable software vsync timer\n");
 726                 hrtimer_cancel(&adev->mode_info.crtcs[crtc]->vblank_timer);
 727         }
 728
 729         adev->mode_info.crtcs[crtc]->vsync_timer_enabled = state;
 730         DRM_DEBUG("[FM]set crtc %d vblank interrupt state %d\n", crtc, state);
 731 }
 732
 733
 734 static int dce_virtual_set_crtc_irq_state(struct amdgpu_device *adev,
 735                                           struct amdgpu_irq_src *source,
 736                                           unsigned type,
 737                                           enum amdgpu_interrupt_state state)
 738 {
 739         if (type > AMDGPU_CRTC_IRQ_VBLANK6)
 740                 return -EINVAL;
 741
 742         dce_virtual_set_crtc_vblank_interrupt_state(adev, type, state);
 743
 744         return 0;
 745 }
 746
 747 static const struct amdgpu_irq_src_funcs dce_virtual_crtc_irq_funcs = {
 748         .set = dce_virtual_set_crtc_irq_state,
 749         .process = NULL,
 750 };
 751
 752 static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev)
 753 {
 754         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VBLANK6 + 1;
 755         adev->crtc_irq.funcs = &dce_virtual_crtc_irq_funcs;
 756 }
 757
 758 const struct amdgpu_ip_block_version dce_virtual_ip_block =
 759 {
 760         .type = AMD_IP_BLOCK_TYPE_DCE,
 761         .major = 1,
 762         .minor = 0,
 763         .rev = 0,
 764         .funcs = &dce_virtual_ip_funcs,
 765 };