drivers/gpu/drm/i915/intel_sprite.c

   1 /*
   2  * Copyright © 2011 Intel Corporation
   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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *   Jesse Barnes <jbarnes@virtuousgeek.org>
  25  *
  26  * New plane/sprite handling.
  27  *
  28  * The older chips had a separate interface for programming plane related
  29  * registers; newer ones are much simpler and we can use the new DRM plane
  30  * support.
  31  */
  32 #include <drm/drmP.h>
  33 #include <drm/drm_crtc.h>
  34 #include <drm/drm_fourcc.h>
  35 #include "intel_drv.h"
  36 #include <drm/i915_drm.h>
  37 #include "i915_drv.h"
  38
  39 static void
  40 ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
  41                  struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
  42                  unsigned int crtc_w, unsigned int crtc_h,
  43                  uint32_t x, uint32_t y,
  44                  uint32_t src_w, uint32_t src_h)
  45 {
  46         struct drm_device *dev = plane->dev;
  47         struct drm_i915_private *dev_priv = dev->dev_private;
  48         struct intel_plane *intel_plane = to_intel_plane(plane);
  49         int pipe = intel_plane->pipe;
  50         u32 sprctl, sprscale = 0;
  51         unsigned long sprsurf_offset, linear_offset;
  52         int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
  53
  54         sprctl = I915_READ(SPRCTL(pipe));
  55
  56         /* Mask out pixel format bits in case we change it */
  57         sprctl &= ~SPRITE_PIXFORMAT_MASK;
  58         sprctl &= ~SPRITE_RGB_ORDER_RGBX;
  59         sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
  60         sprctl &= ~SPRITE_TILED;
  61
  62         switch (fb->pixel_format) {
  63         case DRM_FORMAT_XBGR8888:
  64                 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
  65                 break;
  66         case DRM_FORMAT_XRGB8888:
  67                 sprctl |= SPRITE_FORMAT_RGBX888;
  68                 break;
  69         case DRM_FORMAT_YUYV:
  70                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
  71                 break;
  72         case DRM_FORMAT_YVYU:
  73                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
  74                 break;
  75         case DRM_FORMAT_UYVY:
  76                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
  77                 break;
  78         case DRM_FORMAT_VYUY:
  79                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
  80                 break;
  81         default:
  82                 BUG();
  83         }
  84
  85         if (obj->tiling_mode != I915_TILING_NONE)
  86                 sprctl |= SPRITE_TILED;
  87
  88         /* must disable */
  89         sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
  90         sprctl |= SPRITE_ENABLE;
  91
  92         /* Sizes are 0 based */
  93         src_w--;
  94         src_h--;
  95         crtc_w--;
  96         crtc_h--;
  97
  98         intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
  99
 100         /*
 101          * IVB workaround: must disable low power watermarks for at least
 102          * one frame before enabling scaling.  LP watermarks can be re-enabled
 103          * when scaling is disabled.
 104          */
 105         if (crtc_w != src_w || crtc_h != src_h) {
 106                 if (!dev_priv->sprite_scaling_enabled) {
 107                         dev_priv->sprite_scaling_enabled = true;
 108                         intel_update_watermarks(dev);
 109                         intel_wait_for_vblank(dev, pipe);
 110                 }
 111                 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 112         } else {
 113                 if (dev_priv->sprite_scaling_enabled) {
 114                         dev_priv->sprite_scaling_enabled = false;
 115                         /* potentially re-enable LP watermarks */
 116                         intel_update_watermarks(dev);
 117                 }
 118         }
 119
 120         I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
 121         I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 122
 123         linear_offset = y * fb->pitches[0] + x * pixel_size;
 124         sprsurf_offset =
 125                 intel_gen4_compute_offset_xtiled(&x, &y,
 126                                                  pixel_size, fb->pitches[0]);
 127         linear_offset -= sprsurf_offset;
 128
 129         /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
 130          * register */
 131         if (IS_HASWELL(dev))
 132                 I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
 133         else if (obj->tiling_mode != I915_TILING_NONE)
 134                 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
 135         else
 136                 I915_WRITE(SPRLINOFF(pipe), linear_offset);
 137
 138         I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 139         if (intel_plane->can_scale)
 140                 I915_WRITE(SPRSCALE(pipe), sprscale);
 141         I915_WRITE(SPRCTL(pipe), sprctl);
 142         I915_MODIFY_DISPBASE(SPRSURF(pipe), obj->gtt_offset + sprsurf_offset);
 143         POSTING_READ(SPRSURF(pipe));
 144 }
 145
 146 static void
 147 ivb_disable_plane(struct drm_plane *plane)
 148 {
 149         struct drm_device *dev = plane->dev;
 150         struct drm_i915_private *dev_priv = dev->dev_private;
 151         struct intel_plane *intel_plane = to_intel_plane(plane);
 152         int pipe = intel_plane->pipe;
 153
 154         I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
 155         /* Can't leave the scaler enabled... */
 156         if (intel_plane->can_scale)
 157                 I915_WRITE(SPRSCALE(pipe), 0);
 158         /* Activate double buffered register update */
 159         I915_MODIFY_DISPBASE(SPRSURF(pipe), 0);
 160         POSTING_READ(SPRSURF(pipe));
 161
 162         dev_priv->sprite_scaling_enabled = false;
 163         intel_update_watermarks(dev);
 164 }
 165
 166 static int
 167 ivb_update_colorkey(struct drm_plane *plane,
 168                     struct drm_intel_sprite_colorkey *key)
 169 {
 170         struct drm_device *dev = plane->dev;
 171         struct drm_i915_private *dev_priv = dev->dev_private;
 172         struct intel_plane *intel_plane;
 173         u32 sprctl;
 174         int ret = 0;
 175
 176         intel_plane = to_intel_plane(plane);
 177
 178         I915_WRITE(SPRKEYVAL(intel_plane->pipe), key->min_value);
 179         I915_WRITE(SPRKEYMAX(intel_plane->pipe), key->max_value);
 180         I915_WRITE(SPRKEYMSK(intel_plane->pipe), key->channel_mask);
 181
 182         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 183         sprctl &= ~(SPRITE_SOURCE_KEY | SPRITE_DEST_KEY);
 184         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 185                 sprctl |= SPRITE_DEST_KEY;
 186         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 187                 sprctl |= SPRITE_SOURCE_KEY;
 188         I915_WRITE(SPRCTL(intel_plane->pipe), sprctl);
 189
 190         POSTING_READ(SPRKEYMSK(intel_plane->pipe));
 191
 192         return ret;
 193 }
 194
 195 static void
 196 ivb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
 197 {
 198         struct drm_device *dev = plane->dev;
 199         struct drm_i915_private *dev_priv = dev->dev_private;
 200         struct intel_plane *intel_plane;
 201         u32 sprctl;
 202
 203         intel_plane = to_intel_plane(plane);
 204
 205         key->min_value = I915_READ(SPRKEYVAL(intel_plane->pipe));
 206         key->max_value = I915_READ(SPRKEYMAX(intel_plane->pipe));
 207         key->channel_mask = I915_READ(SPRKEYMSK(intel_plane->pipe));
 208         key->flags = 0;
 209
 210         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 211
 212         if (sprctl & SPRITE_DEST_KEY)
 213                 key->flags = I915_SET_COLORKEY_DESTINATION;
 214         else if (sprctl & SPRITE_SOURCE_KEY)
 215                 key->flags = I915_SET_COLORKEY_SOURCE;
 216         else
 217                 key->flags = I915_SET_COLORKEY_NONE;
 218 }
 219
 220 static void
 221 ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 222                  struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
 223                  unsigned int crtc_w, unsigned int crtc_h,
 224                  uint32_t x, uint32_t y,
 225                  uint32_t src_w, uint32_t src_h)
 226 {
 227         struct drm_device *dev = plane->dev;
 228         struct drm_i915_private *dev_priv = dev->dev_private;
 229         struct intel_plane *intel_plane = to_intel_plane(plane);
 230         int pipe = intel_plane->pipe;
 231         unsigned long dvssurf_offset, linear_offset;
 232         u32 dvscntr, dvsscale;
 233         int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 234
 235         dvscntr = I915_READ(DVSCNTR(pipe));
 236
 237         /* Mask out pixel format bits in case we change it */
 238         dvscntr &= ~DVS_PIXFORMAT_MASK;
 239         dvscntr &= ~DVS_RGB_ORDER_XBGR;
 240         dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK;
 241         dvscntr &= ~DVS_TILED;
 242
 243         switch (fb->pixel_format) {
 244         case DRM_FORMAT_XBGR8888:
 245                 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 246                 break;
 247         case DRM_FORMAT_XRGB8888:
 248                 dvscntr |= DVS_FORMAT_RGBX888;
 249                 break;
 250         case DRM_FORMAT_YUYV:
 251                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
 252                 break;
 253         case DRM_FORMAT_YVYU:
 254                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
 255                 break;
 256         case DRM_FORMAT_UYVY:
 257                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
 258                 break;
 259         case DRM_FORMAT_VYUY:
 260                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
 261                 break;
 262         default:
 263                 BUG();
 264         }
 265
 266         if (obj->tiling_mode != I915_TILING_NONE)
 267                 dvscntr |= DVS_TILED;
 268
 269         if (IS_GEN6(dev))
 270                 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
 271         dvscntr |= DVS_ENABLE;
 272
 273         /* Sizes are 0 based */
 274         src_w--;
 275         src_h--;
 276         crtc_w--;
 277         crtc_h--;
 278
 279         intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
 280
 281         dvsscale = 0;
 282         if (IS_GEN5(dev) || crtc_w != src_w || crtc_h != src_h)
 283                 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 284
 285         I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
 286         I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
 287
 288         linear_offset = y * fb->pitches[0] + x * pixel_size;
 289         dvssurf_offset =
 290                 intel_gen4_compute_offset_xtiled(&x, &y,
 291                                                  pixel_size, fb->pitches[0]);
 292         linear_offset -= dvssurf_offset;
 293
 294         if (obj->tiling_mode != I915_TILING_NONE)
 295                 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
 296         else
 297                 I915_WRITE(DVSLINOFF(pipe), linear_offset);
 298
 299         I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
 300         I915_WRITE(DVSSCALE(pipe), dvsscale);
 301         I915_WRITE(DVSCNTR(pipe), dvscntr);
 302         I915_MODIFY_DISPBASE(DVSSURF(pipe), obj->gtt_offset + dvssurf_offset);
 303         POSTING_READ(DVSSURF(pipe));
 304 }
 305
 306 static void
 307 ilk_disable_plane(struct drm_plane *plane)
 308 {
 309         struct drm_device *dev = plane->dev;
 310         struct drm_i915_private *dev_priv = dev->dev_private;
 311         struct intel_plane *intel_plane = to_intel_plane(plane);
 312         int pipe = intel_plane->pipe;
 313
 314         I915_WRITE(DVSCNTR(pipe), I915_READ(DVSCNTR(pipe)) & ~DVS_ENABLE);
 315         /* Disable the scaler */
 316         I915_WRITE(DVSSCALE(pipe), 0);
 317         /* Flush double buffered register updates */
 318         I915_MODIFY_DISPBASE(DVSSURF(pipe), 0);
 319         POSTING_READ(DVSSURF(pipe));
 320 }
 321
 322 static void
 323 intel_enable_primary(struct drm_crtc *crtc)
 324 {
 325         struct drm_device *dev = crtc->dev;
 326         struct drm_i915_private *dev_priv = dev->dev_private;
 327         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 328         int reg = DSPCNTR(intel_crtc->plane);
 329
 330         if (!intel_crtc->primary_disabled)
 331                 return;
 332
 333         intel_crtc->primary_disabled = false;
 334         intel_update_fbc(dev);
 335
 336         I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
 337 }
 338
 339 static void
 340 intel_disable_primary(struct drm_crtc *crtc)
 341 {
 342         struct drm_device *dev = crtc->dev;
 343         struct drm_i915_private *dev_priv = dev->dev_private;
 344         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 345         int reg = DSPCNTR(intel_crtc->plane);
 346
 347         if (intel_crtc->primary_disabled)
 348                 return;
 349
 350         I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
 351
 352         intel_crtc->primary_disabled = true;
 353         intel_update_fbc(dev);
 354 }
 355
 356 static int
 357 ilk_update_colorkey(struct drm_plane *plane,
 358                     struct drm_intel_sprite_colorkey *key)
 359 {
 360         struct drm_device *dev = plane->dev;
 361         struct drm_i915_private *dev_priv = dev->dev_private;
 362         struct intel_plane *intel_plane;
 363         u32 dvscntr;
 364         int ret = 0;
 365
 366         intel_plane = to_intel_plane(plane);
 367
 368         I915_WRITE(DVSKEYVAL(intel_plane->pipe), key->min_value);
 369         I915_WRITE(DVSKEYMAX(intel_plane->pipe), key->max_value);
 370         I915_WRITE(DVSKEYMSK(intel_plane->pipe), key->channel_mask);
 371
 372         dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
 373         dvscntr &= ~(DVS_SOURCE_KEY | DVS_DEST_KEY);
 374         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 375                 dvscntr |= DVS_DEST_KEY;
 376         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 377                 dvscntr |= DVS_SOURCE_KEY;
 378         I915_WRITE(DVSCNTR(intel_plane->pipe), dvscntr);
 379
 380         POSTING_READ(DVSKEYMSK(intel_plane->pipe));
 381
 382         return ret;
 383 }
 384
 385 static void
 386 ilk_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
 387 {
 388         struct drm_device *dev = plane->dev;
 389         struct drm_i915_private *dev_priv = dev->dev_private;
 390         struct intel_plane *intel_plane;
 391         u32 dvscntr;
 392
 393         intel_plane = to_intel_plane(plane);
 394
 395         key->min_value = I915_READ(DVSKEYVAL(intel_plane->pipe));
 396         key->max_value = I915_READ(DVSKEYMAX(intel_plane->pipe));
 397         key->channel_mask = I915_READ(DVSKEYMSK(intel_plane->pipe));
 398         key->flags = 0;
 399
 400         dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
 401
 402         if (dvscntr & DVS_DEST_KEY)
 403                 key->flags = I915_SET_COLORKEY_DESTINATION;
 404         else if (dvscntr & DVS_SOURCE_KEY)
 405                 key->flags = I915_SET_COLORKEY_SOURCE;
 406         else
 407                 key->flags = I915_SET_COLORKEY_NONE;
 408 }
 409
 410 static int
 411 intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 412                    struct drm_framebuffer *fb, int crtc_x, int crtc_y,
 413                    unsigned int crtc_w, unsigned int crtc_h,
 414                    uint32_t src_x, uint32_t src_y,
 415                    uint32_t src_w, uint32_t src_h)
 416 {
 417         struct drm_device *dev = plane->dev;
 418         struct drm_i915_private *dev_priv = dev->dev_private;
 419         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 420         struct intel_plane *intel_plane = to_intel_plane(plane);
 421         struct intel_framebuffer *intel_fb;
 422         struct drm_i915_gem_object *obj, *old_obj;
 423         int pipe = intel_plane->pipe;
 424         enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
 425                                                                       pipe);
 426         int ret = 0;
 427         int x = src_x >> 16, y = src_y >> 16;
 428         int primary_w = crtc->mode.hdisplay, primary_h = crtc->mode.vdisplay;
 429         bool disable_primary = false;
 430
 431         intel_fb = to_intel_framebuffer(fb);
 432         obj = intel_fb->obj;
 433
 434         old_obj = intel_plane->obj;
 435
 436         src_w = src_w >> 16;
 437         src_h = src_h >> 16;
 438
 439         /* Pipe must be running... */
 440         if (!(I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE))
 441                 return -EINVAL;
 442
 443         if (crtc_x >= primary_w || crtc_y >= primary_h)
 444                 return -EINVAL;
 445
 446         /* Don't modify another pipe's plane */
 447         if (intel_plane->pipe != intel_crtc->pipe)
 448                 return -EINVAL;
 449
 450         /* Sprite planes can be linear or x-tiled surfaces */
 451         switch (obj->tiling_mode) {
 452                 case I915_TILING_NONE:
 453                 case I915_TILING_X:
 454                         break;
 455                 default:
 456                         return -EINVAL;
 457         }
 458
 459         /*
 460          * Clamp the width & height into the visible area.  Note we don't
 461          * try to scale the source if part of the visible region is offscreen.
 462          * The caller must handle that by adjusting source offset and size.
 463          */
 464         if ((crtc_x < 0) && ((crtc_x + crtc_w) > 0)) {
 465                 crtc_w += crtc_x;
 466                 crtc_x = 0;
 467         }
 468         if ((crtc_x + crtc_w) <= 0) /* Nothing to display */
 469                 goto out;
 470         if ((crtc_x + crtc_w) > primary_w)
 471                 crtc_w = primary_w - crtc_x;
 472
 473         if ((crtc_y < 0) && ((crtc_y + crtc_h) > 0)) {
 474                 crtc_h += crtc_y;
 475                 crtc_y = 0;
 476         }
 477         if ((crtc_y + crtc_h) <= 0) /* Nothing to display */
 478                 goto out;
 479         if (crtc_y + crtc_h > primary_h)
 480                 crtc_h = primary_h - crtc_y;
 481
 482         if (!crtc_w || !crtc_h) /* Again, nothing to display */
 483                 goto out;
 484
 485         /*
 486          * We may not have a scaler, eg. HSW does not have it any more
 487          */
 488         if (!intel_plane->can_scale && (crtc_w != src_w || crtc_h != src_h))
 489                 return -EINVAL;
 490
 491         /*
 492          * We can take a larger source and scale it down, but
 493          * only so much...  16x is the max on SNB.
 494          */
 495         if (((src_w * src_h) / (crtc_w * crtc_h)) > intel_plane->max_downscale)
 496                 return -EINVAL;
 497
 498         /*
 499          * If the sprite is completely covering the primary plane,
 500          * we can disable the primary and save power.
 501          */
 502         if ((crtc_x == 0) && (crtc_y == 0) &&
 503             (crtc_w == primary_w) && (crtc_h == primary_h))
 504                 disable_primary = true;
 505
 506         mutex_lock(&dev->struct_mutex);
 507
 508         ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
 509         if (ret)
 510                 goto out_unlock;
 511
 512         intel_plane->obj = obj;
 513
 514         /*
 515          * Be sure to re-enable the primary before the sprite is no longer
 516          * covering it fully.
 517          */
 518         if (!disable_primary)
 519                 intel_enable_primary(crtc);
 520
 521         intel_plane->update_plane(plane, fb, obj, crtc_x, crtc_y,
 522                                   crtc_w, crtc_h, x, y, src_w, src_h);
 523
 524         if (disable_primary)
 525                 intel_disable_primary(crtc);
 526
 527         /* Unpin old obj after new one is active to avoid ugliness */
 528         if (old_obj) {
 529                 /*
 530                  * It's fairly common to simply update the position of
 531                  * an existing object.  In that case, we don't need to
 532                  * wait for vblank to avoid ugliness, we only need to
 533                  * do the pin & ref bookkeeping.
 534                  */
 535                 if (old_obj != obj) {
 536                         mutex_unlock(&dev->struct_mutex);
 537                         intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
 538                         mutex_lock(&dev->struct_mutex);
 539                 }
 540                 intel_unpin_fb_obj(old_obj);
 541         }
 542
 543 out_unlock:
 544         mutex_unlock(&dev->struct_mutex);
 545 out:
 546         return ret;
 547 }
 548
 549 static int
 550 intel_disable_plane(struct drm_plane *plane)
 551 {
 552         struct drm_device *dev = plane->dev;
 553         struct intel_plane *intel_plane = to_intel_plane(plane);
 554         int ret = 0;
 555
 556         if (plane->crtc)
 557                 intel_enable_primary(plane->crtc);
 558         intel_plane->disable_plane(plane);
 559
 560         if (!intel_plane->obj)
 561                 goto out;
 562
 563         mutex_lock(&dev->struct_mutex);
 564         intel_unpin_fb_obj(intel_plane->obj);
 565         intel_plane->obj = NULL;
 566         mutex_unlock(&dev->struct_mutex);
 567 out:
 568
 569         return ret;
 570 }
 571
 572 static void intel_destroy_plane(struct drm_plane *plane)
 573 {
 574         struct intel_plane *intel_plane = to_intel_plane(plane);
 575         intel_disable_plane(plane);
 576         drm_plane_cleanup(plane);
 577         kfree(intel_plane);
 578 }
 579
 580 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 581                               struct drm_file *file_priv)
 582 {
 583         struct drm_intel_sprite_colorkey *set = data;
 584         struct drm_mode_object *obj;
 585         struct drm_plane *plane;
 586         struct intel_plane *intel_plane;
 587         int ret = 0;
 588
 589         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 590                 return -ENODEV;
 591
 592         /* Make sure we don't try to enable both src & dest simultaneously */
 593         if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
 594                 return -EINVAL;
 595
 596         mutex_lock(&dev->mode_config.mutex);
 597
 598         obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
 599         if (!obj) {
 600                 ret = -EINVAL;
 601                 goto out_unlock;
 602         }
 603
 604         plane = obj_to_plane(obj);
 605         intel_plane = to_intel_plane(plane);
 606         ret = intel_plane->update_colorkey(plane, set);
 607
 608 out_unlock:
 609         mutex_unlock(&dev->mode_config.mutex);
 610         return ret;
 611 }
 612
 613 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
 614                               struct drm_file *file_priv)
 615 {
 616         struct drm_intel_sprite_colorkey *get = data;
 617         struct drm_mode_object *obj;
 618         struct drm_plane *plane;
 619         struct intel_plane *intel_plane;
 620         int ret = 0;
 621
 622         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 623                 return -ENODEV;
 624
 625         mutex_lock(&dev->mode_config.mutex);
 626
 627         obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
 628         if (!obj) {
 629                 ret = -EINVAL;
 630                 goto out_unlock;
 631         }
 632
 633         plane = obj_to_plane(obj);
 634         intel_plane = to_intel_plane(plane);
 635         intel_plane->get_colorkey(plane, get);
 636
 637 out_unlock:
 638         mutex_unlock(&dev->mode_config.mutex);
 639         return ret;
 640 }
 641
 642 static const struct drm_plane_funcs intel_plane_funcs = {
 643         .update_plane = intel_update_plane,
 644         .disable_plane = intel_disable_plane,
 645         .destroy = intel_destroy_plane,
 646 };
 647
 648 static uint32_t ilk_plane_formats[] = {
 649         DRM_FORMAT_XRGB8888,
 650         DRM_FORMAT_YUYV,
 651         DRM_FORMAT_YVYU,
 652         DRM_FORMAT_UYVY,
 653         DRM_FORMAT_VYUY,
 654 };
 655
 656 static uint32_t snb_plane_formats[] = {
 657         DRM_FORMAT_XBGR8888,
 658         DRM_FORMAT_XRGB8888,
 659         DRM_FORMAT_YUYV,
 660         DRM_FORMAT_YVYU,
 661         DRM_FORMAT_UYVY,
 662         DRM_FORMAT_VYUY,
 663 };
 664
 665 int
 666 intel_plane_init(struct drm_device *dev, enum pipe pipe)
 667 {
 668         struct intel_plane *intel_plane;
 669         unsigned long possible_crtcs;
 670         const uint32_t *plane_formats;
 671         int num_plane_formats;
 672         int ret;
 673
 674         if (INTEL_INFO(dev)->gen < 5)
 675                 return -ENODEV;
 676
 677         intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL);
 678         if (!intel_plane)
 679                 return -ENOMEM;
 680
 681         switch (INTEL_INFO(dev)->gen) {
 682         case 5:
 683         case 6:
 684                 intel_plane->can_scale = true;
 685                 intel_plane->max_downscale = 16;
 686                 intel_plane->update_plane = ilk_update_plane;
 687                 intel_plane->disable_plane = ilk_disable_plane;
 688                 intel_plane->update_colorkey = ilk_update_colorkey;
 689                 intel_plane->get_colorkey = ilk_get_colorkey;
 690
 691                 if (IS_GEN6(dev)) {
 692                         plane_formats = snb_plane_formats;
 693                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
 694                 } else {
 695                         plane_formats = ilk_plane_formats;
 696                         num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
 697                 }
 698                 break;
 699
 700         case 7:
 701                 if (IS_HASWELL(dev) || IS_VALLEYVIEW(dev))
 702                         intel_plane->can_scale = false;
 703                 else
 704                         intel_plane->can_scale = true;
 705                 intel_plane->max_downscale = 2;
 706                 intel_plane->update_plane = ivb_update_plane;
 707                 intel_plane->disable_plane = ivb_disable_plane;
 708                 intel_plane->update_colorkey = ivb_update_colorkey;
 709                 intel_plane->get_colorkey = ivb_get_colorkey;
 710
 711                 plane_formats = snb_plane_formats;
 712                 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
 713                 break;
 714
 715         default:
 716                 kfree(intel_plane);
 717                 return -ENODEV;
 718         }
 719
 720         intel_plane->pipe = pipe;
 721         possible_crtcs = (1 << pipe);
 722         ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
 723                              &intel_plane_funcs,
 724                              plane_formats, num_plane_formats,
 725                              false);
 726         if (ret)
 727                 kfree(intel_plane);
 728
 729         return ret;
 730 }