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 "drmP.h"
  33 #include "drm_crtc.h"
  34 #include "drm_fourcc.h"
  35 #include "intel_drv.h"
  36 #include "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         int pixel_size;
  52
  53         sprctl = I915_READ(SPRCTL(pipe));
  54
  55         /* Mask out pixel format bits in case we change it */
  56         sprctl &= ~SPRITE_PIXFORMAT_MASK;
  57         sprctl &= ~SPRITE_RGB_ORDER_RGBX;
  58         sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
  59
  60         switch (fb->pixel_format) {
  61         case DRM_FORMAT_XBGR8888:
  62                 sprctl |= SPRITE_FORMAT_RGBX888;
  63                 pixel_size = 4;
  64                 break;
  65         case DRM_FORMAT_XRGB8888:
  66                 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
  67                 pixel_size = 4;
  68                 break;
  69         case DRM_FORMAT_YUYV:
  70                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
  71                 pixel_size = 2;
  72                 break;
  73         case DRM_FORMAT_YVYU:
  74                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
  75                 pixel_size = 2;
  76                 break;
  77         case DRM_FORMAT_UYVY:
  78                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
  79                 pixel_size = 2;
  80                 break;
  81         case DRM_FORMAT_VYUY:
  82                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
  83                 pixel_size = 2;
  84                 break;
  85         default:
  86                 DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
  87                 sprctl |= DVS_FORMAT_RGBX888;
  88                 pixel_size = 4;
  89                 break;
  90         }
  91
  92         if (obj->tiling_mode != I915_TILING_NONE)
  93                 sprctl |= SPRITE_TILED;
  94
  95         /* must disable */
  96         sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
  97         sprctl |= SPRITE_ENABLE;
  98         sprctl |= SPRITE_DEST_KEY;
  99
 100         /* Sizes are 0 based */
 101         src_w--;
 102         src_h--;
 103         crtc_w--;
 104         crtc_h--;
 105
 106         intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
 107
 108         /*
 109          * IVB workaround: must disable low power watermarks for at least
 110          * one frame before enabling scaling.  LP watermarks can be re-enabled
 111          * when scaling is disabled.
 112          */
 113         if (crtc_w != src_w || crtc_h != src_h) {
 114                 dev_priv->sprite_scaling_enabled = true;
 115                 sandybridge_update_wm(dev);
 116                 intel_wait_for_vblank(dev, pipe);
 117                 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 118         } else {
 119                 dev_priv->sprite_scaling_enabled = false;
 120                 /* potentially re-enable LP watermarks */
 121                 sandybridge_update_wm(dev);
 122         }
 123
 124         I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
 125         I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 126         if (obj->tiling_mode != I915_TILING_NONE) {
 127                 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
 128         } else {
 129                 unsigned long offset;
 130
 131                 offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
 132                 I915_WRITE(SPRLINOFF(pipe), offset);
 133         }
 134         I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 135         I915_WRITE(SPRSCALE(pipe), sprscale);
 136         I915_WRITE(SPRCTL(pipe), sprctl);
 137         I915_WRITE(SPRSURF(pipe), obj->gtt_offset);
 138         POSTING_READ(SPRSURF(pipe));
 139 }
 140
 141 static void
 142 ivb_disable_plane(struct drm_plane *plane)
 143 {
 144         struct drm_device *dev = plane->dev;
 145         struct drm_i915_private *dev_priv = dev->dev_private;
 146         struct intel_plane *intel_plane = to_intel_plane(plane);
 147         int pipe = intel_plane->pipe;
 148
 149         I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
 150         /* Can't leave the scaler enabled... */
 151         I915_WRITE(SPRSCALE(pipe), 0);
 152         /* Activate double buffered register update */
 153         I915_WRITE(SPRSURF(pipe), 0);
 154         POSTING_READ(SPRSURF(pipe));
 155 }
 156
 157 static int
 158 ivb_update_colorkey(struct drm_plane *plane,
 159                     struct drm_intel_sprite_colorkey *key)
 160 {
 161         struct drm_device *dev = plane->dev;
 162         struct drm_i915_private *dev_priv = dev->dev_private;
 163         struct intel_plane *intel_plane;
 164         u32 sprctl;
 165         int ret = 0;
 166
 167         intel_plane = to_intel_plane(plane);
 168
 169         I915_WRITE(SPRKEYVAL(intel_plane->pipe), key->min_value);
 170         I915_WRITE(SPRKEYMAX(intel_plane->pipe), key->max_value);
 171         I915_WRITE(SPRKEYMSK(intel_plane->pipe), key->channel_mask);
 172
 173         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 174         sprctl &= ~(SPRITE_SOURCE_KEY | SPRITE_DEST_KEY);
 175         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 176                 sprctl |= SPRITE_DEST_KEY;
 177         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 178                 sprctl |= SPRITE_SOURCE_KEY;
 179         I915_WRITE(SPRCTL(intel_plane->pipe), sprctl);
 180
 181         POSTING_READ(SPRKEYMSK(intel_plane->pipe));
 182
 183         return ret;
 184 }
 185
 186 static void
 187 ivb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
 188 {
 189         struct drm_device *dev = plane->dev;
 190         struct drm_i915_private *dev_priv = dev->dev_private;
 191         struct intel_plane *intel_plane;
 192         u32 sprctl;
 193
 194         intel_plane = to_intel_plane(plane);
 195
 196         key->min_value = I915_READ(SPRKEYVAL(intel_plane->pipe));
 197         key->max_value = I915_READ(SPRKEYMAX(intel_plane->pipe));
 198         key->channel_mask = I915_READ(SPRKEYMSK(intel_plane->pipe));
 199         key->flags = 0;
 200
 201         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 202
 203         if (sprctl & SPRITE_DEST_KEY)
 204                 key->flags = I915_SET_COLORKEY_DESTINATION;
 205         else if (sprctl & SPRITE_SOURCE_KEY)
 206                 key->flags = I915_SET_COLORKEY_SOURCE;
 207         else
 208                 key->flags = I915_SET_COLORKEY_NONE;
 209 }
 210
 211 static void
 212 snb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 213                  struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
 214                  unsigned int crtc_w, unsigned int crtc_h,
 215                  uint32_t x, uint32_t y,
 216                  uint32_t src_w, uint32_t src_h)
 217 {
 218         struct drm_device *dev = plane->dev;
 219         struct drm_i915_private *dev_priv = dev->dev_private;
 220         struct intel_plane *intel_plane = to_intel_plane(plane);
 221         int pipe = intel_plane->pipe, pixel_size;
 222         u32 dvscntr, dvsscale = 0;
 223
 224         dvscntr = I915_READ(DVSCNTR(pipe));
 225
 226         /* Mask out pixel format bits in case we change it */
 227         dvscntr &= ~DVS_PIXFORMAT_MASK;
 228         dvscntr &= ~DVS_RGB_ORDER_XBGR;
 229         dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK;
 230
 231         switch (fb->pixel_format) {
 232         case DRM_FORMAT_XBGR8888:
 233                 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 234                 pixel_size = 4;
 235                 break;
 236         case DRM_FORMAT_XRGB8888:
 237                 dvscntr |= DVS_FORMAT_RGBX888;
 238                 pixel_size = 4;
 239                 break;
 240         case DRM_FORMAT_YUYV:
 241                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
 242                 pixel_size = 2;
 243                 break;
 244         case DRM_FORMAT_YVYU:
 245                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
 246                 pixel_size = 2;
 247                 break;
 248         case DRM_FORMAT_UYVY:
 249                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
 250                 pixel_size = 2;
 251                 break;
 252         case DRM_FORMAT_VYUY:
 253                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
 254                 pixel_size = 2;
 255                 break;
 256         default:
 257                 DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
 258                 dvscntr |= DVS_FORMAT_RGBX888;
 259                 pixel_size = 4;
 260                 break;
 261         }
 262
 263         if (obj->tiling_mode != I915_TILING_NONE)
 264                 dvscntr |= DVS_TILED;
 265
 266         /* must disable */
 267         dvscntr |= DVS_TRICKLE_FEED_DISABLE;
 268         dvscntr |= DVS_ENABLE;
 269
 270         /* Sizes are 0 based */
 271         src_w--;
 272         src_h--;
 273         crtc_w--;
 274         crtc_h--;
 275
 276         intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
 277
 278         if (crtc_w != src_w || crtc_h != src_h)
 279                 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 280
 281         I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
 282         I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
 283         if (obj->tiling_mode != I915_TILING_NONE) {
 284                 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
 285         } else {
 286                 unsigned long offset;
 287
 288                 offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
 289                 I915_WRITE(DVSLINOFF(pipe), offset);
 290         }
 291         I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
 292         I915_WRITE(DVSSCALE(pipe), dvsscale);
 293         I915_WRITE(DVSCNTR(pipe), dvscntr);
 294         I915_WRITE(DVSSURF(pipe), obj->gtt_offset);
 295         POSTING_READ(DVSSURF(pipe));
 296 }
 297
 298 static void
 299 snb_disable_plane(struct drm_plane *plane)
 300 {
 301         struct drm_device *dev = plane->dev;
 302         struct drm_i915_private *dev_priv = dev->dev_private;
 303         struct intel_plane *intel_plane = to_intel_plane(plane);
 304         int pipe = intel_plane->pipe;
 305
 306         I915_WRITE(DVSCNTR(pipe), I915_READ(DVSCNTR(pipe)) & ~DVS_ENABLE);
 307         /* Disable the scaler */
 308         I915_WRITE(DVSSCALE(pipe), 0);
 309         /* Flush double buffered register updates */
 310         I915_WRITE(DVSSURF(pipe), 0);
 311         POSTING_READ(DVSSURF(pipe));
 312 }
 313
 314 static void
 315 intel_enable_primary(struct drm_crtc *crtc)
 316 {
 317         struct drm_device *dev = crtc->dev;
 318         struct drm_i915_private *dev_priv = dev->dev_private;
 319         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 320         int reg = DSPCNTR(intel_crtc->plane);
 321
 322         I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
 323 }
 324
 325 static void
 326 intel_disable_primary(struct drm_crtc *crtc)
 327 {
 328         struct drm_device *dev = crtc->dev;
 329         struct drm_i915_private *dev_priv = dev->dev_private;
 330         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 331         int reg = DSPCNTR(intel_crtc->plane);
 332
 333         I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
 334 }
 335
 336 static int
 337 snb_update_colorkey(struct drm_plane *plane,
 338                     struct drm_intel_sprite_colorkey *key)
 339 {
 340         struct drm_device *dev = plane->dev;
 341         struct drm_i915_private *dev_priv = dev->dev_private;
 342         struct intel_plane *intel_plane;
 343         u32 dvscntr;
 344         int ret = 0;
 345
 346         intel_plane = to_intel_plane(plane);
 347
 348         I915_WRITE(DVSKEYVAL(intel_plane->pipe), key->min_value);
 349         I915_WRITE(DVSKEYMAX(intel_plane->pipe), key->max_value);
 350         I915_WRITE(DVSKEYMSK(intel_plane->pipe), key->channel_mask);
 351
 352         dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
 353         dvscntr &= ~(DVS_SOURCE_KEY | DVS_DEST_KEY);
 354         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 355                 dvscntr |= DVS_DEST_KEY;
 356         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 357                 dvscntr |= DVS_SOURCE_KEY;
 358         I915_WRITE(DVSCNTR(intel_plane->pipe), dvscntr);
 359
 360         POSTING_READ(DVSKEYMSK(intel_plane->pipe));
 361
 362         return ret;
 363 }
 364
 365 static void
 366 snb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
 367 {
 368         struct drm_device *dev = plane->dev;
 369         struct drm_i915_private *dev_priv = dev->dev_private;
 370         struct intel_plane *intel_plane;
 371         u32 dvscntr;
 372
 373         intel_plane = to_intel_plane(plane);
 374
 375         key->min_value = I915_READ(DVSKEYVAL(intel_plane->pipe));
 376         key->max_value = I915_READ(DVSKEYMAX(intel_plane->pipe));
 377         key->channel_mask = I915_READ(DVSKEYMSK(intel_plane->pipe));
 378         key->flags = 0;
 379
 380         dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
 381
 382         if (dvscntr & DVS_DEST_KEY)
 383                 key->flags = I915_SET_COLORKEY_DESTINATION;
 384         else if (dvscntr & DVS_SOURCE_KEY)
 385                 key->flags = I915_SET_COLORKEY_SOURCE;
 386         else
 387                 key->flags = I915_SET_COLORKEY_NONE;
 388 }
 389
 390 static int
 391 intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 392                    struct drm_framebuffer *fb, int crtc_x, int crtc_y,
 393                    unsigned int crtc_w, unsigned int crtc_h,
 394                    uint32_t src_x, uint32_t src_y,
 395                    uint32_t src_w, uint32_t src_h)
 396 {
 397         struct drm_device *dev = plane->dev;
 398         struct drm_i915_private *dev_priv = dev->dev_private;
 399         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 400         struct intel_plane *intel_plane = to_intel_plane(plane);
 401         struct intel_framebuffer *intel_fb;
 402         struct drm_i915_gem_object *obj, *old_obj;
 403         int pipe = intel_plane->pipe;
 404         int ret = 0;
 405         int x = src_x >> 16, y = src_y >> 16;
 406         int primary_w = crtc->mode.hdisplay, primary_h = crtc->mode.vdisplay;
 407         bool disable_primary = false;
 408
 409         intel_fb = to_intel_framebuffer(fb);
 410         obj = intel_fb->obj;
 411
 412         old_obj = intel_plane->obj;
 413
 414         /* Pipe must be running... */
 415         if (!(I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE))
 416                 return -EINVAL;
 417
 418         if (crtc_x >= primary_w || crtc_y >= primary_h)
 419                 return -EINVAL;
 420
 421         /* Don't modify another pipe's plane */
 422         if (intel_plane->pipe != intel_crtc->pipe)
 423                 return -EINVAL;
 424
 425         /*
 426          * Clamp the width & height into the visible area.  Note we don't
 427          * try to scale the source if part of the visible region is offscreen.
 428          * The caller must handle that by adjusting source offset and size.
 429          */
 430         if ((crtc_x < 0) && ((crtc_x + crtc_w) > 0)) {
 431                 crtc_w += crtc_x;
 432                 crtc_x = 0;
 433         }
 434         if ((crtc_x + crtc_w) <= 0) /* Nothing to display */
 435                 goto out;
 436         if ((crtc_x + crtc_w) > primary_w)
 437                 crtc_w = primary_w - crtc_x;
 438
 439         if ((crtc_y < 0) && ((crtc_y + crtc_h) > 0)) {
 440                 crtc_h += crtc_y;
 441                 crtc_y = 0;
 442         }
 443         if ((crtc_y + crtc_h) <= 0) /* Nothing to display */
 444                 goto out;
 445         if (crtc_y + crtc_h > primary_h)
 446                 crtc_h = primary_h - crtc_y;
 447
 448         if (!crtc_w || !crtc_h) /* Again, nothing to display */
 449                 goto out;
 450
 451         /*
 452          * We can take a larger source and scale it down, but
 453          * only so much...  16x is the max on SNB.
 454          */
 455         if (((src_w * src_h) / (crtc_w * crtc_h)) > intel_plane->max_downscale)
 456                 return -EINVAL;
 457
 458         /*
 459          * If the sprite is completely covering the primary plane,
 460          * we can disable the primary and save power.
 461          */
 462         if ((crtc_x == 0) && (crtc_y == 0) &&
 463             (crtc_w == primary_w) && (crtc_h == primary_h))
 464                 disable_primary = true;
 465
 466         mutex_lock(&dev->struct_mutex);
 467
 468         ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
 469         if (ret)
 470                 goto out_unlock;
 471
 472         intel_plane->obj = obj;
 473
 474         /*
 475          * Be sure to re-enable the primary before the sprite is no longer
 476          * covering it fully.
 477          */
 478         if (!disable_primary && intel_plane->primary_disabled) {
 479                 intel_enable_primary(crtc);
 480                 intel_plane->primary_disabled = false;
 481         }
 482
 483         intel_plane->update_plane(plane, fb, obj, crtc_x, crtc_y,
 484                                   crtc_w, crtc_h, x, y, src_w, src_h);
 485
 486         if (disable_primary) {
 487                 intel_disable_primary(crtc);
 488                 intel_plane->primary_disabled = true;
 489         }
 490
 491         /* Unpin old obj after new one is active to avoid ugliness */
 492         if (old_obj) {
 493                 /*
 494                  * It's fairly common to simply update the position of
 495                  * an existing object.  In that case, we don't need to
 496                  * wait for vblank to avoid ugliness, we only need to
 497                  * do the pin & ref bookkeeping.
 498                  */
 499                 if (old_obj != obj) {
 500                         mutex_unlock(&dev->struct_mutex);
 501                         intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
 502                         mutex_lock(&dev->struct_mutex);
 503                 }
 504                 i915_gem_object_unpin(old_obj);
 505         }
 506
 507 out_unlock:
 508         mutex_unlock(&dev->struct_mutex);
 509 out:
 510         return ret;
 511 }
 512
 513 static int
 514 intel_disable_plane(struct drm_plane *plane)
 515 {
 516         struct drm_device *dev = plane->dev;
 517         struct intel_plane *intel_plane = to_intel_plane(plane);
 518         int ret = 0;
 519
 520         if (intel_plane->primary_disabled) {
 521                 intel_enable_primary(plane->crtc);
 522                 intel_plane->primary_disabled = false;
 523         }
 524
 525         intel_plane->disable_plane(plane);
 526
 527         if (!intel_plane->obj)
 528                 goto out;
 529
 530         mutex_lock(&dev->struct_mutex);
 531         i915_gem_object_unpin(intel_plane->obj);
 532         intel_plane->obj = NULL;
 533         mutex_unlock(&dev->struct_mutex);
 534 out:
 535
 536         return ret;
 537 }
 538
 539 static void intel_destroy_plane(struct drm_plane *plane)
 540 {
 541         struct intel_plane *intel_plane = to_intel_plane(plane);
 542         intel_disable_plane(plane);
 543         drm_plane_cleanup(plane);
 544         kfree(intel_plane);
 545 }
 546
 547 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 548                               struct drm_file *file_priv)
 549 {
 550         struct drm_intel_sprite_colorkey *set = data;
 551         struct drm_i915_private *dev_priv = dev->dev_private;
 552         struct drm_mode_object *obj;
 553         struct drm_plane *plane;
 554         struct intel_plane *intel_plane;
 555         int ret = 0;
 556
 557         if (!dev_priv)
 558                 return -EINVAL;
 559
 560         /* Make sure we don't try to enable both src & dest simultaneously */
 561         if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
 562                 return -EINVAL;
 563
 564         mutex_lock(&dev->mode_config.mutex);
 565
 566         obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
 567         if (!obj) {
 568                 ret = -EINVAL;
 569                 goto out_unlock;
 570         }
 571
 572         plane = obj_to_plane(obj);
 573         intel_plane = to_intel_plane(plane);
 574         ret = intel_plane->update_colorkey(plane, set);
 575
 576 out_unlock:
 577         mutex_unlock(&dev->mode_config.mutex);
 578         return ret;
 579 }
 580
 581 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
 582                               struct drm_file *file_priv)
 583 {
 584         struct drm_intel_sprite_colorkey *get = data;
 585         struct drm_i915_private *dev_priv = dev->dev_private;
 586         struct drm_mode_object *obj;
 587         struct drm_plane *plane;
 588         struct intel_plane *intel_plane;
 589         int ret = 0;
 590
 591         if (!dev_priv)
 592                 return -EINVAL;
 593
 594         mutex_lock(&dev->mode_config.mutex);
 595
 596         obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
 597         if (!obj) {
 598                 ret = -EINVAL;
 599                 goto out_unlock;
 600         }
 601
 602         plane = obj_to_plane(obj);
 603         intel_plane = to_intel_plane(plane);
 604         intel_plane->get_colorkey(plane, get);
 605
 606 out_unlock:
 607         mutex_unlock(&dev->mode_config.mutex);
 608         return ret;
 609 }
 610
 611 static const struct drm_plane_funcs intel_plane_funcs = {
 612         .update_plane = intel_update_plane,
 613         .disable_plane = intel_disable_plane,
 614         .destroy = intel_destroy_plane,
 615 };
 616
 617 static uint32_t snb_plane_formats[] = {
 618         DRM_FORMAT_XBGR8888,
 619         DRM_FORMAT_XRGB8888,
 620         DRM_FORMAT_YUYV,
 621         DRM_FORMAT_YVYU,
 622         DRM_FORMAT_UYVY,
 623         DRM_FORMAT_VYUY,
 624 };
 625
 626 int
 627 intel_plane_init(struct drm_device *dev, enum pipe pipe)
 628 {
 629         struct intel_plane *intel_plane;
 630         unsigned long possible_crtcs;
 631         int ret;
 632
 633         if (!(IS_GEN6(dev) || IS_GEN7(dev)))
 634                 return -ENODEV;
 635
 636         intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL);
 637         if (!intel_plane)
 638                 return -ENOMEM;
 639
 640         if (IS_GEN6(dev)) {
 641                 intel_plane->max_downscale = 16;
 642                 intel_plane->update_plane = snb_update_plane;
 643                 intel_plane->disable_plane = snb_disable_plane;
 644                 intel_plane->update_colorkey = snb_update_colorkey;
 645                 intel_plane->get_colorkey = snb_get_colorkey;
 646         } else if (IS_GEN7(dev)) {
 647                 intel_plane->max_downscale = 2;
 648                 intel_plane->update_plane = ivb_update_plane;
 649                 intel_plane->disable_plane = ivb_disable_plane;
 650                 intel_plane->update_colorkey = ivb_update_colorkey;
 651                 intel_plane->get_colorkey = ivb_get_colorkey;
 652         }
 653
 654         intel_plane->pipe = pipe;
 655         possible_crtcs = (1 << pipe);
 656         ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
 657                              &intel_plane_funcs, snb_plane_formats,
 658                              ARRAY_SIZE(snb_plane_formats), false);
 659         if (ret)
 660                 kfree(intel_plane);
 661
 662         return ret;
 663 }
 664