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         sprctl &= ~SPRITE_TILED;
  60
  61         switch (fb->pixel_format) {
  62         case DRM_FORMAT_XBGR8888:
  63                 sprctl |= SPRITE_FORMAT_RGBX888;
  64                 pixel_size = 4;
  65                 break;
  66         case DRM_FORMAT_XRGB8888:
  67                 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
  68                 pixel_size = 4;
  69                 break;
  70         case DRM_FORMAT_YUYV:
  71                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
  72                 pixel_size = 2;
  73                 break;
  74         case DRM_FORMAT_YVYU:
  75                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
  76                 pixel_size = 2;
  77                 break;
  78         case DRM_FORMAT_UYVY:
  79                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
  80                 pixel_size = 2;
  81                 break;
  82         case DRM_FORMAT_VYUY:
  83                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
  84                 pixel_size = 2;
  85                 break;
  86         default:
  87                 DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
  88                 sprctl |= SPRITE_FORMAT_RGBX888;
  89                 pixel_size = 4;
  90                 break;
  91         }
  92
  93         if (obj->tiling_mode != I915_TILING_NONE)
  94                 sprctl |= SPRITE_TILED;
  95
  96         /* must disable */
  97         sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
  98         sprctl |= SPRITE_ENABLE;
  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                 if (!dev_priv->sprite_scaling_enabled) {
 115                         dev_priv->sprite_scaling_enabled = true;
 116                         intel_update_watermarks(dev);
 117                         intel_wait_for_vblank(dev, pipe);
 118                 }
 119                 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 120         } else {
 121                 if (dev_priv->sprite_scaling_enabled) {
 122                         dev_priv->sprite_scaling_enabled = false;
 123                         /* potentially re-enable LP watermarks */
 124                         intel_update_watermarks(dev);
 125                 }
 126         }
 127
 128         I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
 129         I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 130         if (obj->tiling_mode != I915_TILING_NONE) {
 131                 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
 132         } else {
 133                 unsigned long offset;
 134
 135                 offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
 136                 I915_WRITE(SPRLINOFF(pipe), offset);
 137         }
 138         I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 139         I915_WRITE(SPRSCALE(pipe), sprscale);
 140         I915_WRITE(SPRCTL(pipe), sprctl);
 141         I915_MODIFY_DISPBASE(SPRSURF(pipe), obj->gtt_offset);
 142         POSTING_READ(SPRSURF(pipe));
 143 }
 144
 145 static void
 146 ivb_disable_plane(struct drm_plane *plane)
 147 {
 148         struct drm_device *dev = plane->dev;
 149         struct drm_i915_private *dev_priv = dev->dev_private;
 150         struct intel_plane *intel_plane = to_intel_plane(plane);
 151         int pipe = intel_plane->pipe;
 152
 153         I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
 154         /* Can't leave the scaler enabled... */
 155         I915_WRITE(SPRSCALE(pipe), 0);
 156         /* Activate double buffered register update */
 157         I915_MODIFY_DISPBASE(SPRSURF(pipe), 0);
 158         POSTING_READ(SPRSURF(pipe));
 159
 160         dev_priv->sprite_scaling_enabled = false;
 161         intel_update_watermarks(dev);
 162 }
 163
 164 static int
 165 ivb_update_colorkey(struct drm_plane *plane,
 166                     struct drm_intel_sprite_colorkey *key)
 167 {
 168         struct drm_device *dev = plane->dev;
 169         struct drm_i915_private *dev_priv = dev->dev_private;
 170         struct intel_plane *intel_plane;
 171         u32 sprctl;
 172         int ret = 0;
 173
 174         intel_plane = to_intel_plane(plane);
 175
 176         I915_WRITE(SPRKEYVAL(intel_plane->pipe), key->min_value);
 177         I915_WRITE(SPRKEYMAX(intel_plane->pipe), key->max_value);
 178         I915_WRITE(SPRKEYMSK(intel_plane->pipe), key->channel_mask);
 179
 180         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 181         sprctl &= ~(SPRITE_SOURCE_KEY | SPRITE_DEST_KEY);
 182         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 183                 sprctl |= SPRITE_DEST_KEY;
 184         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 185                 sprctl |= SPRITE_SOURCE_KEY;
 186         I915_WRITE(SPRCTL(intel_plane->pipe), sprctl);
 187
 188         POSTING_READ(SPRKEYMSK(intel_plane->pipe));
 189
 190         return ret;
 191 }
 192
 193 static void
 194 ivb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
 195 {
 196         struct drm_device *dev = plane->dev;
 197         struct drm_i915_private *dev_priv = dev->dev_private;
 198         struct intel_plane *intel_plane;
 199         u32 sprctl;
 200
 201         intel_plane = to_intel_plane(plane);
 202
 203         key->min_value = I915_READ(SPRKEYVAL(intel_plane->pipe));
 204         key->max_value = I915_READ(SPRKEYMAX(intel_plane->pipe));
 205         key->channel_mask = I915_READ(SPRKEYMSK(intel_plane->pipe));
 206         key->flags = 0;
 207
 208         sprctl = I915_READ(SPRCTL(intel_plane->pipe));
 209
 210         if (sprctl & SPRITE_DEST_KEY)
 211                 key->flags = I915_SET_COLORKEY_DESTINATION;
 212         else if (sprctl & SPRITE_SOURCE_KEY)
 213                 key->flags = I915_SET_COLORKEY_SOURCE;
 214         else
 215                 key->flags = I915_SET_COLORKEY_NONE;
 216 }
 217
 218 static void
 219 ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 220                  struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
 221                  unsigned int crtc_w, unsigned int crtc_h,
 222                  uint32_t x, uint32_t y,
 223                  uint32_t src_w, uint32_t src_h)
 224 {
 225         struct drm_device *dev = plane->dev;
 226         struct drm_i915_private *dev_priv = dev->dev_private;
 227         struct intel_plane *intel_plane = to_intel_plane(plane);
 228         int pipe = intel_plane->pipe, pixel_size;
 229         u32 dvscntr, dvsscale;
 230
 231         dvscntr = I915_READ(DVSCNTR(pipe));
 232
 233         /* Mask out pixel format bits in case we change it */
 234         dvscntr &= ~DVS_PIXFORMAT_MASK;
 235         dvscntr &= ~DVS_RGB_ORDER_XBGR;
 236         dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK;
 237
 238         switch (fb->pixel_format) {
 239         case DRM_FORMAT_XBGR8888:
 240                 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 241                 pixel_size = 4;
 242                 break;
 243         case DRM_FORMAT_XRGB8888:
 244                 dvscntr |= DVS_FORMAT_RGBX888;
 245                 pixel_size = 4;
 246                 break;
 247         case DRM_FORMAT_YUYV:
 248                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
 249                 pixel_size = 2;
 250                 break;
 251         case DRM_FORMAT_YVYU:
 252                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
 253                 pixel_size = 2;
 254                 break;
 255         case DRM_FORMAT_UYVY:
 256                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
 257                 pixel_size = 2;
 258                 break;
 259         case DRM_FORMAT_VYUY:
 260                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
 261                 pixel_size = 2;
 262                 break;
 263         default:
 264                 DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
 265                 dvscntr |= DVS_FORMAT_RGBX888;
 266                 pixel_size = 4;
 267                 break;
 268         }
 269
 270         if (obj->tiling_mode != I915_TILING_NONE)
 271                 dvscntr |= DVS_TILED;
 272
 273         if (IS_GEN6(dev))
 274                 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
 275         dvscntr |= DVS_ENABLE;
 276
 277         /* Sizes are 0 based */
 278         src_w--;
 279         src_h--;
 280         crtc_w--;
 281         crtc_h--;
 282
 283         intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
 284
 285         dvsscale = 0;
 286         if (IS_GEN5(dev) || crtc_w != src_w || crtc_h != src_h)
 287                 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 288
 289         I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
 290         I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
 291         if (obj->tiling_mode != I915_TILING_NONE) {
 292                 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
 293         } else {
 294                 unsigned long offset;
 295
 296                 offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
 297                 I915_WRITE(DVSLINOFF(pipe), 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);
 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         int ret = 0;
 425         int x = src_x >> 16, y = src_y >> 16;
 426         int primary_w = crtc->mode.hdisplay, primary_h = crtc->mode.vdisplay;
 427         bool disable_primary = false;
 428
 429         intel_fb = to_intel_framebuffer(fb);
 430         obj = intel_fb->obj;
 431
 432         old_obj = intel_plane->obj;
 433
 434         src_w = src_w >> 16;
 435         src_h = src_h >> 16;
 436
 437         /* Pipe must be running... */
 438         if (!(I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE))
 439                 return -EINVAL;
 440
 441         if (crtc_x >= primary_w || crtc_y >= primary_h)
 442                 return -EINVAL;
 443
 444         /* Don't modify another pipe's plane */
 445         if (intel_plane->pipe != intel_crtc->pipe)
 446                 return -EINVAL;
 447
 448         /*
 449          * Clamp the width & height into the visible area.  Note we don't
 450          * try to scale the source if part of the visible region is offscreen.
 451          * The caller must handle that by adjusting source offset and size.
 452          */
 453         if ((crtc_x < 0) && ((crtc_x + crtc_w) > 0)) {
 454                 crtc_w += crtc_x;
 455                 crtc_x = 0;
 456         }
 457         if ((crtc_x + crtc_w) <= 0) /* Nothing to display */
 458                 goto out;
 459         if ((crtc_x + crtc_w) > primary_w)
 460                 crtc_w = primary_w - crtc_x;
 461
 462         if ((crtc_y < 0) && ((crtc_y + crtc_h) > 0)) {
 463                 crtc_h += crtc_y;
 464                 crtc_y = 0;
 465         }
 466         if ((crtc_y + crtc_h) <= 0) /* Nothing to display */
 467                 goto out;
 468         if (crtc_y + crtc_h > primary_h)
 469                 crtc_h = primary_h - crtc_y;
 470
 471         if (!crtc_w || !crtc_h) /* Again, nothing to display */
 472                 goto out;
 473
 474         /*
 475          * We can take a larger source and scale it down, but
 476          * only so much...  16x is the max on SNB.
 477          */
 478         if (((src_w * src_h) / (crtc_w * crtc_h)) > intel_plane->max_downscale)
 479                 return -EINVAL;
 480
 481         /*
 482          * If the sprite is completely covering the primary plane,
 483          * we can disable the primary and save power.
 484          */
 485         if ((crtc_x == 0) && (crtc_y == 0) &&
 486             (crtc_w == primary_w) && (crtc_h == primary_h))
 487                 disable_primary = true;
 488
 489         mutex_lock(&dev->struct_mutex);
 490
 491         ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
 492         if (ret)
 493                 goto out_unlock;
 494
 495         intel_plane->obj = obj;
 496
 497         /*
 498          * Be sure to re-enable the primary before the sprite is no longer
 499          * covering it fully.
 500          */
 501         if (!disable_primary)
 502                 intel_enable_primary(crtc);
 503
 504         intel_plane->update_plane(plane, fb, obj, crtc_x, crtc_y,
 505                                   crtc_w, crtc_h, x, y, src_w, src_h);
 506
 507         if (disable_primary)
 508                 intel_disable_primary(crtc);
 509
 510         /* Unpin old obj after new one is active to avoid ugliness */
 511         if (old_obj) {
 512                 /*
 513                  * It's fairly common to simply update the position of
 514                  * an existing object.  In that case, we don't need to
 515                  * wait for vblank to avoid ugliness, we only need to
 516                  * do the pin & ref bookkeeping.
 517                  */
 518                 if (old_obj != obj) {
 519                         mutex_unlock(&dev->struct_mutex);
 520                         intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
 521                         mutex_lock(&dev->struct_mutex);
 522                 }
 523                 intel_unpin_fb_obj(old_obj);
 524         }
 525
 526 out_unlock:
 527         mutex_unlock(&dev->struct_mutex);
 528 out:
 529         return ret;
 530 }
 531
 532 static int
 533 intel_disable_plane(struct drm_plane *plane)
 534 {
 535         struct drm_device *dev = plane->dev;
 536         struct intel_plane *intel_plane = to_intel_plane(plane);
 537         int ret = 0;
 538
 539         if (plane->crtc)
 540                 intel_enable_primary(plane->crtc);
 541         intel_plane->disable_plane(plane);
 542
 543         if (!intel_plane->obj)
 544                 goto out;
 545
 546         mutex_lock(&dev->struct_mutex);
 547         intel_unpin_fb_obj(intel_plane->obj);
 548         intel_plane->obj = NULL;
 549         mutex_unlock(&dev->struct_mutex);
 550 out:
 551
 552         return ret;
 553 }
 554
 555 static void intel_destroy_plane(struct drm_plane *plane)
 556 {
 557         struct intel_plane *intel_plane = to_intel_plane(plane);
 558         intel_disable_plane(plane);
 559         drm_plane_cleanup(plane);
 560         kfree(intel_plane);
 561 }
 562
 563 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 564                               struct drm_file *file_priv)
 565 {
 566         struct drm_intel_sprite_colorkey *set = data;
 567         struct drm_mode_object *obj;
 568         struct drm_plane *plane;
 569         struct intel_plane *intel_plane;
 570         int ret = 0;
 571
 572         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 573                 return -ENODEV;
 574
 575         /* Make sure we don't try to enable both src & dest simultaneously */
 576         if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
 577                 return -EINVAL;
 578
 579         mutex_lock(&dev->mode_config.mutex);
 580
 581         obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
 582         if (!obj) {
 583                 ret = -EINVAL;
 584                 goto out_unlock;
 585         }
 586
 587         plane = obj_to_plane(obj);
 588         intel_plane = to_intel_plane(plane);
 589         ret = intel_plane->update_colorkey(plane, set);
 590
 591 out_unlock:
 592         mutex_unlock(&dev->mode_config.mutex);
 593         return ret;
 594 }
 595
 596 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
 597                               struct drm_file *file_priv)
 598 {
 599         struct drm_intel_sprite_colorkey *get = data;
 600         struct drm_mode_object *obj;
 601         struct drm_plane *plane;
 602         struct intel_plane *intel_plane;
 603         int ret = 0;
 604
 605         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 606                 return -ENODEV;
 607
 608         mutex_lock(&dev->mode_config.mutex);
 609
 610         obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
 611         if (!obj) {
 612                 ret = -EINVAL;
 613                 goto out_unlock;
 614         }
 615
 616         plane = obj_to_plane(obj);
 617         intel_plane = to_intel_plane(plane);
 618         intel_plane->get_colorkey(plane, get);
 619
 620 out_unlock:
 621         mutex_unlock(&dev->mode_config.mutex);
 622         return ret;
 623 }
 624
 625 static const struct drm_plane_funcs intel_plane_funcs = {
 626         .update_plane = intel_update_plane,
 627         .disable_plane = intel_disable_plane,
 628         .destroy = intel_destroy_plane,
 629 };
 630
 631 static uint32_t ilk_plane_formats[] = {
 632         DRM_FORMAT_XRGB8888,
 633         DRM_FORMAT_YUYV,
 634         DRM_FORMAT_YVYU,
 635         DRM_FORMAT_UYVY,
 636         DRM_FORMAT_VYUY,
 637 };
 638
 639 static uint32_t snb_plane_formats[] = {
 640         DRM_FORMAT_XBGR8888,
 641         DRM_FORMAT_XRGB8888,
 642         DRM_FORMAT_YUYV,
 643         DRM_FORMAT_YVYU,
 644         DRM_FORMAT_UYVY,
 645         DRM_FORMAT_VYUY,
 646 };
 647
 648 int
 649 intel_plane_init(struct drm_device *dev, enum pipe pipe)
 650 {
 651         struct intel_plane *intel_plane;
 652         unsigned long possible_crtcs;
 653         const uint32_t *plane_formats;
 654         int num_plane_formats;
 655         int ret;
 656
 657         if (INTEL_INFO(dev)->gen < 5)
 658                 return -ENODEV;
 659
 660         intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL);
 661         if (!intel_plane)
 662                 return -ENOMEM;
 663
 664         switch (INTEL_INFO(dev)->gen) {
 665         case 5:
 666         case 6:
 667                 intel_plane->max_downscale = 16;
 668                 intel_plane->update_plane = ilk_update_plane;
 669                 intel_plane->disable_plane = ilk_disable_plane;
 670                 intel_plane->update_colorkey = ilk_update_colorkey;
 671                 intel_plane->get_colorkey = ilk_get_colorkey;
 672
 673                 if (IS_GEN6(dev)) {
 674                         plane_formats = snb_plane_formats;
 675                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
 676                 } else {
 677                         plane_formats = ilk_plane_formats;
 678                         num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
 679                 }
 680                 break;
 681
 682         case 7:
 683                 intel_plane->max_downscale = 2;
 684                 intel_plane->update_plane = ivb_update_plane;
 685                 intel_plane->disable_plane = ivb_disable_plane;
 686                 intel_plane->update_colorkey = ivb_update_colorkey;
 687                 intel_plane->get_colorkey = ivb_get_colorkey;
 688
 689                 plane_formats = snb_plane_formats;
 690                 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
 691                 break;
 692
 693         default:
 694                 kfree(intel_plane);
 695                 return -ENODEV;
 696         }
 697
 698         intel_plane->pipe = pipe;
 699         possible_crtcs = (1 << pipe);
 700         ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
 701                              &intel_plane_funcs,
 702                              plane_formats, num_plane_formats,
 703                              false);
 704         if (ret)
 705                 kfree(intel_plane);
 706
 707         return ret;
 708 }