sys/dev/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 <drm/drm_rect.h>
  36 #include <drm/drm_atomic.h>
  37 #include <drm/drm_plane_helper.h>
  38 #include "intel_drv.h"
  39 #include <drm/i915_drm.h>
  40 #include "i915_drv.h"
  41
  42 static bool
  43 format_is_yuv(uint32_t format)
  44 {
  45         switch (format) {
  46         case DRM_FORMAT_YUYV:
  47         case DRM_FORMAT_UYVY:
  48         case DRM_FORMAT_VYUY:
  49         case DRM_FORMAT_YVYU:
  50                 return true;
  51         default:
  52                 return false;
  53         }
  54 }
  55
  56 static int usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
  57                               int usecs)
  58 {
  59         /* paranoia */
  60         if (!adjusted_mode->crtc_htotal)
  61                 return 1;
  62
  63         return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock,
  64                             1000 * adjusted_mode->crtc_htotal);
  65 }
  66
  67 /**
  68  * intel_pipe_update_start() - start update of a set of display registers
  69  * @crtc: the crtc of which the registers are going to be updated
  70  * @start_vbl_count: vblank counter return pointer used for error checking
  71  *
  72  * Mark the start of an update to pipe registers that should be updated
  73  * atomically regarding vblank. If the next vblank will happens within
  74  * the next 100 us, this function waits until the vblank passes.
  75  *
  76  * After a successful call to this function, interrupts will be disabled
  77  * until a subsequent call to intel_pipe_update_end(). That is done to
  78  * avoid random delays. The value written to @start_vbl_count should be
  79  * supplied to intel_pipe_update_end() for error checking.
  80  */
  81 void intel_pipe_update_start(struct intel_crtc *crtc)
  82 {
  83         const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
  84         long timeout = msecs_to_jiffies_timeout(1);
  85         int scanline, min, max, vblank_start;
  86         wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
  87         DEFINE_WAIT(wait);
  88
  89         vblank_start = adjusted_mode->crtc_vblank_start;
  90         if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
  91                 vblank_start = DIV_ROUND_UP(vblank_start, 2);
  92
  93         /* FIXME needs to be calibrated sensibly */
  94         min = vblank_start - usecs_to_scanlines(adjusted_mode, 100);
  95         max = vblank_start - 1;
  96
  97         local_irq_disable();
  98
  99         if (min <= 0 || max <= 0)
 100                 return;
 101
 102         if (WARN_ON(drm_crtc_vblank_get(&crtc->base)))
 103                 return;
 104
 105         crtc->debug.min_vbl = min;
 106         crtc->debug.max_vbl = max;
 107         trace_i915_pipe_update_start(crtc);
 108
 109         for (;;) {
 110                 /*
 111                  * prepare_to_wait() has a memory barrier, which guarantees
 112                  * other CPUs can see the task state update by the time we
 113                  * read the scanline.
 114                  */
 115                 prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
 116
 117                 scanline = intel_get_crtc_scanline(crtc);
 118                 if (scanline < min || scanline > max)
 119                         break;
 120
 121                 if (timeout <= 0) {
 122                         DRM_ERROR("Potential atomic update failure on pipe %c\n",
 123                                   pipe_name(crtc->pipe));
 124                         break;
 125                 }
 126
 127                 local_irq_enable();
 128
 129                 timeout = schedule_timeout(timeout);
 130
 131                 local_irq_disable();
 132         }
 133
 134         finish_wait(wq, &wait);
 135
 136         drm_crtc_vblank_put(&crtc->base);
 137
 138         crtc->debug.scanline_start = scanline;
 139         crtc->debug.start_vbl_time = ktime_get();
 140         crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc);
 141
 142         trace_i915_pipe_update_vblank_evaded(crtc);
 143 }
 144
 145 /**
 146  * intel_pipe_update_end() - end update of a set of display registers
 147  * @crtc: the crtc of which the registers were updated
 148  * @start_vbl_count: start vblank counter (used for error checking)
 149  *
 150  * Mark the end of an update started with intel_pipe_update_start(). This
 151  * re-enables interrupts and verifies the update was actually completed
 152  * before a vblank using the value of @start_vbl_count.
 153  */
 154 void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work)
 155 {
 156         enum i915_pipe pipe = crtc->pipe;
 157         int scanline_end = intel_get_crtc_scanline(crtc);
 158         u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
 159         ktime_t end_vbl_time = ktime_get();
 160
 161         if (work) {
 162                 work->flip_queued_vblank = end_vbl_count;
 163                 smp_mb__before_atomic();
 164                 atomic_set(&work->pending, 1);
 165         }
 166
 167         trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
 168
 169         /* We're still in the vblank-evade critical section, this can't race.
 170          * Would be slightly nice to just grab the vblank count and arm the
 171          * event outside of the critical section - the spinlock might spin for a
 172          * while ... */
 173         if (crtc->base.state->event) {
 174                 WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0);
 175
 176                 lockmgr(&crtc->base.dev->event_lock, LK_EXCLUSIVE);
 177                 drm_crtc_arm_vblank_event(&crtc->base, crtc->base.state->event);
 178                 lockmgr(&crtc->base.dev->event_lock, LK_RELEASE);
 179
 180                 crtc->base.state->event = NULL;
 181         }
 182
 183         local_irq_enable();
 184
 185         if (crtc->debug.start_vbl_count &&
 186             crtc->debug.start_vbl_count != end_vbl_count) {
 187                 DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n",
 188                           pipe_name(pipe), crtc->debug.start_vbl_count,
 189                           end_vbl_count,
 190                           ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
 191                           crtc->debug.min_vbl, crtc->debug.max_vbl,
 192                           crtc->debug.scanline_start, scanline_end);
 193         }
 194 }
 195
 196 static void
 197 skl_update_plane(struct drm_plane *drm_plane,
 198                  const struct intel_crtc_state *crtc_state,
 199                  const struct intel_plane_state *plane_state)
 200 {
 201         struct drm_device *dev = drm_plane->dev;
 202         struct drm_i915_private *dev_priv = to_i915(dev);
 203         struct intel_plane *intel_plane = to_intel_plane(drm_plane);
 204         struct drm_framebuffer *fb = plane_state->base.fb;
 205         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 206         const int pipe = intel_plane->pipe;
 207         const int plane = intel_plane->plane + 1;
 208         u32 plane_ctl, stride_div, stride;
 209         const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 210         u32 surf_addr;
 211         u32 tile_height, plane_offset, plane_size;
 212         unsigned int rotation = plane_state->base.rotation;
 213         int x_offset, y_offset;
 214         int crtc_x = plane_state->dst.x1;
 215         int crtc_y = plane_state->dst.y1;
 216         uint32_t crtc_w = drm_rect_width(&plane_state->dst);
 217         uint32_t crtc_h = drm_rect_height(&plane_state->dst);
 218         uint32_t x = plane_state->src.x1 >> 16;
 219         uint32_t y = plane_state->src.y1 >> 16;
 220         uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
 221         uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
 222
 223         plane_ctl = PLANE_CTL_ENABLE |
 224                 PLANE_CTL_PIPE_GAMMA_ENABLE |
 225                 PLANE_CTL_PIPE_CSC_ENABLE;
 226
 227         plane_ctl |= skl_plane_ctl_format(fb->pixel_format);
 228         plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]);
 229
 230         plane_ctl |= skl_plane_ctl_rotation(rotation);
 231
 232         stride_div = intel_fb_stride_alignment(dev_priv, fb->modifier[0],
 233                                                fb->pixel_format);
 234
 235         /* Sizes are 0 based */
 236         src_w--;
 237         src_h--;
 238         crtc_w--;
 239         crtc_h--;
 240
 241         if (key->flags) {
 242                 I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value);
 243                 I915_WRITE(PLANE_KEYMAX(pipe, plane), key->max_value);
 244                 I915_WRITE(PLANE_KEYMSK(pipe, plane), key->channel_mask);
 245         }
 246
 247         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 248                 plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
 249         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 250                 plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
 251
 252         surf_addr = intel_plane_obj_offset(intel_plane, obj, 0);
 253
 254         if (intel_rotation_90_or_270(rotation)) {
 255                 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
 256
 257                 /* stride: Surface height in tiles */
 258                 tile_height = intel_tile_height(dev_priv, fb->modifier[0], cpp);
 259                 stride = DIV_ROUND_UP(fb->height, tile_height);
 260                 plane_size = (src_w << 16) | src_h;
 261                 x_offset = stride * tile_height - y - (src_h + 1);
 262                 y_offset = x;
 263         } else {
 264                 stride = fb->pitches[0] / stride_div;
 265                 plane_size = (src_h << 16) | src_w;
 266                 x_offset = x;
 267                 y_offset = y;
 268         }
 269         plane_offset = y_offset << 16 | x_offset;
 270
 271         I915_WRITE(PLANE_OFFSET(pipe, plane), plane_offset);
 272         I915_WRITE(PLANE_STRIDE(pipe, plane), stride);
 273         I915_WRITE(PLANE_SIZE(pipe, plane), plane_size);
 274
 275         /* program plane scaler */
 276         if (plane_state->scaler_id >= 0) {
 277                 int scaler_id = plane_state->scaler_id;
 278                 const struct intel_scaler *scaler;
 279
 280                 DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane,
 281                         PS_PLANE_SEL(plane));
 282
 283                 scaler = &crtc_state->scaler_state.scalers[scaler_id];
 284
 285                 I915_WRITE(SKL_PS_CTRL(pipe, scaler_id),
 286                            PS_SCALER_EN | PS_PLANE_SEL(plane) | scaler->mode);
 287                 I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
 288                 I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
 289                 I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id),
 290                         ((crtc_w + 1) << 16)|(crtc_h + 1));
 291
 292                 I915_WRITE(PLANE_POS(pipe, plane), 0);
 293         } else {
 294                 I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x);
 295         }
 296
 297         I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
 298         I915_WRITE(PLANE_SURF(pipe, plane), surf_addr);
 299         POSTING_READ(PLANE_SURF(pipe, plane));
 300 }
 301
 302 static void
 303 skl_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
 304 {
 305         struct drm_device *dev = dplane->dev;
 306         struct drm_i915_private *dev_priv = to_i915(dev);
 307         struct intel_plane *intel_plane = to_intel_plane(dplane);
 308         const int pipe = intel_plane->pipe;
 309         const int plane = intel_plane->plane + 1;
 310
 311         I915_WRITE(PLANE_CTL(pipe, plane), 0);
 312
 313         I915_WRITE(PLANE_SURF(pipe, plane), 0);
 314         POSTING_READ(PLANE_SURF(pipe, plane));
 315 }
 316
 317 static void
 318 chv_update_csc(struct intel_plane *intel_plane, uint32_t format)
 319 {
 320         struct drm_i915_private *dev_priv = to_i915(intel_plane->base.dev);
 321         int plane = intel_plane->plane;
 322
 323         /* Seems RGB data bypasses the CSC always */
 324         if (!format_is_yuv(format))
 325                 return;
 326
 327         /*
 328          * BT.601 limited range YCbCr -> full range RGB
 329          *
 330          * |r|   | 6537 4769     0|   |cr  |
 331          * |g| = |-3330 4769 -1605| x |y-64|
 332          * |b|   |    0 4769  8263|   |cb  |
 333          *
 334          * Cb and Cr apparently come in as signed already, so no
 335          * need for any offset. For Y we need to remove the offset.
 336          */
 337         I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
 338         I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
 339         I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
 340
 341         I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537));
 342         I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0));
 343         I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769));
 344         I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0));
 345         I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263));
 346
 347         I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64));
 348         I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
 349         I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
 350
 351         I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 352         I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 353         I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 354 }
 355
 356 static void
 357 vlv_update_plane(struct drm_plane *dplane,
 358                  const struct intel_crtc_state *crtc_state,
 359                  const struct intel_plane_state *plane_state)
 360 {
 361         struct drm_device *dev = dplane->dev;
 362         struct drm_i915_private *dev_priv = to_i915(dev);
 363         struct intel_plane *intel_plane = to_intel_plane(dplane);
 364         struct drm_framebuffer *fb = plane_state->base.fb;
 365         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 366         int pipe = intel_plane->pipe;
 367         int plane = intel_plane->plane;
 368         u32 sprctl;
 369         u32 sprsurf_offset, linear_offset;
 370         unsigned int rotation = dplane->state->rotation;
 371         int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
 372         const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 373         int crtc_x = plane_state->dst.x1;
 374         int crtc_y = plane_state->dst.y1;
 375         uint32_t crtc_w = drm_rect_width(&plane_state->dst);
 376         uint32_t crtc_h = drm_rect_height(&plane_state->dst);
 377         uint32_t x = plane_state->src.x1 >> 16;
 378         uint32_t y = plane_state->src.y1 >> 16;
 379         uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
 380         uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
 381
 382         sprctl = SP_ENABLE;
 383
 384         switch (fb->pixel_format) {
 385         case DRM_FORMAT_YUYV:
 386                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
 387                 break;
 388         case DRM_FORMAT_YVYU:
 389                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
 390                 break;
 391         case DRM_FORMAT_UYVY:
 392                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
 393                 break;
 394         case DRM_FORMAT_VYUY:
 395                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
 396                 break;
 397         case DRM_FORMAT_RGB565:
 398                 sprctl |= SP_FORMAT_BGR565;
 399                 break;
 400         case DRM_FORMAT_XRGB8888:
 401                 sprctl |= SP_FORMAT_BGRX8888;
 402                 break;
 403         case DRM_FORMAT_ARGB8888:
 404                 sprctl |= SP_FORMAT_BGRA8888;
 405                 break;
 406         case DRM_FORMAT_XBGR2101010:
 407                 sprctl |= SP_FORMAT_RGBX1010102;
 408                 break;
 409         case DRM_FORMAT_ABGR2101010:
 410                 sprctl |= SP_FORMAT_RGBA1010102;
 411                 break;
 412         case DRM_FORMAT_XBGR8888:
 413                 sprctl |= SP_FORMAT_RGBX8888;
 414                 break;
 415         case DRM_FORMAT_ABGR8888:
 416                 sprctl |= SP_FORMAT_RGBA8888;
 417                 break;
 418         default:
 419                 /*
 420                  * If we get here one of the upper layers failed to filter
 421                  * out the unsupported plane formats
 422                  */
 423                 BUG();
 424                 break;
 425         }
 426
 427         /*
 428          * Enable gamma to match primary/cursor plane behaviour.
 429          * FIXME should be user controllable via propertiesa.
 430          */
 431         sprctl |= SP_GAMMA_ENABLE;
 432
 433         if (obj->tiling_mode != I915_TILING_NONE)
 434                 sprctl |= SP_TILED;
 435
 436         /* Sizes are 0 based */
 437         src_w--;
 438         src_h--;
 439         crtc_w--;
 440         crtc_h--;
 441
 442         linear_offset = y * fb->pitches[0] + x * cpp;
 443         sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
 444                                                    fb->pitches[0], rotation);
 445         linear_offset -= sprsurf_offset;
 446
 447         if (rotation == BIT(DRM_ROTATE_180)) {
 448                 sprctl |= SP_ROTATE_180;
 449
 450                 x += src_w;
 451                 y += src_h;
 452                 linear_offset += src_h * fb->pitches[0] + src_w * cpp;
 453         }
 454
 455         if (key->flags) {
 456                 I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value);
 457                 I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value);
 458                 I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask);
 459         }
 460
 461         if (key->flags & I915_SET_COLORKEY_SOURCE)
 462                 sprctl |= SP_SOURCE_KEY;
 463
 464         if (IS_CHERRYVIEW(dev) && pipe == PIPE_B)
 465                 chv_update_csc(intel_plane, fb->pixel_format);
 466
 467         I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
 468         I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
 469
 470         if (obj->tiling_mode != I915_TILING_NONE)
 471                 I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
 472         else
 473                 I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
 474
 475         I915_WRITE(SPCONSTALPHA(pipe, plane), 0);
 476
 477         I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w);
 478         I915_WRITE(SPCNTR(pipe, plane), sprctl);
 479         I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) +
 480                    sprsurf_offset);
 481         POSTING_READ(SPSURF(pipe, plane));
 482 }
 483
 484 static void
 485 vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
 486 {
 487         struct drm_device *dev = dplane->dev;
 488         struct drm_i915_private *dev_priv = to_i915(dev);
 489         struct intel_plane *intel_plane = to_intel_plane(dplane);
 490         int pipe = intel_plane->pipe;
 491         int plane = intel_plane->plane;
 492
 493         I915_WRITE(SPCNTR(pipe, plane), 0);
 494
 495         I915_WRITE(SPSURF(pipe, plane), 0);
 496         POSTING_READ(SPSURF(pipe, plane));
 497 }
 498
 499 static void
 500 ivb_update_plane(struct drm_plane *plane,
 501                  const struct intel_crtc_state *crtc_state,
 502                  const struct intel_plane_state *plane_state)
 503 {
 504         struct drm_device *dev = plane->dev;
 505         struct drm_i915_private *dev_priv = to_i915(dev);
 506         struct intel_plane *intel_plane = to_intel_plane(plane);
 507         struct drm_framebuffer *fb = plane_state->base.fb;
 508         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 509         enum i915_pipe pipe = intel_plane->pipe;
 510         u32 sprctl, sprscale = 0;
 511         u32 sprsurf_offset, linear_offset;
 512         unsigned int rotation = plane_state->base.rotation;
 513         int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
 514         const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 515         int crtc_x = plane_state->dst.x1;
 516         int crtc_y = plane_state->dst.y1;
 517         uint32_t crtc_w = drm_rect_width(&plane_state->dst);
 518         uint32_t crtc_h = drm_rect_height(&plane_state->dst);
 519         uint32_t x = plane_state->src.x1 >> 16;
 520         uint32_t y = plane_state->src.y1 >> 16;
 521         uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
 522         uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
 523
 524         sprctl = SPRITE_ENABLE;
 525
 526         switch (fb->pixel_format) {
 527         case DRM_FORMAT_XBGR8888:
 528                 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
 529                 break;
 530         case DRM_FORMAT_XRGB8888:
 531                 sprctl |= SPRITE_FORMAT_RGBX888;
 532                 break;
 533         case DRM_FORMAT_YUYV:
 534                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
 535                 break;
 536         case DRM_FORMAT_YVYU:
 537                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
 538                 break;
 539         case DRM_FORMAT_UYVY:
 540                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
 541                 break;
 542         case DRM_FORMAT_VYUY:
 543                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
 544                 break;
 545         default:
 546                 BUG();
 547         }
 548
 549         /*
 550          * Enable gamma to match primary/cursor plane behaviour.
 551          * FIXME should be user controllable via propertiesa.
 552          */
 553         sprctl |= SPRITE_GAMMA_ENABLE;
 554
 555         if (obj->tiling_mode != I915_TILING_NONE)
 556                 sprctl |= SPRITE_TILED;
 557
 558         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 559                 sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE;
 560         else
 561                 sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
 562
 563         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 564                 sprctl |= SPRITE_PIPE_CSC_ENABLE;
 565
 566         /* Sizes are 0 based */
 567         src_w--;
 568         src_h--;
 569         crtc_w--;
 570         crtc_h--;
 571
 572         if (crtc_w != src_w || crtc_h != src_h)
 573                 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 574
 575         linear_offset = y * fb->pitches[0] + x * cpp;
 576         sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
 577                                                    fb->pitches[0], rotation);
 578         linear_offset -= sprsurf_offset;
 579
 580         if (rotation == BIT(DRM_ROTATE_180)) {
 581                 sprctl |= SPRITE_ROTATE_180;
 582
 583                 /* HSW and BDW does this automagically in hardware */
 584                 if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) {
 585                         x += src_w;
 586                         y += src_h;
 587                         linear_offset += src_h * fb->pitches[0] + src_w * cpp;
 588                 }
 589         }
 590
 591         if (key->flags) {
 592                 I915_WRITE(SPRKEYVAL(pipe), key->min_value);
 593                 I915_WRITE(SPRKEYMAX(pipe), key->max_value);
 594                 I915_WRITE(SPRKEYMSK(pipe), key->channel_mask);
 595         }
 596
 597         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 598                 sprctl |= SPRITE_DEST_KEY;
 599         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 600                 sprctl |= SPRITE_SOURCE_KEY;
 601
 602         I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
 603         I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 604
 605         /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
 606          * register */
 607         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 608                 I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
 609         else if (obj->tiling_mode != I915_TILING_NONE)
 610                 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
 611         else
 612                 I915_WRITE(SPRLINOFF(pipe), linear_offset);
 613
 614         I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 615         if (intel_plane->can_scale)
 616                 I915_WRITE(SPRSCALE(pipe), sprscale);
 617         I915_WRITE(SPRCTL(pipe), sprctl);
 618         I915_WRITE(SPRSURF(pipe),
 619                    i915_gem_obj_ggtt_offset(obj) + sprsurf_offset);
 620         POSTING_READ(SPRSURF(pipe));
 621 }
 622
 623 static void
 624 ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 625 {
 626         struct drm_device *dev = plane->dev;
 627         struct drm_i915_private *dev_priv = to_i915(dev);
 628         struct intel_plane *intel_plane = to_intel_plane(plane);
 629         int pipe = intel_plane->pipe;
 630
 631         I915_WRITE(SPRCTL(pipe), 0);
 632         /* Can't leave the scaler enabled... */
 633         if (intel_plane->can_scale)
 634                 I915_WRITE(SPRSCALE(pipe), 0);
 635
 636         I915_WRITE(SPRSURF(pipe), 0);
 637         POSTING_READ(SPRSURF(pipe));
 638 }
 639
 640 static void
 641 ilk_update_plane(struct drm_plane *plane,
 642                  const struct intel_crtc_state *crtc_state,
 643                  const struct intel_plane_state *plane_state)
 644 {
 645         struct drm_device *dev = plane->dev;
 646         struct drm_i915_private *dev_priv = to_i915(dev);
 647         struct intel_plane *intel_plane = to_intel_plane(plane);
 648         struct drm_framebuffer *fb = plane_state->base.fb;
 649         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 650         int pipe = intel_plane->pipe;
 651         u32 dvscntr, dvsscale;
 652         u32 dvssurf_offset, linear_offset;
 653         unsigned int rotation = plane_state->base.rotation;
 654         int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
 655         const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 656         int crtc_x = plane_state->dst.x1;
 657         int crtc_y = plane_state->dst.y1;
 658         uint32_t crtc_w = drm_rect_width(&plane_state->dst);
 659         uint32_t crtc_h = drm_rect_height(&plane_state->dst);
 660         uint32_t x = plane_state->src.x1 >> 16;
 661         uint32_t y = plane_state->src.y1 >> 16;
 662         uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
 663         uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
 664
 665         dvscntr = DVS_ENABLE;
 666
 667         switch (fb->pixel_format) {
 668         case DRM_FORMAT_XBGR8888:
 669                 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 670                 break;
 671         case DRM_FORMAT_XRGB8888:
 672                 dvscntr |= DVS_FORMAT_RGBX888;
 673                 break;
 674         case DRM_FORMAT_YUYV:
 675                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
 676                 break;
 677         case DRM_FORMAT_YVYU:
 678                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
 679                 break;
 680         case DRM_FORMAT_UYVY:
 681                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
 682                 break;
 683         case DRM_FORMAT_VYUY:
 684                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
 685                 break;
 686         default:
 687                 BUG();
 688         }
 689
 690         /*
 691          * Enable gamma to match primary/cursor plane behaviour.
 692          * FIXME should be user controllable via propertiesa.
 693          */
 694         dvscntr |= DVS_GAMMA_ENABLE;
 695
 696         if (obj->tiling_mode != I915_TILING_NONE)
 697                 dvscntr |= DVS_TILED;
 698
 699         if (IS_GEN6(dev))
 700                 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
 701
 702         /* Sizes are 0 based */
 703         src_w--;
 704         src_h--;
 705         crtc_w--;
 706         crtc_h--;
 707
 708         dvsscale = 0;
 709         if (crtc_w != src_w || crtc_h != src_h)
 710                 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 711
 712         linear_offset = y * fb->pitches[0] + x * cpp;
 713         dvssurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
 714                                                    fb->pitches[0], rotation);
 715         linear_offset -= dvssurf_offset;
 716
 717         if (rotation == BIT(DRM_ROTATE_180)) {
 718                 dvscntr |= DVS_ROTATE_180;
 719
 720                 x += src_w;
 721                 y += src_h;
 722                 linear_offset += src_h * fb->pitches[0] + src_w * cpp;
 723         }
 724
 725         if (key->flags) {
 726                 I915_WRITE(DVSKEYVAL(pipe), key->min_value);
 727                 I915_WRITE(DVSKEYMAX(pipe), key->max_value);
 728                 I915_WRITE(DVSKEYMSK(pipe), key->channel_mask);
 729         }
 730
 731         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 732                 dvscntr |= DVS_DEST_KEY;
 733         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 734                 dvscntr |= DVS_SOURCE_KEY;
 735
 736         I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
 737         I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
 738
 739         if (obj->tiling_mode != I915_TILING_NONE)
 740                 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
 741         else
 742                 I915_WRITE(DVSLINOFF(pipe), linear_offset);
 743
 744         I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
 745         I915_WRITE(DVSSCALE(pipe), dvsscale);
 746         I915_WRITE(DVSCNTR(pipe), dvscntr);
 747         I915_WRITE(DVSSURF(pipe),
 748                    i915_gem_obj_ggtt_offset(obj) + dvssurf_offset);
 749         POSTING_READ(DVSSURF(pipe));
 750 }
 751
 752 static void
 753 ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 754 {
 755         struct drm_device *dev = plane->dev;
 756         struct drm_i915_private *dev_priv = to_i915(dev);
 757         struct intel_plane *intel_plane = to_intel_plane(plane);
 758         int pipe = intel_plane->pipe;
 759
 760         I915_WRITE(DVSCNTR(pipe), 0);
 761         /* Disable the scaler */
 762         I915_WRITE(DVSSCALE(pipe), 0);
 763
 764         I915_WRITE(DVSSURF(pipe), 0);
 765         POSTING_READ(DVSSURF(pipe));
 766 }
 767
 768 static int
 769 intel_check_sprite_plane(struct drm_plane *plane,
 770                          struct intel_crtc_state *crtc_state,
 771                          struct intel_plane_state *state)
 772 {
 773         struct drm_device *dev = plane->dev;
 774         struct drm_crtc *crtc = state->base.crtc;
 775         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 776         struct intel_plane *intel_plane = to_intel_plane(plane);
 777         struct drm_framebuffer *fb = state->base.fb;
 778         int crtc_x, crtc_y;
 779         unsigned int crtc_w, crtc_h;
 780         uint32_t src_x, src_y, src_w, src_h;
 781         struct drm_rect *src = &state->src;
 782         struct drm_rect *dst = &state->dst;
 783         const struct drm_rect *clip = &state->clip;
 784         int hscale, vscale;
 785         int max_scale, min_scale;
 786         bool can_scale;
 787
 788         if (!fb) {
 789                 state->visible = false;
 790                 return 0;
 791         }
 792
 793         /* Don't modify another pipe's plane */
 794         if (intel_plane->pipe != intel_crtc->pipe) {
 795                 DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
 796                 return -EINVAL;
 797         }
 798
 799         /* FIXME check all gen limits */
 800         if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
 801                 DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
 802                 return -EINVAL;
 803         }
 804
 805         /* setup can_scale, min_scale, max_scale */
 806         if (INTEL_INFO(dev)->gen >= 9) {
 807                 /* use scaler when colorkey is not required */
 808                 if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 809                         can_scale = 1;
 810                         min_scale = 1;
 811                         max_scale = skl_max_scale(intel_crtc, crtc_state);
 812                 } else {
 813                         can_scale = 0;
 814                         min_scale = DRM_PLANE_HELPER_NO_SCALING;
 815                         max_scale = DRM_PLANE_HELPER_NO_SCALING;
 816                 }
 817         } else {
 818                 can_scale = intel_plane->can_scale;
 819                 max_scale = intel_plane->max_downscale << 16;
 820                 min_scale = intel_plane->can_scale ? 1 : (1 << 16);
 821         }
 822
 823         /*
 824          * FIXME the following code does a bunch of fuzzy adjustments to the
 825          * coordinates and sizes. We probably need some way to decide whether
 826          * more strict checking should be done instead.
 827          */
 828         drm_rect_rotate(src, fb->width << 16, fb->height << 16,
 829                         state->base.rotation);
 830
 831         hscale = drm_rect_calc_hscale_relaxed(src, dst, min_scale, max_scale);
 832         BUG_ON(hscale < 0);
 833
 834         vscale = drm_rect_calc_vscale_relaxed(src, dst, min_scale, max_scale);
 835         BUG_ON(vscale < 0);
 836
 837         state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
 838
 839         crtc_x = dst->x1;
 840         crtc_y = dst->y1;
 841         crtc_w = drm_rect_width(dst);
 842         crtc_h = drm_rect_height(dst);
 843
 844         if (state->visible) {
 845                 /* check again in case clipping clamped the results */
 846                 hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
 847                 if (hscale < 0) {
 848                         DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
 849                         drm_rect_debug_print("src: ", src, true);
 850                         drm_rect_debug_print("dst: ", dst, false);
 851
 852                         return hscale;
 853                 }
 854
 855                 vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
 856                 if (vscale < 0) {
 857                         DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
 858                         drm_rect_debug_print("src: ", src, true);
 859                         drm_rect_debug_print("dst: ", dst, false);
 860
 861                         return vscale;
 862                 }
 863
 864                 /* Make the source viewport size an exact multiple of the scaling factors. */
 865                 drm_rect_adjust_size(src,
 866                                      drm_rect_width(dst) * hscale - drm_rect_width(src),
 867                                      drm_rect_height(dst) * vscale - drm_rect_height(src));
 868
 869                 drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
 870                                     state->base.rotation);
 871
 872                 /* sanity check to make sure the src viewport wasn't enlarged */
 873                 WARN_ON(src->x1 < (int) state->base.src_x ||
 874                         src->y1 < (int) state->base.src_y ||
 875                         src->x2 > (int) state->base.src_x + state->base.src_w ||
 876                         src->y2 > (int) state->base.src_y + state->base.src_h);
 877
 878                 /*
 879                  * Hardware doesn't handle subpixel coordinates.
 880                  * Adjust to (macro)pixel boundary, but be careful not to
 881                  * increase the source viewport size, because that could
 882                  * push the downscaling factor out of bounds.
 883                  */
 884                 src_x = src->x1 >> 16;
 885                 src_w = drm_rect_width(src) >> 16;
 886                 src_y = src->y1 >> 16;
 887                 src_h = drm_rect_height(src) >> 16;
 888
 889                 if (format_is_yuv(fb->pixel_format)) {
 890                         src_x &= ~1;
 891                         src_w &= ~1;
 892
 893                         /*
 894                          * Must keep src and dst the
 895                          * same if we can't scale.
 896                          */
 897                         if (!can_scale)
 898                                 crtc_w &= ~1;
 899
 900                         if (crtc_w == 0)
 901                                 state->visible = false;
 902                 }
 903         }
 904
 905         /* Check size restrictions when scaling */
 906         if (state->visible && (src_w != crtc_w || src_h != crtc_h)) {
 907                 unsigned int width_bytes;
 908                 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
 909
 910                 WARN_ON(!can_scale);
 911
 912                 /* FIXME interlacing min height is 6 */
 913
 914                 if (crtc_w < 3 || crtc_h < 3)
 915                         state->visible = false;
 916
 917                 if (src_w < 3 || src_h < 3)
 918                         state->visible = false;
 919
 920                 width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
 921
 922                 if (INTEL_INFO(dev)->gen < 9 && (src_w > 2048 || src_h > 2048 ||
 923                     width_bytes > 4096 || fb->pitches[0] > 4096)) {
 924                         DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
 925                         return -EINVAL;
 926                 }
 927         }
 928
 929         if (state->visible) {
 930                 src->x1 = src_x << 16;
 931                 src->x2 = (src_x + src_w) << 16;
 932                 src->y1 = src_y << 16;
 933                 src->y2 = (src_y + src_h) << 16;
 934         }
 935
 936         dst->x1 = crtc_x;
 937         dst->x2 = crtc_x + crtc_w;
 938         dst->y1 = crtc_y;
 939         dst->y2 = crtc_y + crtc_h;
 940
 941         return 0;
 942 }
 943
 944 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 945                               struct drm_file *file_priv)
 946 {
 947         struct drm_intel_sprite_colorkey *set = data;
 948         struct drm_plane *plane;
 949         struct drm_plane_state *plane_state;
 950         struct drm_atomic_state *state;
 951         struct drm_modeset_acquire_ctx ctx;
 952         int ret = 0;
 953
 954         /* Make sure we don't try to enable both src & dest simultaneously */
 955         if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
 956                 return -EINVAL;
 957
 958         if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
 959             set->flags & I915_SET_COLORKEY_DESTINATION)
 960                 return -EINVAL;
 961
 962         plane = drm_plane_find(dev, set->plane_id);
 963         if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
 964                 return -ENOENT;
 965
 966         drm_modeset_acquire_init(&ctx, 0);
 967
 968         state = drm_atomic_state_alloc(plane->dev);
 969         if (!state) {
 970                 ret = -ENOMEM;
 971                 goto out;
 972         }
 973         state->acquire_ctx = &ctx;
 974
 975         while (1) {
 976                 plane_state = drm_atomic_get_plane_state(state, plane);
 977                 ret = PTR_ERR_OR_ZERO(plane_state);
 978                 if (!ret) {
 979                         to_intel_plane_state(plane_state)->ckey = *set;
 980                         ret = drm_atomic_commit(state);
 981                 }
 982
 983                 if (ret != -EDEADLK)
 984                         break;
 985
 986                 drm_atomic_state_clear(state);
 987                 drm_modeset_backoff(&ctx);
 988         }
 989
 990         if (ret)
 991                 drm_atomic_state_free(state);
 992
 993 out:
 994         drm_modeset_drop_locks(&ctx);
 995         drm_modeset_acquire_fini(&ctx);
 996         return ret;
 997 }
 998
 999 static const uint32_t ilk_plane_formats[] = {
1000         DRM_FORMAT_XRGB8888,
1001         DRM_FORMAT_YUYV,
1002         DRM_FORMAT_YVYU,
1003         DRM_FORMAT_UYVY,
1004         DRM_FORMAT_VYUY,
1005 };
1006
1007 static const uint32_t snb_plane_formats[] = {
1008         DRM_FORMAT_XBGR8888,
1009         DRM_FORMAT_XRGB8888,
1010         DRM_FORMAT_YUYV,
1011         DRM_FORMAT_YVYU,
1012         DRM_FORMAT_UYVY,
1013         DRM_FORMAT_VYUY,
1014 };
1015
1016 static const uint32_t vlv_plane_formats[] = {
1017         DRM_FORMAT_RGB565,
1018         DRM_FORMAT_ABGR8888,
1019         DRM_FORMAT_ARGB8888,
1020         DRM_FORMAT_XBGR8888,
1021         DRM_FORMAT_XRGB8888,
1022         DRM_FORMAT_XBGR2101010,
1023         DRM_FORMAT_ABGR2101010,
1024         DRM_FORMAT_YUYV,
1025         DRM_FORMAT_YVYU,
1026         DRM_FORMAT_UYVY,
1027         DRM_FORMAT_VYUY,
1028 };
1029
1030 static uint32_t skl_plane_formats[] = {
1031         DRM_FORMAT_RGB565,
1032         DRM_FORMAT_ABGR8888,
1033         DRM_FORMAT_ARGB8888,
1034         DRM_FORMAT_XBGR8888,
1035         DRM_FORMAT_XRGB8888,
1036         DRM_FORMAT_YUYV,
1037         DRM_FORMAT_YVYU,
1038         DRM_FORMAT_UYVY,
1039         DRM_FORMAT_VYUY,
1040 };
1041
1042 int
1043 intel_plane_init(struct drm_device *dev, enum i915_pipe pipe, int plane)
1044 {
1045         struct intel_plane *intel_plane = NULL;
1046         struct intel_plane_state *state = NULL;
1047         unsigned long possible_crtcs;
1048         const uint32_t *plane_formats;
1049         int num_plane_formats;
1050         int ret;
1051
1052         if (INTEL_INFO(dev)->gen < 5)
1053                 return -ENODEV;
1054
1055         intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
1056         if (!intel_plane) {
1057                 ret = -ENOMEM;
1058                 goto fail;
1059         }
1060
1061         state = intel_create_plane_state(&intel_plane->base);
1062         if (!state) {
1063                 ret = -ENOMEM;
1064                 goto fail;
1065         }
1066         intel_plane->base.state = &state->base;
1067
1068         switch (INTEL_INFO(dev)->gen) {
1069         case 5:
1070         case 6:
1071                 intel_plane->can_scale = true;
1072                 intel_plane->max_downscale = 16;
1073                 intel_plane->update_plane = ilk_update_plane;
1074                 intel_plane->disable_plane = ilk_disable_plane;
1075
1076                 if (IS_GEN6(dev)) {
1077                         plane_formats = snb_plane_formats;
1078                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1079                 } else {
1080                         plane_formats = ilk_plane_formats;
1081                         num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
1082                 }
1083                 break;
1084
1085         case 7:
1086         case 8:
1087                 if (IS_IVYBRIDGE(dev)) {
1088                         intel_plane->can_scale = true;
1089                         intel_plane->max_downscale = 2;
1090                 } else {
1091                         intel_plane->can_scale = false;
1092                         intel_plane->max_downscale = 1;
1093                 }
1094
1095                 if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
1096                         intel_plane->update_plane = vlv_update_plane;
1097                         intel_plane->disable_plane = vlv_disable_plane;
1098
1099                         plane_formats = vlv_plane_formats;
1100                         num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
1101                 } else {
1102                         intel_plane->update_plane = ivb_update_plane;
1103                         intel_plane->disable_plane = ivb_disable_plane;
1104
1105                         plane_formats = snb_plane_formats;
1106                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1107                 }
1108                 break;
1109         case 9:
1110                 intel_plane->can_scale = true;
1111                 intel_plane->update_plane = skl_update_plane;
1112                 intel_plane->disable_plane = skl_disable_plane;
1113                 state->scaler_id = -1;
1114
1115                 plane_formats = skl_plane_formats;
1116                 num_plane_formats = ARRAY_SIZE(skl_plane_formats);
1117                 break;
1118         default:
1119                 MISSING_CASE(INTEL_INFO(dev)->gen);
1120                 ret = -ENODEV;
1121                 goto fail;
1122         }
1123
1124         intel_plane->pipe = pipe;
1125         intel_plane->plane = plane;
1126         intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane);
1127         intel_plane->check_plane = intel_check_sprite_plane;
1128
1129         possible_crtcs = (1 << pipe);
1130
1131         if (INTEL_INFO(dev)->gen >= 9)
1132                 ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
1133                                                &intel_plane_funcs,
1134                                                plane_formats, num_plane_formats,
1135                                                DRM_PLANE_TYPE_OVERLAY,
1136                                                "plane %d%c", plane + 2, pipe_name(pipe));
1137         else
1138                 ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
1139                                                &intel_plane_funcs,
1140                                                plane_formats, num_plane_formats,
1141                                                DRM_PLANE_TYPE_OVERLAY,
1142                                                "sprite %c", sprite_name(pipe, plane));
1143         if (ret)
1144                 goto fail;
1145
1146         intel_create_rotation_property(dev, intel_plane);
1147
1148         drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
1149
1150         return 0;
1151
1152 fail:
1153         kfree(state);
1154         kfree(intel_plane);
1155
1156         return ret;
1157 }