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 <[email protected]>
  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         struct drm_device *dev = crtc->base.dev;
  84         const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
  85         enum pipe pipe = crtc->pipe;
  86         long timeout = msecs_to_jiffies_timeout(1);
  87         int scanline, min, max, vblank_start;
  88         wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
  89         DEFINE_WAIT(wait);
  90
  91         vblank_start = adjusted_mode->crtc_vblank_start;
  92         if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
  93                 vblank_start = DIV_ROUND_UP(vblank_start, 2);
  94
  95         /* FIXME needs to be calibrated sensibly */
  96         min = vblank_start - usecs_to_scanlines(adjusted_mode, 100);
  97         max = vblank_start - 1;
  98
  99         local_irq_disable();
 100
 101         if (min <= 0 || max <= 0)
 102                 return;
 103
 104         if (WARN_ON(drm_crtc_vblank_get(&crtc->base)))
 105                 return;
 106
 107         crtc->debug.min_vbl = min;
 108         crtc->debug.max_vbl = max;
 109         trace_i915_pipe_update_start(crtc);
 110
 111         for (;;) {
 112                 /*
 113                  * prepare_to_wait() has a memory barrier, which guarantees
 114                  * other CPUs can see the task state update by the time we
 115                  * read the scanline.
 116                  */
 117                 prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
 118
 119                 scanline = intel_get_crtc_scanline(crtc);
 120                 if (scanline < min || scanline > max)
 121                         break;
 122
 123                 if (timeout <= 0) {
 124                         DRM_ERROR("Potential atomic update failure on pipe %c\n",
 125                                   pipe_name(crtc->pipe));
 126                         break;
 127                 }
 128
 129                 local_irq_enable();
 130
 131                 timeout = schedule_timeout(timeout);
 132
 133                 local_irq_disable();
 134         }
 135
 136         finish_wait(wq, &wait);
 137
 138         drm_crtc_vblank_put(&crtc->base);
 139
 140         crtc->debug.scanline_start = scanline;
 141         crtc->debug.start_vbl_time = ktime_get();
 142         crtc->debug.start_vbl_count =
 143                 dev->driver->get_vblank_counter(dev, pipe);
 144
 145         trace_i915_pipe_update_vblank_evaded(crtc);
 146 }
 147
 148 /**
 149  * intel_pipe_update_end() - end update of a set of display registers
 150  * @crtc: the crtc of which the registers were updated
 151  * @start_vbl_count: start vblank counter (used for error checking)
 152  *
 153  * Mark the end of an update started with intel_pipe_update_start(). This
 154  * re-enables interrupts and verifies the update was actually completed
 155  * before a vblank using the value of @start_vbl_count.
 156  */
 157 void intel_pipe_update_end(struct intel_crtc *crtc)
 158 {
 159         struct drm_device *dev = crtc->base.dev;
 160         enum pipe pipe = crtc->pipe;
 161         int scanline_end = intel_get_crtc_scanline(crtc);
 162         u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
 163         ktime_t end_vbl_time = ktime_get();
 164
 165         trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
 166
 167         local_irq_enable();
 168
 169         if (crtc->debug.start_vbl_count &&
 170             crtc->debug.start_vbl_count != end_vbl_count) {
 171                 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",
 172                           pipe_name(pipe), crtc->debug.start_vbl_count,
 173                           end_vbl_count,
 174                           ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
 175                           crtc->debug.min_vbl, crtc->debug.max_vbl,
 176                           crtc->debug.scanline_start, scanline_end);
 177         }
 178 }
 179
 180 static void
 181 skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
 182                  struct drm_framebuffer *fb,
 183                  int crtc_x, int crtc_y,
 184                  unsigned int crtc_w, unsigned int crtc_h,
 185                  uint32_t x, uint32_t y,
 186                  uint32_t src_w, uint32_t src_h)
 187 {
 188         struct drm_device *dev = drm_plane->dev;
 189         struct drm_i915_private *dev_priv = dev->dev_private;
 190         struct intel_plane *intel_plane = to_intel_plane(drm_plane);
 191         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 192         const int pipe = intel_plane->pipe;
 193         const int plane = intel_plane->plane + 1;
 194         u32 plane_ctl, stride_div, stride;
 195         const struct drm_intel_sprite_colorkey *key =
 196                 &to_intel_plane_state(drm_plane->state)->ckey;
 197         u32 surf_addr;
 198         u32 tile_height, plane_offset, plane_size;
 199         unsigned int rotation;
 200         int x_offset, y_offset;
 201         struct intel_crtc_state *crtc_state = to_intel_crtc(crtc)->config;
 202         int scaler_id;
 203
 204         plane_ctl = PLANE_CTL_ENABLE |
 205                 PLANE_CTL_PIPE_GAMMA_ENABLE |
 206                 PLANE_CTL_PIPE_CSC_ENABLE;
 207
 208         plane_ctl |= skl_plane_ctl_format(fb->pixel_format);
 209         plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]);
 210
 211         rotation = drm_plane->state->rotation;
 212         plane_ctl |= skl_plane_ctl_rotation(rotation);
 213
 214         stride_div = intel_fb_stride_alignment(dev, fb->modifier[0],
 215                                                fb->pixel_format);
 216
 217         scaler_id = to_intel_plane_state(drm_plane->state)->scaler_id;
 218
 219         /* Sizes are 0 based */
 220         src_w--;
 221         src_h--;
 222         crtc_w--;
 223         crtc_h--;
 224
 225         if (key->flags) {
 226                 I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value);
 227                 I915_WRITE(PLANE_KEYMAX(pipe, plane), key->max_value);
 228                 I915_WRITE(PLANE_KEYMSK(pipe, plane), key->channel_mask);
 229         }
 230
 231         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 232                 plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
 233         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 234                 plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
 235
 236         surf_addr = intel_plane_obj_offset(intel_plane, obj, 0);
 237
 238         if (intel_rotation_90_or_270(rotation)) {
 239                 /* stride: Surface height in tiles */
 240                 tile_height = intel_tile_height(dev, fb->pixel_format,
 241                                                 fb->modifier[0], 0);
 242                 stride = DIV_ROUND_UP(fb->height, tile_height);
 243                 plane_size = (src_w << 16) | src_h;
 244                 x_offset = stride * tile_height - y - (src_h + 1);
 245                 y_offset = x;
 246         } else {
 247                 stride = fb->pitches[0] / stride_div;
 248                 plane_size = (src_h << 16) | src_w;
 249                 x_offset = x;
 250                 y_offset = y;
 251         }
 252         plane_offset = y_offset << 16 | x_offset;
 253
 254         I915_WRITE(PLANE_OFFSET(pipe, plane), plane_offset);
 255         I915_WRITE(PLANE_STRIDE(pipe, plane), stride);
 256         I915_WRITE(PLANE_SIZE(pipe, plane), plane_size);
 257
 258         /* program plane scaler */
 259         if (scaler_id >= 0) {
 260                 uint32_t ps_ctrl = 0;
 261
 262                 DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane,
 263                         PS_PLANE_SEL(plane));
 264                 ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(plane) |
 265                         crtc_state->scaler_state.scalers[scaler_id].mode;
 266                 I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl);
 267                 I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
 268                 I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
 269                 I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id),
 270                         ((crtc_w + 1) << 16)|(crtc_h + 1));
 271
 272                 I915_WRITE(PLANE_POS(pipe, plane), 0);
 273         } else {
 274                 I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x);
 275         }
 276
 277         I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
 278         I915_WRITE(PLANE_SURF(pipe, plane), surf_addr);
 279         POSTING_READ(PLANE_SURF(pipe, plane));
 280 }
 281
 282 static void
 283 skl_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
 284 {
 285         struct drm_device *dev = dplane->dev;
 286         struct drm_i915_private *dev_priv = dev->dev_private;
 287         struct intel_plane *intel_plane = to_intel_plane(dplane);
 288         const int pipe = intel_plane->pipe;
 289         const int plane = intel_plane->plane + 1;
 290
 291         I915_WRITE(PLANE_CTL(pipe, plane), 0);
 292
 293         I915_WRITE(PLANE_SURF(pipe, plane), 0);
 294         POSTING_READ(PLANE_SURF(pipe, plane));
 295 }
 296
 297 static void
 298 chv_update_csc(struct intel_plane *intel_plane, uint32_t format)
 299 {
 300         struct drm_i915_private *dev_priv = intel_plane->base.dev->dev_private;
 301         int plane = intel_plane->plane;
 302
 303         /* Seems RGB data bypasses the CSC always */
 304         if (!format_is_yuv(format))
 305                 return;
 306
 307         /*
 308          * BT.601 limited range YCbCr -> full range RGB
 309          *
 310          * |r|   | 6537 4769     0|   |cr  |
 311          * |g| = |-3330 4769 -1605| x |y-64|
 312          * |b|   |    0 4769  8263|   |cb  |
 313          *
 314          * Cb and Cr apparently come in as signed already, so no
 315          * need for any offset. For Y we need to remove the offset.
 316          */
 317         I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
 318         I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
 319         I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
 320
 321         I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537));
 322         I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0));
 323         I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769));
 324         I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0));
 325         I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263));
 326
 327         I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64));
 328         I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
 329         I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
 330
 331         I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 332         I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 333         I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 334 }
 335
 336 static void
 337 vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc,
 338                  struct drm_framebuffer *fb,
 339                  int crtc_x, int crtc_y,
 340                  unsigned int crtc_w, unsigned int crtc_h,
 341                  uint32_t x, uint32_t y,
 342                  uint32_t src_w, uint32_t src_h)
 343 {
 344         struct drm_device *dev = dplane->dev;
 345         struct drm_i915_private *dev_priv = dev->dev_private;
 346         struct intel_plane *intel_plane = to_intel_plane(dplane);
 347         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 348         int pipe = intel_plane->pipe;
 349         int plane = intel_plane->plane;
 350         u32 sprctl;
 351         unsigned long sprsurf_offset, linear_offset;
 352         int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 353         const struct drm_intel_sprite_colorkey *key =
 354                 &to_intel_plane_state(dplane->state)->ckey;
 355
 356         sprctl = SP_ENABLE;
 357
 358         switch (fb->pixel_format) {
 359         case DRM_FORMAT_YUYV:
 360                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
 361                 break;
 362         case DRM_FORMAT_YVYU:
 363                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
 364                 break;
 365         case DRM_FORMAT_UYVY:
 366                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
 367                 break;
 368         case DRM_FORMAT_VYUY:
 369                 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
 370                 break;
 371         case DRM_FORMAT_RGB565:
 372                 sprctl |= SP_FORMAT_BGR565;
 373                 break;
 374         case DRM_FORMAT_XRGB8888:
 375                 sprctl |= SP_FORMAT_BGRX8888;
 376                 break;
 377         case DRM_FORMAT_ARGB8888:
 378                 sprctl |= SP_FORMAT_BGRA8888;
 379                 break;
 380         case DRM_FORMAT_XBGR2101010:
 381                 sprctl |= SP_FORMAT_RGBX1010102;
 382                 break;
 383         case DRM_FORMAT_ABGR2101010:
 384                 sprctl |= SP_FORMAT_RGBA1010102;
 385                 break;
 386         case DRM_FORMAT_XBGR8888:
 387                 sprctl |= SP_FORMAT_RGBX8888;
 388                 break;
 389         case DRM_FORMAT_ABGR8888:
 390                 sprctl |= SP_FORMAT_RGBA8888;
 391                 break;
 392         default:
 393                 /*
 394                  * If we get here one of the upper layers failed to filter
 395                  * out the unsupported plane formats
 396                  */
 397                 BUG();
 398                 break;
 399         }
 400
 401         /*
 402          * Enable gamma to match primary/cursor plane behaviour.
 403          * FIXME should be user controllable via propertiesa.
 404          */
 405         sprctl |= SP_GAMMA_ENABLE;
 406
 407         if (obj->tiling_mode != I915_TILING_NONE)
 408                 sprctl |= SP_TILED;
 409
 410         /* Sizes are 0 based */
 411         src_w--;
 412         src_h--;
 413         crtc_w--;
 414         crtc_h--;
 415
 416         linear_offset = y * fb->pitches[0] + x * pixel_size;
 417         sprsurf_offset = intel_gen4_compute_page_offset(dev_priv,
 418                                                         &x, &y,
 419                                                         obj->tiling_mode,
 420                                                         pixel_size,
 421                                                         fb->pitches[0]);
 422         linear_offset -= sprsurf_offset;
 423
 424         if (dplane->state->rotation == BIT(DRM_ROTATE_180)) {
 425                 sprctl |= SP_ROTATE_180;
 426
 427                 x += src_w;
 428                 y += src_h;
 429                 linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
 430         }
 431
 432         if (key->flags) {
 433                 I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value);
 434                 I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value);
 435                 I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask);
 436         }
 437
 438         if (key->flags & I915_SET_COLORKEY_SOURCE)
 439                 sprctl |= SP_SOURCE_KEY;
 440
 441         if (IS_CHERRYVIEW(dev) && pipe == PIPE_B)
 442                 chv_update_csc(intel_plane, fb->pixel_format);
 443
 444         I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
 445         I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
 446
 447         if (obj->tiling_mode != I915_TILING_NONE)
 448                 I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
 449         else
 450                 I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
 451
 452         I915_WRITE(SPCONSTALPHA(pipe, plane), 0);
 453
 454         I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w);
 455         I915_WRITE(SPCNTR(pipe, plane), sprctl);
 456         I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) +
 457                    sprsurf_offset);
 458         POSTING_READ(SPSURF(pipe, plane));
 459 }
 460
 461 static void
 462 vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
 463 {
 464         struct drm_device *dev = dplane->dev;
 465         struct drm_i915_private *dev_priv = dev->dev_private;
 466         struct intel_plane *intel_plane = to_intel_plane(dplane);
 467         int pipe = intel_plane->pipe;
 468         int plane = intel_plane->plane;
 469
 470         I915_WRITE(SPCNTR(pipe, plane), 0);
 471
 472         I915_WRITE(SPSURF(pipe, plane), 0);
 473         POSTING_READ(SPSURF(pipe, plane));
 474 }
 475
 476 static void
 477 ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 478                  struct drm_framebuffer *fb,
 479                  int crtc_x, int crtc_y,
 480                  unsigned int crtc_w, unsigned int crtc_h,
 481                  uint32_t x, uint32_t y,
 482                  uint32_t src_w, uint32_t src_h)
 483 {
 484         struct drm_device *dev = plane->dev;
 485         struct drm_i915_private *dev_priv = dev->dev_private;
 486         struct intel_plane *intel_plane = to_intel_plane(plane);
 487         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 488         enum pipe pipe = intel_plane->pipe;
 489         u32 sprctl, sprscale = 0;
 490         unsigned long sprsurf_offset, linear_offset;
 491         int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 492         const struct drm_intel_sprite_colorkey *key =
 493                 &to_intel_plane_state(plane->state)->ckey;
 494
 495         sprctl = SPRITE_ENABLE;
 496
 497         switch (fb->pixel_format) {
 498         case DRM_FORMAT_XBGR8888:
 499                 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
 500                 break;
 501         case DRM_FORMAT_XRGB8888:
 502                 sprctl |= SPRITE_FORMAT_RGBX888;
 503                 break;
 504         case DRM_FORMAT_YUYV:
 505                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
 506                 break;
 507         case DRM_FORMAT_YVYU:
 508                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
 509                 break;
 510         case DRM_FORMAT_UYVY:
 511                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
 512                 break;
 513         case DRM_FORMAT_VYUY:
 514                 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
 515                 break;
 516         default:
 517                 BUG();
 518         }
 519
 520         /*
 521          * Enable gamma to match primary/cursor plane behaviour.
 522          * FIXME should be user controllable via propertiesa.
 523          */
 524         sprctl |= SPRITE_GAMMA_ENABLE;
 525
 526         if (obj->tiling_mode != I915_TILING_NONE)
 527                 sprctl |= SPRITE_TILED;
 528
 529         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 530                 sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE;
 531         else
 532                 sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
 533
 534         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 535                 sprctl |= SPRITE_PIPE_CSC_ENABLE;
 536
 537         /* Sizes are 0 based */
 538         src_w--;
 539         src_h--;
 540         crtc_w--;
 541         crtc_h--;
 542
 543         if (crtc_w != src_w || crtc_h != src_h)
 544                 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 545
 546         linear_offset = y * fb->pitches[0] + x * pixel_size;
 547         sprsurf_offset =
 548                 intel_gen4_compute_page_offset(dev_priv,
 549                                                &x, &y, obj->tiling_mode,
 550                                                pixel_size, fb->pitches[0]);
 551         linear_offset -= sprsurf_offset;
 552
 553         if (plane->state->rotation == BIT(DRM_ROTATE_180)) {
 554                 sprctl |= SPRITE_ROTATE_180;
 555
 556                 /* HSW and BDW does this automagically in hardware */
 557                 if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) {
 558                         x += src_w;
 559                         y += src_h;
 560                         linear_offset += src_h * fb->pitches[0] +
 561                                 src_w * pixel_size;
 562                 }
 563         }
 564
 565         if (key->flags) {
 566                 I915_WRITE(SPRKEYVAL(pipe), key->min_value);
 567                 I915_WRITE(SPRKEYMAX(pipe), key->max_value);
 568                 I915_WRITE(SPRKEYMSK(pipe), key->channel_mask);
 569         }
 570
 571         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 572                 sprctl |= SPRITE_DEST_KEY;
 573         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 574                 sprctl |= SPRITE_SOURCE_KEY;
 575
 576         I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
 577         I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 578
 579         /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
 580          * register */
 581         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
 582                 I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
 583         else if (obj->tiling_mode != I915_TILING_NONE)
 584                 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
 585         else
 586                 I915_WRITE(SPRLINOFF(pipe), linear_offset);
 587
 588         I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 589         if (intel_plane->can_scale)
 590                 I915_WRITE(SPRSCALE(pipe), sprscale);
 591         I915_WRITE(SPRCTL(pipe), sprctl);
 592         I915_WRITE(SPRSURF(pipe),
 593                    i915_gem_obj_ggtt_offset(obj) + sprsurf_offset);
 594         POSTING_READ(SPRSURF(pipe));
 595 }
 596
 597 static void
 598 ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 599 {
 600         struct drm_device *dev = plane->dev;
 601         struct drm_i915_private *dev_priv = dev->dev_private;
 602         struct intel_plane *intel_plane = to_intel_plane(plane);
 603         int pipe = intel_plane->pipe;
 604
 605         I915_WRITE(SPRCTL(pipe), 0);
 606         /* Can't leave the scaler enabled... */
 607         if (intel_plane->can_scale)
 608                 I915_WRITE(SPRSCALE(pipe), 0);
 609
 610         I915_WRITE(SPRSURF(pipe), 0);
 611         POSTING_READ(SPRSURF(pipe));
 612 }
 613
 614 static void
 615 ilk_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 616                  struct drm_framebuffer *fb,
 617                  int crtc_x, int crtc_y,
 618                  unsigned int crtc_w, unsigned int crtc_h,
 619                  uint32_t x, uint32_t y,
 620                  uint32_t src_w, uint32_t src_h)
 621 {
 622         struct drm_device *dev = plane->dev;
 623         struct drm_i915_private *dev_priv = dev->dev_private;
 624         struct intel_plane *intel_plane = to_intel_plane(plane);
 625         struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 626         int pipe = intel_plane->pipe;
 627         unsigned long dvssurf_offset, linear_offset;
 628         u32 dvscntr, dvsscale;
 629         int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 630         const struct drm_intel_sprite_colorkey *key =
 631                 &to_intel_plane_state(plane->state)->ckey;
 632
 633         dvscntr = DVS_ENABLE;
 634
 635         switch (fb->pixel_format) {
 636         case DRM_FORMAT_XBGR8888:
 637                 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
 638                 break;
 639         case DRM_FORMAT_XRGB8888:
 640                 dvscntr |= DVS_FORMAT_RGBX888;
 641                 break;
 642         case DRM_FORMAT_YUYV:
 643                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
 644                 break;
 645         case DRM_FORMAT_YVYU:
 646                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
 647                 break;
 648         case DRM_FORMAT_UYVY:
 649                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
 650                 break;
 651         case DRM_FORMAT_VYUY:
 652                 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
 653                 break;
 654         default:
 655                 BUG();
 656         }
 657
 658         /*
 659          * Enable gamma to match primary/cursor plane behaviour.
 660          * FIXME should be user controllable via propertiesa.
 661          */
 662         dvscntr |= DVS_GAMMA_ENABLE;
 663
 664         if (obj->tiling_mode != I915_TILING_NONE)
 665                 dvscntr |= DVS_TILED;
 666
 667         if (IS_GEN6(dev))
 668                 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
 669
 670         /* Sizes are 0 based */
 671         src_w--;
 672         src_h--;
 673         crtc_w--;
 674         crtc_h--;
 675
 676         dvsscale = 0;
 677         if (crtc_w != src_w || crtc_h != src_h)
 678                 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 679
 680         linear_offset = y * fb->pitches[0] + x * pixel_size;
 681         dvssurf_offset =
 682                 intel_gen4_compute_page_offset(dev_priv,
 683                                                &x, &y, obj->tiling_mode,
 684                                                pixel_size, fb->pitches[0]);
 685         linear_offset -= dvssurf_offset;
 686
 687         if (plane->state->rotation == BIT(DRM_ROTATE_180)) {
 688                 dvscntr |= DVS_ROTATE_180;
 689
 690                 x += src_w;
 691                 y += src_h;
 692                 linear_offset += src_h * fb->pitches[0] + src_w * pixel_size;
 693         }
 694
 695         if (key->flags) {
 696                 I915_WRITE(DVSKEYVAL(pipe), key->min_value);
 697                 I915_WRITE(DVSKEYMAX(pipe), key->max_value);
 698                 I915_WRITE(DVSKEYMSK(pipe), key->channel_mask);
 699         }
 700
 701         if (key->flags & I915_SET_COLORKEY_DESTINATION)
 702                 dvscntr |= DVS_DEST_KEY;
 703         else if (key->flags & I915_SET_COLORKEY_SOURCE)
 704                 dvscntr |= DVS_SOURCE_KEY;
 705
 706         I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
 707         I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
 708
 709         if (obj->tiling_mode != I915_TILING_NONE)
 710                 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
 711         else
 712                 I915_WRITE(DVSLINOFF(pipe), linear_offset);
 713
 714         I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
 715         I915_WRITE(DVSSCALE(pipe), dvsscale);
 716         I915_WRITE(DVSCNTR(pipe), dvscntr);
 717         I915_WRITE(DVSSURF(pipe),
 718                    i915_gem_obj_ggtt_offset(obj) + dvssurf_offset);
 719         POSTING_READ(DVSSURF(pipe));
 720 }
 721
 722 static void
 723 ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 724 {
 725         struct drm_device *dev = plane->dev;
 726         struct drm_i915_private *dev_priv = dev->dev_private;
 727         struct intel_plane *intel_plane = to_intel_plane(plane);
 728         int pipe = intel_plane->pipe;
 729
 730         I915_WRITE(DVSCNTR(pipe), 0);
 731         /* Disable the scaler */
 732         I915_WRITE(DVSSCALE(pipe), 0);
 733
 734         I915_WRITE(DVSSURF(pipe), 0);
 735         POSTING_READ(DVSSURF(pipe));
 736 }
 737
 738 static int
 739 intel_check_sprite_plane(struct drm_plane *plane,
 740                          struct intel_crtc_state *crtc_state,
 741                          struct intel_plane_state *state)
 742 {
 743         struct drm_device *dev = plane->dev;
 744         struct drm_crtc *crtc = state->base.crtc;
 745         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 746         struct intel_plane *intel_plane = to_intel_plane(plane);
 747         struct drm_framebuffer *fb = state->base.fb;
 748         int crtc_x, crtc_y;
 749         unsigned int crtc_w, crtc_h;
 750         uint32_t src_x, src_y, src_w, src_h;
 751         struct drm_rect *src = &state->src;
 752         struct drm_rect *dst = &state->dst;
 753         const struct drm_rect *clip = &state->clip;
 754         int hscale, vscale;
 755         int max_scale, min_scale;
 756         bool can_scale;
 757         int pixel_size;
 758
 759         if (!fb) {
 760                 state->visible = false;
 761                 return 0;
 762         }
 763
 764         /* Don't modify another pipe's plane */
 765         if (intel_plane->pipe != intel_crtc->pipe) {
 766                 DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
 767                 return -EINVAL;
 768         }
 769
 770         /* FIXME check all gen limits */
 771         if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
 772                 DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
 773                 return -EINVAL;
 774         }
 775
 776         /* setup can_scale, min_scale, max_scale */
 777         if (INTEL_INFO(dev)->gen >= 9) {
 778                 /* use scaler when colorkey is not required */
 779                 if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
 780                         can_scale = 1;
 781                         min_scale = 1;
 782                         max_scale = skl_max_scale(intel_crtc, crtc_state);
 783                 } else {
 784                         can_scale = 0;
 785                         min_scale = DRM_PLANE_HELPER_NO_SCALING;
 786                         max_scale = DRM_PLANE_HELPER_NO_SCALING;
 787                 }
 788         } else {
 789                 can_scale = intel_plane->can_scale;
 790                 max_scale = intel_plane->max_downscale << 16;
 791                 min_scale = intel_plane->can_scale ? 1 : (1 << 16);
 792         }
 793
 794         /*
 795          * FIXME the following code does a bunch of fuzzy adjustments to the
 796          * coordinates and sizes. We probably need some way to decide whether
 797          * more strict checking should be done instead.
 798          */
 799         drm_rect_rotate(src, fb->width << 16, fb->height << 16,
 800                         state->base.rotation);
 801
 802         hscale = drm_rect_calc_hscale_relaxed(src, dst, min_scale, max_scale);
 803         BUG_ON(hscale < 0);
 804
 805         vscale = drm_rect_calc_vscale_relaxed(src, dst, min_scale, max_scale);
 806         BUG_ON(vscale < 0);
 807
 808         state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
 809
 810         crtc_x = dst->x1;
 811         crtc_y = dst->y1;
 812         crtc_w = drm_rect_width(dst);
 813         crtc_h = drm_rect_height(dst);
 814
 815         if (state->visible) {
 816                 /* check again in case clipping clamped the results */
 817                 hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
 818                 if (hscale < 0) {
 819                         DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
 820                         drm_rect_debug_print("src: ", src, true);
 821                         drm_rect_debug_print("dst: ", dst, false);
 822
 823                         return hscale;
 824                 }
 825
 826                 vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
 827                 if (vscale < 0) {
 828                         DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
 829                         drm_rect_debug_print("src: ", src, true);
 830                         drm_rect_debug_print("dst: ", dst, false);
 831
 832                         return vscale;
 833                 }
 834
 835                 /* Make the source viewport size an exact multiple of the scaling factors. */
 836                 drm_rect_adjust_size(src,
 837                                      drm_rect_width(dst) * hscale - drm_rect_width(src),
 838                                      drm_rect_height(dst) * vscale - drm_rect_height(src));
 839
 840                 drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
 841                                     state->base.rotation);
 842
 843                 /* sanity check to make sure the src viewport wasn't enlarged */
 844                 WARN_ON(src->x1 < (int) state->base.src_x ||
 845                         src->y1 < (int) state->base.src_y ||
 846                         src->x2 > (int) state->base.src_x + state->base.src_w ||
 847                         src->y2 > (int) state->base.src_y + state->base.src_h);
 848
 849                 /*
 850                  * Hardware doesn't handle subpixel coordinates.
 851                  * Adjust to (macro)pixel boundary, but be careful not to
 852                  * increase the source viewport size, because that could
 853                  * push the downscaling factor out of bounds.
 854                  */
 855                 src_x = src->x1 >> 16;
 856                 src_w = drm_rect_width(src) >> 16;
 857                 src_y = src->y1 >> 16;
 858                 src_h = drm_rect_height(src) >> 16;
 859
 860                 if (format_is_yuv(fb->pixel_format)) {
 861                         src_x &= ~1;
 862                         src_w &= ~1;
 863
 864                         /*
 865                          * Must keep src and dst the
 866                          * same if we can't scale.
 867                          */
 868                         if (!can_scale)
 869                                 crtc_w &= ~1;
 870
 871                         if (crtc_w == 0)
 872                                 state->visible = false;
 873                 }
 874         }
 875
 876         /* Check size restrictions when scaling */
 877         if (state->visible && (src_w != crtc_w || src_h != crtc_h)) {
 878                 unsigned int width_bytes;
 879
 880                 WARN_ON(!can_scale);
 881
 882                 /* FIXME interlacing min height is 6 */
 883
 884                 if (crtc_w < 3 || crtc_h < 3)
 885                         state->visible = false;
 886
 887                 if (src_w < 3 || src_h < 3)
 888                         state->visible = false;
 889
 890                 pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 891                 width_bytes = ((src_x * pixel_size) & 63) +
 892                                         src_w * pixel_size;
 893
 894                 if (INTEL_INFO(dev)->gen < 9 && (src_w > 2048 || src_h > 2048 ||
 895                     width_bytes > 4096 || fb->pitches[0] > 4096)) {
 896                         DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
 897                         return -EINVAL;
 898                 }
 899         }
 900
 901         if (state->visible) {
 902                 src->x1 = src_x << 16;
 903                 src->x2 = (src_x + src_w) << 16;
 904                 src->y1 = src_y << 16;
 905                 src->y2 = (src_y + src_h) << 16;
 906         }
 907
 908         dst->x1 = crtc_x;
 909         dst->x2 = crtc_x + crtc_w;
 910         dst->y1 = crtc_y;
 911         dst->y2 = crtc_y + crtc_h;
 912
 913         return 0;
 914 }
 915
 916 static void
 917 intel_commit_sprite_plane(struct drm_plane *plane,
 918                           struct intel_plane_state *state)
 919 {
 920         struct drm_crtc *crtc = state->base.crtc;
 921         struct intel_plane *intel_plane = to_intel_plane(plane);
 922         struct drm_framebuffer *fb = state->base.fb;
 923
 924         crtc = crtc ? crtc : plane->crtc;
 925
 926         if (state->visible) {
 927                 intel_plane->update_plane(plane, crtc, fb,
 928                                           state->dst.x1, state->dst.y1,
 929                                           drm_rect_width(&state->dst),
 930                                           drm_rect_height(&state->dst),
 931                                           state->src.x1 >> 16,
 932                                           state->src.y1 >> 16,
 933                                           drm_rect_width(&state->src) >> 16,
 934                                           drm_rect_height(&state->src) >> 16);
 935         } else {
 936                 intel_plane->disable_plane(plane, crtc);
 937         }
 938 }
 939
 940 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 941                               struct drm_file *file_priv)
 942 {
 943         struct drm_intel_sprite_colorkey *set = data;
 944         struct drm_plane *plane;
 945         struct drm_plane_state *plane_state;
 946         struct drm_atomic_state *state;
 947         struct drm_modeset_acquire_ctx ctx;
 948         int ret = 0;
 949
 950         /* Make sure we don't try to enable both src & dest simultaneously */
 951         if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
 952                 return -EINVAL;
 953
 954         if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
 955             set->flags & I915_SET_COLORKEY_DESTINATION)
 956                 return -EINVAL;
 957
 958         plane = drm_plane_find(dev, set->plane_id);
 959         if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
 960                 return -ENOENT;
 961
 962         drm_modeset_acquire_init(&ctx, 0);
 963
 964         state = drm_atomic_state_alloc(plane->dev);
 965         if (!state) {
 966                 ret = -ENOMEM;
 967                 goto out;
 968         }
 969         state->acquire_ctx = &ctx;
 970
 971         while (1) {
 972                 plane_state = drm_atomic_get_plane_state(state, plane);
 973                 ret = PTR_ERR_OR_ZERO(plane_state);
 974                 if (!ret) {
 975                         to_intel_plane_state(plane_state)->ckey = *set;
 976                         ret = drm_atomic_commit(state);
 977                 }
 978
 979                 if (ret != -EDEADLK)
 980                         break;
 981
 982                 drm_atomic_state_clear(state);
 983                 drm_modeset_backoff(&ctx);
 984         }
 985
 986         if (ret)
 987                 drm_atomic_state_free(state);
 988
 989 out:
 990         drm_modeset_drop_locks(&ctx);
 991         drm_modeset_acquire_fini(&ctx);
 992         return ret;
 993 }
 994
 995 static const uint32_t ilk_plane_formats[] = {
 996         DRM_FORMAT_XRGB8888,
 997         DRM_FORMAT_YUYV,
 998         DRM_FORMAT_YVYU,
 999         DRM_FORMAT_UYVY,
1000         DRM_FORMAT_VYUY,
1001 };
1002
1003 static const uint32_t snb_plane_formats[] = {
1004         DRM_FORMAT_XBGR8888,
1005         DRM_FORMAT_XRGB8888,
1006         DRM_FORMAT_YUYV,
1007         DRM_FORMAT_YVYU,
1008         DRM_FORMAT_UYVY,
1009         DRM_FORMAT_VYUY,
1010 };
1011
1012 static const uint32_t vlv_plane_formats[] = {
1013         DRM_FORMAT_RGB565,
1014         DRM_FORMAT_ABGR8888,
1015         DRM_FORMAT_ARGB8888,
1016         DRM_FORMAT_XBGR8888,
1017         DRM_FORMAT_XRGB8888,
1018         DRM_FORMAT_XBGR2101010,
1019         DRM_FORMAT_ABGR2101010,
1020         DRM_FORMAT_YUYV,
1021         DRM_FORMAT_YVYU,
1022         DRM_FORMAT_UYVY,
1023         DRM_FORMAT_VYUY,
1024 };
1025
1026 static uint32_t skl_plane_formats[] = {
1027         DRM_FORMAT_RGB565,
1028         DRM_FORMAT_ABGR8888,
1029         DRM_FORMAT_ARGB8888,
1030         DRM_FORMAT_XBGR8888,
1031         DRM_FORMAT_XRGB8888,
1032         DRM_FORMAT_YUYV,
1033         DRM_FORMAT_YVYU,
1034         DRM_FORMAT_UYVY,
1035         DRM_FORMAT_VYUY,
1036 };
1037
1038 int
1039 intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
1040 {
1041         struct intel_plane *intel_plane;
1042         struct intel_plane_state *state;
1043         unsigned long possible_crtcs;
1044         const uint32_t *plane_formats;
1045         int num_plane_formats;
1046         int ret;
1047
1048         if (INTEL_INFO(dev)->gen < 5)
1049                 return -ENODEV;
1050
1051         intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
1052         if (!intel_plane)
1053                 return -ENOMEM;
1054
1055         state = intel_create_plane_state(&intel_plane->base);
1056         if (!state) {
1057                 kfree(intel_plane);
1058                 return -ENOMEM;
1059         }
1060         intel_plane->base.state = &state->base;
1061
1062         switch (INTEL_INFO(dev)->gen) {
1063         case 5:
1064         case 6:
1065                 intel_plane->can_scale = true;
1066                 intel_plane->max_downscale = 16;
1067                 intel_plane->update_plane = ilk_update_plane;
1068                 intel_plane->disable_plane = ilk_disable_plane;
1069
1070                 if (IS_GEN6(dev)) {
1071                         plane_formats = snb_plane_formats;
1072                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1073                 } else {
1074                         plane_formats = ilk_plane_formats;
1075                         num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
1076                 }
1077                 break;
1078
1079         case 7:
1080         case 8:
1081                 if (IS_IVYBRIDGE(dev)) {
1082                         intel_plane->can_scale = true;
1083                         intel_plane->max_downscale = 2;
1084                 } else {
1085                         intel_plane->can_scale = false;
1086                         intel_plane->max_downscale = 1;
1087                 }
1088
1089                 if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
1090                         intel_plane->update_plane = vlv_update_plane;
1091                         intel_plane->disable_plane = vlv_disable_plane;
1092
1093                         plane_formats = vlv_plane_formats;
1094                         num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
1095                 } else {
1096                         intel_plane->update_plane = ivb_update_plane;
1097                         intel_plane->disable_plane = ivb_disable_plane;
1098
1099                         plane_formats = snb_plane_formats;
1100                         num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1101                 }
1102                 break;
1103         case 9:
1104                 intel_plane->can_scale = true;
1105                 intel_plane->update_plane = skl_update_plane;
1106                 intel_plane->disable_plane = skl_disable_plane;
1107                 state->scaler_id = -1;
1108
1109                 plane_formats = skl_plane_formats;
1110                 num_plane_formats = ARRAY_SIZE(skl_plane_formats);
1111                 break;
1112         default:
1113                 kfree(intel_plane);
1114                 return -ENODEV;
1115         }
1116
1117         intel_plane->pipe = pipe;
1118         intel_plane->plane = plane;
1119         intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane);
1120         intel_plane->check_plane = intel_check_sprite_plane;
1121         intel_plane->commit_plane = intel_commit_sprite_plane;
1122         possible_crtcs = (1 << pipe);
1123         ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
1124                                        &intel_plane_funcs,
1125                                        plane_formats, num_plane_formats,
1126                                        DRM_PLANE_TYPE_OVERLAY, NULL);
1127         if (ret) {
1128                 kfree(intel_plane);
1129                 goto out;
1130         }
1131
1132         intel_create_rotation_property(dev, intel_plane);
1133
1134         drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
1135
1136 out:
1137         return ret;
1138 }