2 * Copyright © 2011 Intel Corporation
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:
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
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
24 * Jesse Barnes <jbarnes@virtuousgeek.org>
26 * New plane/sprite handling.
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
33 #include <drm/drm_crtc.h>
34 #include <uapi_drm/drm_fourcc.h>
35 #include <drm/drm_rect.h>
36 #include "intel_drv.h"
37 #include <drm/i915_drm.h>
40 static int usecs_to_scanlines(const struct drm_display_mode *mode, int usecs)
43 if (!mode->crtc_htotal)
46 return DIV_ROUND_UP(usecs * mode->crtc_clock, 1000 * mode->crtc_htotal);
49 static bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count)
51 struct drm_device *dev = crtc->base.dev;
52 const struct drm_display_mode *mode = &crtc->config.adjusted_mode;
53 enum i915_pipe pipe = crtc->pipe;
54 long timeout = msecs_to_jiffies_timeout(1);
55 int scanline, min, max, vblank_start;
58 WARN_ON(!drm_modeset_is_locked(&crtc->base.mutex));
60 vblank_start = mode->crtc_vblank_start;
61 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
62 vblank_start = DIV_ROUND_UP(vblank_start, 2);
64 /* FIXME needs to be calibrated sensibly */
65 min = vblank_start - usecs_to_scanlines(mode, 100);
66 max = vblank_start - 1;
68 if (min <= 0 || max <= 0)
71 if (WARN_ON(drm_vblank_get(dev, pipe)))
76 trace_i915_pipe_update_start(crtc, min, max);
80 * prepare_to_wait() has a memory barrier, which guarantees
81 * other CPUs can see the task state update by the time we
84 prepare_to_wait(&crtc->vbl_wait, &wait, TASK_UNINTERRUPTIBLE);
86 scanline = intel_get_crtc_scanline(crtc);
87 if (scanline < min || scanline > max)
91 DRM_ERROR("Potential atomic update failure on pipe %c\n",
92 pipe_name(crtc->pipe));
98 timeout = schedule_timeout(timeout);
103 finish_wait(&crtc->vbl_wait, &wait);
105 drm_vblank_put(dev, pipe);
107 *start_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
109 trace_i915_pipe_update_vblank_evaded(crtc, min, max, *start_vbl_count);
114 static void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count)
116 struct drm_device *dev = crtc->base.dev;
117 enum i915_pipe pipe = crtc->pipe;
118 u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
120 trace_i915_pipe_update_end(crtc, end_vbl_count);
124 if (start_vbl_count != end_vbl_count)
125 DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u)\n",
126 pipe_name(pipe), start_vbl_count, end_vbl_count);
129 static void intel_update_primary_plane(struct intel_crtc *crtc)
131 struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
132 int reg = DSPCNTR(crtc->plane);
134 if (crtc->primary_enabled)
135 I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
137 I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
141 vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc,
142 struct drm_framebuffer *fb,
143 struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
144 unsigned int crtc_w, unsigned int crtc_h,
145 uint32_t x, uint32_t y,
146 uint32_t src_w, uint32_t src_h)
148 struct drm_device *dev = dplane->dev;
149 struct drm_i915_private *dev_priv = dev->dev_private;
150 struct intel_plane *intel_plane = to_intel_plane(dplane);
151 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
152 int pipe = intel_plane->pipe;
153 int plane = intel_plane->plane;
155 unsigned long sprsurf_offset, linear_offset;
156 int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
160 sprctl = I915_READ(SPCNTR(pipe, plane));
162 /* Mask out pixel format bits in case we change it */
163 sprctl &= ~SP_PIXFORMAT_MASK;
164 sprctl &= ~SP_YUV_BYTE_ORDER_MASK;
167 switch (fb->pixel_format) {
168 case DRM_FORMAT_YUYV:
169 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
171 case DRM_FORMAT_YVYU:
172 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
174 case DRM_FORMAT_UYVY:
175 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
177 case DRM_FORMAT_VYUY:
178 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
180 case DRM_FORMAT_RGB565:
181 sprctl |= SP_FORMAT_BGR565;
183 case DRM_FORMAT_XRGB8888:
184 sprctl |= SP_FORMAT_BGRX8888;
186 case DRM_FORMAT_ARGB8888:
187 sprctl |= SP_FORMAT_BGRA8888;
189 case DRM_FORMAT_XBGR2101010:
190 sprctl |= SP_FORMAT_RGBX1010102;
192 case DRM_FORMAT_ABGR2101010:
193 sprctl |= SP_FORMAT_RGBA1010102;
195 case DRM_FORMAT_XBGR8888:
196 sprctl |= SP_FORMAT_RGBX8888;
198 case DRM_FORMAT_ABGR8888:
199 sprctl |= SP_FORMAT_RGBA8888;
203 * If we get here one of the upper layers failed to filter
204 * out the unsupported plane formats
211 * Enable gamma to match primary/cursor plane behaviour.
212 * FIXME should be user controllable via propertiesa.
214 sprctl |= SP_GAMMA_ENABLE;
216 if (obj->tiling_mode != I915_TILING_NONE)
221 intel_update_sprite_watermarks(dplane, crtc, src_w, pixel_size, true,
222 src_w != crtc_w || src_h != crtc_h);
224 /* Sizes are 0 based */
230 linear_offset = y * fb->pitches[0] + x * pixel_size;
231 sprsurf_offset = intel_gen4_compute_page_offset(&x, &y,
235 linear_offset -= sprsurf_offset;
237 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
239 intel_update_primary_plane(intel_crtc);
241 I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
242 I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
244 if (obj->tiling_mode != I915_TILING_NONE)
245 I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
247 I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
249 I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w);
250 I915_WRITE(SPCNTR(pipe, plane), sprctl);
251 I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) +
254 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
257 intel_pipe_update_end(intel_crtc, start_vbl_count);
261 vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
263 struct drm_device *dev = dplane->dev;
264 struct drm_i915_private *dev_priv = dev->dev_private;
265 struct intel_plane *intel_plane = to_intel_plane(dplane);
266 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
267 int pipe = intel_plane->pipe;
268 int plane = intel_plane->plane;
272 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
274 intel_update_primary_plane(intel_crtc);
276 I915_WRITE(SPCNTR(pipe, plane), I915_READ(SPCNTR(pipe, plane)) &
278 /* Activate double buffered register update */
279 I915_WRITE(SPSURF(pipe, plane), 0);
281 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
284 intel_pipe_update_end(intel_crtc, start_vbl_count);
286 intel_update_sprite_watermarks(dplane, crtc, 0, 0, false, false);
290 vlv_update_colorkey(struct drm_plane *dplane,
291 struct drm_intel_sprite_colorkey *key)
293 struct drm_device *dev = dplane->dev;
294 struct drm_i915_private *dev_priv = dev->dev_private;
295 struct intel_plane *intel_plane = to_intel_plane(dplane);
296 int pipe = intel_plane->pipe;
297 int plane = intel_plane->plane;
300 if (key->flags & I915_SET_COLORKEY_DESTINATION)
303 I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value);
304 I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value);
305 I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask);
307 sprctl = I915_READ(SPCNTR(pipe, plane));
308 sprctl &= ~SP_SOURCE_KEY;
309 if (key->flags & I915_SET_COLORKEY_SOURCE)
310 sprctl |= SP_SOURCE_KEY;
311 I915_WRITE(SPCNTR(pipe, plane), sprctl);
313 POSTING_READ(SPKEYMSK(pipe, plane));
319 vlv_get_colorkey(struct drm_plane *dplane,
320 struct drm_intel_sprite_colorkey *key)
322 struct drm_device *dev = dplane->dev;
323 struct drm_i915_private *dev_priv = dev->dev_private;
324 struct intel_plane *intel_plane = to_intel_plane(dplane);
325 int pipe = intel_plane->pipe;
326 int plane = intel_plane->plane;
329 key->min_value = I915_READ(SPKEYMINVAL(pipe, plane));
330 key->max_value = I915_READ(SPKEYMAXVAL(pipe, plane));
331 key->channel_mask = I915_READ(SPKEYMSK(pipe, plane));
333 sprctl = I915_READ(SPCNTR(pipe, plane));
334 if (sprctl & SP_SOURCE_KEY)
335 key->flags = I915_SET_COLORKEY_SOURCE;
337 key->flags = I915_SET_COLORKEY_NONE;
341 ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
342 struct drm_framebuffer *fb,
343 struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
344 unsigned int crtc_w, unsigned int crtc_h,
345 uint32_t x, uint32_t y,
346 uint32_t src_w, uint32_t src_h)
348 struct drm_device *dev = plane->dev;
349 struct drm_i915_private *dev_priv = dev->dev_private;
350 struct intel_plane *intel_plane = to_intel_plane(plane);
351 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
352 int pipe = intel_plane->pipe;
353 u32 sprctl, sprscale = 0;
354 unsigned long sprsurf_offset, linear_offset;
355 int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
359 sprctl = I915_READ(SPRCTL(pipe));
361 /* Mask out pixel format bits in case we change it */
362 sprctl &= ~SPRITE_PIXFORMAT_MASK;
363 sprctl &= ~SPRITE_RGB_ORDER_RGBX;
364 sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
365 sprctl &= ~SPRITE_TILED;
367 switch (fb->pixel_format) {
368 case DRM_FORMAT_XBGR8888:
369 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
371 case DRM_FORMAT_XRGB8888:
372 sprctl |= SPRITE_FORMAT_RGBX888;
374 case DRM_FORMAT_YUYV:
375 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
377 case DRM_FORMAT_YVYU:
378 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
380 case DRM_FORMAT_UYVY:
381 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
383 case DRM_FORMAT_VYUY:
384 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
391 * Enable gamma to match primary/cursor plane behaviour.
392 * FIXME should be user controllable via propertiesa.
394 sprctl |= SPRITE_GAMMA_ENABLE;
396 if (obj->tiling_mode != I915_TILING_NONE)
397 sprctl |= SPRITE_TILED;
399 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
400 sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE;
402 sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
404 sprctl |= SPRITE_ENABLE;
406 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
407 sprctl |= SPRITE_PIPE_CSC_ENABLE;
409 intel_update_sprite_watermarks(plane, crtc, src_w, pixel_size, true,
410 src_w != crtc_w || src_h != crtc_h);
412 /* Sizes are 0 based */
418 if (crtc_w != src_w || crtc_h != src_h)
419 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
421 linear_offset = y * fb->pitches[0] + x * pixel_size;
423 intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
424 pixel_size, fb->pitches[0]);
425 linear_offset -= sprsurf_offset;
427 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
429 intel_update_primary_plane(intel_crtc);
431 I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
432 I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
434 /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
436 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
437 I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
438 else if (obj->tiling_mode != I915_TILING_NONE)
439 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
441 I915_WRITE(SPRLINOFF(pipe), linear_offset);
443 I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
444 if (intel_plane->can_scale)
445 I915_WRITE(SPRSCALE(pipe), sprscale);
446 I915_WRITE(SPRCTL(pipe), sprctl);
447 I915_WRITE(SPRSURF(pipe),
448 i915_gem_obj_ggtt_offset(obj) + sprsurf_offset);
450 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
453 intel_pipe_update_end(intel_crtc, start_vbl_count);
457 ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
459 struct drm_device *dev = plane->dev;
460 struct drm_i915_private *dev_priv = dev->dev_private;
461 struct intel_plane *intel_plane = to_intel_plane(plane);
462 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
463 int pipe = intel_plane->pipe;
467 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
469 intel_update_primary_plane(intel_crtc);
471 I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
472 /* Can't leave the scaler enabled... */
473 if (intel_plane->can_scale)
474 I915_WRITE(SPRSCALE(pipe), 0);
475 /* Activate double buffered register update */
476 I915_WRITE(SPRSURF(pipe), 0);
478 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
481 intel_pipe_update_end(intel_crtc, start_vbl_count);
484 * Avoid underruns when disabling the sprite.
485 * FIXME remove once watermark updates are done properly.
487 intel_wait_for_vblank(dev, pipe);
489 intel_update_sprite_watermarks(plane, crtc, 0, 0, false, false);
493 ivb_update_colorkey(struct drm_plane *plane,
494 struct drm_intel_sprite_colorkey *key)
496 struct drm_device *dev = plane->dev;
497 struct drm_i915_private *dev_priv = dev->dev_private;
498 struct intel_plane *intel_plane;
502 intel_plane = to_intel_plane(plane);
504 I915_WRITE(SPRKEYVAL(intel_plane->pipe), key->min_value);
505 I915_WRITE(SPRKEYMAX(intel_plane->pipe), key->max_value);
506 I915_WRITE(SPRKEYMSK(intel_plane->pipe), key->channel_mask);
508 sprctl = I915_READ(SPRCTL(intel_plane->pipe));
509 sprctl &= ~(SPRITE_SOURCE_KEY | SPRITE_DEST_KEY);
510 if (key->flags & I915_SET_COLORKEY_DESTINATION)
511 sprctl |= SPRITE_DEST_KEY;
512 else if (key->flags & I915_SET_COLORKEY_SOURCE)
513 sprctl |= SPRITE_SOURCE_KEY;
514 I915_WRITE(SPRCTL(intel_plane->pipe), sprctl);
516 POSTING_READ(SPRKEYMSK(intel_plane->pipe));
522 ivb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
524 struct drm_device *dev = plane->dev;
525 struct drm_i915_private *dev_priv = dev->dev_private;
526 struct intel_plane *intel_plane;
529 intel_plane = to_intel_plane(plane);
531 key->min_value = I915_READ(SPRKEYVAL(intel_plane->pipe));
532 key->max_value = I915_READ(SPRKEYMAX(intel_plane->pipe));
533 key->channel_mask = I915_READ(SPRKEYMSK(intel_plane->pipe));
536 sprctl = I915_READ(SPRCTL(intel_plane->pipe));
538 if (sprctl & SPRITE_DEST_KEY)
539 key->flags = I915_SET_COLORKEY_DESTINATION;
540 else if (sprctl & SPRITE_SOURCE_KEY)
541 key->flags = I915_SET_COLORKEY_SOURCE;
543 key->flags = I915_SET_COLORKEY_NONE;
547 ilk_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
548 struct drm_framebuffer *fb,
549 struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
550 unsigned int crtc_w, unsigned int crtc_h,
551 uint32_t x, uint32_t y,
552 uint32_t src_w, uint32_t src_h)
554 struct drm_device *dev = plane->dev;
555 struct drm_i915_private *dev_priv = dev->dev_private;
556 struct intel_plane *intel_plane = to_intel_plane(plane);
557 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
558 int pipe = intel_plane->pipe;
559 unsigned long dvssurf_offset, linear_offset;
560 u32 dvscntr, dvsscale;
561 int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
565 dvscntr = I915_READ(DVSCNTR(pipe));
567 /* Mask out pixel format bits in case we change it */
568 dvscntr &= ~DVS_PIXFORMAT_MASK;
569 dvscntr &= ~DVS_RGB_ORDER_XBGR;
570 dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK;
571 dvscntr &= ~DVS_TILED;
573 switch (fb->pixel_format) {
574 case DRM_FORMAT_XBGR8888:
575 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
577 case DRM_FORMAT_XRGB8888:
578 dvscntr |= DVS_FORMAT_RGBX888;
580 case DRM_FORMAT_YUYV:
581 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
583 case DRM_FORMAT_YVYU:
584 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
586 case DRM_FORMAT_UYVY:
587 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
589 case DRM_FORMAT_VYUY:
590 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
597 * Enable gamma to match primary/cursor plane behaviour.
598 * FIXME should be user controllable via propertiesa.
600 dvscntr |= DVS_GAMMA_ENABLE;
602 if (obj->tiling_mode != I915_TILING_NONE)
603 dvscntr |= DVS_TILED;
606 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
607 dvscntr |= DVS_ENABLE;
609 intel_update_sprite_watermarks(plane, crtc, src_w, pixel_size, true,
610 src_w != crtc_w || src_h != crtc_h);
612 /* Sizes are 0 based */
619 if (crtc_w != src_w || crtc_h != src_h)
620 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
622 linear_offset = y * fb->pitches[0] + x * pixel_size;
624 intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
625 pixel_size, fb->pitches[0]);
626 linear_offset -= dvssurf_offset;
628 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
630 intel_update_primary_plane(intel_crtc);
632 I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
633 I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
635 if (obj->tiling_mode != I915_TILING_NONE)
636 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
638 I915_WRITE(DVSLINOFF(pipe), linear_offset);
640 I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
641 I915_WRITE(DVSSCALE(pipe), dvsscale);
642 I915_WRITE(DVSCNTR(pipe), dvscntr);
643 I915_WRITE(DVSSURF(pipe),
644 i915_gem_obj_ggtt_offset(obj) + dvssurf_offset);
646 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
649 intel_pipe_update_end(intel_crtc, start_vbl_count);
653 ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
655 struct drm_device *dev = plane->dev;
656 struct drm_i915_private *dev_priv = dev->dev_private;
657 struct intel_plane *intel_plane = to_intel_plane(plane);
658 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
659 int pipe = intel_plane->pipe;
663 atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count);
665 intel_update_primary_plane(intel_crtc);
667 I915_WRITE(DVSCNTR(pipe), I915_READ(DVSCNTR(pipe)) & ~DVS_ENABLE);
668 /* Disable the scaler */
669 I915_WRITE(DVSSCALE(pipe), 0);
670 /* Flush double buffered register updates */
671 I915_WRITE(DVSSURF(pipe), 0);
673 intel_flush_primary_plane(dev_priv, intel_crtc->plane);
676 intel_pipe_update_end(intel_crtc, start_vbl_count);
679 * Avoid underruns when disabling the sprite.
680 * FIXME remove once watermark updates are done properly.
682 intel_wait_for_vblank(dev, pipe);
684 intel_update_sprite_watermarks(plane, crtc, 0, 0, false, false);
688 intel_post_enable_primary(struct drm_crtc *crtc)
690 struct drm_device *dev = crtc->dev;
691 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
694 * BDW signals flip done immediately if the plane
695 * is disabled, even if the plane enable is already
696 * armed to occur at the next vblank :(
698 if (IS_BROADWELL(dev))
699 intel_wait_for_vblank(dev, intel_crtc->pipe);
702 * FIXME IPS should be fine as long as one plane is
703 * enabled, but in practice it seems to have problems
704 * when going from primary only to sprite only and vice
707 hsw_enable_ips(intel_crtc);
709 mutex_lock(&dev->struct_mutex);
710 intel_update_fbc(dev);
711 mutex_unlock(&dev->struct_mutex);
715 intel_pre_disable_primary(struct drm_crtc *crtc)
717 struct drm_device *dev = crtc->dev;
718 struct drm_i915_private *dev_priv = dev->dev_private;
719 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
721 mutex_lock(&dev->struct_mutex);
722 if (dev_priv->fbc.plane == intel_crtc->plane)
723 intel_disable_fbc(dev);
724 mutex_unlock(&dev->struct_mutex);
727 * FIXME IPS should be fine as long as one plane is
728 * enabled, but in practice it seems to have problems
729 * when going from primary only to sprite only and vice
732 hsw_disable_ips(intel_crtc);
736 ilk_update_colorkey(struct drm_plane *plane,
737 struct drm_intel_sprite_colorkey *key)
739 struct drm_device *dev = plane->dev;
740 struct drm_i915_private *dev_priv = dev->dev_private;
741 struct intel_plane *intel_plane;
745 intel_plane = to_intel_plane(plane);
747 I915_WRITE(DVSKEYVAL(intel_plane->pipe), key->min_value);
748 I915_WRITE(DVSKEYMAX(intel_plane->pipe), key->max_value);
749 I915_WRITE(DVSKEYMSK(intel_plane->pipe), key->channel_mask);
751 dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
752 dvscntr &= ~(DVS_SOURCE_KEY | DVS_DEST_KEY);
753 if (key->flags & I915_SET_COLORKEY_DESTINATION)
754 dvscntr |= DVS_DEST_KEY;
755 else if (key->flags & I915_SET_COLORKEY_SOURCE)
756 dvscntr |= DVS_SOURCE_KEY;
757 I915_WRITE(DVSCNTR(intel_plane->pipe), dvscntr);
759 POSTING_READ(DVSKEYMSK(intel_plane->pipe));
765 ilk_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key)
767 struct drm_device *dev = plane->dev;
768 struct drm_i915_private *dev_priv = dev->dev_private;
769 struct intel_plane *intel_plane;
772 intel_plane = to_intel_plane(plane);
774 key->min_value = I915_READ(DVSKEYVAL(intel_plane->pipe));
775 key->max_value = I915_READ(DVSKEYMAX(intel_plane->pipe));
776 key->channel_mask = I915_READ(DVSKEYMSK(intel_plane->pipe));
779 dvscntr = I915_READ(DVSCNTR(intel_plane->pipe));
781 if (dvscntr & DVS_DEST_KEY)
782 key->flags = I915_SET_COLORKEY_DESTINATION;
783 else if (dvscntr & DVS_SOURCE_KEY)
784 key->flags = I915_SET_COLORKEY_SOURCE;
786 key->flags = I915_SET_COLORKEY_NONE;
790 format_is_yuv(uint32_t format)
793 case DRM_FORMAT_YUYV:
794 case DRM_FORMAT_UYVY:
795 case DRM_FORMAT_VYUY:
796 case DRM_FORMAT_YVYU:
803 static bool colorkey_enabled(struct intel_plane *intel_plane)
805 struct drm_intel_sprite_colorkey key;
807 intel_plane->get_colorkey(&intel_plane->base, &key);
809 return key.flags != I915_SET_COLORKEY_NONE;
813 intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
814 struct drm_framebuffer *fb, int crtc_x, int crtc_y,
815 unsigned int crtc_w, unsigned int crtc_h,
816 uint32_t src_x, uint32_t src_y,
817 uint32_t src_w, uint32_t src_h)
819 struct drm_device *dev = plane->dev;
820 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
821 struct intel_plane *intel_plane = to_intel_plane(plane);
822 struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
823 struct drm_i915_gem_object *obj = intel_fb->obj;
824 struct drm_i915_gem_object *old_obj = intel_plane->obj;
826 bool primary_enabled;
829 int max_scale, min_scale;
830 int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
831 struct drm_rect src = {
832 /* sample coordinates in 16.16 fixed point */
838 struct drm_rect dst = {
841 .x2 = crtc_x + crtc_w,
843 .y2 = crtc_y + crtc_h,
845 const struct drm_rect clip = {
846 .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
847 .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
851 unsigned int crtc_w, crtc_h;
852 uint32_t src_x, src_y, src_w, src_h;
864 /* Don't modify another pipe's plane */
865 if (intel_plane->pipe != intel_crtc->pipe) {
866 DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
870 /* FIXME check all gen limits */
871 if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
872 DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
876 /* Sprite planes can be linear or x-tiled surfaces */
877 switch (obj->tiling_mode) {
878 case I915_TILING_NONE:
882 DRM_DEBUG_KMS("Unsupported tiling mode\n");
887 * FIXME the following code does a bunch of fuzzy adjustments to the
888 * coordinates and sizes. We probably need some way to decide whether
889 * more strict checking should be done instead.
891 max_scale = intel_plane->max_downscale << 16;
892 min_scale = intel_plane->can_scale ? 1 : (1 << 16);
894 hscale = drm_rect_calc_hscale_relaxed(&src, &dst, min_scale, max_scale);
897 vscale = drm_rect_calc_vscale_relaxed(&src, &dst, min_scale, max_scale);
900 visible = drm_rect_clip_scaled(&src, &dst, &clip, hscale, vscale);
904 crtc_w = drm_rect_width(&dst);
905 crtc_h = drm_rect_height(&dst);
908 /* check again in case clipping clamped the results */
909 hscale = drm_rect_calc_hscale(&src, &dst, min_scale, max_scale);
911 DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
912 drm_rect_debug_print(&src, true);
913 drm_rect_debug_print(&dst, false);
918 vscale = drm_rect_calc_vscale(&src, &dst, min_scale, max_scale);
920 DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
921 drm_rect_debug_print(&src, true);
922 drm_rect_debug_print(&dst, false);
927 /* Make the source viewport size an exact multiple of the scaling factors. */
928 drm_rect_adjust_size(&src,
929 drm_rect_width(&dst) * hscale - drm_rect_width(&src),
930 drm_rect_height(&dst) * vscale - drm_rect_height(&src));
932 /* sanity check to make sure the src viewport wasn't enlarged */
933 WARN_ON(src.x1 < (int) src_x ||
934 src.y1 < (int) src_y ||
935 src.x2 > (int) (src_x + src_w) ||
936 src.y2 > (int) (src_y + src_h));
939 * Hardware doesn't handle subpixel coordinates.
940 * Adjust to (macro)pixel boundary, but be careful not to
941 * increase the source viewport size, because that could
942 * push the downscaling factor out of bounds.
944 src_x = src.x1 >> 16;
945 src_w = drm_rect_width(&src) >> 16;
946 src_y = src.y1 >> 16;
947 src_h = drm_rect_height(&src) >> 16;
949 if (format_is_yuv(fb->pixel_format)) {
954 * Must keep src and dst the
955 * same if we can't scale.
957 if (!intel_plane->can_scale)
965 /* Check size restrictions when scaling */
966 if (visible && (src_w != crtc_w || src_h != crtc_h)) {
967 unsigned int width_bytes;
969 WARN_ON(!intel_plane->can_scale);
971 /* FIXME interlacing min height is 6 */
973 if (crtc_w < 3 || crtc_h < 3)
976 if (src_w < 3 || src_h < 3)
979 width_bytes = ((src_x * pixel_size) & 63) + src_w * pixel_size;
981 if (src_w > 2048 || src_h > 2048 ||
982 width_bytes > 4096 || fb->pitches[0] > 4096) {
983 DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
989 dst.x2 = crtc_x + crtc_w;
991 dst.y2 = crtc_y + crtc_h;
994 * If the sprite is completely covering the primary plane,
995 * we can disable the primary and save power.
997 primary_enabled = !drm_rect_equals(&dst, &clip) || colorkey_enabled(intel_plane);
998 WARN_ON(!primary_enabled && !visible && intel_crtc->active);
1000 mutex_lock(&dev->struct_mutex);
1002 /* Note that this will apply the VT-d workaround for scanouts,
1003 * which is more restrictive than required for sprites. (The
1004 * primary plane requires 256KiB alignment with 64 PTE padding,
1005 * the sprite planes only require 128KiB alignment and 32 PTE padding.
1007 ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
1009 mutex_unlock(&dev->struct_mutex);
1014 intel_plane->crtc_x = orig.crtc_x;
1015 intel_plane->crtc_y = orig.crtc_y;
1016 intel_plane->crtc_w = orig.crtc_w;
1017 intel_plane->crtc_h = orig.crtc_h;
1018 intel_plane->src_x = orig.src_x;
1019 intel_plane->src_y = orig.src_y;
1020 intel_plane->src_w = orig.src_w;
1021 intel_plane->src_h = orig.src_h;
1022 intel_plane->obj = obj;
1024 if (intel_crtc->active) {
1025 bool primary_was_enabled = intel_crtc->primary_enabled;
1027 intel_crtc->primary_enabled = primary_enabled;
1029 if (primary_was_enabled != primary_enabled)
1030 intel_crtc_wait_for_pending_flips(crtc);
1032 if (primary_was_enabled && !primary_enabled)
1033 intel_pre_disable_primary(crtc);
1036 intel_plane->update_plane(plane, crtc, fb, obj,
1037 crtc_x, crtc_y, crtc_w, crtc_h,
1038 src_x, src_y, src_w, src_h);
1040 intel_plane->disable_plane(plane, crtc);
1042 if (!primary_was_enabled && primary_enabled)
1043 intel_post_enable_primary(crtc);
1046 /* Unpin old obj after new one is active to avoid ugliness */
1049 * It's fairly common to simply update the position of
1050 * an existing object. In that case, we don't need to
1051 * wait for vblank to avoid ugliness, we only need to
1052 * do the pin & ref bookkeeping.
1054 if (old_obj != obj && intel_crtc->active)
1055 intel_wait_for_vblank(dev, intel_crtc->pipe);
1057 mutex_lock(&dev->struct_mutex);
1058 intel_unpin_fb_obj(old_obj);
1059 mutex_unlock(&dev->struct_mutex);
1066 intel_disable_plane(struct drm_plane *plane)
1068 struct drm_device *dev = plane->dev;
1069 struct intel_plane *intel_plane = to_intel_plane(plane);
1070 struct intel_crtc *intel_crtc;
1075 if (WARN_ON(!plane->crtc))
1078 intel_crtc = to_intel_crtc(plane->crtc);
1080 if (intel_crtc->active) {
1081 bool primary_was_enabled = intel_crtc->primary_enabled;
1083 intel_crtc->primary_enabled = true;
1085 intel_plane->disable_plane(plane, plane->crtc);
1087 if (!primary_was_enabled && intel_crtc->primary_enabled)
1088 intel_post_enable_primary(plane->crtc);
1091 if (intel_plane->obj) {
1092 if (intel_crtc->active)
1093 intel_wait_for_vblank(dev, intel_plane->pipe);
1095 mutex_lock(&dev->struct_mutex);
1096 intel_unpin_fb_obj(intel_plane->obj);
1097 mutex_unlock(&dev->struct_mutex);
1099 intel_plane->obj = NULL;
1105 static void intel_destroy_plane(struct drm_plane *plane)
1107 struct intel_plane *intel_plane = to_intel_plane(plane);
1108 intel_disable_plane(plane);
1109 drm_plane_cleanup(plane);
1113 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
1114 struct drm_file *file_priv)
1116 struct drm_intel_sprite_colorkey *set = data;
1117 struct drm_mode_object *obj;
1118 struct drm_plane *plane;
1119 struct intel_plane *intel_plane;
1122 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1125 /* Make sure we don't try to enable both src & dest simultaneously */
1126 if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
1129 drm_modeset_lock_all(dev);
1131 obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
1137 plane = obj_to_plane(obj);
1138 intel_plane = to_intel_plane(plane);
1139 ret = intel_plane->update_colorkey(plane, set);
1142 drm_modeset_unlock_all(dev);
1146 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
1147 struct drm_file *file_priv)
1149 struct drm_intel_sprite_colorkey *get = data;
1150 struct drm_mode_object *obj;
1151 struct drm_plane *plane;
1152 struct intel_plane *intel_plane;
1155 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1158 drm_modeset_lock_all(dev);
1160 obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
1166 plane = obj_to_plane(obj);
1167 intel_plane = to_intel_plane(plane);
1168 intel_plane->get_colorkey(plane, get);
1171 drm_modeset_unlock_all(dev);
1175 void intel_plane_restore(struct drm_plane *plane)
1177 struct intel_plane *intel_plane = to_intel_plane(plane);
1179 if (!plane->crtc || !plane->fb)
1182 intel_update_plane(plane, plane->crtc, plane->fb,
1183 intel_plane->crtc_x, intel_plane->crtc_y,
1184 intel_plane->crtc_w, intel_plane->crtc_h,
1185 intel_plane->src_x, intel_plane->src_y,
1186 intel_plane->src_w, intel_plane->src_h);
1189 void intel_plane_disable(struct drm_plane *plane)
1191 if (!plane->crtc || !plane->fb)
1194 intel_disable_plane(plane);
1197 static const struct drm_plane_funcs intel_plane_funcs = {
1198 .update_plane = intel_update_plane,
1199 .disable_plane = intel_disable_plane,
1200 .destroy = intel_destroy_plane,
1203 static uint32_t ilk_plane_formats[] = {
1204 DRM_FORMAT_XRGB8888,
1211 static uint32_t snb_plane_formats[] = {
1212 DRM_FORMAT_XBGR8888,
1213 DRM_FORMAT_XRGB8888,
1220 static uint32_t vlv_plane_formats[] = {
1222 DRM_FORMAT_ABGR8888,
1223 DRM_FORMAT_ARGB8888,
1224 DRM_FORMAT_XBGR8888,
1225 DRM_FORMAT_XRGB8888,
1226 DRM_FORMAT_XBGR2101010,
1227 DRM_FORMAT_ABGR2101010,
1235 intel_plane_init(struct drm_device *dev, enum i915_pipe pipe, int plane)
1237 struct intel_plane *intel_plane;
1238 unsigned long possible_crtcs;
1239 const uint32_t *plane_formats;
1240 int num_plane_formats;
1243 if (INTEL_INFO(dev)->gen < 5)
1246 intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
1250 switch (INTEL_INFO(dev)->gen) {
1253 intel_plane->can_scale = true;
1254 intel_plane->max_downscale = 16;
1255 intel_plane->update_plane = ilk_update_plane;
1256 intel_plane->disable_plane = ilk_disable_plane;
1257 intel_plane->update_colorkey = ilk_update_colorkey;
1258 intel_plane->get_colorkey = ilk_get_colorkey;
1261 plane_formats = snb_plane_formats;
1262 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1264 plane_formats = ilk_plane_formats;
1265 num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
1271 if (IS_IVYBRIDGE(dev)) {
1272 intel_plane->can_scale = true;
1273 intel_plane->max_downscale = 2;
1275 intel_plane->can_scale = false;
1276 intel_plane->max_downscale = 1;
1279 if (IS_VALLEYVIEW(dev)) {
1280 intel_plane->update_plane = vlv_update_plane;
1281 intel_plane->disable_plane = vlv_disable_plane;
1282 intel_plane->update_colorkey = vlv_update_colorkey;
1283 intel_plane->get_colorkey = vlv_get_colorkey;
1285 plane_formats = vlv_plane_formats;
1286 num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
1288 intel_plane->update_plane = ivb_update_plane;
1289 intel_plane->disable_plane = ivb_disable_plane;
1290 intel_plane->update_colorkey = ivb_update_colorkey;
1291 intel_plane->get_colorkey = ivb_get_colorkey;
1293 plane_formats = snb_plane_formats;
1294 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1303 intel_plane->pipe = pipe;
1304 intel_plane->plane = plane;
1305 possible_crtcs = (1 << pipe);
1306 ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs,
1308 plane_formats, num_plane_formats,