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 <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>
43 format_is_yuv(uint32_t format)
56 static int usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
60 if (!adjusted_mode->crtc_htotal)
63 return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock,
64 1000 * adjusted_mode->crtc_htotal);
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
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.
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.
81 void intel_pipe_update_start(struct intel_crtc *crtc)
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);
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);
93 /* FIXME needs to be calibrated sensibly */
94 min = vblank_start - usecs_to_scanlines(adjusted_mode, 100);
95 max = vblank_start - 1;
99 if (min <= 0 || max <= 0)
102 if (WARN_ON(drm_crtc_vblank_get(&crtc->base)))
105 crtc->debug.min_vbl = min;
106 crtc->debug.max_vbl = max;
107 trace_i915_pipe_update_start(crtc);
111 * prepare_to_wait() has a memory barrier, which guarantees
112 * other CPUs can see the task state update by the time we
115 prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
117 scanline = intel_get_crtc_scanline(crtc);
118 if (scanline < min || scanline > max)
122 DRM_ERROR("Potential atomic update failure on pipe %c\n",
123 pipe_name(crtc->pipe));
129 timeout = schedule_timeout(timeout);
134 finish_wait(wq, &wait);
136 drm_crtc_vblank_put(&crtc->base);
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);
142 trace_i915_pipe_update_vblank_evaded(crtc);
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)
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.
154 void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work)
156 enum 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();
162 work->flip_queued_vblank = end_vbl_count;
163 smp_mb__before_atomic();
164 atomic_set(&work->pending, 1);
167 trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
171 if (crtc->debug.start_vbl_count &&
172 crtc->debug.start_vbl_count != end_vbl_count) {
173 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",
174 pipe_name(pipe), crtc->debug.start_vbl_count,
176 ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
177 crtc->debug.min_vbl, crtc->debug.max_vbl,
178 crtc->debug.scanline_start, scanline_end);
183 skl_update_plane(struct drm_plane *drm_plane,
184 const struct intel_crtc_state *crtc_state,
185 const struct intel_plane_state *plane_state)
187 struct drm_device *dev = drm_plane->dev;
188 struct drm_i915_private *dev_priv = dev->dev_private;
189 struct intel_plane *intel_plane = to_intel_plane(drm_plane);
190 struct drm_framebuffer *fb = plane_state->base.fb;
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 = &plane_state->ckey;
197 u32 tile_height, plane_offset, plane_size;
198 unsigned int rotation = plane_state->base.rotation;
199 int x_offset, y_offset;
200 int crtc_x = plane_state->dst.x1;
201 int crtc_y = plane_state->dst.y1;
202 uint32_t crtc_w = drm_rect_width(&plane_state->dst);
203 uint32_t crtc_h = drm_rect_height(&plane_state->dst);
204 uint32_t x = plane_state->src.x1 >> 16;
205 uint32_t y = plane_state->src.y1 >> 16;
206 uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
207 uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
209 plane_ctl = PLANE_CTL_ENABLE |
210 PLANE_CTL_PIPE_GAMMA_ENABLE |
211 PLANE_CTL_PIPE_CSC_ENABLE;
213 plane_ctl |= skl_plane_ctl_format(fb->pixel_format);
214 plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]);
216 plane_ctl |= skl_plane_ctl_rotation(rotation);
218 stride_div = intel_fb_stride_alignment(dev_priv, fb->modifier[0],
221 /* Sizes are 0 based */
228 I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value);
229 I915_WRITE(PLANE_KEYMAX(pipe, plane), key->max_value);
230 I915_WRITE(PLANE_KEYMSK(pipe, plane), key->channel_mask);
233 if (key->flags & I915_SET_COLORKEY_DESTINATION)
234 plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
235 else if (key->flags & I915_SET_COLORKEY_SOURCE)
236 plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
238 surf_addr = intel_plane_obj_offset(intel_plane, obj, 0);
240 if (intel_rotation_90_or_270(rotation)) {
241 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
243 /* stride: Surface height in tiles */
244 tile_height = intel_tile_height(dev_priv, fb->modifier[0], cpp);
245 stride = DIV_ROUND_UP(fb->height, tile_height);
246 plane_size = (src_w << 16) | src_h;
247 x_offset = stride * tile_height - y - (src_h + 1);
250 stride = fb->pitches[0] / stride_div;
251 plane_size = (src_h << 16) | src_w;
255 plane_offset = y_offset << 16 | x_offset;
257 I915_WRITE(PLANE_OFFSET(pipe, plane), plane_offset);
258 I915_WRITE(PLANE_STRIDE(pipe, plane), stride);
259 I915_WRITE(PLANE_SIZE(pipe, plane), plane_size);
261 /* program plane scaler */
262 if (plane_state->scaler_id >= 0) {
263 int scaler_id = plane_state->scaler_id;
264 const struct intel_scaler *scaler;
266 DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane,
267 PS_PLANE_SEL(plane));
269 scaler = &crtc_state->scaler_state.scalers[scaler_id];
271 I915_WRITE(SKL_PS_CTRL(pipe, scaler_id),
272 PS_SCALER_EN | PS_PLANE_SEL(plane) | scaler->mode);
273 I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
274 I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
275 I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id),
276 ((crtc_w + 1) << 16)|(crtc_h + 1));
278 I915_WRITE(PLANE_POS(pipe, plane), 0);
280 I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x);
283 I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl);
284 I915_WRITE(PLANE_SURF(pipe, plane), surf_addr);
285 POSTING_READ(PLANE_SURF(pipe, plane));
289 skl_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
291 struct drm_device *dev = dplane->dev;
292 struct drm_i915_private *dev_priv = dev->dev_private;
293 struct intel_plane *intel_plane = to_intel_plane(dplane);
294 const int pipe = intel_plane->pipe;
295 const int plane = intel_plane->plane + 1;
297 I915_WRITE(PLANE_CTL(pipe, plane), 0);
299 I915_WRITE(PLANE_SURF(pipe, plane), 0);
300 POSTING_READ(PLANE_SURF(pipe, plane));
304 chv_update_csc(struct intel_plane *intel_plane, uint32_t format)
306 struct drm_i915_private *dev_priv = intel_plane->base.dev->dev_private;
307 int plane = intel_plane->plane;
309 /* Seems RGB data bypasses the CSC always */
310 if (!format_is_yuv(format))
314 * BT.601 limited range YCbCr -> full range RGB
316 * |r| | 6537 4769 0| |cr |
317 * |g| = |-3330 4769 -1605| x |y-64|
318 * |b| | 0 4769 8263| |cb |
320 * Cb and Cr apparently come in as signed already, so no
321 * need for any offset. For Y we need to remove the offset.
323 I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
324 I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
325 I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
327 I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537));
328 I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0));
329 I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769));
330 I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0));
331 I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263));
333 I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64));
334 I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
335 I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
337 I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
338 I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
339 I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
343 vlv_update_plane(struct drm_plane *dplane,
344 const struct intel_crtc_state *crtc_state,
345 const struct intel_plane_state *plane_state)
347 struct drm_device *dev = dplane->dev;
348 struct drm_i915_private *dev_priv = dev->dev_private;
349 struct intel_plane *intel_plane = to_intel_plane(dplane);
350 struct drm_framebuffer *fb = plane_state->base.fb;
351 struct drm_i915_gem_object *obj = intel_fb_obj(fb);
352 int pipe = intel_plane->pipe;
353 int plane = intel_plane->plane;
355 u32 sprsurf_offset, linear_offset;
356 unsigned int rotation = dplane->state->rotation;
357 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
358 const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
359 int crtc_x = plane_state->dst.x1;
360 int crtc_y = plane_state->dst.y1;
361 uint32_t crtc_w = drm_rect_width(&plane_state->dst);
362 uint32_t crtc_h = drm_rect_height(&plane_state->dst);
363 uint32_t x = plane_state->src.x1 >> 16;
364 uint32_t y = plane_state->src.y1 >> 16;
365 uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
366 uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
370 switch (fb->pixel_format) {
371 case DRM_FORMAT_YUYV:
372 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
374 case DRM_FORMAT_YVYU:
375 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
377 case DRM_FORMAT_UYVY:
378 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
380 case DRM_FORMAT_VYUY:
381 sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
383 case DRM_FORMAT_RGB565:
384 sprctl |= SP_FORMAT_BGR565;
386 case DRM_FORMAT_XRGB8888:
387 sprctl |= SP_FORMAT_BGRX8888;
389 case DRM_FORMAT_ARGB8888:
390 sprctl |= SP_FORMAT_BGRA8888;
392 case DRM_FORMAT_XBGR2101010:
393 sprctl |= SP_FORMAT_RGBX1010102;
395 case DRM_FORMAT_ABGR2101010:
396 sprctl |= SP_FORMAT_RGBA1010102;
398 case DRM_FORMAT_XBGR8888:
399 sprctl |= SP_FORMAT_RGBX8888;
401 case DRM_FORMAT_ABGR8888:
402 sprctl |= SP_FORMAT_RGBA8888;
406 * If we get here one of the upper layers failed to filter
407 * out the unsupported plane formats
414 * Enable gamma to match primary/cursor plane behaviour.
415 * FIXME should be user controllable via propertiesa.
417 sprctl |= SP_GAMMA_ENABLE;
419 if (obj->tiling_mode != I915_TILING_NONE)
422 /* Sizes are 0 based */
428 linear_offset = y * fb->pitches[0] + x * cpp;
429 sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
430 fb->pitches[0], rotation);
431 linear_offset -= sprsurf_offset;
433 if (rotation == BIT(DRM_ROTATE_180)) {
434 sprctl |= SP_ROTATE_180;
438 linear_offset += src_h * fb->pitches[0] + src_w * cpp;
442 I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value);
443 I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value);
444 I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask);
447 if (key->flags & I915_SET_COLORKEY_SOURCE)
448 sprctl |= SP_SOURCE_KEY;
450 if (IS_CHERRYVIEW(dev) && pipe == PIPE_B)
451 chv_update_csc(intel_plane, fb->pixel_format);
453 I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
454 I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
456 if (obj->tiling_mode != I915_TILING_NONE)
457 I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
459 I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
461 I915_WRITE(SPCONSTALPHA(pipe, plane), 0);
463 I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w);
464 I915_WRITE(SPCNTR(pipe, plane), sprctl);
465 I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) +
467 POSTING_READ(SPSURF(pipe, plane));
471 vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc)
473 struct drm_device *dev = dplane->dev;
474 struct drm_i915_private *dev_priv = dev->dev_private;
475 struct intel_plane *intel_plane = to_intel_plane(dplane);
476 int pipe = intel_plane->pipe;
477 int plane = intel_plane->plane;
479 I915_WRITE(SPCNTR(pipe, plane), 0);
481 I915_WRITE(SPSURF(pipe, plane), 0);
482 POSTING_READ(SPSURF(pipe, plane));
486 ivb_update_plane(struct drm_plane *plane,
487 const struct intel_crtc_state *crtc_state,
488 const struct intel_plane_state *plane_state)
490 struct drm_device *dev = plane->dev;
491 struct drm_i915_private *dev_priv = dev->dev_private;
492 struct intel_plane *intel_plane = to_intel_plane(plane);
493 struct drm_framebuffer *fb = plane_state->base.fb;
494 struct drm_i915_gem_object *obj = intel_fb_obj(fb);
495 enum pipe pipe = intel_plane->pipe;
496 u32 sprctl, sprscale = 0;
497 u32 sprsurf_offset, linear_offset;
498 unsigned int rotation = plane_state->base.rotation;
499 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
500 const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
501 int crtc_x = plane_state->dst.x1;
502 int crtc_y = plane_state->dst.y1;
503 uint32_t crtc_w = drm_rect_width(&plane_state->dst);
504 uint32_t crtc_h = drm_rect_height(&plane_state->dst);
505 uint32_t x = plane_state->src.x1 >> 16;
506 uint32_t y = plane_state->src.y1 >> 16;
507 uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
508 uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
510 sprctl = SPRITE_ENABLE;
512 switch (fb->pixel_format) {
513 case DRM_FORMAT_XBGR8888:
514 sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
516 case DRM_FORMAT_XRGB8888:
517 sprctl |= SPRITE_FORMAT_RGBX888;
519 case DRM_FORMAT_YUYV:
520 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
522 case DRM_FORMAT_YVYU:
523 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
525 case DRM_FORMAT_UYVY:
526 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
528 case DRM_FORMAT_VYUY:
529 sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
536 * Enable gamma to match primary/cursor plane behaviour.
537 * FIXME should be user controllable via propertiesa.
539 sprctl |= SPRITE_GAMMA_ENABLE;
541 if (obj->tiling_mode != I915_TILING_NONE)
542 sprctl |= SPRITE_TILED;
544 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
545 sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE;
547 sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
549 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
550 sprctl |= SPRITE_PIPE_CSC_ENABLE;
552 /* Sizes are 0 based */
558 if (crtc_w != src_w || crtc_h != src_h)
559 sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
561 linear_offset = y * fb->pitches[0] + x * cpp;
562 sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
563 fb->pitches[0], rotation);
564 linear_offset -= sprsurf_offset;
566 if (rotation == BIT(DRM_ROTATE_180)) {
567 sprctl |= SPRITE_ROTATE_180;
569 /* HSW and BDW does this automagically in hardware */
570 if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) {
573 linear_offset += src_h * fb->pitches[0] + src_w * cpp;
578 I915_WRITE(SPRKEYVAL(pipe), key->min_value);
579 I915_WRITE(SPRKEYMAX(pipe), key->max_value);
580 I915_WRITE(SPRKEYMSK(pipe), key->channel_mask);
583 if (key->flags & I915_SET_COLORKEY_DESTINATION)
584 sprctl |= SPRITE_DEST_KEY;
585 else if (key->flags & I915_SET_COLORKEY_SOURCE)
586 sprctl |= SPRITE_SOURCE_KEY;
588 I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
589 I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
591 /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
593 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
594 I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
595 else if (obj->tiling_mode != I915_TILING_NONE)
596 I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
598 I915_WRITE(SPRLINOFF(pipe), linear_offset);
600 I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
601 if (intel_plane->can_scale)
602 I915_WRITE(SPRSCALE(pipe), sprscale);
603 I915_WRITE(SPRCTL(pipe), sprctl);
604 I915_WRITE(SPRSURF(pipe),
605 i915_gem_obj_ggtt_offset(obj) + sprsurf_offset);
606 POSTING_READ(SPRSURF(pipe));
610 ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
612 struct drm_device *dev = plane->dev;
613 struct drm_i915_private *dev_priv = dev->dev_private;
614 struct intel_plane *intel_plane = to_intel_plane(plane);
615 int pipe = intel_plane->pipe;
617 I915_WRITE(SPRCTL(pipe), 0);
618 /* Can't leave the scaler enabled... */
619 if (intel_plane->can_scale)
620 I915_WRITE(SPRSCALE(pipe), 0);
622 I915_WRITE(SPRSURF(pipe), 0);
623 POSTING_READ(SPRSURF(pipe));
627 ilk_update_plane(struct drm_plane *plane,
628 const struct intel_crtc_state *crtc_state,
629 const struct intel_plane_state *plane_state)
631 struct drm_device *dev = plane->dev;
632 struct drm_i915_private *dev_priv = dev->dev_private;
633 struct intel_plane *intel_plane = to_intel_plane(plane);
634 struct drm_framebuffer *fb = plane_state->base.fb;
635 struct drm_i915_gem_object *obj = intel_fb_obj(fb);
636 int pipe = intel_plane->pipe;
637 u32 dvscntr, dvsscale;
638 u32 dvssurf_offset, linear_offset;
639 unsigned int rotation = plane_state->base.rotation;
640 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
641 const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
642 int crtc_x = plane_state->dst.x1;
643 int crtc_y = plane_state->dst.y1;
644 uint32_t crtc_w = drm_rect_width(&plane_state->dst);
645 uint32_t crtc_h = drm_rect_height(&plane_state->dst);
646 uint32_t x = plane_state->src.x1 >> 16;
647 uint32_t y = plane_state->src.y1 >> 16;
648 uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
649 uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
651 dvscntr = DVS_ENABLE;
653 switch (fb->pixel_format) {
654 case DRM_FORMAT_XBGR8888:
655 dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
657 case DRM_FORMAT_XRGB8888:
658 dvscntr |= DVS_FORMAT_RGBX888;
660 case DRM_FORMAT_YUYV:
661 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
663 case DRM_FORMAT_YVYU:
664 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
666 case DRM_FORMAT_UYVY:
667 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
669 case DRM_FORMAT_VYUY:
670 dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
677 * Enable gamma to match primary/cursor plane behaviour.
678 * FIXME should be user controllable via propertiesa.
680 dvscntr |= DVS_GAMMA_ENABLE;
682 if (obj->tiling_mode != I915_TILING_NONE)
683 dvscntr |= DVS_TILED;
686 dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
688 /* Sizes are 0 based */
695 if (crtc_w != src_w || crtc_h != src_h)
696 dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
698 linear_offset = y * fb->pitches[0] + x * cpp;
699 dvssurf_offset = intel_compute_tile_offset(&x, &y, fb, 0,
700 fb->pitches[0], rotation);
701 linear_offset -= dvssurf_offset;
703 if (rotation == BIT(DRM_ROTATE_180)) {
704 dvscntr |= DVS_ROTATE_180;
708 linear_offset += src_h * fb->pitches[0] + src_w * cpp;
712 I915_WRITE(DVSKEYVAL(pipe), key->min_value);
713 I915_WRITE(DVSKEYMAX(pipe), key->max_value);
714 I915_WRITE(DVSKEYMSK(pipe), key->channel_mask);
717 if (key->flags & I915_SET_COLORKEY_DESTINATION)
718 dvscntr |= DVS_DEST_KEY;
719 else if (key->flags & I915_SET_COLORKEY_SOURCE)
720 dvscntr |= DVS_SOURCE_KEY;
722 I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
723 I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
725 if (obj->tiling_mode != I915_TILING_NONE)
726 I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
728 I915_WRITE(DVSLINOFF(pipe), linear_offset);
730 I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
731 I915_WRITE(DVSSCALE(pipe), dvsscale);
732 I915_WRITE(DVSCNTR(pipe), dvscntr);
733 I915_WRITE(DVSSURF(pipe),
734 i915_gem_obj_ggtt_offset(obj) + dvssurf_offset);
735 POSTING_READ(DVSSURF(pipe));
739 ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
741 struct drm_device *dev = plane->dev;
742 struct drm_i915_private *dev_priv = dev->dev_private;
743 struct intel_plane *intel_plane = to_intel_plane(plane);
744 int pipe = intel_plane->pipe;
746 I915_WRITE(DVSCNTR(pipe), 0);
747 /* Disable the scaler */
748 I915_WRITE(DVSSCALE(pipe), 0);
750 I915_WRITE(DVSSURF(pipe), 0);
751 POSTING_READ(DVSSURF(pipe));
755 intel_check_sprite_plane(struct drm_plane *plane,
756 struct intel_crtc_state *crtc_state,
757 struct intel_plane_state *state)
759 struct drm_device *dev = plane->dev;
760 struct drm_crtc *crtc = state->base.crtc;
761 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
762 struct intel_plane *intel_plane = to_intel_plane(plane);
763 struct drm_framebuffer *fb = state->base.fb;
765 unsigned int crtc_w, crtc_h;
766 uint32_t src_x, src_y, src_w, src_h;
767 struct drm_rect *src = &state->src;
768 struct drm_rect *dst = &state->dst;
769 const struct drm_rect *clip = &state->clip;
771 int max_scale, min_scale;
775 state->visible = false;
779 /* Don't modify another pipe's plane */
780 if (intel_plane->pipe != intel_crtc->pipe) {
781 DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
785 /* FIXME check all gen limits */
786 if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
787 DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
791 /* setup can_scale, min_scale, max_scale */
792 if (INTEL_INFO(dev)->gen >= 9) {
793 /* use scaler when colorkey is not required */
794 if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
797 max_scale = skl_max_scale(intel_crtc, crtc_state);
800 min_scale = DRM_PLANE_HELPER_NO_SCALING;
801 max_scale = DRM_PLANE_HELPER_NO_SCALING;
804 can_scale = intel_plane->can_scale;
805 max_scale = intel_plane->max_downscale << 16;
806 min_scale = intel_plane->can_scale ? 1 : (1 << 16);
810 * FIXME the following code does a bunch of fuzzy adjustments to the
811 * coordinates and sizes. We probably need some way to decide whether
812 * more strict checking should be done instead.
814 drm_rect_rotate(src, fb->width << 16, fb->height << 16,
815 state->base.rotation);
817 hscale = drm_rect_calc_hscale_relaxed(src, dst, min_scale, max_scale);
820 vscale = drm_rect_calc_vscale_relaxed(src, dst, min_scale, max_scale);
823 state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
827 crtc_w = drm_rect_width(dst);
828 crtc_h = drm_rect_height(dst);
830 if (state->visible) {
831 /* check again in case clipping clamped the results */
832 hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
834 DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
835 drm_rect_debug_print("src: ", src, true);
836 drm_rect_debug_print("dst: ", dst, false);
841 vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
843 DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
844 drm_rect_debug_print("src: ", src, true);
845 drm_rect_debug_print("dst: ", dst, false);
850 /* Make the source viewport size an exact multiple of the scaling factors. */
851 drm_rect_adjust_size(src,
852 drm_rect_width(dst) * hscale - drm_rect_width(src),
853 drm_rect_height(dst) * vscale - drm_rect_height(src));
855 drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
856 state->base.rotation);
858 /* sanity check to make sure the src viewport wasn't enlarged */
859 WARN_ON(src->x1 < (int) state->base.src_x ||
860 src->y1 < (int) state->base.src_y ||
861 src->x2 > (int) state->base.src_x + state->base.src_w ||
862 src->y2 > (int) state->base.src_y + state->base.src_h);
865 * Hardware doesn't handle subpixel coordinates.
866 * Adjust to (macro)pixel boundary, but be careful not to
867 * increase the source viewport size, because that could
868 * push the downscaling factor out of bounds.
870 src_x = src->x1 >> 16;
871 src_w = drm_rect_width(src) >> 16;
872 src_y = src->y1 >> 16;
873 src_h = drm_rect_height(src) >> 16;
875 if (format_is_yuv(fb->pixel_format)) {
880 * Must keep src and dst the
881 * same if we can't scale.
887 state->visible = false;
891 /* Check size restrictions when scaling */
892 if (state->visible && (src_w != crtc_w || src_h != crtc_h)) {
893 unsigned int width_bytes;
894 int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
898 /* FIXME interlacing min height is 6 */
900 if (crtc_w < 3 || crtc_h < 3)
901 state->visible = false;
903 if (src_w < 3 || src_h < 3)
904 state->visible = false;
906 width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
908 if (INTEL_INFO(dev)->gen < 9 && (src_w > 2048 || src_h > 2048 ||
909 width_bytes > 4096 || fb->pitches[0] > 4096)) {
910 DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
915 if (state->visible) {
916 src->x1 = src_x << 16;
917 src->x2 = (src_x + src_w) << 16;
918 src->y1 = src_y << 16;
919 src->y2 = (src_y + src_h) << 16;
923 dst->x2 = crtc_x + crtc_w;
925 dst->y2 = crtc_y + crtc_h;
930 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
931 struct drm_file *file_priv)
933 struct drm_intel_sprite_colorkey *set = data;
934 struct drm_plane *plane;
935 struct drm_plane_state *plane_state;
936 struct drm_atomic_state *state;
937 struct drm_modeset_acquire_ctx ctx;
940 /* Make sure we don't try to enable both src & dest simultaneously */
941 if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
944 if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) &&
945 set->flags & I915_SET_COLORKEY_DESTINATION)
948 plane = drm_plane_find(dev, set->plane_id);
949 if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
952 drm_modeset_acquire_init(&ctx, 0);
954 state = drm_atomic_state_alloc(plane->dev);
959 state->acquire_ctx = &ctx;
962 plane_state = drm_atomic_get_plane_state(state, plane);
963 ret = PTR_ERR_OR_ZERO(plane_state);
965 to_intel_plane_state(plane_state)->ckey = *set;
966 ret = drm_atomic_commit(state);
972 drm_atomic_state_clear(state);
973 drm_modeset_backoff(&ctx);
977 drm_atomic_state_free(state);
980 drm_modeset_drop_locks(&ctx);
981 drm_modeset_acquire_fini(&ctx);
985 static const uint32_t ilk_plane_formats[] = {
993 static const uint32_t snb_plane_formats[] = {
1002 static const uint32_t vlv_plane_formats[] = {
1004 DRM_FORMAT_ABGR8888,
1005 DRM_FORMAT_ARGB8888,
1006 DRM_FORMAT_XBGR8888,
1007 DRM_FORMAT_XRGB8888,
1008 DRM_FORMAT_XBGR2101010,
1009 DRM_FORMAT_ABGR2101010,
1016 static uint32_t skl_plane_formats[] = {
1018 DRM_FORMAT_ABGR8888,
1019 DRM_FORMAT_ARGB8888,
1020 DRM_FORMAT_XBGR8888,
1021 DRM_FORMAT_XRGB8888,
1029 intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
1031 struct intel_plane *intel_plane = NULL;
1032 struct intel_plane_state *state = NULL;
1033 unsigned long possible_crtcs;
1034 const uint32_t *plane_formats;
1035 int num_plane_formats;
1038 if (INTEL_INFO(dev)->gen < 5)
1041 intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
1047 state = intel_create_plane_state(&intel_plane->base);
1052 intel_plane->base.state = &state->base;
1054 switch (INTEL_INFO(dev)->gen) {
1057 intel_plane->can_scale = true;
1058 intel_plane->max_downscale = 16;
1059 intel_plane->update_plane = ilk_update_plane;
1060 intel_plane->disable_plane = ilk_disable_plane;
1063 plane_formats = snb_plane_formats;
1064 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1066 plane_formats = ilk_plane_formats;
1067 num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
1073 if (IS_IVYBRIDGE(dev)) {
1074 intel_plane->can_scale = true;
1075 intel_plane->max_downscale = 2;
1077 intel_plane->can_scale = false;
1078 intel_plane->max_downscale = 1;
1081 if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
1082 intel_plane->update_plane = vlv_update_plane;
1083 intel_plane->disable_plane = vlv_disable_plane;
1085 plane_formats = vlv_plane_formats;
1086 num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
1088 intel_plane->update_plane = ivb_update_plane;
1089 intel_plane->disable_plane = ivb_disable_plane;
1091 plane_formats = snb_plane_formats;
1092 num_plane_formats = ARRAY_SIZE(snb_plane_formats);
1096 intel_plane->can_scale = true;
1097 intel_plane->update_plane = skl_update_plane;
1098 intel_plane->disable_plane = skl_disable_plane;
1099 state->scaler_id = -1;
1101 plane_formats = skl_plane_formats;
1102 num_plane_formats = ARRAY_SIZE(skl_plane_formats);
1105 MISSING_CASE(INTEL_INFO(dev)->gen);
1110 intel_plane->pipe = pipe;
1111 intel_plane->plane = plane;
1112 intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane);
1113 intel_plane->check_plane = intel_check_sprite_plane;
1115 possible_crtcs = (1 << pipe);
1117 if (INTEL_INFO(dev)->gen >= 9)
1118 ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
1120 plane_formats, num_plane_formats,
1121 DRM_PLANE_TYPE_OVERLAY,
1122 "plane %d%c", plane + 2, pipe_name(pipe));
1124 ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
1126 plane_formats, num_plane_formats,
1127 DRM_PLANE_TYPE_OVERLAY,
1128 "sprite %c", sprite_name(pipe, plane));
1132 intel_create_rotation_property(dev, intel_plane);
1134 drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);