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
*mode
, int usecs
)
59 if (!mode
->crtc_htotal
)
62 return DIV_ROUND_UP(usecs
* mode
->crtc_clock
, 1000 * mode
->crtc_htotal
);
66 * intel_pipe_update_start() - start update of a set of display registers
67 * @crtc: the crtc of which the registers are going to be updated
68 * @start_vbl_count: vblank counter return pointer used for error checking
70 * Mark the start of an update to pipe registers that should be updated
71 * atomically regarding vblank. If the next vblank will happens within
72 * the next 100 us, this function waits until the vblank passes.
74 * After a successful call to this function, interrupts will be disabled
75 * until a subsequent call to intel_pipe_update_end(). That is done to
76 * avoid random delays. The value written to @start_vbl_count should be
77 * supplied to intel_pipe_update_end() for error checking.
79 void intel_pipe_update_start(struct intel_crtc
*crtc
)
81 struct drm_device
*dev
= crtc
->base
.dev
;
82 const struct drm_display_mode
*mode
= &crtc
->config
->base
.adjusted_mode
;
83 enum pipe pipe
= crtc
->pipe
;
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
= mode
->crtc_vblank_start
;
90 if (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(mode
, 100);
95 max
= vblank_start
- 1;
98 crtc
->start_vbl_count
= 0;
100 if (min
<= 0 || max
<= 0)
103 if (WARN_ON(drm_crtc_vblank_get(&crtc
->base
)))
106 trace_i915_pipe_update_start(crtc
, min
, max
);
110 * prepare_to_wait() has a memory barrier, which guarantees
111 * other CPUs can see the task state update by the time we
114 prepare_to_wait(wq
, &wait
, TASK_UNINTERRUPTIBLE
);
116 scanline
= intel_get_crtc_scanline(crtc
);
117 if (scanline
< min
|| scanline
> max
)
121 DRM_ERROR("Potential atomic update failure on pipe %c\n",
122 pipe_name(crtc
->pipe
));
128 timeout
= schedule_timeout(timeout
);
133 finish_wait(wq
, &wait
);
135 drm_crtc_vblank_put(&crtc
->base
);
137 crtc
->start_vbl_time
= ktime_get();
138 crtc
->start_vbl_count
= dev
->driver
->get_vblank_counter(dev
, pipe
);
140 trace_i915_pipe_update_vblank_evaded(crtc
, min
, max
,
141 crtc
->start_vbl_count
);
145 * intel_pipe_update_end() - end update of a set of display registers
146 * @crtc: the crtc of which the registers were updated
147 * @start_vbl_count: start vblank counter (used for error checking)
149 * Mark the end of an update started with intel_pipe_update_start(). This
150 * re-enables interrupts and verifies the update was actually completed
151 * before a vblank using the value of @start_vbl_count.
153 void intel_pipe_update_end(struct intel_crtc
*crtc
)
155 struct drm_device
*dev
= crtc
->base
.dev
;
156 enum pipe pipe
= crtc
->pipe
;
157 u32 end_vbl_count
= dev
->driver
->get_vblank_counter(dev
, pipe
);
158 ktime_t end_vbl_time
= ktime_get();
160 trace_i915_pipe_update_end(crtc
, end_vbl_count
);
164 if (crtc
->start_vbl_count
&& crtc
->start_vbl_count
!= end_vbl_count
)
165 DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us\n",
166 pipe_name(pipe
), crtc
->start_vbl_count
, end_vbl_count
,
167 ktime_us_delta(end_vbl_time
, crtc
->start_vbl_time
));
171 skl_update_plane(struct drm_plane
*drm_plane
, struct drm_crtc
*crtc
,
172 struct drm_framebuffer
*fb
,
173 int crtc_x
, int crtc_y
,
174 unsigned int crtc_w
, unsigned int crtc_h
,
175 uint32_t x
, uint32_t y
,
176 uint32_t src_w
, uint32_t src_h
)
178 struct drm_device
*dev
= drm_plane
->dev
;
179 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
180 struct intel_plane
*intel_plane
= to_intel_plane(drm_plane
);
181 struct drm_i915_gem_object
*obj
= intel_fb_obj(fb
);
182 const int pipe
= intel_plane
->pipe
;
183 const int plane
= intel_plane
->plane
+ 1;
184 u32 plane_ctl
, stride_div
, stride
;
185 int pixel_size
= drm_format_plane_cpp(fb
->pixel_format
, 0);
186 const struct drm_intel_sprite_colorkey
*key
=
187 &to_intel_plane_state(drm_plane
->state
)->ckey
;
188 unsigned long surf_addr
;
189 u32 tile_height
, plane_offset
, plane_size
;
190 unsigned int rotation
;
191 int x_offset
, y_offset
;
192 struct intel_crtc_state
*crtc_state
= to_intel_crtc(crtc
)->config
;
195 plane_ctl
= PLANE_CTL_ENABLE
|
196 PLANE_CTL_PIPE_CSC_ENABLE
;
198 plane_ctl
|= skl_plane_ctl_format(fb
->pixel_format
);
199 plane_ctl
|= skl_plane_ctl_tiling(fb
->modifier
[0]);
201 rotation
= drm_plane
->state
->rotation
;
202 plane_ctl
|= skl_plane_ctl_rotation(rotation
);
204 intel_update_sprite_watermarks(drm_plane
, crtc
, src_w
, src_h
,
206 src_w
!= crtc_w
|| src_h
!= crtc_h
);
208 stride_div
= intel_fb_stride_alignment(dev
, fb
->modifier
[0],
211 scaler_id
= to_intel_plane_state(drm_plane
->state
)->scaler_id
;
213 /* Sizes are 0 based */
220 I915_WRITE(PLANE_KEYVAL(pipe
, plane
), key
->min_value
);
221 I915_WRITE(PLANE_KEYMAX(pipe
, plane
), key
->max_value
);
222 I915_WRITE(PLANE_KEYMSK(pipe
, plane
), key
->channel_mask
);
225 if (key
->flags
& I915_SET_COLORKEY_DESTINATION
)
226 plane_ctl
|= PLANE_CTL_KEY_ENABLE_DESTINATION
;
227 else if (key
->flags
& I915_SET_COLORKEY_SOURCE
)
228 plane_ctl
|= PLANE_CTL_KEY_ENABLE_SOURCE
;
230 surf_addr
= intel_plane_obj_offset(intel_plane
, obj
);
232 if (intel_rotation_90_or_270(rotation
)) {
233 /* stride: Surface height in tiles */
234 tile_height
= intel_tile_height(dev
, fb
->pixel_format
,
236 stride
= DIV_ROUND_UP(fb
->height
, tile_height
);
237 plane_size
= (src_w
<< 16) | src_h
;
238 x_offset
= stride
* tile_height
- y
- (src_h
+ 1);
241 stride
= fb
->pitches
[0] / stride_div
;
242 plane_size
= (src_h
<< 16) | src_w
;
246 plane_offset
= y_offset
<< 16 | x_offset
;
248 I915_WRITE(PLANE_OFFSET(pipe
, plane
), plane_offset
);
249 I915_WRITE(PLANE_STRIDE(pipe
, plane
), stride
);
250 I915_WRITE(PLANE_SIZE(pipe
, plane
), plane_size
);
252 /* program plane scaler */
253 if (scaler_id
>= 0) {
254 uint32_t ps_ctrl
= 0;
256 DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane
,
257 PS_PLANE_SEL(plane
));
258 ps_ctrl
= PS_SCALER_EN
| PS_PLANE_SEL(plane
) |
259 crtc_state
->scaler_state
.scalers
[scaler_id
].mode
;
260 I915_WRITE(SKL_PS_CTRL(pipe
, scaler_id
), ps_ctrl
);
261 I915_WRITE(SKL_PS_PWR_GATE(pipe
, scaler_id
), 0);
262 I915_WRITE(SKL_PS_WIN_POS(pipe
, scaler_id
), (crtc_x
<< 16) | crtc_y
);
263 I915_WRITE(SKL_PS_WIN_SZ(pipe
, scaler_id
),
264 ((crtc_w
+ 1) << 16)|(crtc_h
+ 1));
266 I915_WRITE(PLANE_POS(pipe
, plane
), 0);
268 I915_WRITE(PLANE_POS(pipe
, plane
), (crtc_y
<< 16) | crtc_x
);
271 I915_WRITE(PLANE_CTL(pipe
, plane
), plane_ctl
);
272 I915_WRITE(PLANE_SURF(pipe
, plane
), surf_addr
);
273 POSTING_READ(PLANE_SURF(pipe
, plane
));
277 skl_disable_plane(struct drm_plane
*dplane
, struct drm_crtc
*crtc
)
279 struct drm_device
*dev
= dplane
->dev
;
280 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
281 struct intel_plane
*intel_plane
= to_intel_plane(dplane
);
282 const int pipe
= intel_plane
->pipe
;
283 const int plane
= intel_plane
->plane
+ 1;
285 I915_WRITE(PLANE_CTL(pipe
, plane
), 0);
287 I915_WRITE(PLANE_SURF(pipe
, plane
), 0);
288 POSTING_READ(PLANE_SURF(pipe
, plane
));
290 intel_update_sprite_watermarks(dplane
, crtc
, 0, 0, 0, false, false);
294 chv_update_csc(struct intel_plane
*intel_plane
, uint32_t format
)
296 struct drm_i915_private
*dev_priv
= intel_plane
->base
.dev
->dev_private
;
297 int plane
= intel_plane
->plane
;
299 /* Seems RGB data bypasses the CSC always */
300 if (!format_is_yuv(format
))
304 * BT.601 limited range YCbCr -> full range RGB
306 * |r| | 6537 4769 0| |cr |
307 * |g| = |-3330 4769 -1605| x |y-64|
308 * |b| | 0 4769 8263| |cb |
310 * Cb and Cr apparently come in as signed already, so no
311 * need for any offset. For Y we need to remove the offset.
313 I915_WRITE(SPCSCYGOFF(plane
), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
314 I915_WRITE(SPCSCCBOFF(plane
), SPCSC_OOFF(0) | SPCSC_IOFF(0));
315 I915_WRITE(SPCSCCROFF(plane
), SPCSC_OOFF(0) | SPCSC_IOFF(0));
317 I915_WRITE(SPCSCC01(plane
), SPCSC_C1(4769) | SPCSC_C0(6537));
318 I915_WRITE(SPCSCC23(plane
), SPCSC_C1(-3330) | SPCSC_C0(0));
319 I915_WRITE(SPCSCC45(plane
), SPCSC_C1(-1605) | SPCSC_C0(4769));
320 I915_WRITE(SPCSCC67(plane
), SPCSC_C1(4769) | SPCSC_C0(0));
321 I915_WRITE(SPCSCC8(plane
), SPCSC_C0(8263));
323 I915_WRITE(SPCSCYGICLAMP(plane
), SPCSC_IMAX(940) | SPCSC_IMIN(64));
324 I915_WRITE(SPCSCCBICLAMP(plane
), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
325 I915_WRITE(SPCSCCRICLAMP(plane
), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
327 I915_WRITE(SPCSCYGOCLAMP(plane
), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
328 I915_WRITE(SPCSCCBOCLAMP(plane
), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
329 I915_WRITE(SPCSCCROCLAMP(plane
), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
333 vlv_update_plane(struct drm_plane
*dplane
, struct drm_crtc
*crtc
,
334 struct drm_framebuffer
*fb
,
335 int crtc_x
, int crtc_y
,
336 unsigned int crtc_w
, unsigned int crtc_h
,
337 uint32_t x
, uint32_t y
,
338 uint32_t src_w
, uint32_t src_h
)
340 struct drm_device
*dev
= dplane
->dev
;
341 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
342 struct intel_plane
*intel_plane
= to_intel_plane(dplane
);
343 struct drm_i915_gem_object
*obj
= intel_fb_obj(fb
);
344 int pipe
= intel_plane
->pipe
;
345 int plane
= intel_plane
->plane
;
347 unsigned long sprsurf_offset
, linear_offset
;
348 int pixel_size
= drm_format_plane_cpp(fb
->pixel_format
, 0);
349 const struct drm_intel_sprite_colorkey
*key
=
350 &to_intel_plane_state(dplane
->state
)->ckey
;
354 switch (fb
->pixel_format
) {
355 case DRM_FORMAT_YUYV
:
356 sprctl
|= SP_FORMAT_YUV422
| SP_YUV_ORDER_YUYV
;
358 case DRM_FORMAT_YVYU
:
359 sprctl
|= SP_FORMAT_YUV422
| SP_YUV_ORDER_YVYU
;
361 case DRM_FORMAT_UYVY
:
362 sprctl
|= SP_FORMAT_YUV422
| SP_YUV_ORDER_UYVY
;
364 case DRM_FORMAT_VYUY
:
365 sprctl
|= SP_FORMAT_YUV422
| SP_YUV_ORDER_VYUY
;
367 case DRM_FORMAT_RGB565
:
368 sprctl
|= SP_FORMAT_BGR565
;
370 case DRM_FORMAT_XRGB8888
:
371 sprctl
|= SP_FORMAT_BGRX8888
;
373 case DRM_FORMAT_ARGB8888
:
374 sprctl
|= SP_FORMAT_BGRA8888
;
376 case DRM_FORMAT_XBGR2101010
:
377 sprctl
|= SP_FORMAT_RGBX1010102
;
379 case DRM_FORMAT_ABGR2101010
:
380 sprctl
|= SP_FORMAT_RGBA1010102
;
382 case DRM_FORMAT_XBGR8888
:
383 sprctl
|= SP_FORMAT_RGBX8888
;
385 case DRM_FORMAT_ABGR8888
:
386 sprctl
|= SP_FORMAT_RGBA8888
;
390 * If we get here one of the upper layers failed to filter
391 * out the unsupported plane formats
398 * Enable gamma to match primary/cursor plane behaviour.
399 * FIXME should be user controllable via propertiesa.
401 sprctl
|= SP_GAMMA_ENABLE
;
403 if (obj
->tiling_mode
!= I915_TILING_NONE
)
406 /* Sizes are 0 based */
412 linear_offset
= y
* fb
->pitches
[0] + x
* pixel_size
;
413 sprsurf_offset
= intel_gen4_compute_page_offset(dev_priv
,
418 linear_offset
-= sprsurf_offset
;
420 if (dplane
->state
->rotation
== BIT(DRM_ROTATE_180
)) {
421 sprctl
|= SP_ROTATE_180
;
425 linear_offset
+= src_h
* fb
->pitches
[0] + src_w
* pixel_size
;
429 I915_WRITE(SPKEYMINVAL(pipe
, plane
), key
->min_value
);
430 I915_WRITE(SPKEYMAXVAL(pipe
, plane
), key
->max_value
);
431 I915_WRITE(SPKEYMSK(pipe
, plane
), key
->channel_mask
);
434 if (key
->flags
& I915_SET_COLORKEY_SOURCE
)
435 sprctl
|= SP_SOURCE_KEY
;
437 if (IS_CHERRYVIEW(dev
) && pipe
== PIPE_B
)
438 chv_update_csc(intel_plane
, fb
->pixel_format
);
440 I915_WRITE(SPSTRIDE(pipe
, plane
), fb
->pitches
[0]);
441 I915_WRITE(SPPOS(pipe
, plane
), (crtc_y
<< 16) | crtc_x
);
443 if (obj
->tiling_mode
!= I915_TILING_NONE
)
444 I915_WRITE(SPTILEOFF(pipe
, plane
), (y
<< 16) | x
);
446 I915_WRITE(SPLINOFF(pipe
, plane
), linear_offset
);
448 I915_WRITE(SPCONSTALPHA(pipe
, plane
), 0);
450 I915_WRITE(SPSIZE(pipe
, plane
), (crtc_h
<< 16) | crtc_w
);
451 I915_WRITE(SPCNTR(pipe
, plane
), sprctl
);
452 I915_WRITE(SPSURF(pipe
, plane
), i915_gem_obj_ggtt_offset(obj
) +
454 POSTING_READ(SPSURF(pipe
, plane
));
458 vlv_disable_plane(struct drm_plane
*dplane
, struct drm_crtc
*crtc
)
460 struct drm_device
*dev
= dplane
->dev
;
461 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
462 struct intel_plane
*intel_plane
= to_intel_plane(dplane
);
463 int pipe
= intel_plane
->pipe
;
464 int plane
= intel_plane
->plane
;
466 I915_WRITE(SPCNTR(pipe
, plane
), 0);
468 I915_WRITE(SPSURF(pipe
, plane
), 0);
469 POSTING_READ(SPSURF(pipe
, plane
));
473 ivb_update_plane(struct drm_plane
*plane
, struct drm_crtc
*crtc
,
474 struct drm_framebuffer
*fb
,
475 int crtc_x
, int crtc_y
,
476 unsigned int crtc_w
, unsigned int crtc_h
,
477 uint32_t x
, uint32_t y
,
478 uint32_t src_w
, uint32_t src_h
)
480 struct drm_device
*dev
= plane
->dev
;
481 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
482 struct intel_plane
*intel_plane
= to_intel_plane(plane
);
483 struct drm_i915_gem_object
*obj
= intel_fb_obj(fb
);
484 enum pipe pipe
= intel_plane
->pipe
;
485 u32 sprctl
, sprscale
= 0;
486 unsigned long sprsurf_offset
, linear_offset
;
487 int pixel_size
= drm_format_plane_cpp(fb
->pixel_format
, 0);
488 const struct drm_intel_sprite_colorkey
*key
=
489 &to_intel_plane_state(plane
->state
)->ckey
;
491 sprctl
= SPRITE_ENABLE
;
493 switch (fb
->pixel_format
) {
494 case DRM_FORMAT_XBGR8888
:
495 sprctl
|= SPRITE_FORMAT_RGBX888
| SPRITE_RGB_ORDER_RGBX
;
497 case DRM_FORMAT_XRGB8888
:
498 sprctl
|= SPRITE_FORMAT_RGBX888
;
500 case DRM_FORMAT_YUYV
:
501 sprctl
|= SPRITE_FORMAT_YUV422
| SPRITE_YUV_ORDER_YUYV
;
503 case DRM_FORMAT_YVYU
:
504 sprctl
|= SPRITE_FORMAT_YUV422
| SPRITE_YUV_ORDER_YVYU
;
506 case DRM_FORMAT_UYVY
:
507 sprctl
|= SPRITE_FORMAT_YUV422
| SPRITE_YUV_ORDER_UYVY
;
509 case DRM_FORMAT_VYUY
:
510 sprctl
|= SPRITE_FORMAT_YUV422
| SPRITE_YUV_ORDER_VYUY
;
517 * Enable gamma to match primary/cursor plane behaviour.
518 * FIXME should be user controllable via propertiesa.
520 sprctl
|= SPRITE_GAMMA_ENABLE
;
522 if (obj
->tiling_mode
!= I915_TILING_NONE
)
523 sprctl
|= SPRITE_TILED
;
525 if (IS_HASWELL(dev
) || IS_BROADWELL(dev
))
526 sprctl
&= ~SPRITE_TRICKLE_FEED_DISABLE
;
528 sprctl
|= SPRITE_TRICKLE_FEED_DISABLE
;
530 if (IS_HASWELL(dev
) || IS_BROADWELL(dev
))
531 sprctl
|= SPRITE_PIPE_CSC_ENABLE
;
533 intel_update_sprite_watermarks(plane
, crtc
, src_w
, src_h
, pixel_size
,
535 src_w
!= crtc_w
|| src_h
!= crtc_h
);
537 /* Sizes are 0 based */
543 if (crtc_w
!= src_w
|| crtc_h
!= src_h
)
544 sprscale
= SPRITE_SCALE_ENABLE
| (src_w
<< 16) | src_h
;
546 linear_offset
= y
* fb
->pitches
[0] + x
* pixel_size
;
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
;
553 if (plane
->state
->rotation
== BIT(DRM_ROTATE_180
)) {
554 sprctl
|= SPRITE_ROTATE_180
;
556 /* HSW and BDW does this automagically in hardware */
557 if (!IS_HASWELL(dev
) && !IS_BROADWELL(dev
)) {
560 linear_offset
+= src_h
* fb
->pitches
[0] +
566 I915_WRITE(SPRKEYVAL(pipe
), key
->min_value
);
567 I915_WRITE(SPRKEYMAX(pipe
), key
->max_value
);
568 I915_WRITE(SPRKEYMSK(pipe
), key
->channel_mask
);
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
;
576 I915_WRITE(SPRSTRIDE(pipe
), fb
->pitches
[0]);
577 I915_WRITE(SPRPOS(pipe
), (crtc_y
<< 16) | crtc_x
);
579 /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
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
);
586 I915_WRITE(SPRLINOFF(pipe
), linear_offset
);
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
));
598 ivb_disable_plane(struct drm_plane
*plane
, struct drm_crtc
*crtc
)
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
;
605 I915_WRITE(SPRCTL(pipe
), I915_READ(SPRCTL(pipe
)) & ~SPRITE_ENABLE
);
606 /* Can't leave the scaler enabled... */
607 if (intel_plane
->can_scale
)
608 I915_WRITE(SPRSCALE(pipe
), 0);
610 I915_WRITE(SPRSURF(pipe
), 0);
611 POSTING_READ(SPRSURF(pipe
));
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
)
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
;
633 dvscntr
= DVS_ENABLE
;
635 switch (fb
->pixel_format
) {
636 case DRM_FORMAT_XBGR8888
:
637 dvscntr
|= DVS_FORMAT_RGBX888
| DVS_RGB_ORDER_XBGR
;
639 case DRM_FORMAT_XRGB8888
:
640 dvscntr
|= DVS_FORMAT_RGBX888
;
642 case DRM_FORMAT_YUYV
:
643 dvscntr
|= DVS_FORMAT_YUV422
| DVS_YUV_ORDER_YUYV
;
645 case DRM_FORMAT_YVYU
:
646 dvscntr
|= DVS_FORMAT_YUV422
| DVS_YUV_ORDER_YVYU
;
648 case DRM_FORMAT_UYVY
:
649 dvscntr
|= DVS_FORMAT_YUV422
| DVS_YUV_ORDER_UYVY
;
651 case DRM_FORMAT_VYUY
:
652 dvscntr
|= DVS_FORMAT_YUV422
| DVS_YUV_ORDER_VYUY
;
659 * Enable gamma to match primary/cursor plane behaviour.
660 * FIXME should be user controllable via propertiesa.
662 dvscntr
|= DVS_GAMMA_ENABLE
;
664 if (obj
->tiling_mode
!= I915_TILING_NONE
)
665 dvscntr
|= DVS_TILED
;
668 dvscntr
|= DVS_TRICKLE_FEED_DISABLE
; /* must disable */
670 intel_update_sprite_watermarks(plane
, crtc
, src_w
, src_h
,
672 src_w
!= crtc_w
|| src_h
!= crtc_h
);
674 /* Sizes are 0 based */
681 if (crtc_w
!= src_w
|| crtc_h
!= src_h
)
682 dvsscale
= DVS_SCALE_ENABLE
| (src_w
<< 16) | src_h
;
684 linear_offset
= y
* fb
->pitches
[0] + x
* pixel_size
;
686 intel_gen4_compute_page_offset(dev_priv
,
687 &x
, &y
, obj
->tiling_mode
,
688 pixel_size
, fb
->pitches
[0]);
689 linear_offset
-= dvssurf_offset
;
691 if (plane
->state
->rotation
== BIT(DRM_ROTATE_180
)) {
692 dvscntr
|= DVS_ROTATE_180
;
696 linear_offset
+= src_h
* fb
->pitches
[0] + src_w
* pixel_size
;
700 I915_WRITE(DVSKEYVAL(pipe
), key
->min_value
);
701 I915_WRITE(DVSKEYMAX(pipe
), key
->max_value
);
702 I915_WRITE(DVSKEYMSK(pipe
), key
->channel_mask
);
705 if (key
->flags
& I915_SET_COLORKEY_DESTINATION
)
706 dvscntr
|= DVS_DEST_KEY
;
707 else if (key
->flags
& I915_SET_COLORKEY_SOURCE
)
708 dvscntr
|= DVS_SOURCE_KEY
;
710 I915_WRITE(DVSSTRIDE(pipe
), fb
->pitches
[0]);
711 I915_WRITE(DVSPOS(pipe
), (crtc_y
<< 16) | crtc_x
);
713 if (obj
->tiling_mode
!= I915_TILING_NONE
)
714 I915_WRITE(DVSTILEOFF(pipe
), (y
<< 16) | x
);
716 I915_WRITE(DVSLINOFF(pipe
), linear_offset
);
718 I915_WRITE(DVSSIZE(pipe
), (crtc_h
<< 16) | crtc_w
);
719 I915_WRITE(DVSSCALE(pipe
), dvsscale
);
720 I915_WRITE(DVSCNTR(pipe
), dvscntr
);
721 I915_WRITE(DVSSURF(pipe
),
722 i915_gem_obj_ggtt_offset(obj
) + dvssurf_offset
);
723 POSTING_READ(DVSSURF(pipe
));
727 ilk_disable_plane(struct drm_plane
*plane
, struct drm_crtc
*crtc
)
729 struct drm_device
*dev
= plane
->dev
;
730 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
731 struct intel_plane
*intel_plane
= to_intel_plane(plane
);
732 int pipe
= intel_plane
->pipe
;
734 I915_WRITE(DVSCNTR(pipe
), 0);
735 /* Disable the scaler */
736 I915_WRITE(DVSSCALE(pipe
), 0);
738 I915_WRITE(DVSSURF(pipe
), 0);
739 POSTING_READ(DVSSURF(pipe
));
743 intel_check_sprite_plane(struct drm_plane
*plane
,
744 struct intel_crtc_state
*crtc_state
,
745 struct intel_plane_state
*state
)
747 struct drm_device
*dev
= plane
->dev
;
748 struct drm_crtc
*crtc
= state
->base
.crtc
;
749 struct intel_crtc
*intel_crtc
= to_intel_crtc(crtc
);
750 struct intel_plane
*intel_plane
= to_intel_plane(plane
);
751 struct drm_framebuffer
*fb
= state
->base
.fb
;
753 unsigned int crtc_w
, crtc_h
;
754 uint32_t src_x
, src_y
, src_w
, src_h
;
755 struct drm_rect
*src
= &state
->src
;
756 struct drm_rect
*dst
= &state
->dst
;
757 const struct drm_rect
*clip
= &state
->clip
;
759 int max_scale
, min_scale
;
764 state
->visible
= false;
768 /* Don't modify another pipe's plane */
769 if (intel_plane
->pipe
!= intel_crtc
->pipe
) {
770 DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
774 /* FIXME check all gen limits */
775 if (fb
->width
< 3 || fb
->height
< 3 || fb
->pitches
[0] > 16384) {
776 DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
780 /* setup can_scale, min_scale, max_scale */
781 if (INTEL_INFO(dev
)->gen
>= 9) {
782 /* use scaler when colorkey is not required */
783 if (state
->ckey
.flags
== I915_SET_COLORKEY_NONE
) {
786 max_scale
= skl_max_scale(intel_crtc
, crtc_state
);
789 min_scale
= DRM_PLANE_HELPER_NO_SCALING
;
790 max_scale
= DRM_PLANE_HELPER_NO_SCALING
;
793 can_scale
= intel_plane
->can_scale
;
794 max_scale
= intel_plane
->max_downscale
<< 16;
795 min_scale
= intel_plane
->can_scale
? 1 : (1 << 16);
799 * FIXME the following code does a bunch of fuzzy adjustments to the
800 * coordinates and sizes. We probably need some way to decide whether
801 * more strict checking should be done instead.
803 drm_rect_rotate(src
, fb
->width
<< 16, fb
->height
<< 16,
804 state
->base
.rotation
);
806 hscale
= drm_rect_calc_hscale_relaxed(src
, dst
, min_scale
, max_scale
);
809 vscale
= drm_rect_calc_vscale_relaxed(src
, dst
, min_scale
, max_scale
);
812 state
->visible
= drm_rect_clip_scaled(src
, dst
, clip
, hscale
, vscale
);
816 crtc_w
= drm_rect_width(dst
);
817 crtc_h
= drm_rect_height(dst
);
819 if (state
->visible
) {
820 /* check again in case clipping clamped the results */
821 hscale
= drm_rect_calc_hscale(src
, dst
, min_scale
, max_scale
);
823 DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
824 drm_rect_debug_print(src
, true);
825 drm_rect_debug_print(dst
, false);
830 vscale
= drm_rect_calc_vscale(src
, dst
, min_scale
, max_scale
);
832 DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
833 drm_rect_debug_print(src
, true);
834 drm_rect_debug_print(dst
, false);
839 /* Make the source viewport size an exact multiple of the scaling factors. */
840 drm_rect_adjust_size(src
,
841 drm_rect_width(dst
) * hscale
- drm_rect_width(src
),
842 drm_rect_height(dst
) * vscale
- drm_rect_height(src
));
844 drm_rect_rotate_inv(src
, fb
->width
<< 16, fb
->height
<< 16,
845 state
->base
.rotation
);
847 /* sanity check to make sure the src viewport wasn't enlarged */
848 WARN_ON(src
->x1
< (int) state
->base
.src_x
||
849 src
->y1
< (int) state
->base
.src_y
||
850 src
->x2
> (int) state
->base
.src_x
+ state
->base
.src_w
||
851 src
->y2
> (int) state
->base
.src_y
+ state
->base
.src_h
);
854 * Hardware doesn't handle subpixel coordinates.
855 * Adjust to (macro)pixel boundary, but be careful not to
856 * increase the source viewport size, because that could
857 * push the downscaling factor out of bounds.
859 src_x
= src
->x1
>> 16;
860 src_w
= drm_rect_width(src
) >> 16;
861 src_y
= src
->y1
>> 16;
862 src_h
= drm_rect_height(src
) >> 16;
864 if (format_is_yuv(fb
->pixel_format
)) {
869 * Must keep src and dst the
870 * same if we can't scale.
876 state
->visible
= false;
880 /* Check size restrictions when scaling */
881 if (state
->visible
&& (src_w
!= crtc_w
|| src_h
!= crtc_h
)) {
882 unsigned int width_bytes
;
886 /* FIXME interlacing min height is 6 */
888 if (crtc_w
< 3 || crtc_h
< 3)
889 state
->visible
= false;
891 if (src_w
< 3 || src_h
< 3)
892 state
->visible
= false;
894 pixel_size
= drm_format_plane_cpp(fb
->pixel_format
, 0);
895 width_bytes
= ((src_x
* pixel_size
) & 63) +
898 if (INTEL_INFO(dev
)->gen
< 9 && (src_w
> 2048 || src_h
> 2048 ||
899 width_bytes
> 4096 || fb
->pitches
[0] > 4096)) {
900 DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
905 if (state
->visible
) {
906 src
->x1
= src_x
<< 16;
907 src
->x2
= (src_x
+ src_w
) << 16;
908 src
->y1
= src_y
<< 16;
909 src
->y2
= (src_y
+ src_h
) << 16;
913 dst
->x2
= crtc_x
+ crtc_w
;
915 dst
->y2
= crtc_y
+ crtc_h
;
921 intel_commit_sprite_plane(struct drm_plane
*plane
,
922 struct intel_plane_state
*state
)
924 struct drm_crtc
*crtc
= state
->base
.crtc
;
925 struct intel_plane
*intel_plane
= to_intel_plane(plane
);
926 struct drm_framebuffer
*fb
= state
->base
.fb
;
928 crtc
= crtc
? crtc
: plane
->crtc
;
930 if (!crtc
->state
->active
)
933 if (state
->visible
) {
934 intel_plane
->update_plane(plane
, crtc
, fb
,
935 state
->dst
.x1
, state
->dst
.y1
,
936 drm_rect_width(&state
->dst
),
937 drm_rect_height(&state
->dst
),
940 drm_rect_width(&state
->src
) >> 16,
941 drm_rect_height(&state
->src
) >> 16);
943 intel_plane
->disable_plane(plane
, crtc
);
947 int intel_sprite_set_colorkey(struct drm_device
*dev
, void *data
,
948 struct drm_file
*file_priv
)
950 struct drm_intel_sprite_colorkey
*set
= data
;
951 struct drm_plane
*plane
;
952 struct drm_plane_state
*plane_state
;
953 struct drm_atomic_state
*state
;
954 struct drm_modeset_acquire_ctx ctx
;
957 /* Make sure we don't try to enable both src & dest simultaneously */
958 if ((set
->flags
& (I915_SET_COLORKEY_DESTINATION
| I915_SET_COLORKEY_SOURCE
)) == (I915_SET_COLORKEY_DESTINATION
| I915_SET_COLORKEY_SOURCE
))
961 if (IS_VALLEYVIEW(dev
) &&
962 set
->flags
& I915_SET_COLORKEY_DESTINATION
)
965 plane
= drm_plane_find(dev
, set
->plane_id
);
966 if (!plane
|| plane
->type
!= DRM_PLANE_TYPE_OVERLAY
)
969 drm_modeset_acquire_init(&ctx
, 0);
971 state
= drm_atomic_state_alloc(plane
->dev
);
976 state
->acquire_ctx
= &ctx
;
979 plane_state
= drm_atomic_get_plane_state(state
, plane
);
980 ret
= PTR_ERR_OR_ZERO(plane_state
);
982 to_intel_plane_state(plane_state
)->ckey
= *set
;
983 ret
= drm_atomic_commit(state
);
989 drm_atomic_state_clear(state
);
990 drm_modeset_backoff(&ctx
);
994 drm_atomic_state_free(state
);
997 drm_modeset_drop_locks(&ctx
);
998 drm_modeset_acquire_fini(&ctx
);
1002 static const uint32_t ilk_plane_formats
[] = {
1003 DRM_FORMAT_XRGB8888
,
1010 static const uint32_t snb_plane_formats
[] = {
1011 DRM_FORMAT_XBGR8888
,
1012 DRM_FORMAT_XRGB8888
,
1019 static const uint32_t vlv_plane_formats
[] = {
1021 DRM_FORMAT_ABGR8888
,
1022 DRM_FORMAT_ARGB8888
,
1023 DRM_FORMAT_XBGR8888
,
1024 DRM_FORMAT_XRGB8888
,
1025 DRM_FORMAT_XBGR2101010
,
1026 DRM_FORMAT_ABGR2101010
,
1033 static uint32_t skl_plane_formats
[] = {
1035 DRM_FORMAT_ABGR8888
,
1036 DRM_FORMAT_ARGB8888
,
1037 DRM_FORMAT_XBGR8888
,
1038 DRM_FORMAT_XRGB8888
,
1046 intel_plane_init(struct drm_device
*dev
, enum pipe pipe
, int plane
)
1048 struct intel_plane
*intel_plane
;
1049 struct intel_plane_state
*state
;
1050 unsigned long possible_crtcs
;
1051 const uint32_t *plane_formats
;
1052 int num_plane_formats
;
1055 if (INTEL_INFO(dev
)->gen
< 5)
1058 intel_plane
= kzalloc(sizeof(*intel_plane
), GFP_KERNEL
);
1062 state
= intel_create_plane_state(&intel_plane
->base
);
1067 intel_plane
->base
.state
= &state
->base
;
1069 switch (INTEL_INFO(dev
)->gen
) {
1072 intel_plane
->can_scale
= true;
1073 intel_plane
->max_downscale
= 16;
1074 intel_plane
->update_plane
= ilk_update_plane
;
1075 intel_plane
->disable_plane
= ilk_disable_plane
;
1078 plane_formats
= snb_plane_formats
;
1079 num_plane_formats
= ARRAY_SIZE(snb_plane_formats
);
1081 plane_formats
= ilk_plane_formats
;
1082 num_plane_formats
= ARRAY_SIZE(ilk_plane_formats
);
1088 if (IS_IVYBRIDGE(dev
)) {
1089 intel_plane
->can_scale
= true;
1090 intel_plane
->max_downscale
= 2;
1092 intel_plane
->can_scale
= false;
1093 intel_plane
->max_downscale
= 1;
1096 if (IS_VALLEYVIEW(dev
)) {
1097 intel_plane
->update_plane
= vlv_update_plane
;
1098 intel_plane
->disable_plane
= vlv_disable_plane
;
1100 plane_formats
= vlv_plane_formats
;
1101 num_plane_formats
= ARRAY_SIZE(vlv_plane_formats
);
1103 intel_plane
->update_plane
= ivb_update_plane
;
1104 intel_plane
->disable_plane
= ivb_disable_plane
;
1106 plane_formats
= snb_plane_formats
;
1107 num_plane_formats
= ARRAY_SIZE(snb_plane_formats
);
1111 intel_plane
->can_scale
= true;
1112 intel_plane
->update_plane
= skl_update_plane
;
1113 intel_plane
->disable_plane
= skl_disable_plane
;
1114 state
->scaler_id
= -1;
1116 plane_formats
= skl_plane_formats
;
1117 num_plane_formats
= ARRAY_SIZE(skl_plane_formats
);
1124 intel_plane
->pipe
= pipe
;
1125 intel_plane
->plane
= plane
;
1126 intel_plane
->frontbuffer_bit
= INTEL_FRONTBUFFER_SPRITE(pipe
, plane
);
1127 intel_plane
->check_plane
= intel_check_sprite_plane
;
1128 intel_plane
->commit_plane
= intel_commit_sprite_plane
;
1129 possible_crtcs
= (1 << pipe
);
1130 ret
= drm_universal_plane_init(dev
, &intel_plane
->base
, possible_crtcs
,
1132 plane_formats
, num_plane_formats
,
1133 DRM_PLANE_TYPE_OVERLAY
);
1139 intel_create_rotation_property(dev
, intel_plane
);
1141 drm_plane_helper_add(&intel_plane
->base
, &intel_plane_helper_funcs
);