1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /**************************************************************************
4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "vmwgfx_kms.h"
29 #include <drm/drm_plane_helper.h>
30 #include <drm/drm_atomic.h>
31 #include <drm/drm_atomic_helper.h>
32 #include <drm/drm_rect.h>
34 /* Might need a hrtimer here? */
35 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
37 void vmw_du_cleanup(struct vmw_display_unit
*du
)
39 drm_plane_cleanup(&du
->primary
);
40 drm_plane_cleanup(&du
->cursor
);
42 drm_connector_unregister(&du
->connector
);
43 drm_crtc_cleanup(&du
->crtc
);
44 drm_encoder_cleanup(&du
->encoder
);
45 drm_connector_cleanup(&du
->connector
);
49 * Display Unit Cursor functions
52 static int vmw_cursor_update_image(struct vmw_private
*dev_priv
,
53 u32
*image
, u32 width
, u32 height
,
54 u32 hotspotX
, u32 hotspotY
)
58 SVGAFifoCmdDefineAlphaCursor cursor
;
60 u32 image_size
= width
* height
* 4;
61 u32 cmd_size
= sizeof(*cmd
) + image_size
;
66 cmd
= vmw_fifo_reserve(dev_priv
, cmd_size
);
67 if (unlikely(cmd
== NULL
)) {
68 DRM_ERROR("Fifo reserve failed.\n");
72 memset(cmd
, 0, sizeof(*cmd
));
74 memcpy(&cmd
[1], image
, image_size
);
76 cmd
->cmd
= SVGA_CMD_DEFINE_ALPHA_CURSOR
;
78 cmd
->cursor
.width
= width
;
79 cmd
->cursor
.height
= height
;
80 cmd
->cursor
.hotspotX
= hotspotX
;
81 cmd
->cursor
.hotspotY
= hotspotY
;
83 vmw_fifo_commit_flush(dev_priv
, cmd_size
);
88 static int vmw_cursor_update_bo(struct vmw_private
*dev_priv
,
89 struct vmw_buffer_object
*bo
,
90 u32 width
, u32 height
,
91 u32 hotspotX
, u32 hotspotY
)
93 struct ttm_bo_kmap_obj map
;
94 unsigned long kmap_offset
;
95 unsigned long kmap_num
;
101 kmap_num
= (width
*height
*4 + PAGE_SIZE
- 1) >> PAGE_SHIFT
;
103 ret
= ttm_bo_reserve(&bo
->base
, true, false, NULL
);
104 if (unlikely(ret
!= 0)) {
105 DRM_ERROR("reserve failed\n");
109 ret
= ttm_bo_kmap(&bo
->base
, kmap_offset
, kmap_num
, &map
);
110 if (unlikely(ret
!= 0))
113 virtual = ttm_kmap_obj_virtual(&map
, &dummy
);
114 ret
= vmw_cursor_update_image(dev_priv
, virtual, width
, height
,
119 ttm_bo_unreserve(&bo
->base
);
125 static void vmw_cursor_update_position(struct vmw_private
*dev_priv
,
126 bool show
, int x
, int y
)
128 u32
*fifo_mem
= dev_priv
->mmio_virt
;
131 spin_lock(&dev_priv
->cursor_lock
);
132 vmw_mmio_write(show
? 1 : 0, fifo_mem
+ SVGA_FIFO_CURSOR_ON
);
133 vmw_mmio_write(x
, fifo_mem
+ SVGA_FIFO_CURSOR_X
);
134 vmw_mmio_write(y
, fifo_mem
+ SVGA_FIFO_CURSOR_Y
);
135 count
= vmw_mmio_read(fifo_mem
+ SVGA_FIFO_CURSOR_COUNT
);
136 vmw_mmio_write(++count
, fifo_mem
+ SVGA_FIFO_CURSOR_COUNT
);
137 spin_unlock(&dev_priv
->cursor_lock
);
141 void vmw_kms_cursor_snoop(struct vmw_surface
*srf
,
142 struct ttm_object_file
*tfile
,
143 struct ttm_buffer_object
*bo
,
144 SVGA3dCmdHeader
*header
)
146 struct ttm_bo_kmap_obj map
;
147 unsigned long kmap_offset
;
148 unsigned long kmap_num
;
154 SVGA3dCmdHeader header
;
155 SVGA3dCmdSurfaceDMA dma
;
159 cmd
= container_of(header
, struct vmw_dma_cmd
, header
);
161 /* No snooper installed */
162 if (!srf
->snooper
.image
)
165 if (cmd
->dma
.host
.face
!= 0 || cmd
->dma
.host
.mipmap
!= 0) {
166 DRM_ERROR("face and mipmap for cursors should never != 0\n");
170 if (cmd
->header
.size
< 64) {
171 DRM_ERROR("at least one full copy box must be given\n");
175 box
= (SVGA3dCopyBox
*)&cmd
[1];
176 box_count
= (cmd
->header
.size
- sizeof(SVGA3dCmdSurfaceDMA
)) /
177 sizeof(SVGA3dCopyBox
);
179 if (cmd
->dma
.guest
.ptr
.offset
% PAGE_SIZE
||
180 box
->x
!= 0 || box
->y
!= 0 || box
->z
!= 0 ||
181 box
->srcx
!= 0 || box
->srcy
!= 0 || box
->srcz
!= 0 ||
182 box
->d
!= 1 || box_count
!= 1) {
183 /* TODO handle none page aligned offsets */
184 /* TODO handle more dst & src != 0 */
185 /* TODO handle more then one copy */
186 DRM_ERROR("Cant snoop dma request for cursor!\n");
187 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
188 box
->srcx
, box
->srcy
, box
->srcz
,
189 box
->x
, box
->y
, box
->z
,
190 box
->w
, box
->h
, box
->d
, box_count
,
191 cmd
->dma
.guest
.ptr
.offset
);
195 kmap_offset
= cmd
->dma
.guest
.ptr
.offset
>> PAGE_SHIFT
;
196 kmap_num
= (64*64*4) >> PAGE_SHIFT
;
198 ret
= ttm_bo_reserve(bo
, true, false, NULL
);
199 if (unlikely(ret
!= 0)) {
200 DRM_ERROR("reserve failed\n");
204 ret
= ttm_bo_kmap(bo
, kmap_offset
, kmap_num
, &map
);
205 if (unlikely(ret
!= 0))
208 virtual = ttm_kmap_obj_virtual(&map
, &dummy
);
210 if (box
->w
== 64 && cmd
->dma
.guest
.pitch
== 64*4) {
211 memcpy(srf
->snooper
.image
, virtual, 64*64*4);
213 /* Image is unsigned pointer. */
214 for (i
= 0; i
< box
->h
; i
++)
215 memcpy(srf
->snooper
.image
+ i
* 64,
216 virtual + i
* cmd
->dma
.guest
.pitch
,
224 ttm_bo_unreserve(bo
);
228 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
230 * @dev_priv: Pointer to the device private struct.
232 * Clears all legacy hotspots.
234 void vmw_kms_legacy_hotspot_clear(struct vmw_private
*dev_priv
)
236 struct drm_device
*dev
= dev_priv
->dev
;
237 struct vmw_display_unit
*du
;
238 struct drm_crtc
*crtc
;
240 drm_modeset_lock_all(dev
);
241 drm_for_each_crtc(crtc
, dev
) {
242 du
= vmw_crtc_to_du(crtc
);
247 drm_modeset_unlock_all(dev
);
250 void vmw_kms_cursor_post_execbuf(struct vmw_private
*dev_priv
)
252 struct drm_device
*dev
= dev_priv
->dev
;
253 struct vmw_display_unit
*du
;
254 struct drm_crtc
*crtc
;
256 mutex_lock(&dev
->mode_config
.mutex
);
258 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
259 du
= vmw_crtc_to_du(crtc
);
260 if (!du
->cursor_surface
||
261 du
->cursor_age
== du
->cursor_surface
->snooper
.age
)
264 du
->cursor_age
= du
->cursor_surface
->snooper
.age
;
265 vmw_cursor_update_image(dev_priv
,
266 du
->cursor_surface
->snooper
.image
,
268 du
->hotspot_x
+ du
->core_hotspot_x
,
269 du
->hotspot_y
+ du
->core_hotspot_y
);
272 mutex_unlock(&dev
->mode_config
.mutex
);
276 void vmw_du_cursor_plane_destroy(struct drm_plane
*plane
)
278 vmw_cursor_update_position(plane
->dev
->dev_private
, false, 0, 0);
280 drm_plane_cleanup(plane
);
284 void vmw_du_primary_plane_destroy(struct drm_plane
*plane
)
286 drm_plane_cleanup(plane
);
288 /* Planes are static in our case so we don't free it */
293 * vmw_du_vps_unpin_surf - unpins resource associated with a framebuffer surface
295 * @vps: plane state associated with the display surface
296 * @unreference: true if we also want to unreference the display.
298 void vmw_du_plane_unpin_surf(struct vmw_plane_state
*vps
,
303 vmw_resource_unpin(&vps
->surf
->res
);
309 DRM_ERROR("Surface still pinned\n");
310 vmw_surface_unreference(&vps
->surf
);
317 * vmw_du_plane_cleanup_fb - Unpins the cursor
319 * @plane: display plane
320 * @old_state: Contains the FB to clean up
322 * Unpins the framebuffer surface
324 * Returns 0 on success
327 vmw_du_plane_cleanup_fb(struct drm_plane
*plane
,
328 struct drm_plane_state
*old_state
)
330 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(old_state
);
332 vmw_du_plane_unpin_surf(vps
, false);
337 * vmw_du_cursor_plane_prepare_fb - Readies the cursor by referencing it
339 * @plane: display plane
340 * @new_state: info on the new plane state, including the FB
342 * Returns 0 on success
345 vmw_du_cursor_plane_prepare_fb(struct drm_plane
*plane
,
346 struct drm_plane_state
*new_state
)
348 struct drm_framebuffer
*fb
= new_state
->fb
;
349 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(new_state
);
353 vmw_surface_unreference(&vps
->surf
);
356 vmw_bo_unreference(&vps
->bo
);
359 if (vmw_framebuffer_to_vfb(fb
)->bo
) {
360 vps
->bo
= vmw_framebuffer_to_vfbd(fb
)->buffer
;
361 vmw_bo_reference(vps
->bo
);
363 vps
->surf
= vmw_framebuffer_to_vfbs(fb
)->surface
;
364 vmw_surface_reference(vps
->surf
);
373 vmw_du_cursor_plane_atomic_update(struct drm_plane
*plane
,
374 struct drm_plane_state
*old_state
)
376 struct drm_crtc
*crtc
= plane
->state
->crtc
?: old_state
->crtc
;
377 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
378 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
379 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(plane
->state
);
380 s32 hotspot_x
, hotspot_y
;
384 hotspot_x
= du
->hotspot_x
;
385 hotspot_y
= du
->hotspot_y
;
387 if (plane
->state
->fb
) {
388 hotspot_x
+= plane
->state
->fb
->hot_x
;
389 hotspot_y
+= plane
->state
->fb
->hot_y
;
392 du
->cursor_surface
= vps
->surf
;
393 du
->cursor_bo
= vps
->bo
;
396 du
->cursor_age
= du
->cursor_surface
->snooper
.age
;
398 ret
= vmw_cursor_update_image(dev_priv
,
399 vps
->surf
->snooper
.image
,
402 } else if (vps
->bo
) {
403 ret
= vmw_cursor_update_bo(dev_priv
, vps
->bo
,
404 plane
->state
->crtc_w
,
405 plane
->state
->crtc_h
,
406 hotspot_x
, hotspot_y
);
408 vmw_cursor_update_position(dev_priv
, false, 0, 0);
413 du
->cursor_x
= plane
->state
->crtc_x
+ du
->set_gui_x
;
414 du
->cursor_y
= plane
->state
->crtc_y
+ du
->set_gui_y
;
416 vmw_cursor_update_position(dev_priv
, true,
417 du
->cursor_x
+ hotspot_x
,
418 du
->cursor_y
+ hotspot_y
);
420 du
->core_hotspot_x
= hotspot_x
- du
->hotspot_x
;
421 du
->core_hotspot_y
= hotspot_y
- du
->hotspot_y
;
423 DRM_ERROR("Failed to update cursor image\n");
429 * vmw_du_primary_plane_atomic_check - check if the new state is okay
431 * @plane: display plane
432 * @state: info on the new plane state, including the FB
434 * Check if the new state is settable given the current state. Other
435 * than what the atomic helper checks, we care about crtc fitting
436 * the FB and maintaining one active framebuffer.
438 * Returns 0 on success
440 int vmw_du_primary_plane_atomic_check(struct drm_plane
*plane
,
441 struct drm_plane_state
*state
)
443 struct drm_crtc_state
*crtc_state
= NULL
;
444 struct drm_framebuffer
*new_fb
= state
->fb
;
448 crtc_state
= drm_atomic_get_new_crtc_state(state
->state
, state
->crtc
);
450 ret
= drm_atomic_helper_check_plane_state(state
, crtc_state
,
451 DRM_PLANE_HELPER_NO_SCALING
,
452 DRM_PLANE_HELPER_NO_SCALING
,
455 if (!ret
&& new_fb
) {
456 struct drm_crtc
*crtc
= state
->crtc
;
457 struct vmw_connector_state
*vcs
;
458 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
459 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
460 struct vmw_framebuffer
*vfb
= vmw_framebuffer_to_vfb(new_fb
);
462 vcs
= vmw_connector_state_to_vcs(du
->connector
.state
);
464 /* Only one active implicit framebuffer at a time. */
465 mutex_lock(&dev_priv
->global_kms_state_mutex
);
466 if (vcs
->is_implicit
&& dev_priv
->implicit_fb
&&
467 !(dev_priv
->num_implicit
== 1 && du
->active_implicit
)
468 && dev_priv
->implicit_fb
!= vfb
) {
469 DRM_ERROR("Multiple implicit framebuffers "
473 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
482 * vmw_du_cursor_plane_atomic_check - check if the new state is okay
484 * @plane: cursor plane
485 * @state: info on the new plane state
487 * This is a chance to fail if the new cursor state does not fit
490 * Returns 0 on success
492 int vmw_du_cursor_plane_atomic_check(struct drm_plane
*plane
,
493 struct drm_plane_state
*new_state
)
496 struct vmw_surface
*surface
= NULL
;
497 struct drm_framebuffer
*fb
= new_state
->fb
;
499 struct drm_rect src
= drm_plane_state_src(new_state
);
500 struct drm_rect dest
= drm_plane_state_dest(new_state
);
506 ret
= drm_plane_helper_check_update(plane
, new_state
->crtc
, fb
,
509 DRM_PLANE_HELPER_NO_SCALING
,
510 DRM_PLANE_HELPER_NO_SCALING
,
511 true, true, &new_state
->visible
);
515 /* A lot of the code assumes this */
516 if (new_state
->crtc_w
!= 64 || new_state
->crtc_h
!= 64) {
517 DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
518 new_state
->crtc_w
, new_state
->crtc_h
);
522 if (!vmw_framebuffer_to_vfb(fb
)->bo
)
523 surface
= vmw_framebuffer_to_vfbs(fb
)->surface
;
525 if (surface
&& !surface
->snooper
.image
) {
526 DRM_ERROR("surface not suitable for cursor\n");
534 int vmw_du_crtc_atomic_check(struct drm_crtc
*crtc
,
535 struct drm_crtc_state
*new_state
)
537 struct vmw_display_unit
*du
= vmw_crtc_to_du(new_state
->crtc
);
538 int connector_mask
= drm_connector_mask(&du
->connector
);
539 bool has_primary
= new_state
->plane_mask
&
540 drm_plane_mask(crtc
->primary
);
542 /* We always want to have an active plane with an active CRTC */
543 if (has_primary
!= new_state
->enable
)
547 if (new_state
->connector_mask
!= connector_mask
&&
548 new_state
->connector_mask
!= 0) {
549 DRM_ERROR("Invalid connectors configuration\n");
554 * Our virtual device does not have a dot clock, so use the logical
555 * clock value as the dot clock.
557 if (new_state
->mode
.crtc_clock
== 0)
558 new_state
->adjusted_mode
.crtc_clock
= new_state
->mode
.clock
;
564 void vmw_du_crtc_atomic_begin(struct drm_crtc
*crtc
,
565 struct drm_crtc_state
*old_crtc_state
)
570 void vmw_du_crtc_atomic_flush(struct drm_crtc
*crtc
,
571 struct drm_crtc_state
*old_crtc_state
)
573 struct drm_pending_vblank_event
*event
= crtc
->state
->event
;
576 crtc
->state
->event
= NULL
;
578 spin_lock_irq(&crtc
->dev
->event_lock
);
579 drm_crtc_send_vblank_event(crtc
, event
);
580 spin_unlock_irq(&crtc
->dev
->event_lock
);
586 * vmw_du_crtc_duplicate_state - duplicate crtc state
589 * Allocates and returns a copy of the crtc state (both common and
590 * vmw-specific) for the specified crtc.
592 * Returns: The newly allocated crtc state, or NULL on failure.
594 struct drm_crtc_state
*
595 vmw_du_crtc_duplicate_state(struct drm_crtc
*crtc
)
597 struct drm_crtc_state
*state
;
598 struct vmw_crtc_state
*vcs
;
600 if (WARN_ON(!crtc
->state
))
603 vcs
= kmemdup(crtc
->state
, sizeof(*vcs
), GFP_KERNEL
);
610 __drm_atomic_helper_crtc_duplicate_state(crtc
, state
);
617 * vmw_du_crtc_reset - creates a blank vmw crtc state
620 * Resets the atomic state for @crtc by freeing the state pointer (which
621 * might be NULL, e.g. at driver load time) and allocating a new empty state
624 void vmw_du_crtc_reset(struct drm_crtc
*crtc
)
626 struct vmw_crtc_state
*vcs
;
630 __drm_atomic_helper_crtc_destroy_state(crtc
->state
);
632 kfree(vmw_crtc_state_to_vcs(crtc
->state
));
635 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
638 DRM_ERROR("Cannot allocate vmw_crtc_state\n");
642 crtc
->state
= &vcs
->base
;
643 crtc
->state
->crtc
= crtc
;
648 * vmw_du_crtc_destroy_state - destroy crtc state
650 * @state: state object to destroy
652 * Destroys the crtc state (both common and vmw-specific) for the
656 vmw_du_crtc_destroy_state(struct drm_crtc
*crtc
,
657 struct drm_crtc_state
*state
)
659 drm_atomic_helper_crtc_destroy_state(crtc
, state
);
664 * vmw_du_plane_duplicate_state - duplicate plane state
667 * Allocates and returns a copy of the plane state (both common and
668 * vmw-specific) for the specified plane.
670 * Returns: The newly allocated plane state, or NULL on failure.
672 struct drm_plane_state
*
673 vmw_du_plane_duplicate_state(struct drm_plane
*plane
)
675 struct drm_plane_state
*state
;
676 struct vmw_plane_state
*vps
;
678 vps
= kmemdup(plane
->state
, sizeof(*vps
), GFP_KERNEL
);
686 /* Each ref counted resource needs to be acquired again */
688 (void) vmw_surface_reference(vps
->surf
);
691 (void) vmw_bo_reference(vps
->bo
);
695 __drm_atomic_helper_plane_duplicate_state(plane
, state
);
702 * vmw_du_plane_reset - creates a blank vmw plane state
705 * Resets the atomic state for @plane by freeing the state pointer (which might
706 * be NULL, e.g. at driver load time) and allocating a new empty state object.
708 void vmw_du_plane_reset(struct drm_plane
*plane
)
710 struct vmw_plane_state
*vps
;
714 vmw_du_plane_destroy_state(plane
, plane
->state
);
716 vps
= kzalloc(sizeof(*vps
), GFP_KERNEL
);
719 DRM_ERROR("Cannot allocate vmw_plane_state\n");
723 plane
->state
= &vps
->base
;
724 plane
->state
->plane
= plane
;
725 plane
->state
->rotation
= DRM_MODE_ROTATE_0
;
730 * vmw_du_plane_destroy_state - destroy plane state
732 * @state: state object to destroy
734 * Destroys the plane state (both common and vmw-specific) for the
738 vmw_du_plane_destroy_state(struct drm_plane
*plane
,
739 struct drm_plane_state
*state
)
741 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(state
);
744 /* Should have been freed by cleanup_fb */
746 vmw_surface_unreference(&vps
->surf
);
749 vmw_bo_unreference(&vps
->bo
);
751 drm_atomic_helper_plane_destroy_state(plane
, state
);
756 * vmw_du_connector_duplicate_state - duplicate connector state
757 * @connector: DRM connector
759 * Allocates and returns a copy of the connector state (both common and
760 * vmw-specific) for the specified connector.
762 * Returns: The newly allocated connector state, or NULL on failure.
764 struct drm_connector_state
*
765 vmw_du_connector_duplicate_state(struct drm_connector
*connector
)
767 struct drm_connector_state
*state
;
768 struct vmw_connector_state
*vcs
;
770 if (WARN_ON(!connector
->state
))
773 vcs
= kmemdup(connector
->state
, sizeof(*vcs
), GFP_KERNEL
);
780 __drm_atomic_helper_connector_duplicate_state(connector
, state
);
787 * vmw_du_connector_reset - creates a blank vmw connector state
788 * @connector: DRM connector
790 * Resets the atomic state for @connector by freeing the state pointer (which
791 * might be NULL, e.g. at driver load time) and allocating a new empty state
794 void vmw_du_connector_reset(struct drm_connector
*connector
)
796 struct vmw_connector_state
*vcs
;
799 if (connector
->state
) {
800 __drm_atomic_helper_connector_destroy_state(connector
->state
);
802 kfree(vmw_connector_state_to_vcs(connector
->state
));
805 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
808 DRM_ERROR("Cannot allocate vmw_connector_state\n");
812 __drm_atomic_helper_connector_reset(connector
, &vcs
->base
);
817 * vmw_du_connector_destroy_state - destroy connector state
818 * @connector: DRM connector
819 * @state: state object to destroy
821 * Destroys the connector state (both common and vmw-specific) for the
825 vmw_du_connector_destroy_state(struct drm_connector
*connector
,
826 struct drm_connector_state
*state
)
828 drm_atomic_helper_connector_destroy_state(connector
, state
);
831 * Generic framebuffer code
835 * Surface framebuffer code
838 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer
*framebuffer
)
840 struct vmw_framebuffer_surface
*vfbs
=
841 vmw_framebuffer_to_vfbs(framebuffer
);
843 drm_framebuffer_cleanup(framebuffer
);
844 vmw_surface_unreference(&vfbs
->surface
);
845 if (vfbs
->base
.user_obj
)
846 ttm_base_object_unref(&vfbs
->base
.user_obj
);
851 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer
*framebuffer
,
852 struct drm_file
*file_priv
,
853 unsigned flags
, unsigned color
,
854 struct drm_clip_rect
*clips
,
857 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
858 struct vmw_framebuffer_surface
*vfbs
=
859 vmw_framebuffer_to_vfbs(framebuffer
);
860 struct drm_clip_rect norect
;
863 /* Legacy Display Unit does not support 3D */
864 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
867 drm_modeset_lock_all(dev_priv
->dev
);
869 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
870 if (unlikely(ret
!= 0)) {
871 drm_modeset_unlock_all(dev_priv
->dev
);
878 norect
.x1
= norect
.y1
= 0;
879 norect
.x2
= framebuffer
->width
;
880 norect
.y2
= framebuffer
->height
;
881 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
883 inc
= 2; /* skip source rects */
886 if (dev_priv
->active_display_unit
== vmw_du_screen_object
)
887 ret
= vmw_kms_sou_do_surface_dirty(dev_priv
, &vfbs
->base
,
888 clips
, NULL
, NULL
, 0, 0,
889 num_clips
, inc
, NULL
, NULL
);
891 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, &vfbs
->base
,
892 clips
, NULL
, NULL
, 0, 0,
893 num_clips
, inc
, NULL
, NULL
);
895 vmw_fifo_flush(dev_priv
, false);
896 ttm_read_unlock(&dev_priv
->reservation_sem
);
898 drm_modeset_unlock_all(dev_priv
->dev
);
904 * vmw_kms_readback - Perform a readback from the screen system to
905 * a buffer-object backed framebuffer.
907 * @dev_priv: Pointer to the device private structure.
908 * @file_priv: Pointer to a struct drm_file identifying the caller.
909 * Must be set to NULL if @user_fence_rep is NULL.
910 * @vfb: Pointer to the buffer-object backed framebuffer.
911 * @user_fence_rep: User-space provided structure for fence information.
912 * Must be set to non-NULL if @file_priv is non-NULL.
913 * @vclips: Array of clip rects.
914 * @num_clips: Number of clip rects in @vclips.
916 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
919 int vmw_kms_readback(struct vmw_private
*dev_priv
,
920 struct drm_file
*file_priv
,
921 struct vmw_framebuffer
*vfb
,
922 struct drm_vmw_fence_rep __user
*user_fence_rep
,
923 struct drm_vmw_rect
*vclips
,
926 switch (dev_priv
->active_display_unit
) {
927 case vmw_du_screen_object
:
928 return vmw_kms_sou_readback(dev_priv
, file_priv
, vfb
,
929 user_fence_rep
, vclips
, num_clips
,
931 case vmw_du_screen_target
:
932 return vmw_kms_stdu_dma(dev_priv
, file_priv
, vfb
,
933 user_fence_rep
, NULL
, vclips
, num_clips
,
934 1, false, true, NULL
);
937 "Readback called with invalid display system.\n");
944 static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs
= {
945 .destroy
= vmw_framebuffer_surface_destroy
,
946 .dirty
= vmw_framebuffer_surface_dirty
,
949 static int vmw_kms_new_framebuffer_surface(struct vmw_private
*dev_priv
,
950 struct vmw_surface
*surface
,
951 struct vmw_framebuffer
**out
,
952 const struct drm_mode_fb_cmd2
957 struct drm_device
*dev
= dev_priv
->dev
;
958 struct vmw_framebuffer_surface
*vfbs
;
959 enum SVGA3dSurfaceFormat format
;
961 struct drm_format_name_buf format_name
;
963 /* 3D is only supported on HWv8 and newer hosts */
964 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
971 /* Surface must be marked as a scanout. */
972 if (unlikely(!surface
->scanout
))
975 if (unlikely(surface
->mip_levels
[0] != 1 ||
976 surface
->num_sizes
!= 1 ||
977 surface
->base_size
.width
< mode_cmd
->width
||
978 surface
->base_size
.height
< mode_cmd
->height
||
979 surface
->base_size
.depth
!= 1)) {
980 DRM_ERROR("Incompatible surface dimensions "
981 "for requested mode.\n");
985 switch (mode_cmd
->pixel_format
) {
986 case DRM_FORMAT_ARGB8888
:
987 format
= SVGA3D_A8R8G8B8
;
989 case DRM_FORMAT_XRGB8888
:
990 format
= SVGA3D_X8R8G8B8
;
992 case DRM_FORMAT_RGB565
:
993 format
= SVGA3D_R5G6B5
;
995 case DRM_FORMAT_XRGB1555
:
996 format
= SVGA3D_A1R5G5B5
;
999 DRM_ERROR("Invalid pixel format: %s\n",
1000 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1005 * For DX, surface format validation is done when surface->scanout
1008 if (!dev_priv
->has_dx
&& format
!= surface
->format
) {
1009 DRM_ERROR("Invalid surface format for requested mode.\n");
1013 vfbs
= kzalloc(sizeof(*vfbs
), GFP_KERNEL
);
1019 drm_helper_mode_fill_fb_struct(dev
, &vfbs
->base
.base
, mode_cmd
);
1020 vfbs
->surface
= vmw_surface_reference(surface
);
1021 vfbs
->base
.user_handle
= mode_cmd
->handles
[0];
1022 vfbs
->is_bo_proxy
= is_bo_proxy
;
1026 ret
= drm_framebuffer_init(dev
, &vfbs
->base
.base
,
1027 &vmw_framebuffer_surface_funcs
);
1034 vmw_surface_unreference(&surface
);
1041 * Buffer-object framebuffer code
1044 static void vmw_framebuffer_bo_destroy(struct drm_framebuffer
*framebuffer
)
1046 struct vmw_framebuffer_bo
*vfbd
=
1047 vmw_framebuffer_to_vfbd(framebuffer
);
1049 drm_framebuffer_cleanup(framebuffer
);
1050 vmw_bo_unreference(&vfbd
->buffer
);
1051 if (vfbd
->base
.user_obj
)
1052 ttm_base_object_unref(&vfbd
->base
.user_obj
);
1057 static int vmw_framebuffer_bo_dirty(struct drm_framebuffer
*framebuffer
,
1058 struct drm_file
*file_priv
,
1059 unsigned int flags
, unsigned int color
,
1060 struct drm_clip_rect
*clips
,
1061 unsigned int num_clips
)
1063 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
1064 struct vmw_framebuffer_bo
*vfbd
=
1065 vmw_framebuffer_to_vfbd(framebuffer
);
1066 struct drm_clip_rect norect
;
1067 int ret
, increment
= 1;
1069 drm_modeset_lock_all(dev_priv
->dev
);
1071 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
1072 if (unlikely(ret
!= 0)) {
1073 drm_modeset_unlock_all(dev_priv
->dev
);
1080 norect
.x1
= norect
.y1
= 0;
1081 norect
.x2
= framebuffer
->width
;
1082 norect
.y2
= framebuffer
->height
;
1083 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
1088 switch (dev_priv
->active_display_unit
) {
1089 case vmw_du_screen_target
:
1090 ret
= vmw_kms_stdu_dma(dev_priv
, NULL
, &vfbd
->base
, NULL
,
1091 clips
, NULL
, num_clips
, increment
,
1094 case vmw_du_screen_object
:
1095 ret
= vmw_kms_sou_do_bo_dirty(dev_priv
, &vfbd
->base
,
1096 clips
, NULL
, num_clips
,
1097 increment
, true, NULL
, NULL
);
1100 ret
= vmw_kms_ldu_do_bo_dirty(dev_priv
, &vfbd
->base
, 0, 0,
1101 clips
, num_clips
, increment
);
1105 WARN_ONCE(true, "Dirty called with invalid display system.\n");
1109 vmw_fifo_flush(dev_priv
, false);
1110 ttm_read_unlock(&dev_priv
->reservation_sem
);
1112 drm_modeset_unlock_all(dev_priv
->dev
);
1117 static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs
= {
1118 .destroy
= vmw_framebuffer_bo_destroy
,
1119 .dirty
= vmw_framebuffer_bo_dirty
,
1123 * Pin the bofer in a location suitable for access by the
1126 static int vmw_framebuffer_pin(struct vmw_framebuffer
*vfb
)
1128 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1129 struct vmw_buffer_object
*buf
;
1130 struct ttm_placement
*placement
;
1133 buf
= vfb
->bo
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1134 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1139 switch (dev_priv
->active_display_unit
) {
1141 vmw_overlay_pause_all(dev_priv
);
1142 ret
= vmw_bo_pin_in_start_of_vram(dev_priv
, buf
, false);
1143 vmw_overlay_resume_all(dev_priv
);
1145 case vmw_du_screen_object
:
1146 case vmw_du_screen_target
:
1148 if (dev_priv
->capabilities
& SVGA_CAP_3D
) {
1150 * Use surface DMA to get content to
1151 * sreen target surface.
1153 placement
= &vmw_vram_gmr_placement
;
1156 placement
= &vmw_sys_placement
;
1159 /* Use surface / image update */
1160 placement
= &vmw_mob_placement
;
1163 return vmw_bo_pin_in_placement(dev_priv
, buf
, placement
, false);
1171 static int vmw_framebuffer_unpin(struct vmw_framebuffer
*vfb
)
1173 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1174 struct vmw_buffer_object
*buf
;
1176 buf
= vfb
->bo
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1177 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1182 return vmw_bo_unpin(dev_priv
, buf
, false);
1186 * vmw_create_bo_proxy - create a proxy surface for the buffer object
1189 * @mode_cmd: parameters for the new surface
1190 * @bo_mob: MOB backing the buffer object
1191 * @srf_out: newly created surface
1193 * When the content FB is a buffer object, we create a surface as a proxy to the
1194 * same buffer. This way we can do a surface copy rather than a surface DMA.
1195 * This is a more efficient approach
1198 * 0 on success, error code otherwise
1200 static int vmw_create_bo_proxy(struct drm_device
*dev
,
1201 const struct drm_mode_fb_cmd2
*mode_cmd
,
1202 struct vmw_buffer_object
*bo_mob
,
1203 struct vmw_surface
**srf_out
)
1206 struct drm_vmw_size content_base_size
= {0};
1207 struct vmw_resource
*res
;
1208 unsigned int bytes_pp
;
1209 struct drm_format_name_buf format_name
;
1212 switch (mode_cmd
->pixel_format
) {
1213 case DRM_FORMAT_ARGB8888
:
1214 case DRM_FORMAT_XRGB8888
:
1215 format
= SVGA3D_X8R8G8B8
;
1219 case DRM_FORMAT_RGB565
:
1220 case DRM_FORMAT_XRGB1555
:
1221 format
= SVGA3D_R5G6B5
;
1231 DRM_ERROR("Invalid framebuffer format %s\n",
1232 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1236 content_base_size
.width
= mode_cmd
->pitches
[0] / bytes_pp
;
1237 content_base_size
.height
= mode_cmd
->height
;
1238 content_base_size
.depth
= 1;
1240 ret
= vmw_surface_gb_priv_define(dev
,
1241 0, /* kernel visible only */
1244 true, /* can be a scanout buffer */
1245 1, /* num of mip levels */
1249 SVGA3D_MS_PATTERN_NONE
,
1250 SVGA3D_MS_QUALITY_NONE
,
1253 DRM_ERROR("Failed to allocate proxy content buffer\n");
1257 res
= &(*srf_out
)->res
;
1259 /* Reserve and switch the backing mob. */
1260 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
1261 (void) vmw_resource_reserve(res
, false, true);
1262 vmw_bo_unreference(&res
->backup
);
1263 res
->backup
= vmw_bo_reference(bo_mob
);
1264 res
->backup_offset
= 0;
1265 vmw_resource_unreserve(res
, false, NULL
, 0);
1266 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
1273 static int vmw_kms_new_framebuffer_bo(struct vmw_private
*dev_priv
,
1274 struct vmw_buffer_object
*bo
,
1275 struct vmw_framebuffer
**out
,
1276 const struct drm_mode_fb_cmd2
1280 struct drm_device
*dev
= dev_priv
->dev
;
1281 struct vmw_framebuffer_bo
*vfbd
;
1282 unsigned int requested_size
;
1283 struct drm_format_name_buf format_name
;
1286 requested_size
= mode_cmd
->height
* mode_cmd
->pitches
[0];
1287 if (unlikely(requested_size
> bo
->base
.num_pages
* PAGE_SIZE
)) {
1288 DRM_ERROR("Screen buffer object size is too small "
1289 "for requested mode.\n");
1293 /* Limited framebuffer color depth support for screen objects */
1294 if (dev_priv
->active_display_unit
== vmw_du_screen_object
) {
1295 switch (mode_cmd
->pixel_format
) {
1296 case DRM_FORMAT_XRGB8888
:
1297 case DRM_FORMAT_ARGB8888
:
1299 case DRM_FORMAT_XRGB1555
:
1300 case DRM_FORMAT_RGB565
:
1303 DRM_ERROR("Invalid pixel format: %s\n",
1304 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1309 vfbd
= kzalloc(sizeof(*vfbd
), GFP_KERNEL
);
1315 drm_helper_mode_fill_fb_struct(dev
, &vfbd
->base
.base
, mode_cmd
);
1316 vfbd
->base
.bo
= true;
1317 vfbd
->buffer
= vmw_bo_reference(bo
);
1318 vfbd
->base
.user_handle
= mode_cmd
->handles
[0];
1321 ret
= drm_framebuffer_init(dev
, &vfbd
->base
.base
,
1322 &vmw_framebuffer_bo_funcs
);
1329 vmw_bo_unreference(&bo
);
1337 * vmw_kms_srf_ok - check if a surface can be created
1339 * @width: requested width
1340 * @height: requested height
1342 * Surfaces need to be less than texture size
1345 vmw_kms_srf_ok(struct vmw_private
*dev_priv
, uint32_t width
, uint32_t height
)
1347 if (width
> dev_priv
->texture_max_width
||
1348 height
> dev_priv
->texture_max_height
)
1355 * vmw_kms_new_framebuffer - Create a new framebuffer.
1357 * @dev_priv: Pointer to device private struct.
1358 * @bo: Pointer to buffer object to wrap the kms framebuffer around.
1359 * Either @bo or @surface must be NULL.
1360 * @surface: Pointer to a surface to wrap the kms framebuffer around.
1361 * Either @bo or @surface must be NULL.
1362 * @only_2d: No presents will occur to this buffer object based framebuffer.
1363 * This helps the code to do some important optimizations.
1364 * @mode_cmd: Frame-buffer metadata.
1366 struct vmw_framebuffer
*
1367 vmw_kms_new_framebuffer(struct vmw_private
*dev_priv
,
1368 struct vmw_buffer_object
*bo
,
1369 struct vmw_surface
*surface
,
1371 const struct drm_mode_fb_cmd2
*mode_cmd
)
1373 struct vmw_framebuffer
*vfb
= NULL
;
1374 bool is_bo_proxy
= false;
1378 * We cannot use the SurfaceDMA command in an non-accelerated VM,
1379 * therefore, wrap the buffer object in a surface so we can use the
1380 * SurfaceCopy command.
1382 if (vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
) &&
1384 mode_cmd
->width
> 64 && /* Don't create a proxy for cursor */
1385 dev_priv
->active_display_unit
== vmw_du_screen_target
) {
1386 ret
= vmw_create_bo_proxy(dev_priv
->dev
, mode_cmd
,
1389 return ERR_PTR(ret
);
1394 /* Create the new framebuffer depending one what we have */
1396 ret
= vmw_kms_new_framebuffer_surface(dev_priv
, surface
, &vfb
,
1401 * vmw_create_bo_proxy() adds a reference that is no longer
1405 vmw_surface_unreference(&surface
);
1407 ret
= vmw_kms_new_framebuffer_bo(dev_priv
, bo
, &vfb
,
1414 return ERR_PTR(ret
);
1416 vfb
->pin
= vmw_framebuffer_pin
;
1417 vfb
->unpin
= vmw_framebuffer_unpin
;
1423 * Generic Kernel modesetting functions
1426 static struct drm_framebuffer
*vmw_kms_fb_create(struct drm_device
*dev
,
1427 struct drm_file
*file_priv
,
1428 const struct drm_mode_fb_cmd2
*mode_cmd
)
1430 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1431 struct ttm_object_file
*tfile
= vmw_fpriv(file_priv
)->tfile
;
1432 struct vmw_framebuffer
*vfb
= NULL
;
1433 struct vmw_surface
*surface
= NULL
;
1434 struct vmw_buffer_object
*bo
= NULL
;
1435 struct ttm_base_object
*user_obj
;
1439 * Take a reference on the user object of the resource
1440 * backing the kms fb. This ensures that user-space handle
1441 * lookups on that resource will always work as long as
1442 * it's registered with a kms framebuffer. This is important,
1443 * since vmw_execbuf_process identifies resources in the
1444 * command stream using user-space handles.
1447 user_obj
= ttm_base_object_lookup(tfile
, mode_cmd
->handles
[0]);
1448 if (unlikely(user_obj
== NULL
)) {
1449 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1450 return ERR_PTR(-ENOENT
);
1454 * End conditioned code.
1457 /* returns either a bo or surface */
1458 ret
= vmw_user_lookup_handle(dev_priv
, tfile
,
1459 mode_cmd
->handles
[0],
1466 !vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
)) {
1467 DRM_ERROR("Surface size cannot exceed %dx%d",
1468 dev_priv
->texture_max_width
,
1469 dev_priv
->texture_max_height
);
1474 vfb
= vmw_kms_new_framebuffer(dev_priv
, bo
, surface
,
1475 !(dev_priv
->capabilities
& SVGA_CAP_3D
),
1483 /* vmw_user_lookup_handle takes one ref so does new_fb */
1485 vmw_bo_unreference(&bo
);
1487 vmw_surface_unreference(&surface
);
1490 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret
);
1491 ttm_base_object_unref(&user_obj
);
1492 return ERR_PTR(ret
);
1494 vfb
->user_obj
= user_obj
;
1500 * vmw_kms_check_display_memory - Validates display memory required for a
1503 * @num_rects: number of drm_rect in rects
1504 * @rects: array of drm_rect representing the topology to validate indexed by
1508 * 0 on success otherwise negative error code
1510 static int vmw_kms_check_display_memory(struct drm_device
*dev
,
1512 struct drm_rect
*rects
)
1514 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1515 struct drm_mode_config
*mode_config
= &dev
->mode_config
;
1516 struct drm_rect bounding_box
= {0};
1517 u64 total_pixels
= 0, pixel_mem
, bb_mem
;
1520 for (i
= 0; i
< num_rects
; i
++) {
1522 * Currently this check is limiting the topology within max
1523 * texture/screentarget size. This should change in future when
1524 * user-space support multiple fb with topology.
1526 if (rects
[i
].x1
< 0 || rects
[i
].y1
< 0 ||
1527 rects
[i
].x2
> mode_config
->max_width
||
1528 rects
[i
].y2
> mode_config
->max_height
) {
1529 DRM_ERROR("Invalid GUI layout.\n");
1533 /* Bounding box upper left is at (0,0). */
1534 if (rects
[i
].x2
> bounding_box
.x2
)
1535 bounding_box
.x2
= rects
[i
].x2
;
1537 if (rects
[i
].y2
> bounding_box
.y2
)
1538 bounding_box
.y2
= rects
[i
].y2
;
1540 total_pixels
+= (u64
) drm_rect_width(&rects
[i
]) *
1541 (u64
) drm_rect_height(&rects
[i
]);
1544 /* Virtual svga device primary limits are always in 32-bpp. */
1545 pixel_mem
= total_pixels
* 4;
1548 * For HV10 and below prim_bb_mem is vram size. When
1549 * SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM is not present vram size is
1550 * limit on primary bounding box
1552 if (pixel_mem
> dev_priv
->prim_bb_mem
) {
1553 DRM_ERROR("Combined output size too large.\n");
1557 /* SVGA_CAP_NO_BB_RESTRICTION is available for STDU only. */
1558 if (dev_priv
->active_display_unit
!= vmw_du_screen_target
||
1559 !(dev_priv
->capabilities
& SVGA_CAP_NO_BB_RESTRICTION
)) {
1560 bb_mem
= (u64
) bounding_box
.x2
* bounding_box
.y2
* 4;
1562 if (bb_mem
> dev_priv
->prim_bb_mem
) {
1563 DRM_ERROR("Topology is beyond supported limits.\n");
1572 * vmw_kms_check_topology - Validates topology in drm_atomic_state
1574 * @state: the driver state object
1577 * 0 on success otherwise negative error code
1579 static int vmw_kms_check_topology(struct drm_device
*dev
,
1580 struct drm_atomic_state
*state
)
1582 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1583 struct drm_crtc_state
*old_crtc_state
, *new_crtc_state
;
1584 struct drm_rect
*rects
;
1585 struct drm_crtc
*crtc
;
1589 rects
= kcalloc(dev
->mode_config
.num_crtc
, sizeof(struct drm_rect
),
1594 mutex_lock(&dev_priv
->requested_layout_mutex
);
1596 drm_for_each_crtc(crtc
, dev
) {
1597 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
1598 struct drm_crtc_state
*crtc_state
= crtc
->state
;
1600 i
= drm_crtc_index(crtc
);
1602 if (crtc_state
&& crtc_state
->enable
) {
1603 rects
[i
].x1
= du
->gui_x
;
1604 rects
[i
].y1
= du
->gui_y
;
1605 rects
[i
].x2
= du
->gui_x
+ crtc_state
->mode
.hdisplay
;
1606 rects
[i
].y2
= du
->gui_y
+ crtc_state
->mode
.vdisplay
;
1610 /* Determine change to topology due to new atomic state */
1611 for_each_oldnew_crtc_in_state(state
, crtc
, old_crtc_state
,
1612 new_crtc_state
, i
) {
1613 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
1614 struct drm_connector
*connector
;
1615 struct drm_connector_state
*conn_state
;
1616 struct vmw_connector_state
*vmw_conn_state
;
1618 if (!new_crtc_state
->enable
&& old_crtc_state
->enable
) {
1626 if (!du
->pref_active
) {
1632 * For vmwgfx each crtc has only one connector attached and it
1633 * is not changed so don't really need to check the
1634 * crtc->connector_mask and iterate over it.
1636 connector
= &du
->connector
;
1637 conn_state
= drm_atomic_get_connector_state(state
, connector
);
1638 if (IS_ERR(conn_state
)) {
1639 ret
= PTR_ERR(conn_state
);
1643 vmw_conn_state
= vmw_connector_state_to_vcs(conn_state
);
1644 vmw_conn_state
->gui_x
= du
->gui_x
;
1645 vmw_conn_state
->gui_y
= du
->gui_y
;
1647 rects
[i
].x1
= du
->gui_x
;
1648 rects
[i
].y1
= du
->gui_y
;
1649 rects
[i
].x2
= du
->gui_x
+ new_crtc_state
->mode
.hdisplay
;
1650 rects
[i
].y2
= du
->gui_y
+ new_crtc_state
->mode
.vdisplay
;
1653 ret
= vmw_kms_check_display_memory(dev
, dev
->mode_config
.num_crtc
,
1657 mutex_unlock(&dev_priv
->requested_layout_mutex
);
1663 * vmw_kms_atomic_check_modeset- validate state object for modeset changes
1666 * @state: the driver state object
1668 * This is a simple wrapper around drm_atomic_helper_check_modeset() for
1669 * us to assign a value to mode->crtc_clock so that
1670 * drm_calc_timestamping_constants() won't throw an error message
1673 * Zero for success or -errno
1676 vmw_kms_atomic_check_modeset(struct drm_device
*dev
,
1677 struct drm_atomic_state
*state
)
1679 struct drm_crtc
*crtc
;
1680 struct drm_crtc_state
*crtc_state
;
1681 bool need_modeset
= false;
1684 ret
= drm_atomic_helper_check(dev
, state
);
1688 if (!state
->allow_modeset
)
1692 * Legacy path do not set allow_modeset properly like
1693 * @drm_atomic_helper_update_plane, This will result in unnecessary call
1694 * to vmw_kms_check_topology. So extra set of check.
1696 for_each_new_crtc_in_state(state
, crtc
, crtc_state
, i
) {
1697 if (drm_atomic_crtc_needs_modeset(crtc_state
))
1698 need_modeset
= true;
1702 return vmw_kms_check_topology(dev
, state
);
1707 static const struct drm_mode_config_funcs vmw_kms_funcs
= {
1708 .fb_create
= vmw_kms_fb_create
,
1709 .atomic_check
= vmw_kms_atomic_check_modeset
,
1710 .atomic_commit
= drm_atomic_helper_commit
,
1713 static int vmw_kms_generic_present(struct vmw_private
*dev_priv
,
1714 struct drm_file
*file_priv
,
1715 struct vmw_framebuffer
*vfb
,
1716 struct vmw_surface
*surface
,
1718 int32_t destX
, int32_t destY
,
1719 struct drm_vmw_rect
*clips
,
1722 return vmw_kms_sou_do_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1723 &surface
->res
, destX
, destY
,
1724 num_clips
, 1, NULL
, NULL
);
1728 int vmw_kms_present(struct vmw_private
*dev_priv
,
1729 struct drm_file
*file_priv
,
1730 struct vmw_framebuffer
*vfb
,
1731 struct vmw_surface
*surface
,
1733 int32_t destX
, int32_t destY
,
1734 struct drm_vmw_rect
*clips
,
1739 switch (dev_priv
->active_display_unit
) {
1740 case vmw_du_screen_target
:
1741 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1742 &surface
->res
, destX
, destY
,
1743 num_clips
, 1, NULL
, NULL
);
1745 case vmw_du_screen_object
:
1746 ret
= vmw_kms_generic_present(dev_priv
, file_priv
, vfb
, surface
,
1747 sid
, destX
, destY
, clips
,
1752 "Present called with invalid display system.\n");
1759 vmw_fifo_flush(dev_priv
, false);
1765 vmw_kms_create_hotplug_mode_update_property(struct vmw_private
*dev_priv
)
1767 if (dev_priv
->hotplug_mode_update_property
)
1770 dev_priv
->hotplug_mode_update_property
=
1771 drm_property_create_range(dev_priv
->dev
,
1772 DRM_MODE_PROP_IMMUTABLE
,
1773 "hotplug_mode_update", 0, 1);
1775 if (!dev_priv
->hotplug_mode_update_property
)
1780 int vmw_kms_init(struct vmw_private
*dev_priv
)
1782 struct drm_device
*dev
= dev_priv
->dev
;
1785 drm_mode_config_init(dev
);
1786 dev
->mode_config
.funcs
= &vmw_kms_funcs
;
1787 dev
->mode_config
.min_width
= 1;
1788 dev
->mode_config
.min_height
= 1;
1789 dev
->mode_config
.max_width
= dev_priv
->texture_max_width
;
1790 dev
->mode_config
.max_height
= dev_priv
->texture_max_height
;
1792 drm_mode_create_suggested_offset_properties(dev
);
1793 vmw_kms_create_hotplug_mode_update_property(dev_priv
);
1795 ret
= vmw_kms_stdu_init_display(dev_priv
);
1797 ret
= vmw_kms_sou_init_display(dev_priv
);
1798 if (ret
) /* Fallback */
1799 ret
= vmw_kms_ldu_init_display(dev_priv
);
1805 int vmw_kms_close(struct vmw_private
*dev_priv
)
1810 * Docs says we should take the lock before calling this function
1811 * but since it destroys encoders and our destructor calls
1812 * drm_encoder_cleanup which takes the lock we deadlock.
1814 drm_mode_config_cleanup(dev_priv
->dev
);
1815 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
1816 ret
= vmw_kms_ldu_close_display(dev_priv
);
1821 int vmw_kms_cursor_bypass_ioctl(struct drm_device
*dev
, void *data
,
1822 struct drm_file
*file_priv
)
1824 struct drm_vmw_cursor_bypass_arg
*arg
= data
;
1825 struct vmw_display_unit
*du
;
1826 struct drm_crtc
*crtc
;
1830 mutex_lock(&dev
->mode_config
.mutex
);
1831 if (arg
->flags
& DRM_VMW_CURSOR_BYPASS_ALL
) {
1833 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
1834 du
= vmw_crtc_to_du(crtc
);
1835 du
->hotspot_x
= arg
->xhot
;
1836 du
->hotspot_y
= arg
->yhot
;
1839 mutex_unlock(&dev
->mode_config
.mutex
);
1843 crtc
= drm_crtc_find(dev
, file_priv
, arg
->crtc_id
);
1849 du
= vmw_crtc_to_du(crtc
);
1851 du
->hotspot_x
= arg
->xhot
;
1852 du
->hotspot_y
= arg
->yhot
;
1855 mutex_unlock(&dev
->mode_config
.mutex
);
1860 int vmw_kms_write_svga(struct vmw_private
*vmw_priv
,
1861 unsigned width
, unsigned height
, unsigned pitch
,
1862 unsigned bpp
, unsigned depth
)
1864 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1865 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
, pitch
);
1866 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1867 vmw_mmio_write(pitch
, vmw_priv
->mmio_virt
+
1868 SVGA_FIFO_PITCHLOCK
);
1869 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, width
);
1870 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, height
);
1871 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, bpp
);
1873 if (vmw_read(vmw_priv
, SVGA_REG_DEPTH
) != depth
) {
1874 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1875 depth
, bpp
, vmw_read(vmw_priv
, SVGA_REG_DEPTH
));
1882 int vmw_kms_save_vga(struct vmw_private
*vmw_priv
)
1884 struct vmw_vga_topology_state
*save
;
1887 vmw_priv
->vga_width
= vmw_read(vmw_priv
, SVGA_REG_WIDTH
);
1888 vmw_priv
->vga_height
= vmw_read(vmw_priv
, SVGA_REG_HEIGHT
);
1889 vmw_priv
->vga_bpp
= vmw_read(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
);
1890 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1891 vmw_priv
->vga_pitchlock
=
1892 vmw_read(vmw_priv
, SVGA_REG_PITCHLOCK
);
1893 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1894 vmw_priv
->vga_pitchlock
= vmw_mmio_read(vmw_priv
->mmio_virt
+
1895 SVGA_FIFO_PITCHLOCK
);
1897 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1900 vmw_priv
->num_displays
= vmw_read(vmw_priv
,
1901 SVGA_REG_NUM_GUEST_DISPLAYS
);
1903 if (vmw_priv
->num_displays
== 0)
1904 vmw_priv
->num_displays
= 1;
1906 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1907 save
= &vmw_priv
->vga_save
[i
];
1908 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1909 save
->primary
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
);
1910 save
->pos_x
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
);
1911 save
->pos_y
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
);
1912 save
->width
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
);
1913 save
->height
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
);
1914 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1915 if (i
== 0 && vmw_priv
->num_displays
== 1 &&
1916 save
->width
== 0 && save
->height
== 0) {
1919 * It should be fairly safe to assume that these
1920 * values are uninitialized.
1923 save
->width
= vmw_priv
->vga_width
- save
->pos_x
;
1924 save
->height
= vmw_priv
->vga_height
- save
->pos_y
;
1931 int vmw_kms_restore_vga(struct vmw_private
*vmw_priv
)
1933 struct vmw_vga_topology_state
*save
;
1936 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, vmw_priv
->vga_width
);
1937 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, vmw_priv
->vga_height
);
1938 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, vmw_priv
->vga_bpp
);
1939 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1940 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
,
1941 vmw_priv
->vga_pitchlock
);
1942 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1943 vmw_mmio_write(vmw_priv
->vga_pitchlock
,
1944 vmw_priv
->mmio_virt
+ SVGA_FIFO_PITCHLOCK
);
1946 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1949 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1950 save
= &vmw_priv
->vga_save
[i
];
1951 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1952 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, save
->primary
);
1953 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
, save
->pos_x
);
1954 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
, save
->pos_y
);
1955 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
, save
->width
);
1956 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
, save
->height
);
1957 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1963 bool vmw_kms_validate_mode_vram(struct vmw_private
*dev_priv
,
1967 return ((u64
) pitch
* (u64
) height
) < (u64
)
1968 ((dev_priv
->active_display_unit
== vmw_du_screen_target
) ?
1969 dev_priv
->prim_bb_mem
: dev_priv
->vram_size
);
1974 * Function called by DRM code called with vbl_lock held.
1976 u32
vmw_get_vblank_counter(struct drm_device
*dev
, unsigned int pipe
)
1982 * Function called by DRM code called with vbl_lock held.
1984 int vmw_enable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1990 * Function called by DRM code called with vbl_lock held.
1992 void vmw_disable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1997 * vmw_du_update_layout - Update the display unit with topology from resolution
1998 * plugin and generate DRM uevent
1999 * @dev_priv: device private
2000 * @num_rects: number of drm_rect in rects
2001 * @rects: toplogy to update
2003 static int vmw_du_update_layout(struct vmw_private
*dev_priv
,
2004 unsigned int num_rects
, struct drm_rect
*rects
)
2006 struct drm_device
*dev
= dev_priv
->dev
;
2007 struct vmw_display_unit
*du
;
2008 struct drm_connector
*con
;
2009 struct drm_connector_list_iter conn_iter
;
2012 * Currently only gui_x/y is protected with requested_layout_mutex.
2014 mutex_lock(&dev_priv
->requested_layout_mutex
);
2015 drm_connector_list_iter_begin(dev
, &conn_iter
);
2016 drm_for_each_connector_iter(con
, &conn_iter
) {
2017 du
= vmw_connector_to_du(con
);
2018 if (num_rects
> du
->unit
) {
2019 du
->pref_width
= drm_rect_width(&rects
[du
->unit
]);
2020 du
->pref_height
= drm_rect_height(&rects
[du
->unit
]);
2021 du
->pref_active
= true;
2022 du
->gui_x
= rects
[du
->unit
].x1
;
2023 du
->gui_y
= rects
[du
->unit
].y1
;
2025 du
->pref_width
= 800;
2026 du
->pref_height
= 600;
2027 du
->pref_active
= false;
2032 drm_connector_list_iter_end(&conn_iter
);
2033 mutex_unlock(&dev_priv
->requested_layout_mutex
);
2035 mutex_lock(&dev
->mode_config
.mutex
);
2036 list_for_each_entry(con
, &dev
->mode_config
.connector_list
, head
) {
2037 du
= vmw_connector_to_du(con
);
2038 if (num_rects
> du
->unit
) {
2039 drm_object_property_set_value
2040 (&con
->base
, dev
->mode_config
.suggested_x_property
,
2042 drm_object_property_set_value
2043 (&con
->base
, dev
->mode_config
.suggested_y_property
,
2046 drm_object_property_set_value
2047 (&con
->base
, dev
->mode_config
.suggested_x_property
,
2049 drm_object_property_set_value
2050 (&con
->base
, dev
->mode_config
.suggested_y_property
,
2053 con
->status
= vmw_du_connector_detect(con
, true);
2055 mutex_unlock(&dev
->mode_config
.mutex
);
2057 drm_sysfs_hotplug_event(dev
);
2062 int vmw_du_crtc_gamma_set(struct drm_crtc
*crtc
,
2063 u16
*r
, u16
*g
, u16
*b
,
2065 struct drm_modeset_acquire_ctx
*ctx
)
2067 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
2070 for (i
= 0; i
< size
; i
++) {
2071 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i
,
2073 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 0, r
[i
] >> 8);
2074 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 1, g
[i
] >> 8);
2075 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 2, b
[i
] >> 8);
2081 int vmw_du_connector_dpms(struct drm_connector
*connector
, int mode
)
2086 enum drm_connector_status
2087 vmw_du_connector_detect(struct drm_connector
*connector
, bool force
)
2089 uint32_t num_displays
;
2090 struct drm_device
*dev
= connector
->dev
;
2091 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2092 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2094 num_displays
= vmw_read(dev_priv
, SVGA_REG_NUM_DISPLAYS
);
2096 return ((vmw_connector_to_du(connector
)->unit
< num_displays
&&
2098 connector_status_connected
: connector_status_disconnected
);
2101 static struct drm_display_mode vmw_kms_connector_builtin
[] = {
2103 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
2104 752, 800, 0, 480, 489, 492, 525, 0,
2105 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
2107 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
2108 968, 1056, 0, 600, 601, 605, 628, 0,
2109 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2111 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
2112 1184, 1344, 0, 768, 771, 777, 806, 0,
2113 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
2115 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
2116 1344, 1600, 0, 864, 865, 868, 900, 0,
2117 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2119 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
2120 1472, 1664, 0, 768, 771, 778, 798, 0,
2121 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2123 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
2124 1480, 1680, 0, 800, 803, 809, 831, 0,
2125 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
2127 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
2128 1488, 1800, 0, 960, 961, 964, 1000, 0,
2129 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2130 /* 1280x1024@60Hz */
2131 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
2132 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
2133 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2135 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
2136 1536, 1792, 0, 768, 771, 777, 795, 0,
2137 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2138 /* 1440x1050@60Hz */
2139 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
2140 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
2141 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2143 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
2144 1672, 1904, 0, 900, 903, 909, 934, 0,
2145 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2146 /* 1600x1200@60Hz */
2147 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
2148 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
2149 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2150 /* 1680x1050@60Hz */
2151 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
2152 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
2153 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2154 /* 1792x1344@60Hz */
2155 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
2156 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
2157 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2158 /* 1853x1392@60Hz */
2159 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
2160 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
2161 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2162 /* 1920x1200@60Hz */
2163 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
2164 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
2165 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2166 /* 1920x1440@60Hz */
2167 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
2168 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
2169 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2170 /* 2560x1600@60Hz */
2171 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
2172 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
2173 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2175 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
2179 * vmw_guess_mode_timing - Provide fake timings for a
2180 * 60Hz vrefresh mode.
2182 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
2183 * members filled in.
2185 void vmw_guess_mode_timing(struct drm_display_mode
*mode
)
2187 mode
->hsync_start
= mode
->hdisplay
+ 50;
2188 mode
->hsync_end
= mode
->hsync_start
+ 50;
2189 mode
->htotal
= mode
->hsync_end
+ 50;
2191 mode
->vsync_start
= mode
->vdisplay
+ 50;
2192 mode
->vsync_end
= mode
->vsync_start
+ 50;
2193 mode
->vtotal
= mode
->vsync_end
+ 50;
2195 mode
->clock
= (u32
)mode
->htotal
* (u32
)mode
->vtotal
/ 100 * 6;
2196 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2200 int vmw_du_connector_fill_modes(struct drm_connector
*connector
,
2201 uint32_t max_width
, uint32_t max_height
)
2203 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2204 struct drm_device
*dev
= connector
->dev
;
2205 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2206 struct drm_display_mode
*mode
= NULL
;
2207 struct drm_display_mode
*bmode
;
2208 struct drm_display_mode prefmode
= { DRM_MODE("preferred",
2209 DRM_MODE_TYPE_DRIVER
| DRM_MODE_TYPE_PREFERRED
,
2210 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2211 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
)
2214 u32 assumed_bpp
= 4;
2216 if (dev_priv
->assume_16bpp
)
2219 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
2220 max_width
= min(max_width
, dev_priv
->stdu_max_width
);
2221 max_width
= min(max_width
, dev_priv
->texture_max_width
);
2223 max_height
= min(max_height
, dev_priv
->stdu_max_height
);
2224 max_height
= min(max_height
, dev_priv
->texture_max_height
);
2227 /* Add preferred mode */
2228 mode
= drm_mode_duplicate(dev
, &prefmode
);
2231 mode
->hdisplay
= du
->pref_width
;
2232 mode
->vdisplay
= du
->pref_height
;
2233 vmw_guess_mode_timing(mode
);
2235 if (vmw_kms_validate_mode_vram(dev_priv
,
2236 mode
->hdisplay
* assumed_bpp
,
2238 drm_mode_probed_add(connector
, mode
);
2240 drm_mode_destroy(dev
, mode
);
2244 if (du
->pref_mode
) {
2245 list_del_init(&du
->pref_mode
->head
);
2246 drm_mode_destroy(dev
, du
->pref_mode
);
2249 /* mode might be null here, this is intended */
2250 du
->pref_mode
= mode
;
2252 for (i
= 0; vmw_kms_connector_builtin
[i
].type
!= 0; i
++) {
2253 bmode
= &vmw_kms_connector_builtin
[i
];
2254 if (bmode
->hdisplay
> max_width
||
2255 bmode
->vdisplay
> max_height
)
2258 if (!vmw_kms_validate_mode_vram(dev_priv
,
2259 bmode
->hdisplay
* assumed_bpp
,
2263 mode
= drm_mode_duplicate(dev
, bmode
);
2266 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2268 drm_mode_probed_add(connector
, mode
);
2271 drm_connector_list_update(connector
);
2272 /* Move the prefered mode first, help apps pick the right mode. */
2273 drm_mode_sort(&connector
->modes
);
2278 int vmw_du_connector_set_property(struct drm_connector
*connector
,
2279 struct drm_property
*property
,
2282 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2283 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2285 if (property
== dev_priv
->implicit_placement_property
)
2286 du
->is_implicit
= val
;
2294 * vmw_du_connector_atomic_set_property - Atomic version of get property
2296 * @crtc - crtc the property is associated with
2299 * Zero on success, negative errno on failure.
2302 vmw_du_connector_atomic_set_property(struct drm_connector
*connector
,
2303 struct drm_connector_state
*state
,
2304 struct drm_property
*property
,
2307 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2308 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2309 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2312 if (property
== dev_priv
->implicit_placement_property
) {
2313 vcs
->is_implicit
= val
;
2316 * We should really be doing a drm_atomic_commit() to
2317 * commit the new state, but since this doesn't cause
2318 * an immedate state change, this is probably ok
2320 du
->is_implicit
= vcs
->is_implicit
;
2330 * vmw_du_connector_atomic_get_property - Atomic version of get property
2332 * @connector - connector the property is associated with
2335 * Zero on success, negative errno on failure.
2338 vmw_du_connector_atomic_get_property(struct drm_connector
*connector
,
2339 const struct drm_connector_state
*state
,
2340 struct drm_property
*property
,
2343 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2344 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2346 if (property
== dev_priv
->implicit_placement_property
)
2347 *val
= vcs
->is_implicit
;
2349 DRM_ERROR("Invalid Property %s\n", property
->name
);
2357 * vmw_kms_update_layout_ioctl - Handler for DRM_VMW_UPDATE_LAYOUT ioctl
2358 * @dev: drm device for the ioctl
2359 * @data: data pointer for the ioctl
2360 * @file_priv: drm file for the ioctl call
2362 * Update preferred topology of display unit as per ioctl request. The topology
2363 * is expressed as array of drm_vmw_rect.
2365 * [0 0 640 480] [640 0 800 600] [0 480 640 480]
2368 * The x and y offset (upper left) in drm_vmw_rect cannot be less than 0. Beside
2369 * device limit on topology, x + w and y + h (lower right) cannot be greater
2370 * than INT_MAX. So topology beyond these limits will return with error.
2373 * Zero on success, negative errno on failure.
2375 int vmw_kms_update_layout_ioctl(struct drm_device
*dev
, void *data
,
2376 struct drm_file
*file_priv
)
2378 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2379 struct drm_vmw_update_layout_arg
*arg
=
2380 (struct drm_vmw_update_layout_arg
*)data
;
2381 void __user
*user_rects
;
2382 struct drm_vmw_rect
*rects
;
2383 struct drm_rect
*drm_rects
;
2384 unsigned rects_size
;
2387 if (!arg
->num_outputs
) {
2388 struct drm_rect def_rect
= {0, 0, 800, 600};
2389 vmw_du_update_layout(dev_priv
, 1, &def_rect
);
2393 rects_size
= arg
->num_outputs
* sizeof(struct drm_vmw_rect
);
2394 rects
= kcalloc(arg
->num_outputs
, sizeof(struct drm_vmw_rect
),
2396 if (unlikely(!rects
))
2399 user_rects
= (void __user
*)(unsigned long)arg
->rects
;
2400 ret
= copy_from_user(rects
, user_rects
, rects_size
);
2401 if (unlikely(ret
!= 0)) {
2402 DRM_ERROR("Failed to get rects.\n");
2407 drm_rects
= (struct drm_rect
*)rects
;
2409 for (i
= 0; i
< arg
->num_outputs
; i
++) {
2410 struct drm_vmw_rect curr_rect
;
2412 /* Verify user-space for overflow as kernel use drm_rect */
2413 if ((rects
[i
].x
+ rects
[i
].w
> INT_MAX
) ||
2414 (rects
[i
].y
+ rects
[i
].h
> INT_MAX
)) {
2419 curr_rect
= rects
[i
];
2420 drm_rects
[i
].x1
= curr_rect
.x
;
2421 drm_rects
[i
].y1
= curr_rect
.y
;
2422 drm_rects
[i
].x2
= curr_rect
.x
+ curr_rect
.w
;
2423 drm_rects
[i
].y2
= curr_rect
.y
+ curr_rect
.h
;
2426 ret
= vmw_kms_check_display_memory(dev
, arg
->num_outputs
, drm_rects
);
2429 vmw_du_update_layout(dev_priv
, arg
->num_outputs
, drm_rects
);
2437 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
2438 * on a set of cliprects and a set of display units.
2440 * @dev_priv: Pointer to a device private structure.
2441 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
2442 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
2443 * Cliprects are given in framebuffer coordinates.
2444 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
2445 * be NULL. Cliprects are given in source coordinates.
2446 * @dest_x: X coordinate offset for the crtc / destination clip rects.
2447 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
2448 * @num_clips: Number of cliprects in the @clips or @vclips array.
2449 * @increment: Integer with which to increment the clip counter when looping.
2450 * Used to skip a predetermined number of clip rects.
2451 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
2453 int vmw_kms_helper_dirty(struct vmw_private
*dev_priv
,
2454 struct vmw_framebuffer
*framebuffer
,
2455 const struct drm_clip_rect
*clips
,
2456 const struct drm_vmw_rect
*vclips
,
2457 s32 dest_x
, s32 dest_y
,
2460 struct vmw_kms_dirty
*dirty
)
2462 struct vmw_display_unit
*units
[VMWGFX_NUM_DISPLAY_UNITS
];
2463 struct drm_crtc
*crtc
;
2467 dirty
->dev_priv
= dev_priv
;
2469 /* If crtc is passed, no need to iterate over other display units */
2471 units
[num_units
++] = vmw_crtc_to_du(dirty
->crtc
);
2473 list_for_each_entry(crtc
, &dev_priv
->dev
->mode_config
.crtc_list
,
2475 struct drm_plane
*plane
= crtc
->primary
;
2477 if (plane
->state
->fb
== &framebuffer
->base
)
2478 units
[num_units
++] = vmw_crtc_to_du(crtc
);
2482 for (k
= 0; k
< num_units
; k
++) {
2483 struct vmw_display_unit
*unit
= units
[k
];
2484 s32 crtc_x
= unit
->crtc
.x
;
2485 s32 crtc_y
= unit
->crtc
.y
;
2486 s32 crtc_width
= unit
->crtc
.mode
.hdisplay
;
2487 s32 crtc_height
= unit
->crtc
.mode
.vdisplay
;
2488 const struct drm_clip_rect
*clips_ptr
= clips
;
2489 const struct drm_vmw_rect
*vclips_ptr
= vclips
;
2492 if (dirty
->fifo_reserve_size
> 0) {
2493 dirty
->cmd
= vmw_fifo_reserve(dev_priv
,
2494 dirty
->fifo_reserve_size
);
2496 DRM_ERROR("Couldn't reserve fifo space "
2497 "for dirty blits.\n");
2500 memset(dirty
->cmd
, 0, dirty
->fifo_reserve_size
);
2502 dirty
->num_hits
= 0;
2503 for (i
= 0; i
< num_clips
; i
++, clips_ptr
+= increment
,
2504 vclips_ptr
+= increment
) {
2509 * Select clip array type. Note that integer type
2510 * in @clips is unsigned short, whereas in @vclips
2514 dirty
->fb_x
= (s32
) clips_ptr
->x1
;
2515 dirty
->fb_y
= (s32
) clips_ptr
->y1
;
2516 dirty
->unit_x2
= (s32
) clips_ptr
->x2
+ dest_x
-
2518 dirty
->unit_y2
= (s32
) clips_ptr
->y2
+ dest_y
-
2521 dirty
->fb_x
= vclips_ptr
->x
;
2522 dirty
->fb_y
= vclips_ptr
->y
;
2523 dirty
->unit_x2
= dirty
->fb_x
+ vclips_ptr
->w
+
2525 dirty
->unit_y2
= dirty
->fb_y
+ vclips_ptr
->h
+
2529 dirty
->unit_x1
= dirty
->fb_x
+ dest_x
- crtc_x
;
2530 dirty
->unit_y1
= dirty
->fb_y
+ dest_y
- crtc_y
;
2532 /* Skip this clip if it's outside the crtc region */
2533 if (dirty
->unit_x1
>= crtc_width
||
2534 dirty
->unit_y1
>= crtc_height
||
2535 dirty
->unit_x2
<= 0 || dirty
->unit_y2
<= 0)
2538 /* Clip right and bottom to crtc limits */
2539 dirty
->unit_x2
= min_t(s32
, dirty
->unit_x2
,
2541 dirty
->unit_y2
= min_t(s32
, dirty
->unit_y2
,
2544 /* Clip left and top to crtc limits */
2545 clip_left
= min_t(s32
, dirty
->unit_x1
, 0);
2546 clip_top
= min_t(s32
, dirty
->unit_y1
, 0);
2547 dirty
->unit_x1
-= clip_left
;
2548 dirty
->unit_y1
-= clip_top
;
2549 dirty
->fb_x
-= clip_left
;
2550 dirty
->fb_y
-= clip_top
;
2555 dirty
->fifo_commit(dirty
);
2562 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
2563 * command submission.
2565 * @dev_priv. Pointer to a device private structure.
2566 * @buf: The buffer object
2567 * @interruptible: Whether to perform waits as interruptible.
2568 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
2569 * The buffer will be validated as a GMR. Already pinned buffers will not be
2572 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
2573 * interrupted by a signal.
2575 int vmw_kms_helper_buffer_prepare(struct vmw_private
*dev_priv
,
2576 struct vmw_buffer_object
*buf
,
2578 bool validate_as_mob
,
2581 struct ttm_operation_ctx ctx
= {
2582 .interruptible
= interruptible
,
2583 .no_wait_gpu
= false};
2584 struct ttm_buffer_object
*bo
= &buf
->base
;
2587 ttm_bo_reserve(bo
, false, false, NULL
);
2589 ret
= ttm_bo_validate(bo
, &vmw_nonfixed_placement
, &ctx
);
2591 ret
= vmw_validate_single_buffer(dev_priv
, bo
, interruptible
,
2594 ttm_bo_unreserve(bo
);
2600 * vmw_kms_helper_buffer_revert - Undo the actions of
2601 * vmw_kms_helper_buffer_prepare.
2603 * @res: Pointer to the buffer object.
2605 * Helper to be used if an error forces the caller to undo the actions of
2606 * vmw_kms_helper_buffer_prepare.
2608 void vmw_kms_helper_buffer_revert(struct vmw_buffer_object
*buf
)
2611 ttm_bo_unreserve(&buf
->base
);
2615 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
2616 * kms command submission.
2618 * @dev_priv: Pointer to a device private structure.
2619 * @file_priv: Pointer to a struct drm_file representing the caller's
2620 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
2621 * if non-NULL, @user_fence_rep must be non-NULL.
2622 * @buf: The buffer object.
2623 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2624 * ref-counted fence pointer is returned here.
2625 * @user_fence_rep: Optional pointer to a user-space provided struct
2626 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
2627 * function copies fence data to user-space in a fail-safe manner.
2629 void vmw_kms_helper_buffer_finish(struct vmw_private
*dev_priv
,
2630 struct drm_file
*file_priv
,
2631 struct vmw_buffer_object
*buf
,
2632 struct vmw_fence_obj
**out_fence
,
2633 struct drm_vmw_fence_rep __user
*
2636 struct vmw_fence_obj
*fence
;
2640 ret
= vmw_execbuf_fence_commands(file_priv
, dev_priv
, &fence
,
2641 file_priv
? &handle
: NULL
);
2643 vmw_bo_fence_single(&buf
->base
, fence
);
2645 vmw_execbuf_copy_fence_user(dev_priv
, vmw_fpriv(file_priv
),
2646 ret
, user_fence_rep
, fence
,
2651 vmw_fence_obj_unreference(&fence
);
2653 vmw_kms_helper_buffer_revert(buf
);
2658 * vmw_kms_helper_resource_revert - Undo the actions of
2659 * vmw_kms_helper_resource_prepare.
2661 * @res: Pointer to the resource. Typically a surface.
2663 * Helper to be used if an error forces the caller to undo the actions of
2664 * vmw_kms_helper_resource_prepare.
2666 void vmw_kms_helper_resource_revert(struct vmw_validation_ctx
*ctx
)
2668 struct vmw_resource
*res
= ctx
->res
;
2670 vmw_kms_helper_buffer_revert(ctx
->buf
);
2671 vmw_bo_unreference(&ctx
->buf
);
2672 vmw_resource_unreserve(res
, false, NULL
, 0);
2673 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2677 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
2678 * command submission.
2680 * @res: Pointer to the resource. Typically a surface.
2681 * @interruptible: Whether to perform waits as interruptible.
2683 * Reserves and validates also the backup buffer if a guest-backed resource.
2684 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
2685 * interrupted by a signal.
2687 int vmw_kms_helper_resource_prepare(struct vmw_resource
*res
,
2689 struct vmw_validation_ctx
*ctx
)
2697 ret
= mutex_lock_interruptible(&res
->dev_priv
->cmdbuf_mutex
);
2699 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
2701 if (unlikely(ret
!= 0))
2702 return -ERESTARTSYS
;
2704 ret
= vmw_resource_reserve(res
, interruptible
, false);
2709 ret
= vmw_kms_helper_buffer_prepare(res
->dev_priv
, res
->backup
,
2711 res
->dev_priv
->has_mob
,
2716 ctx
->buf
= vmw_bo_reference(res
->backup
);
2718 ret
= vmw_resource_validate(res
);
2724 vmw_kms_helper_buffer_revert(ctx
->buf
);
2726 vmw_resource_unreserve(res
, false, NULL
, 0);
2728 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2733 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
2734 * kms command submission.
2736 * @res: Pointer to the resource. Typically a surface.
2737 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2738 * ref-counted fence pointer is returned here.
2740 void vmw_kms_helper_resource_finish(struct vmw_validation_ctx
*ctx
,
2741 struct vmw_fence_obj
**out_fence
)
2743 struct vmw_resource
*res
= ctx
->res
;
2745 if (ctx
->buf
|| out_fence
)
2746 vmw_kms_helper_buffer_finish(res
->dev_priv
, NULL
, ctx
->buf
,
2749 vmw_bo_unreference(&ctx
->buf
);
2750 vmw_resource_unreserve(res
, false, NULL
, 0);
2751 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2755 * vmw_kms_update_proxy - Helper function to update a proxy surface from
2758 * @res: Pointer to the surface resource
2759 * @clips: Clip rects in framebuffer (surface) space.
2760 * @num_clips: Number of clips in @clips.
2761 * @increment: Integer with which to increment the clip counter when looping.
2762 * Used to skip a predetermined number of clip rects.
2764 * This function makes sure the proxy surface is updated from its backing MOB
2765 * using the region given by @clips. The surface resource @res and its backing
2766 * MOB needs to be reserved and validated on call.
2768 int vmw_kms_update_proxy(struct vmw_resource
*res
,
2769 const struct drm_clip_rect
*clips
,
2773 struct vmw_private
*dev_priv
= res
->dev_priv
;
2774 struct drm_vmw_size
*size
= &vmw_res_to_srf(res
)->base_size
;
2776 SVGA3dCmdHeader header
;
2777 SVGA3dCmdUpdateGBImage body
;
2780 size_t copy_size
= 0;
2786 cmd
= vmw_fifo_reserve(dev_priv
, sizeof(*cmd
) * num_clips
);
2788 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2793 for (i
= 0; i
< num_clips
; ++i
, clips
+= increment
, ++cmd
) {
2794 box
= &cmd
->body
.box
;
2796 cmd
->header
.id
= SVGA_3D_CMD_UPDATE_GB_IMAGE
;
2797 cmd
->header
.size
= sizeof(cmd
->body
);
2798 cmd
->body
.image
.sid
= res
->id
;
2799 cmd
->body
.image
.face
= 0;
2800 cmd
->body
.image
.mipmap
= 0;
2802 if (clips
->x1
> size
->width
|| clips
->x2
> size
->width
||
2803 clips
->y1
> size
->height
|| clips
->y2
> size
->height
) {
2804 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2811 box
->w
= clips
->x2
- clips
->x1
;
2812 box
->h
= clips
->y2
- clips
->y1
;
2815 copy_size
+= sizeof(*cmd
);
2818 vmw_fifo_commit(dev_priv
, copy_size
);
2823 int vmw_kms_fbdev_init_data(struct vmw_private
*dev_priv
,
2827 struct drm_connector
**p_con
,
2828 struct drm_crtc
**p_crtc
,
2829 struct drm_display_mode
**p_mode
)
2831 struct drm_connector
*con
;
2832 struct vmw_display_unit
*du
;
2833 struct drm_display_mode
*mode
;
2837 mutex_lock(&dev_priv
->dev
->mode_config
.mutex
);
2838 list_for_each_entry(con
, &dev_priv
->dev
->mode_config
.connector_list
,
2847 DRM_ERROR("Could not find initial display unit.\n");
2852 if (list_empty(&con
->modes
))
2853 (void) vmw_du_connector_fill_modes(con
, max_width
, max_height
);
2855 if (list_empty(&con
->modes
)) {
2856 DRM_ERROR("Could not find initial display mode.\n");
2861 du
= vmw_connector_to_du(con
);
2863 *p_crtc
= &du
->crtc
;
2865 list_for_each_entry(mode
, &con
->modes
, head
) {
2866 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2870 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2873 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2874 *p_mode
= list_first_entry(&con
->modes
,
2875 struct drm_display_mode
,
2880 mutex_unlock(&dev_priv
->dev
->mode_config
.mutex
);
2886 * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
2888 * @dev_priv: Pointer to a device private struct.
2889 * @du: The display unit of the crtc.
2891 void vmw_kms_del_active(struct vmw_private
*dev_priv
,
2892 struct vmw_display_unit
*du
)
2894 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2895 if (du
->active_implicit
) {
2896 if (--(dev_priv
->num_implicit
) == 0)
2897 dev_priv
->implicit_fb
= NULL
;
2898 du
->active_implicit
= false;
2900 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2904 * vmw_kms_add_active - register a crtc binding to an implicit framebuffer
2906 * @vmw_priv: Pointer to a device private struct.
2907 * @du: The display unit of the crtc.
2908 * @vfb: The implicit framebuffer
2910 * Registers a binding to an implicit framebuffer.
2912 void vmw_kms_add_active(struct vmw_private
*dev_priv
,
2913 struct vmw_display_unit
*du
,
2914 struct vmw_framebuffer
*vfb
)
2916 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2917 WARN_ON_ONCE(!dev_priv
->num_implicit
&& dev_priv
->implicit_fb
);
2919 if (!du
->active_implicit
&& du
->is_implicit
) {
2920 dev_priv
->implicit_fb
= vfb
;
2921 du
->active_implicit
= true;
2922 dev_priv
->num_implicit
++;
2924 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2928 * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
2930 * @dev_priv: Pointer to device-private struct.
2931 * @crtc: The crtc we want to flip.
2933 * Returns true or false depending whether it's OK to flip this crtc
2934 * based on the criterion that we must not have more than one implicit
2935 * frame-buffer at any one time.
2937 bool vmw_kms_crtc_flippable(struct vmw_private
*dev_priv
,
2938 struct drm_crtc
*crtc
)
2940 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2943 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2944 ret
= !du
->is_implicit
|| dev_priv
->num_implicit
== 1;
2945 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2951 * vmw_kms_update_implicit_fb - Update the implicit fb.
2953 * @dev_priv: Pointer to device-private struct.
2954 * @crtc: The crtc the new implicit frame-buffer is bound to.
2956 void vmw_kms_update_implicit_fb(struct vmw_private
*dev_priv
,
2957 struct drm_crtc
*crtc
)
2959 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2960 struct drm_plane
*plane
= crtc
->primary
;
2961 struct vmw_framebuffer
*vfb
;
2963 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2965 if (!du
->is_implicit
)
2968 vfb
= vmw_framebuffer_to_vfb(plane
->state
->fb
);
2969 WARN_ON_ONCE(dev_priv
->num_implicit
!= 1 &&
2970 dev_priv
->implicit_fb
!= vfb
);
2972 dev_priv
->implicit_fb
= vfb
;
2974 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2978 * vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
2981 * @dev_priv: Pointer to a device private struct.
2982 * @immutable: Whether the property is immutable.
2984 * Sets up the implicit placement property unless it's already set up.
2987 vmw_kms_create_implicit_placement_property(struct vmw_private
*dev_priv
,
2990 if (dev_priv
->implicit_placement_property
)
2993 dev_priv
->implicit_placement_property
=
2994 drm_property_create_range(dev_priv
->dev
,
2996 DRM_MODE_PROP_IMMUTABLE
: 0,
2997 "implicit_placement", 0, 1);
3003 * vmw_kms_set_config - Wrapper around drm_atomic_helper_set_config
3005 * @set: The configuration to set.
3007 * The vmwgfx Xorg driver doesn't assign the mode::type member, which
3008 * when drm_mode_set_crtcinfo is called as part of the configuration setting
3009 * causes it to return incorrect crtc dimensions causing severe problems in
3010 * the vmwgfx modesetting. So explicitly clear that member before calling
3011 * into drm_atomic_helper_set_config.
3013 int vmw_kms_set_config(struct drm_mode_set
*set
,
3014 struct drm_modeset_acquire_ctx
*ctx
)
3016 if (set
&& set
->mode
)
3017 set
->mode
->type
= 0;
3019 return drm_atomic_helper_set_config(set
, ctx
);
3024 * vmw_kms_suspend - Save modesetting state and turn modesetting off.
3026 * @dev: Pointer to the drm device
3027 * Return: 0 on success. Negative error code on failure.
3029 int vmw_kms_suspend(struct drm_device
*dev
)
3031 struct vmw_private
*dev_priv
= vmw_priv(dev
);
3033 dev_priv
->suspend_state
= drm_atomic_helper_suspend(dev
);
3034 if (IS_ERR(dev_priv
->suspend_state
)) {
3035 int ret
= PTR_ERR(dev_priv
->suspend_state
);
3037 DRM_ERROR("Failed kms suspend: %d\n", ret
);
3038 dev_priv
->suspend_state
= NULL
;
3048 * vmw_kms_resume - Re-enable modesetting and restore state
3050 * @dev: Pointer to the drm device
3051 * Return: 0 on success. Negative error code on failure.
3053 * State is resumed from a previous vmw_kms_suspend(). It's illegal
3054 * to call this function without a previous vmw_kms_suspend().
3056 int vmw_kms_resume(struct drm_device
*dev
)
3058 struct vmw_private
*dev_priv
= vmw_priv(dev
);
3061 if (WARN_ON(!dev_priv
->suspend_state
))
3064 ret
= drm_atomic_helper_resume(dev
, dev_priv
->suspend_state
);
3065 dev_priv
->suspend_state
= NULL
;
3071 * vmw_kms_lost_device - Notify kms that modesetting capabilities will be lost
3073 * @dev: Pointer to the drm device
3075 void vmw_kms_lost_device(struct drm_device
*dev
)
3077 drm_atomic_helper_shutdown(dev
);