1 /**************************************************************************
3 * 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>
35 /* Might need a hrtimer here? */
36 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
38 void vmw_du_cleanup(struct vmw_display_unit
*du
)
40 drm_plane_cleanup(&du
->primary
);
41 drm_plane_cleanup(&du
->cursor
);
43 drm_connector_unregister(&du
->connector
);
44 drm_crtc_cleanup(&du
->crtc
);
45 drm_encoder_cleanup(&du
->encoder
);
46 drm_connector_cleanup(&du
->connector
);
50 * Display Unit Cursor functions
53 static int vmw_cursor_update_image(struct vmw_private
*dev_priv
,
54 u32
*image
, u32 width
, u32 height
,
55 u32 hotspotX
, u32 hotspotY
)
59 SVGAFifoCmdDefineAlphaCursor cursor
;
61 u32 image_size
= width
* height
* 4;
62 u32 cmd_size
= sizeof(*cmd
) + image_size
;
67 cmd
= vmw_fifo_reserve(dev_priv
, cmd_size
);
68 if (unlikely(cmd
== NULL
)) {
69 DRM_ERROR("Fifo reserve failed.\n");
73 memset(cmd
, 0, sizeof(*cmd
));
75 memcpy(&cmd
[1], image
, image_size
);
77 cmd
->cmd
= SVGA_CMD_DEFINE_ALPHA_CURSOR
;
79 cmd
->cursor
.width
= width
;
80 cmd
->cursor
.height
= height
;
81 cmd
->cursor
.hotspotX
= hotspotX
;
82 cmd
->cursor
.hotspotY
= hotspotY
;
84 vmw_fifo_commit_flush(dev_priv
, cmd_size
);
89 static int vmw_cursor_update_dmabuf(struct vmw_private
*dev_priv
,
90 struct vmw_dma_buffer
*dmabuf
,
91 u32 width
, u32 height
,
92 u32 hotspotX
, u32 hotspotY
)
94 struct ttm_bo_kmap_obj map
;
95 unsigned long kmap_offset
;
96 unsigned long kmap_num
;
102 kmap_num
= (width
*height
*4 + PAGE_SIZE
- 1) >> PAGE_SHIFT
;
104 ret
= ttm_bo_reserve(&dmabuf
->base
, true, false, NULL
);
105 if (unlikely(ret
!= 0)) {
106 DRM_ERROR("reserve failed\n");
110 ret
= ttm_bo_kmap(&dmabuf
->base
, kmap_offset
, kmap_num
, &map
);
111 if (unlikely(ret
!= 0))
114 virtual = ttm_kmap_obj_virtual(&map
, &dummy
);
115 ret
= vmw_cursor_update_image(dev_priv
, virtual, width
, height
,
120 ttm_bo_unreserve(&dmabuf
->base
);
126 static void vmw_cursor_update_position(struct vmw_private
*dev_priv
,
127 bool show
, int x
, int y
)
129 u32
*fifo_mem
= dev_priv
->mmio_virt
;
132 spin_lock(&dev_priv
->cursor_lock
);
133 vmw_mmio_write(show
? 1 : 0, fifo_mem
+ SVGA_FIFO_CURSOR_ON
);
134 vmw_mmio_write(x
, fifo_mem
+ SVGA_FIFO_CURSOR_X
);
135 vmw_mmio_write(y
, fifo_mem
+ SVGA_FIFO_CURSOR_Y
);
136 count
= vmw_mmio_read(fifo_mem
+ SVGA_FIFO_CURSOR_COUNT
);
137 vmw_mmio_write(++count
, fifo_mem
+ SVGA_FIFO_CURSOR_COUNT
);
138 spin_unlock(&dev_priv
->cursor_lock
);
142 void vmw_kms_cursor_snoop(struct vmw_surface
*srf
,
143 struct ttm_object_file
*tfile
,
144 struct ttm_buffer_object
*bo
,
145 SVGA3dCmdHeader
*header
)
147 struct ttm_bo_kmap_obj map
;
148 unsigned long kmap_offset
;
149 unsigned long kmap_num
;
155 SVGA3dCmdHeader header
;
156 SVGA3dCmdSurfaceDMA dma
;
160 cmd
= container_of(header
, struct vmw_dma_cmd
, header
);
162 /* No snooper installed */
163 if (!srf
->snooper
.image
)
166 if (cmd
->dma
.host
.face
!= 0 || cmd
->dma
.host
.mipmap
!= 0) {
167 DRM_ERROR("face and mipmap for cursors should never != 0\n");
171 if (cmd
->header
.size
< 64) {
172 DRM_ERROR("at least one full copy box must be given\n");
176 box
= (SVGA3dCopyBox
*)&cmd
[1];
177 box_count
= (cmd
->header
.size
- sizeof(SVGA3dCmdSurfaceDMA
)) /
178 sizeof(SVGA3dCopyBox
);
180 if (cmd
->dma
.guest
.ptr
.offset
% PAGE_SIZE
||
181 box
->x
!= 0 || box
->y
!= 0 || box
->z
!= 0 ||
182 box
->srcx
!= 0 || box
->srcy
!= 0 || box
->srcz
!= 0 ||
183 box
->d
!= 1 || box_count
!= 1) {
184 /* TODO handle none page aligned offsets */
185 /* TODO handle more dst & src != 0 */
186 /* TODO handle more then one copy */
187 DRM_ERROR("Cant snoop dma request for cursor!\n");
188 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
189 box
->srcx
, box
->srcy
, box
->srcz
,
190 box
->x
, box
->y
, box
->z
,
191 box
->w
, box
->h
, box
->d
, box_count
,
192 cmd
->dma
.guest
.ptr
.offset
);
196 kmap_offset
= cmd
->dma
.guest
.ptr
.offset
>> PAGE_SHIFT
;
197 kmap_num
= (64*64*4) >> PAGE_SHIFT
;
199 ret
= ttm_bo_reserve(bo
, true, false, NULL
);
200 if (unlikely(ret
!= 0)) {
201 DRM_ERROR("reserve failed\n");
205 ret
= ttm_bo_kmap(bo
, kmap_offset
, kmap_num
, &map
);
206 if (unlikely(ret
!= 0))
209 virtual = ttm_kmap_obj_virtual(&map
, &dummy
);
211 if (box
->w
== 64 && cmd
->dma
.guest
.pitch
== 64*4) {
212 memcpy(srf
->snooper
.image
, virtual, 64*64*4);
214 /* Image is unsigned pointer. */
215 for (i
= 0; i
< box
->h
; i
++)
216 memcpy(srf
->snooper
.image
+ i
* 64,
217 virtual + i
* cmd
->dma
.guest
.pitch
,
225 ttm_bo_unreserve(bo
);
229 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
231 * @dev_priv: Pointer to the device private struct.
233 * Clears all legacy hotspots.
235 void vmw_kms_legacy_hotspot_clear(struct vmw_private
*dev_priv
)
237 struct drm_device
*dev
= dev_priv
->dev
;
238 struct vmw_display_unit
*du
;
239 struct drm_crtc
*crtc
;
241 drm_modeset_lock_all(dev
);
242 drm_for_each_crtc(crtc
, dev
) {
243 du
= vmw_crtc_to_du(crtc
);
248 drm_modeset_unlock_all(dev
);
251 void vmw_kms_cursor_post_execbuf(struct vmw_private
*dev_priv
)
253 struct drm_device
*dev
= dev_priv
->dev
;
254 struct vmw_display_unit
*du
;
255 struct drm_crtc
*crtc
;
257 mutex_lock(&dev
->mode_config
.mutex
);
259 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
260 du
= vmw_crtc_to_du(crtc
);
261 if (!du
->cursor_surface
||
262 du
->cursor_age
== du
->cursor_surface
->snooper
.age
)
265 du
->cursor_age
= du
->cursor_surface
->snooper
.age
;
266 vmw_cursor_update_image(dev_priv
,
267 du
->cursor_surface
->snooper
.image
,
269 du
->hotspot_x
+ du
->core_hotspot_x
,
270 du
->hotspot_y
+ du
->core_hotspot_y
);
273 mutex_unlock(&dev
->mode_config
.mutex
);
277 void vmw_du_cursor_plane_destroy(struct drm_plane
*plane
)
279 vmw_cursor_update_position(plane
->dev
->dev_private
, false, 0, 0);
281 drm_plane_cleanup(plane
);
285 void vmw_du_primary_plane_destroy(struct drm_plane
*plane
)
287 drm_plane_cleanup(plane
);
289 /* Planes are static in our case so we don't free it */
294 * vmw_du_vps_unpin_surf - unpins resource associated with a framebuffer surface
296 * @vps: plane state associated with the display surface
297 * @unreference: true if we also want to unreference the display.
299 void vmw_du_plane_unpin_surf(struct vmw_plane_state
*vps
,
304 vmw_resource_unpin(&vps
->surf
->res
);
310 DRM_ERROR("Surface still pinned\n");
311 vmw_surface_unreference(&vps
->surf
);
318 * vmw_du_plane_cleanup_fb - Unpins the cursor
320 * @plane: display plane
321 * @old_state: Contains the FB to clean up
323 * Unpins the framebuffer surface
325 * Returns 0 on success
328 vmw_du_plane_cleanup_fb(struct drm_plane
*plane
,
329 struct drm_plane_state
*old_state
)
331 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(old_state
);
333 vmw_du_plane_unpin_surf(vps
, false);
338 * vmw_du_cursor_plane_prepare_fb - Readies the cursor by referencing it
340 * @plane: display plane
341 * @new_state: info on the new plane state, including the FB
343 * Returns 0 on success
346 vmw_du_cursor_plane_prepare_fb(struct drm_plane
*plane
,
347 struct drm_plane_state
*new_state
)
349 struct drm_framebuffer
*fb
= new_state
->fb
;
350 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(new_state
);
354 vmw_surface_unreference(&vps
->surf
);
357 vmw_dmabuf_unreference(&vps
->dmabuf
);
360 if (vmw_framebuffer_to_vfb(fb
)->dmabuf
) {
361 vps
->dmabuf
= vmw_framebuffer_to_vfbd(fb
)->buffer
;
362 vmw_dmabuf_reference(vps
->dmabuf
);
364 vps
->surf
= vmw_framebuffer_to_vfbs(fb
)->surface
;
365 vmw_surface_reference(vps
->surf
);
374 vmw_du_cursor_plane_atomic_update(struct drm_plane
*plane
,
375 struct drm_plane_state
*old_state
)
377 struct drm_crtc
*crtc
= plane
->state
->crtc
?: old_state
->crtc
;
378 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
379 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
380 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(plane
->state
);
381 s32 hotspot_x
, hotspot_y
;
385 hotspot_x
= du
->hotspot_x
;
386 hotspot_y
= du
->hotspot_y
;
389 hotspot_x
+= plane
->fb
->hot_x
;
390 hotspot_y
+= plane
->fb
->hot_y
;
393 du
->cursor_surface
= vps
->surf
;
394 du
->cursor_dmabuf
= vps
->dmabuf
;
396 /* setup new image */
398 du
->cursor_age
= du
->cursor_surface
->snooper
.age
;
400 ret
= vmw_cursor_update_image(dev_priv
,
401 vps
->surf
->snooper
.image
,
402 64, 64, hotspot_x
, hotspot_y
);
403 } else if (vps
->dmabuf
) {
404 ret
= vmw_cursor_update_dmabuf(dev_priv
, vps
->dmabuf
,
405 plane
->state
->crtc_w
,
406 plane
->state
->crtc_h
,
407 hotspot_x
, hotspot_y
);
409 vmw_cursor_update_position(dev_priv
, false, 0, 0);
414 du
->cursor_x
= plane
->state
->crtc_x
+ du
->set_gui_x
;
415 du
->cursor_y
= plane
->state
->crtc_y
+ du
->set_gui_y
;
417 vmw_cursor_update_position(dev_priv
, true,
418 du
->cursor_x
+ hotspot_x
,
419 du
->cursor_y
+ hotspot_y
);
421 du
->core_hotspot_x
= hotspot_x
- du
->hotspot_x
;
422 du
->core_hotspot_y
= hotspot_y
- du
->hotspot_y
;
424 DRM_ERROR("Failed to update cursor image\n");
430 * vmw_du_primary_plane_atomic_check - check if the new state is okay
432 * @plane: display plane
433 * @state: info on the new plane state, including the FB
435 * Check if the new state is settable given the current state. Other
436 * than what the atomic helper checks, we care about crtc fitting
437 * the FB and maintaining one active framebuffer.
439 * Returns 0 on success
441 int vmw_du_primary_plane_atomic_check(struct drm_plane
*plane
,
442 struct drm_plane_state
*state
)
444 struct drm_framebuffer
*new_fb
= state
->fb
;
447 struct drm_rect src
= {
450 .x2
= state
->src_x
+ state
->src_w
,
451 .y2
= state
->src_y
+ state
->src_h
,
453 struct drm_rect dest
= {
456 .x2
= state
->crtc_x
+ state
->crtc_w
,
457 .y2
= state
->crtc_y
+ state
->crtc_h
,
459 struct drm_rect clip
= dest
;
462 ret
= drm_plane_helper_check_update(plane
, state
->crtc
, new_fb
,
465 DRM_PLANE_HELPER_NO_SCALING
,
466 DRM_PLANE_HELPER_NO_SCALING
,
467 false, true, &visible
);
470 if (!ret
&& new_fb
) {
471 struct drm_crtc
*crtc
= state
->crtc
;
472 struct vmw_connector_state
*vcs
;
473 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
474 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
475 struct vmw_framebuffer
*vfb
= vmw_framebuffer_to_vfb(new_fb
);
477 vcs
= vmw_connector_state_to_vcs(du
->connector
.state
);
479 if ((dest
.x2
> new_fb
->width
||
480 dest
.y2
> new_fb
->height
)) {
481 DRM_ERROR("CRTC area outside of framebuffer\n");
485 /* Only one active implicit framebuffer at a time. */
486 mutex_lock(&dev_priv
->global_kms_state_mutex
);
487 if (vcs
->is_implicit
&& dev_priv
->implicit_fb
&&
488 !(dev_priv
->num_implicit
== 1 && du
->active_implicit
)
489 && dev_priv
->implicit_fb
!= vfb
) {
490 DRM_ERROR("Multiple implicit framebuffers "
494 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
503 * vmw_du_cursor_plane_atomic_check - check if the new state is okay
505 * @plane: cursor plane
506 * @state: info on the new plane state
508 * This is a chance to fail if the new cursor state does not fit
511 * Returns 0 on success
513 int vmw_du_cursor_plane_atomic_check(struct drm_plane
*plane
,
514 struct drm_plane_state
*new_state
)
517 struct vmw_surface
*surface
= NULL
;
518 struct drm_framebuffer
*fb
= new_state
->fb
;
525 /* A lot of the code assumes this */
526 if (new_state
->crtc_w
!= 64 || new_state
->crtc_h
!= 64) {
527 DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
528 new_state
->crtc_w
, new_state
->crtc_h
);
532 if (!vmw_framebuffer_to_vfb(fb
)->dmabuf
)
533 surface
= vmw_framebuffer_to_vfbs(fb
)->surface
;
535 if (surface
&& !surface
->snooper
.image
) {
536 DRM_ERROR("surface not suitable for cursor\n");
544 int vmw_du_crtc_atomic_check(struct drm_crtc
*crtc
,
545 struct drm_crtc_state
*new_state
)
547 struct vmw_display_unit
*du
= vmw_crtc_to_du(new_state
->crtc
);
548 int connector_mask
= 1 << drm_connector_index(&du
->connector
);
549 bool has_primary
= new_state
->plane_mask
&
550 BIT(drm_plane_index(crtc
->primary
));
552 /* We always want to have an active plane with an active CRTC */
553 if (has_primary
!= new_state
->enable
)
557 if (new_state
->connector_mask
!= connector_mask
&&
558 new_state
->connector_mask
!= 0) {
559 DRM_ERROR("Invalid connectors configuration\n");
564 * Our virtual device does not have a dot clock, so use the logical
565 * clock value as the dot clock.
567 if (new_state
->mode
.crtc_clock
== 0)
568 new_state
->adjusted_mode
.crtc_clock
= new_state
->mode
.clock
;
574 void vmw_du_crtc_atomic_begin(struct drm_crtc
*crtc
,
575 struct drm_crtc_state
*old_crtc_state
)
580 void vmw_du_crtc_atomic_flush(struct drm_crtc
*crtc
,
581 struct drm_crtc_state
*old_crtc_state
)
583 struct drm_pending_vblank_event
*event
= crtc
->state
->event
;
586 crtc
->state
->event
= NULL
;
588 spin_lock_irq(&crtc
->dev
->event_lock
);
589 if (drm_crtc_vblank_get(crtc
) == 0)
590 drm_crtc_arm_vblank_event(crtc
, event
);
592 drm_crtc_send_vblank_event(crtc
, event
);
593 spin_unlock_irq(&crtc
->dev
->event_lock
);
600 * vmw_du_crtc_duplicate_state - duplicate crtc state
603 * Allocates and returns a copy of the crtc state (both common and
604 * vmw-specific) for the specified crtc.
606 * Returns: The newly allocated crtc state, or NULL on failure.
608 struct drm_crtc_state
*
609 vmw_du_crtc_duplicate_state(struct drm_crtc
*crtc
)
611 struct drm_crtc_state
*state
;
612 struct vmw_crtc_state
*vcs
;
614 if (WARN_ON(!crtc
->state
))
617 vcs
= kmemdup(crtc
->state
, sizeof(*vcs
), GFP_KERNEL
);
624 __drm_atomic_helper_crtc_duplicate_state(crtc
, state
);
631 * vmw_du_crtc_reset - creates a blank vmw crtc state
634 * Resets the atomic state for @crtc by freeing the state pointer (which
635 * might be NULL, e.g. at driver load time) and allocating a new empty state
638 void vmw_du_crtc_reset(struct drm_crtc
*crtc
)
640 struct vmw_crtc_state
*vcs
;
644 __drm_atomic_helper_crtc_destroy_state(crtc
->state
);
646 kfree(vmw_crtc_state_to_vcs(crtc
->state
));
649 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
652 DRM_ERROR("Cannot allocate vmw_crtc_state\n");
656 crtc
->state
= &vcs
->base
;
657 crtc
->state
->crtc
= crtc
;
662 * vmw_du_crtc_destroy_state - destroy crtc state
664 * @state: state object to destroy
666 * Destroys the crtc state (both common and vmw-specific) for the
670 vmw_du_crtc_destroy_state(struct drm_crtc
*crtc
,
671 struct drm_crtc_state
*state
)
673 drm_atomic_helper_crtc_destroy_state(crtc
, state
);
678 * vmw_du_plane_duplicate_state - duplicate plane state
681 * Allocates and returns a copy of the plane state (both common and
682 * vmw-specific) for the specified plane.
684 * Returns: The newly allocated plane state, or NULL on failure.
686 struct drm_plane_state
*
687 vmw_du_plane_duplicate_state(struct drm_plane
*plane
)
689 struct drm_plane_state
*state
;
690 struct vmw_plane_state
*vps
;
692 vps
= kmemdup(plane
->state
, sizeof(*vps
), GFP_KERNEL
);
699 /* Mapping is managed by prepare_fb/cleanup_fb */
700 memset(&vps
->guest_map
, 0, sizeof(vps
->guest_map
));
701 memset(&vps
->host_map
, 0, sizeof(vps
->host_map
));
704 /* Each ref counted resource needs to be acquired again */
706 (void) vmw_surface_reference(vps
->surf
);
709 (void) vmw_dmabuf_reference(vps
->dmabuf
);
713 __drm_atomic_helper_plane_duplicate_state(plane
, state
);
720 * vmw_du_plane_reset - creates a blank vmw plane state
723 * Resets the atomic state for @plane by freeing the state pointer (which might
724 * be NULL, e.g. at driver load time) and allocating a new empty state object.
726 void vmw_du_plane_reset(struct drm_plane
*plane
)
728 struct vmw_plane_state
*vps
;
732 vmw_du_plane_destroy_state(plane
, plane
->state
);
734 vps
= kzalloc(sizeof(*vps
), GFP_KERNEL
);
737 DRM_ERROR("Cannot allocate vmw_plane_state\n");
741 plane
->state
= &vps
->base
;
742 plane
->state
->plane
= plane
;
743 plane
->state
->rotation
= DRM_MODE_ROTATE_0
;
748 * vmw_du_plane_destroy_state - destroy plane state
750 * @state: state object to destroy
752 * Destroys the plane state (both common and vmw-specific) for the
756 vmw_du_plane_destroy_state(struct drm_plane
*plane
,
757 struct drm_plane_state
*state
)
759 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(state
);
762 /* Should have been freed by cleanup_fb */
763 if (vps
->guest_map
.virtual) {
764 DRM_ERROR("Guest mapping not freed\n");
765 ttm_bo_kunmap(&vps
->guest_map
);
768 if (vps
->host_map
.virtual) {
769 DRM_ERROR("Host mapping not freed\n");
770 ttm_bo_kunmap(&vps
->host_map
);
774 vmw_surface_unreference(&vps
->surf
);
777 vmw_dmabuf_unreference(&vps
->dmabuf
);
779 drm_atomic_helper_plane_destroy_state(plane
, state
);
784 * vmw_du_connector_duplicate_state - duplicate connector state
785 * @connector: DRM connector
787 * Allocates and returns a copy of the connector state (both common and
788 * vmw-specific) for the specified connector.
790 * Returns: The newly allocated connector state, or NULL on failure.
792 struct drm_connector_state
*
793 vmw_du_connector_duplicate_state(struct drm_connector
*connector
)
795 struct drm_connector_state
*state
;
796 struct vmw_connector_state
*vcs
;
798 if (WARN_ON(!connector
->state
))
801 vcs
= kmemdup(connector
->state
, sizeof(*vcs
), GFP_KERNEL
);
808 __drm_atomic_helper_connector_duplicate_state(connector
, state
);
815 * vmw_du_connector_reset - creates a blank vmw connector state
816 * @connector: DRM connector
818 * Resets the atomic state for @connector by freeing the state pointer (which
819 * might be NULL, e.g. at driver load time) and allocating a new empty state
822 void vmw_du_connector_reset(struct drm_connector
*connector
)
824 struct vmw_connector_state
*vcs
;
827 if (connector
->state
) {
828 __drm_atomic_helper_connector_destroy_state(connector
->state
);
830 kfree(vmw_connector_state_to_vcs(connector
->state
));
833 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
836 DRM_ERROR("Cannot allocate vmw_connector_state\n");
840 __drm_atomic_helper_connector_reset(connector
, &vcs
->base
);
845 * vmw_du_connector_destroy_state - destroy connector state
846 * @connector: DRM connector
847 * @state: state object to destroy
849 * Destroys the connector state (both common and vmw-specific) for the
853 vmw_du_connector_destroy_state(struct drm_connector
*connector
,
854 struct drm_connector_state
*state
)
856 drm_atomic_helper_connector_destroy_state(connector
, state
);
859 * Generic framebuffer code
863 * Surface framebuffer code
866 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer
*framebuffer
)
868 struct vmw_framebuffer_surface
*vfbs
=
869 vmw_framebuffer_to_vfbs(framebuffer
);
871 drm_framebuffer_cleanup(framebuffer
);
872 vmw_surface_unreference(&vfbs
->surface
);
873 if (vfbs
->base
.user_obj
)
874 ttm_base_object_unref(&vfbs
->base
.user_obj
);
879 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer
*framebuffer
,
880 struct drm_file
*file_priv
,
881 unsigned flags
, unsigned color
,
882 struct drm_clip_rect
*clips
,
885 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
886 struct vmw_framebuffer_surface
*vfbs
=
887 vmw_framebuffer_to_vfbs(framebuffer
);
888 struct drm_clip_rect norect
;
891 /* Legacy Display Unit does not support 3D */
892 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
895 drm_modeset_lock_all(dev_priv
->dev
);
897 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
898 if (unlikely(ret
!= 0)) {
899 drm_modeset_unlock_all(dev_priv
->dev
);
906 norect
.x1
= norect
.y1
= 0;
907 norect
.x2
= framebuffer
->width
;
908 norect
.y2
= framebuffer
->height
;
909 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
911 inc
= 2; /* skip source rects */
914 if (dev_priv
->active_display_unit
== vmw_du_screen_object
)
915 ret
= vmw_kms_sou_do_surface_dirty(dev_priv
, &vfbs
->base
,
916 clips
, NULL
, NULL
, 0, 0,
917 num_clips
, inc
, NULL
);
919 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, &vfbs
->base
,
920 clips
, NULL
, NULL
, 0, 0,
921 num_clips
, inc
, NULL
);
923 vmw_fifo_flush(dev_priv
, false);
924 ttm_read_unlock(&dev_priv
->reservation_sem
);
926 drm_modeset_unlock_all(dev_priv
->dev
);
932 * vmw_kms_readback - Perform a readback from the screen system to
933 * a dma-buffer backed framebuffer.
935 * @dev_priv: Pointer to the device private structure.
936 * @file_priv: Pointer to a struct drm_file identifying the caller.
937 * Must be set to NULL if @user_fence_rep is NULL.
938 * @vfb: Pointer to the dma-buffer backed framebuffer.
939 * @user_fence_rep: User-space provided structure for fence information.
940 * Must be set to non-NULL if @file_priv is non-NULL.
941 * @vclips: Array of clip rects.
942 * @num_clips: Number of clip rects in @vclips.
944 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
947 int vmw_kms_readback(struct vmw_private
*dev_priv
,
948 struct drm_file
*file_priv
,
949 struct vmw_framebuffer
*vfb
,
950 struct drm_vmw_fence_rep __user
*user_fence_rep
,
951 struct drm_vmw_rect
*vclips
,
954 switch (dev_priv
->active_display_unit
) {
955 case vmw_du_screen_object
:
956 return vmw_kms_sou_readback(dev_priv
, file_priv
, vfb
,
957 user_fence_rep
, vclips
, num_clips
);
958 case vmw_du_screen_target
:
959 return vmw_kms_stdu_dma(dev_priv
, file_priv
, vfb
,
960 user_fence_rep
, NULL
, vclips
, num_clips
,
964 "Readback called with invalid display system.\n");
971 static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs
= {
972 .destroy
= vmw_framebuffer_surface_destroy
,
973 .dirty
= vmw_framebuffer_surface_dirty
,
976 static int vmw_kms_new_framebuffer_surface(struct vmw_private
*dev_priv
,
977 struct vmw_surface
*surface
,
978 struct vmw_framebuffer
**out
,
979 const struct drm_mode_fb_cmd2
981 bool is_dmabuf_proxy
)
984 struct drm_device
*dev
= dev_priv
->dev
;
985 struct vmw_framebuffer_surface
*vfbs
;
986 enum SVGA3dSurfaceFormat format
;
988 struct drm_format_name_buf format_name
;
990 /* 3D is only supported on HWv8 and newer hosts */
991 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
998 /* Surface must be marked as a scanout. */
999 if (unlikely(!surface
->scanout
))
1002 if (unlikely(surface
->mip_levels
[0] != 1 ||
1003 surface
->num_sizes
!= 1 ||
1004 surface
->base_size
.width
< mode_cmd
->width
||
1005 surface
->base_size
.height
< mode_cmd
->height
||
1006 surface
->base_size
.depth
!= 1)) {
1007 DRM_ERROR("Incompatible surface dimensions "
1008 "for requested mode.\n");
1012 switch (mode_cmd
->pixel_format
) {
1013 case DRM_FORMAT_ARGB8888
:
1014 format
= SVGA3D_A8R8G8B8
;
1016 case DRM_FORMAT_XRGB8888
:
1017 format
= SVGA3D_X8R8G8B8
;
1019 case DRM_FORMAT_RGB565
:
1020 format
= SVGA3D_R5G6B5
;
1022 case DRM_FORMAT_XRGB1555
:
1023 format
= SVGA3D_A1R5G5B5
;
1026 DRM_ERROR("Invalid pixel format: %s\n",
1027 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1032 * For DX, surface format validation is done when surface->scanout
1035 if (!dev_priv
->has_dx
&& format
!= surface
->format
) {
1036 DRM_ERROR("Invalid surface format for requested mode.\n");
1040 vfbs
= kzalloc(sizeof(*vfbs
), GFP_KERNEL
);
1046 drm_helper_mode_fill_fb_struct(dev
, &vfbs
->base
.base
, mode_cmd
);
1047 vfbs
->surface
= vmw_surface_reference(surface
);
1048 vfbs
->base
.user_handle
= mode_cmd
->handles
[0];
1049 vfbs
->is_dmabuf_proxy
= is_dmabuf_proxy
;
1053 ret
= drm_framebuffer_init(dev
, &vfbs
->base
.base
,
1054 &vmw_framebuffer_surface_funcs
);
1061 vmw_surface_unreference(&surface
);
1068 * Dmabuf framebuffer code
1071 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer
*framebuffer
)
1073 struct vmw_framebuffer_dmabuf
*vfbd
=
1074 vmw_framebuffer_to_vfbd(framebuffer
);
1076 drm_framebuffer_cleanup(framebuffer
);
1077 vmw_dmabuf_unreference(&vfbd
->buffer
);
1078 if (vfbd
->base
.user_obj
)
1079 ttm_base_object_unref(&vfbd
->base
.user_obj
);
1084 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer
*framebuffer
,
1085 struct drm_file
*file_priv
,
1086 unsigned flags
, unsigned color
,
1087 struct drm_clip_rect
*clips
,
1090 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
1091 struct vmw_framebuffer_dmabuf
*vfbd
=
1092 vmw_framebuffer_to_vfbd(framebuffer
);
1093 struct drm_clip_rect norect
;
1094 int ret
, increment
= 1;
1096 drm_modeset_lock_all(dev_priv
->dev
);
1098 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
1099 if (unlikely(ret
!= 0)) {
1100 drm_modeset_unlock_all(dev_priv
->dev
);
1107 norect
.x1
= norect
.y1
= 0;
1108 norect
.x2
= framebuffer
->width
;
1109 norect
.y2
= framebuffer
->height
;
1110 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
1115 switch (dev_priv
->active_display_unit
) {
1116 case vmw_du_screen_target
:
1117 ret
= vmw_kms_stdu_dma(dev_priv
, NULL
, &vfbd
->base
, NULL
,
1118 clips
, NULL
, num_clips
, increment
,
1121 case vmw_du_screen_object
:
1122 ret
= vmw_kms_sou_do_dmabuf_dirty(dev_priv
, &vfbd
->base
,
1123 clips
, NULL
, num_clips
,
1124 increment
, true, NULL
);
1127 ret
= vmw_kms_ldu_do_dmabuf_dirty(dev_priv
, &vfbd
->base
, 0, 0,
1128 clips
, num_clips
, increment
);
1132 WARN_ONCE(true, "Dirty called with invalid display system.\n");
1136 vmw_fifo_flush(dev_priv
, false);
1137 ttm_read_unlock(&dev_priv
->reservation_sem
);
1139 drm_modeset_unlock_all(dev_priv
->dev
);
1144 static const struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs
= {
1145 .destroy
= vmw_framebuffer_dmabuf_destroy
,
1146 .dirty
= vmw_framebuffer_dmabuf_dirty
,
1150 * Pin the dmabuffer to the start of vram.
1152 static int vmw_framebuffer_pin(struct vmw_framebuffer
*vfb
)
1154 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1155 struct vmw_dma_buffer
*buf
;
1158 buf
= vfb
->dmabuf
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1159 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1164 switch (dev_priv
->active_display_unit
) {
1166 vmw_overlay_pause_all(dev_priv
);
1167 ret
= vmw_dmabuf_pin_in_start_of_vram(dev_priv
, buf
, false);
1168 vmw_overlay_resume_all(dev_priv
);
1170 case vmw_du_screen_object
:
1171 case vmw_du_screen_target
:
1173 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv
, buf
,
1176 return vmw_dmabuf_pin_in_placement(dev_priv
, buf
,
1177 &vmw_mob_placement
, false);
1185 static int vmw_framebuffer_unpin(struct vmw_framebuffer
*vfb
)
1187 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1188 struct vmw_dma_buffer
*buf
;
1190 buf
= vfb
->dmabuf
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1191 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1196 return vmw_dmabuf_unpin(dev_priv
, buf
, false);
1200 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
1203 * @mode_cmd: parameters for the new surface
1204 * @dmabuf_mob: MOB backing the DMA buf
1205 * @srf_out: newly created surface
1207 * When the content FB is a DMA buf, we create a surface as a proxy to the
1208 * same buffer. This way we can do a surface copy rather than a surface DMA.
1209 * This is a more efficient approach
1212 * 0 on success, error code otherwise
1214 static int vmw_create_dmabuf_proxy(struct drm_device
*dev
,
1215 const struct drm_mode_fb_cmd2
*mode_cmd
,
1216 struct vmw_dma_buffer
*dmabuf_mob
,
1217 struct vmw_surface
**srf_out
)
1220 struct drm_vmw_size content_base_size
= {0};
1221 struct vmw_resource
*res
;
1222 unsigned int bytes_pp
;
1223 struct drm_format_name_buf format_name
;
1226 switch (mode_cmd
->pixel_format
) {
1227 case DRM_FORMAT_ARGB8888
:
1228 case DRM_FORMAT_XRGB8888
:
1229 format
= SVGA3D_X8R8G8B8
;
1233 case DRM_FORMAT_RGB565
:
1234 case DRM_FORMAT_XRGB1555
:
1235 format
= SVGA3D_R5G6B5
;
1245 DRM_ERROR("Invalid framebuffer format %s\n",
1246 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1250 content_base_size
.width
= mode_cmd
->pitches
[0] / bytes_pp
;
1251 content_base_size
.height
= mode_cmd
->height
;
1252 content_base_size
.depth
= 1;
1254 ret
= vmw_surface_gb_priv_define(dev
,
1255 0, /* kernel visible only */
1258 true, /* can be a scanout buffer */
1259 1, /* num of mip levels */
1265 DRM_ERROR("Failed to allocate proxy content buffer\n");
1269 res
= &(*srf_out
)->res
;
1271 /* Reserve and switch the backing mob. */
1272 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
1273 (void) vmw_resource_reserve(res
, false, true);
1274 vmw_dmabuf_unreference(&res
->backup
);
1275 res
->backup
= vmw_dmabuf_reference(dmabuf_mob
);
1276 res
->backup_offset
= 0;
1277 vmw_resource_unreserve(res
, false, NULL
, 0);
1278 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
1285 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private
*dev_priv
,
1286 struct vmw_dma_buffer
*dmabuf
,
1287 struct vmw_framebuffer
**out
,
1288 const struct drm_mode_fb_cmd2
1292 struct drm_device
*dev
= dev_priv
->dev
;
1293 struct vmw_framebuffer_dmabuf
*vfbd
;
1294 unsigned int requested_size
;
1295 struct drm_format_name_buf format_name
;
1298 requested_size
= mode_cmd
->height
* mode_cmd
->pitches
[0];
1299 if (unlikely(requested_size
> dmabuf
->base
.num_pages
* PAGE_SIZE
)) {
1300 DRM_ERROR("Screen buffer object size is too small "
1301 "for requested mode.\n");
1305 /* Limited framebuffer color depth support for screen objects */
1306 if (dev_priv
->active_display_unit
== vmw_du_screen_object
) {
1307 switch (mode_cmd
->pixel_format
) {
1308 case DRM_FORMAT_XRGB8888
:
1309 case DRM_FORMAT_ARGB8888
:
1311 case DRM_FORMAT_XRGB1555
:
1312 case DRM_FORMAT_RGB565
:
1315 DRM_ERROR("Invalid pixel format: %s\n",
1316 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1321 vfbd
= kzalloc(sizeof(*vfbd
), GFP_KERNEL
);
1327 drm_helper_mode_fill_fb_struct(dev
, &vfbd
->base
.base
, mode_cmd
);
1328 vfbd
->base
.dmabuf
= true;
1329 vfbd
->buffer
= vmw_dmabuf_reference(dmabuf
);
1330 vfbd
->base
.user_handle
= mode_cmd
->handles
[0];
1333 ret
= drm_framebuffer_init(dev
, &vfbd
->base
.base
,
1334 &vmw_framebuffer_dmabuf_funcs
);
1341 vmw_dmabuf_unreference(&dmabuf
);
1349 * vmw_kms_srf_ok - check if a surface can be created
1351 * @width: requested width
1352 * @height: requested height
1354 * Surfaces need to be less than texture size
1357 vmw_kms_srf_ok(struct vmw_private
*dev_priv
, uint32_t width
, uint32_t height
)
1359 if (width
> dev_priv
->texture_max_width
||
1360 height
> dev_priv
->texture_max_height
)
1367 * vmw_kms_new_framebuffer - Create a new framebuffer.
1369 * @dev_priv: Pointer to device private struct.
1370 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
1371 * Either @dmabuf or @surface must be NULL.
1372 * @surface: Pointer to a surface to wrap the kms framebuffer around.
1373 * Either @dmabuf or @surface must be NULL.
1374 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
1375 * Helps the code to do some important optimizations.
1376 * @mode_cmd: Frame-buffer metadata.
1378 struct vmw_framebuffer
*
1379 vmw_kms_new_framebuffer(struct vmw_private
*dev_priv
,
1380 struct vmw_dma_buffer
*dmabuf
,
1381 struct vmw_surface
*surface
,
1383 const struct drm_mode_fb_cmd2
*mode_cmd
)
1385 struct vmw_framebuffer
*vfb
= NULL
;
1386 bool is_dmabuf_proxy
= false;
1390 * We cannot use the SurfaceDMA command in an non-accelerated VM,
1391 * therefore, wrap the DMA buf in a surface so we can use the
1392 * SurfaceCopy command.
1394 if (vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
) &&
1395 dmabuf
&& only_2d
&&
1396 mode_cmd
->width
> 64 && /* Don't create a proxy for cursor */
1397 dev_priv
->active_display_unit
== vmw_du_screen_target
) {
1398 ret
= vmw_create_dmabuf_proxy(dev_priv
->dev
, mode_cmd
,
1401 return ERR_PTR(ret
);
1403 is_dmabuf_proxy
= true;
1406 /* Create the new framebuffer depending one what we have */
1408 ret
= vmw_kms_new_framebuffer_surface(dev_priv
, surface
, &vfb
,
1413 * vmw_create_dmabuf_proxy() adds a reference that is no longer
1416 if (is_dmabuf_proxy
)
1417 vmw_surface_unreference(&surface
);
1418 } else if (dmabuf
) {
1419 ret
= vmw_kms_new_framebuffer_dmabuf(dev_priv
, dmabuf
, &vfb
,
1426 return ERR_PTR(ret
);
1428 vfb
->pin
= vmw_framebuffer_pin
;
1429 vfb
->unpin
= vmw_framebuffer_unpin
;
1435 * Generic Kernel modesetting functions
1438 static struct drm_framebuffer
*vmw_kms_fb_create(struct drm_device
*dev
,
1439 struct drm_file
*file_priv
,
1440 const struct drm_mode_fb_cmd2
*mode_cmd
)
1442 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1443 struct ttm_object_file
*tfile
= vmw_fpriv(file_priv
)->tfile
;
1444 struct vmw_framebuffer
*vfb
= NULL
;
1445 struct vmw_surface
*surface
= NULL
;
1446 struct vmw_dma_buffer
*bo
= NULL
;
1447 struct ttm_base_object
*user_obj
;
1451 * This code should be conditioned on Screen Objects not being used.
1452 * If screen objects are used, we can allocate a GMR to hold the
1453 * requested framebuffer.
1456 if (!vmw_kms_validate_mode_vram(dev_priv
,
1457 mode_cmd
->pitches
[0],
1458 mode_cmd
->height
)) {
1459 DRM_ERROR("Requested mode exceed bounding box limit.\n");
1460 return ERR_PTR(-ENOMEM
);
1464 * Take a reference on the user object of the resource
1465 * backing the kms fb. This ensures that user-space handle
1466 * lookups on that resource will always work as long as
1467 * it's registered with a kms framebuffer. This is important,
1468 * since vmw_execbuf_process identifies resources in the
1469 * command stream using user-space handles.
1472 user_obj
= ttm_base_object_lookup(tfile
, mode_cmd
->handles
[0]);
1473 if (unlikely(user_obj
== NULL
)) {
1474 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1475 return ERR_PTR(-ENOENT
);
1479 * End conditioned code.
1482 /* returns either a dmabuf or surface */
1483 ret
= vmw_user_lookup_handle(dev_priv
, tfile
,
1484 mode_cmd
->handles
[0],
1491 !vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
)) {
1492 DRM_ERROR("Surface size cannot exceed %dx%d",
1493 dev_priv
->texture_max_width
,
1494 dev_priv
->texture_max_height
);
1499 vfb
= vmw_kms_new_framebuffer(dev_priv
, bo
, surface
,
1500 !(dev_priv
->capabilities
& SVGA_CAP_3D
),
1508 /* vmw_user_lookup_handle takes one ref so does new_fb */
1510 vmw_dmabuf_unreference(&bo
);
1512 vmw_surface_unreference(&surface
);
1515 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret
);
1516 ttm_base_object_unref(&user_obj
);
1517 return ERR_PTR(ret
);
1519 vfb
->user_obj
= user_obj
;
1527 * vmw_kms_atomic_check_modeset- validate state object for modeset changes
1530 * @state: the driver state object
1532 * This is a simple wrapper around drm_atomic_helper_check_modeset() for
1533 * us to assign a value to mode->crtc_clock so that
1534 * drm_calc_timestamping_constants() won't throw an error message
1537 * Zero for success or -errno
1540 vmw_kms_atomic_check_modeset(struct drm_device
*dev
,
1541 struct drm_atomic_state
*state
)
1543 struct drm_crtc_state
*crtc_state
;
1544 struct drm_crtc
*crtc
;
1545 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1549 for_each_crtc_in_state(state
, crtc
, crtc_state
, i
) {
1550 unsigned long requested_bb_mem
= 0;
1552 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
1553 if (crtc
->primary
->fb
) {
1554 int cpp
= crtc
->primary
->fb
->pitches
[0] /
1555 crtc
->primary
->fb
->width
;
1557 requested_bb_mem
+= crtc
->mode
.hdisplay
* cpp
*
1558 crtc
->mode
.vdisplay
;
1561 if (requested_bb_mem
> dev_priv
->prim_bb_mem
)
1566 return drm_atomic_helper_check(dev
, state
);
1570 static const struct drm_mode_config_funcs vmw_kms_funcs
= {
1571 .fb_create
= vmw_kms_fb_create
,
1572 .atomic_check
= vmw_kms_atomic_check_modeset
,
1573 .atomic_commit
= drm_atomic_helper_commit
,
1576 static int vmw_kms_generic_present(struct vmw_private
*dev_priv
,
1577 struct drm_file
*file_priv
,
1578 struct vmw_framebuffer
*vfb
,
1579 struct vmw_surface
*surface
,
1581 int32_t destX
, int32_t destY
,
1582 struct drm_vmw_rect
*clips
,
1585 return vmw_kms_sou_do_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1586 &surface
->res
, destX
, destY
,
1587 num_clips
, 1, NULL
);
1591 int vmw_kms_present(struct vmw_private
*dev_priv
,
1592 struct drm_file
*file_priv
,
1593 struct vmw_framebuffer
*vfb
,
1594 struct vmw_surface
*surface
,
1596 int32_t destX
, int32_t destY
,
1597 struct drm_vmw_rect
*clips
,
1602 switch (dev_priv
->active_display_unit
) {
1603 case vmw_du_screen_target
:
1604 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1605 &surface
->res
, destX
, destY
,
1606 num_clips
, 1, NULL
);
1608 case vmw_du_screen_object
:
1609 ret
= vmw_kms_generic_present(dev_priv
, file_priv
, vfb
, surface
,
1610 sid
, destX
, destY
, clips
,
1615 "Present called with invalid display system.\n");
1622 vmw_fifo_flush(dev_priv
, false);
1628 vmw_kms_create_hotplug_mode_update_property(struct vmw_private
*dev_priv
)
1630 if (dev_priv
->hotplug_mode_update_property
)
1633 dev_priv
->hotplug_mode_update_property
=
1634 drm_property_create_range(dev_priv
->dev
,
1635 DRM_MODE_PROP_IMMUTABLE
,
1636 "hotplug_mode_update", 0, 1);
1638 if (!dev_priv
->hotplug_mode_update_property
)
1643 int vmw_kms_init(struct vmw_private
*dev_priv
)
1645 struct drm_device
*dev
= dev_priv
->dev
;
1648 drm_mode_config_init(dev
);
1649 dev
->mode_config
.funcs
= &vmw_kms_funcs
;
1650 dev
->mode_config
.min_width
= 1;
1651 dev
->mode_config
.min_height
= 1;
1652 dev
->mode_config
.max_width
= dev_priv
->texture_max_width
;
1653 dev
->mode_config
.max_height
= dev_priv
->texture_max_height
;
1655 drm_mode_create_suggested_offset_properties(dev
);
1656 vmw_kms_create_hotplug_mode_update_property(dev_priv
);
1658 ret
= vmw_kms_stdu_init_display(dev_priv
);
1660 ret
= vmw_kms_sou_init_display(dev_priv
);
1661 if (ret
) /* Fallback */
1662 ret
= vmw_kms_ldu_init_display(dev_priv
);
1668 int vmw_kms_close(struct vmw_private
*dev_priv
)
1673 * Docs says we should take the lock before calling this function
1674 * but since it destroys encoders and our destructor calls
1675 * drm_encoder_cleanup which takes the lock we deadlock.
1677 drm_mode_config_cleanup(dev_priv
->dev
);
1678 if (dev_priv
->active_display_unit
== vmw_du_screen_object
)
1679 ret
= vmw_kms_sou_close_display(dev_priv
);
1680 else if (dev_priv
->active_display_unit
== vmw_du_screen_target
)
1681 ret
= vmw_kms_stdu_close_display(dev_priv
);
1683 ret
= vmw_kms_ldu_close_display(dev_priv
);
1688 int vmw_kms_cursor_bypass_ioctl(struct drm_device
*dev
, void *data
,
1689 struct drm_file
*file_priv
)
1691 struct drm_vmw_cursor_bypass_arg
*arg
= data
;
1692 struct vmw_display_unit
*du
;
1693 struct drm_crtc
*crtc
;
1697 mutex_lock(&dev
->mode_config
.mutex
);
1698 if (arg
->flags
& DRM_VMW_CURSOR_BYPASS_ALL
) {
1700 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
1701 du
= vmw_crtc_to_du(crtc
);
1702 du
->hotspot_x
= arg
->xhot
;
1703 du
->hotspot_y
= arg
->yhot
;
1706 mutex_unlock(&dev
->mode_config
.mutex
);
1710 crtc
= drm_crtc_find(dev
, arg
->crtc_id
);
1716 du
= vmw_crtc_to_du(crtc
);
1718 du
->hotspot_x
= arg
->xhot
;
1719 du
->hotspot_y
= arg
->yhot
;
1722 mutex_unlock(&dev
->mode_config
.mutex
);
1727 int vmw_kms_write_svga(struct vmw_private
*vmw_priv
,
1728 unsigned width
, unsigned height
, unsigned pitch
,
1729 unsigned bpp
, unsigned depth
)
1731 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1732 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
, pitch
);
1733 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1734 vmw_mmio_write(pitch
, vmw_priv
->mmio_virt
+
1735 SVGA_FIFO_PITCHLOCK
);
1736 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, width
);
1737 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, height
);
1738 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, bpp
);
1740 if (vmw_read(vmw_priv
, SVGA_REG_DEPTH
) != depth
) {
1741 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1742 depth
, bpp
, vmw_read(vmw_priv
, SVGA_REG_DEPTH
));
1749 int vmw_kms_save_vga(struct vmw_private
*vmw_priv
)
1751 struct vmw_vga_topology_state
*save
;
1754 vmw_priv
->vga_width
= vmw_read(vmw_priv
, SVGA_REG_WIDTH
);
1755 vmw_priv
->vga_height
= vmw_read(vmw_priv
, SVGA_REG_HEIGHT
);
1756 vmw_priv
->vga_bpp
= vmw_read(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
);
1757 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1758 vmw_priv
->vga_pitchlock
=
1759 vmw_read(vmw_priv
, SVGA_REG_PITCHLOCK
);
1760 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1761 vmw_priv
->vga_pitchlock
= vmw_mmio_read(vmw_priv
->mmio_virt
+
1762 SVGA_FIFO_PITCHLOCK
);
1764 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1767 vmw_priv
->num_displays
= vmw_read(vmw_priv
,
1768 SVGA_REG_NUM_GUEST_DISPLAYS
);
1770 if (vmw_priv
->num_displays
== 0)
1771 vmw_priv
->num_displays
= 1;
1773 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1774 save
= &vmw_priv
->vga_save
[i
];
1775 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1776 save
->primary
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
);
1777 save
->pos_x
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
);
1778 save
->pos_y
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
);
1779 save
->width
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
);
1780 save
->height
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
);
1781 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1782 if (i
== 0 && vmw_priv
->num_displays
== 1 &&
1783 save
->width
== 0 && save
->height
== 0) {
1786 * It should be fairly safe to assume that these
1787 * values are uninitialized.
1790 save
->width
= vmw_priv
->vga_width
- save
->pos_x
;
1791 save
->height
= vmw_priv
->vga_height
- save
->pos_y
;
1798 int vmw_kms_restore_vga(struct vmw_private
*vmw_priv
)
1800 struct vmw_vga_topology_state
*save
;
1803 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, vmw_priv
->vga_width
);
1804 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, vmw_priv
->vga_height
);
1805 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, vmw_priv
->vga_bpp
);
1806 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1807 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
,
1808 vmw_priv
->vga_pitchlock
);
1809 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1810 vmw_mmio_write(vmw_priv
->vga_pitchlock
,
1811 vmw_priv
->mmio_virt
+ SVGA_FIFO_PITCHLOCK
);
1813 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1816 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1817 save
= &vmw_priv
->vga_save
[i
];
1818 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1819 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, save
->primary
);
1820 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
, save
->pos_x
);
1821 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
, save
->pos_y
);
1822 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
, save
->width
);
1823 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
, save
->height
);
1824 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1830 bool vmw_kms_validate_mode_vram(struct vmw_private
*dev_priv
,
1834 return ((u64
) pitch
* (u64
) height
) < (u64
)
1835 ((dev_priv
->active_display_unit
== vmw_du_screen_target
) ?
1836 dev_priv
->prim_bb_mem
: dev_priv
->vram_size
);
1841 * Function called by DRM code called with vbl_lock held.
1843 u32
vmw_get_vblank_counter(struct drm_device
*dev
, unsigned int pipe
)
1849 * Function called by DRM code called with vbl_lock held.
1851 int vmw_enable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1857 * Function called by DRM code called with vbl_lock held.
1859 void vmw_disable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1865 * Small shared kms functions.
1868 static int vmw_du_update_layout(struct vmw_private
*dev_priv
, unsigned num
,
1869 struct drm_vmw_rect
*rects
)
1871 struct drm_device
*dev
= dev_priv
->dev
;
1872 struct vmw_display_unit
*du
;
1873 struct drm_connector
*con
;
1875 mutex_lock(&dev
->mode_config
.mutex
);
1881 DRM_INFO("%s: new layout ", __func__
);
1882 for (i
= 0; i
< num
; i
++)
1883 DRM_INFO("(%i, %i %ux%u) ", rects
[i
].x
, rects
[i
].y
,
1884 rects
[i
].w
, rects
[i
].h
);
1889 list_for_each_entry(con
, &dev
->mode_config
.connector_list
, head
) {
1890 du
= vmw_connector_to_du(con
);
1891 if (num
> du
->unit
) {
1892 du
->pref_width
= rects
[du
->unit
].w
;
1893 du
->pref_height
= rects
[du
->unit
].h
;
1894 du
->pref_active
= true;
1895 du
->gui_x
= rects
[du
->unit
].x
;
1896 du
->gui_y
= rects
[du
->unit
].y
;
1897 drm_object_property_set_value
1898 (&con
->base
, dev
->mode_config
.suggested_x_property
,
1900 drm_object_property_set_value
1901 (&con
->base
, dev
->mode_config
.suggested_y_property
,
1904 du
->pref_width
= 800;
1905 du
->pref_height
= 600;
1906 du
->pref_active
= false;
1907 drm_object_property_set_value
1908 (&con
->base
, dev
->mode_config
.suggested_x_property
,
1910 drm_object_property_set_value
1911 (&con
->base
, dev
->mode_config
.suggested_y_property
,
1914 con
->status
= vmw_du_connector_detect(con
, true);
1917 mutex_unlock(&dev
->mode_config
.mutex
);
1918 drm_sysfs_hotplug_event(dev
);
1923 int vmw_du_crtc_gamma_set(struct drm_crtc
*crtc
,
1924 u16
*r
, u16
*g
, u16
*b
,
1926 struct drm_modeset_acquire_ctx
*ctx
)
1928 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
1931 for (i
= 0; i
< size
; i
++) {
1932 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i
,
1934 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 0, r
[i
] >> 8);
1935 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 1, g
[i
] >> 8);
1936 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 2, b
[i
] >> 8);
1942 int vmw_du_connector_dpms(struct drm_connector
*connector
, int mode
)
1947 enum drm_connector_status
1948 vmw_du_connector_detect(struct drm_connector
*connector
, bool force
)
1950 uint32_t num_displays
;
1951 struct drm_device
*dev
= connector
->dev
;
1952 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1953 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
1955 num_displays
= vmw_read(dev_priv
, SVGA_REG_NUM_DISPLAYS
);
1957 return ((vmw_connector_to_du(connector
)->unit
< num_displays
&&
1959 connector_status_connected
: connector_status_disconnected
);
1962 static struct drm_display_mode vmw_kms_connector_builtin
[] = {
1964 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
1965 752, 800, 0, 480, 489, 492, 525, 0,
1966 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1968 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
1969 968, 1056, 0, 600, 601, 605, 628, 0,
1970 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1972 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
1973 1184, 1344, 0, 768, 771, 777, 806, 0,
1974 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1976 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
1977 1344, 1600, 0, 864, 865, 868, 900, 0,
1978 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1980 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
1981 1472, 1664, 0, 768, 771, 778, 798, 0,
1982 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1984 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
1985 1480, 1680, 0, 800, 803, 809, 831, 0,
1986 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1988 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
1989 1488, 1800, 0, 960, 961, 964, 1000, 0,
1990 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1991 /* 1280x1024@60Hz */
1992 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
1993 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1994 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1996 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
1997 1536, 1792, 0, 768, 771, 777, 795, 0,
1998 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1999 /* 1440x1050@60Hz */
2000 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
2001 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
2002 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2004 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
2005 1672, 1904, 0, 900, 903, 909, 934, 0,
2006 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2007 /* 1600x1200@60Hz */
2008 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
2009 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
2010 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2011 /* 1680x1050@60Hz */
2012 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
2013 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
2014 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2015 /* 1792x1344@60Hz */
2016 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
2017 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
2018 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2019 /* 1853x1392@60Hz */
2020 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
2021 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
2022 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2023 /* 1920x1200@60Hz */
2024 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
2025 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
2026 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2027 /* 1920x1440@60Hz */
2028 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
2029 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
2030 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2031 /* 2560x1600@60Hz */
2032 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
2033 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
2034 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2036 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
2040 * vmw_guess_mode_timing - Provide fake timings for a
2041 * 60Hz vrefresh mode.
2043 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
2044 * members filled in.
2046 void vmw_guess_mode_timing(struct drm_display_mode
*mode
)
2048 mode
->hsync_start
= mode
->hdisplay
+ 50;
2049 mode
->hsync_end
= mode
->hsync_start
+ 50;
2050 mode
->htotal
= mode
->hsync_end
+ 50;
2052 mode
->vsync_start
= mode
->vdisplay
+ 50;
2053 mode
->vsync_end
= mode
->vsync_start
+ 50;
2054 mode
->vtotal
= mode
->vsync_end
+ 50;
2056 mode
->clock
= (u32
)mode
->htotal
* (u32
)mode
->vtotal
/ 100 * 6;
2057 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2061 int vmw_du_connector_fill_modes(struct drm_connector
*connector
,
2062 uint32_t max_width
, uint32_t max_height
)
2064 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2065 struct drm_device
*dev
= connector
->dev
;
2066 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2067 struct drm_display_mode
*mode
= NULL
;
2068 struct drm_display_mode
*bmode
;
2069 struct drm_display_mode prefmode
= { DRM_MODE("preferred",
2070 DRM_MODE_TYPE_DRIVER
| DRM_MODE_TYPE_PREFERRED
,
2071 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2072 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
)
2075 u32 assumed_bpp
= 4;
2077 if (dev_priv
->assume_16bpp
)
2080 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
2081 max_width
= min(max_width
, dev_priv
->stdu_max_width
);
2082 max_width
= min(max_width
, dev_priv
->texture_max_width
);
2084 max_height
= min(max_height
, dev_priv
->stdu_max_height
);
2085 max_height
= min(max_height
, dev_priv
->texture_max_height
);
2088 /* Add preferred mode */
2089 mode
= drm_mode_duplicate(dev
, &prefmode
);
2092 mode
->hdisplay
= du
->pref_width
;
2093 mode
->vdisplay
= du
->pref_height
;
2094 vmw_guess_mode_timing(mode
);
2096 if (vmw_kms_validate_mode_vram(dev_priv
,
2097 mode
->hdisplay
* assumed_bpp
,
2099 drm_mode_probed_add(connector
, mode
);
2101 drm_mode_destroy(dev
, mode
);
2105 if (du
->pref_mode
) {
2106 list_del_init(&du
->pref_mode
->head
);
2107 drm_mode_destroy(dev
, du
->pref_mode
);
2110 /* mode might be null here, this is intended */
2111 du
->pref_mode
= mode
;
2113 for (i
= 0; vmw_kms_connector_builtin
[i
].type
!= 0; i
++) {
2114 bmode
= &vmw_kms_connector_builtin
[i
];
2115 if (bmode
->hdisplay
> max_width
||
2116 bmode
->vdisplay
> max_height
)
2119 if (!vmw_kms_validate_mode_vram(dev_priv
,
2120 bmode
->hdisplay
* assumed_bpp
,
2124 mode
= drm_mode_duplicate(dev
, bmode
);
2127 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2129 drm_mode_probed_add(connector
, mode
);
2132 drm_mode_connector_list_update(connector
);
2133 /* Move the prefered mode first, help apps pick the right mode. */
2134 drm_mode_sort(&connector
->modes
);
2139 int vmw_du_connector_set_property(struct drm_connector
*connector
,
2140 struct drm_property
*property
,
2143 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2144 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2146 if (property
== dev_priv
->implicit_placement_property
)
2147 du
->is_implicit
= val
;
2155 * vmw_du_connector_atomic_set_property - Atomic version of get property
2157 * @crtc - crtc the property is associated with
2160 * Zero on success, negative errno on failure.
2163 vmw_du_connector_atomic_set_property(struct drm_connector
*connector
,
2164 struct drm_connector_state
*state
,
2165 struct drm_property
*property
,
2168 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2169 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2170 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2173 if (property
== dev_priv
->implicit_placement_property
) {
2174 vcs
->is_implicit
= val
;
2177 * We should really be doing a drm_atomic_commit() to
2178 * commit the new state, but since this doesn't cause
2179 * an immedate state change, this is probably ok
2181 du
->is_implicit
= vcs
->is_implicit
;
2191 * vmw_du_connector_atomic_get_property - Atomic version of get property
2193 * @connector - connector the property is associated with
2196 * Zero on success, negative errno on failure.
2199 vmw_du_connector_atomic_get_property(struct drm_connector
*connector
,
2200 const struct drm_connector_state
*state
,
2201 struct drm_property
*property
,
2204 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2205 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2207 if (property
== dev_priv
->implicit_placement_property
)
2208 *val
= vcs
->is_implicit
;
2210 DRM_ERROR("Invalid Property %s\n", property
->name
);
2218 int vmw_kms_update_layout_ioctl(struct drm_device
*dev
, void *data
,
2219 struct drm_file
*file_priv
)
2221 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2222 struct drm_vmw_update_layout_arg
*arg
=
2223 (struct drm_vmw_update_layout_arg
*)data
;
2224 void __user
*user_rects
;
2225 struct drm_vmw_rect
*rects
;
2226 unsigned rects_size
;
2229 u64 total_pixels
= 0;
2230 struct drm_mode_config
*mode_config
= &dev
->mode_config
;
2231 struct drm_vmw_rect bounding_box
= {0};
2233 if (!arg
->num_outputs
) {
2234 struct drm_vmw_rect def_rect
= {0, 0, 800, 600};
2235 vmw_du_update_layout(dev_priv
, 1, &def_rect
);
2239 rects_size
= arg
->num_outputs
* sizeof(struct drm_vmw_rect
);
2240 rects
= kcalloc(arg
->num_outputs
, sizeof(struct drm_vmw_rect
),
2242 if (unlikely(!rects
))
2245 user_rects
= (void __user
*)(unsigned long)arg
->rects
;
2246 ret
= copy_from_user(rects
, user_rects
, rects_size
);
2247 if (unlikely(ret
!= 0)) {
2248 DRM_ERROR("Failed to get rects.\n");
2253 for (i
= 0; i
< arg
->num_outputs
; ++i
) {
2254 if (rects
[i
].x
< 0 ||
2256 rects
[i
].x
+ rects
[i
].w
> mode_config
->max_width
||
2257 rects
[i
].y
+ rects
[i
].h
> mode_config
->max_height
) {
2258 DRM_ERROR("Invalid GUI layout.\n");
2264 * bounding_box.w and bunding_box.h are used as
2265 * lower-right coordinates
2267 if (rects
[i
].x
+ rects
[i
].w
> bounding_box
.w
)
2268 bounding_box
.w
= rects
[i
].x
+ rects
[i
].w
;
2270 if (rects
[i
].y
+ rects
[i
].h
> bounding_box
.h
)
2271 bounding_box
.h
= rects
[i
].y
+ rects
[i
].h
;
2273 total_pixels
+= (u64
) rects
[i
].w
* (u64
) rects
[i
].h
;
2276 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
2278 * For Screen Targets, the limits for a toplogy are:
2279 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
2280 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
2282 u64 bb_mem
= (u64
) bounding_box
.w
* bounding_box
.h
* 4;
2283 u64 pixel_mem
= total_pixels
* 4;
2285 if (bb_mem
> dev_priv
->prim_bb_mem
) {
2286 DRM_ERROR("Topology is beyond supported limits.\n");
2291 if (pixel_mem
> dev_priv
->prim_bb_mem
) {
2292 DRM_ERROR("Combined output size too large\n");
2298 vmw_du_update_layout(dev_priv
, arg
->num_outputs
, rects
);
2306 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
2307 * on a set of cliprects and a set of display units.
2309 * @dev_priv: Pointer to a device private structure.
2310 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
2311 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
2312 * Cliprects are given in framebuffer coordinates.
2313 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
2314 * be NULL. Cliprects are given in source coordinates.
2315 * @dest_x: X coordinate offset for the crtc / destination clip rects.
2316 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
2317 * @num_clips: Number of cliprects in the @clips or @vclips array.
2318 * @increment: Integer with which to increment the clip counter when looping.
2319 * Used to skip a predetermined number of clip rects.
2320 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
2322 int vmw_kms_helper_dirty(struct vmw_private
*dev_priv
,
2323 struct vmw_framebuffer
*framebuffer
,
2324 const struct drm_clip_rect
*clips
,
2325 const struct drm_vmw_rect
*vclips
,
2326 s32 dest_x
, s32 dest_y
,
2329 struct vmw_kms_dirty
*dirty
)
2331 struct vmw_display_unit
*units
[VMWGFX_NUM_DISPLAY_UNITS
];
2332 struct drm_crtc
*crtc
;
2336 dirty
->dev_priv
= dev_priv
;
2338 list_for_each_entry(crtc
, &dev_priv
->dev
->mode_config
.crtc_list
, head
) {
2339 if (crtc
->primary
->fb
!= &framebuffer
->base
)
2341 units
[num_units
++] = vmw_crtc_to_du(crtc
);
2344 for (k
= 0; k
< num_units
; k
++) {
2345 struct vmw_display_unit
*unit
= units
[k
];
2346 s32 crtc_x
= unit
->crtc
.x
;
2347 s32 crtc_y
= unit
->crtc
.y
;
2348 s32 crtc_width
= unit
->crtc
.mode
.hdisplay
;
2349 s32 crtc_height
= unit
->crtc
.mode
.vdisplay
;
2350 const struct drm_clip_rect
*clips_ptr
= clips
;
2351 const struct drm_vmw_rect
*vclips_ptr
= vclips
;
2354 if (dirty
->fifo_reserve_size
> 0) {
2355 dirty
->cmd
= vmw_fifo_reserve(dev_priv
,
2356 dirty
->fifo_reserve_size
);
2358 DRM_ERROR("Couldn't reserve fifo space "
2359 "for dirty blits.\n");
2362 memset(dirty
->cmd
, 0, dirty
->fifo_reserve_size
);
2364 dirty
->num_hits
= 0;
2365 for (i
= 0; i
< num_clips
; i
++, clips_ptr
+= increment
,
2366 vclips_ptr
+= increment
) {
2371 * Select clip array type. Note that integer type
2372 * in @clips is unsigned short, whereas in @vclips
2376 dirty
->fb_x
= (s32
) clips_ptr
->x1
;
2377 dirty
->fb_y
= (s32
) clips_ptr
->y1
;
2378 dirty
->unit_x2
= (s32
) clips_ptr
->x2
+ dest_x
-
2380 dirty
->unit_y2
= (s32
) clips_ptr
->y2
+ dest_y
-
2383 dirty
->fb_x
= vclips_ptr
->x
;
2384 dirty
->fb_y
= vclips_ptr
->y
;
2385 dirty
->unit_x2
= dirty
->fb_x
+ vclips_ptr
->w
+
2387 dirty
->unit_y2
= dirty
->fb_y
+ vclips_ptr
->h
+
2391 dirty
->unit_x1
= dirty
->fb_x
+ dest_x
- crtc_x
;
2392 dirty
->unit_y1
= dirty
->fb_y
+ dest_y
- crtc_y
;
2394 /* Skip this clip if it's outside the crtc region */
2395 if (dirty
->unit_x1
>= crtc_width
||
2396 dirty
->unit_y1
>= crtc_height
||
2397 dirty
->unit_x2
<= 0 || dirty
->unit_y2
<= 0)
2400 /* Clip right and bottom to crtc limits */
2401 dirty
->unit_x2
= min_t(s32
, dirty
->unit_x2
,
2403 dirty
->unit_y2
= min_t(s32
, dirty
->unit_y2
,
2406 /* Clip left and top to crtc limits */
2407 clip_left
= min_t(s32
, dirty
->unit_x1
, 0);
2408 clip_top
= min_t(s32
, dirty
->unit_y1
, 0);
2409 dirty
->unit_x1
-= clip_left
;
2410 dirty
->unit_y1
-= clip_top
;
2411 dirty
->fb_x
-= clip_left
;
2412 dirty
->fb_y
-= clip_top
;
2417 dirty
->fifo_commit(dirty
);
2424 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
2425 * command submission.
2427 * @dev_priv. Pointer to a device private structure.
2428 * @buf: The buffer object
2429 * @interruptible: Whether to perform waits as interruptible.
2430 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
2431 * The buffer will be validated as a GMR. Already pinned buffers will not be
2434 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
2435 * interrupted by a signal.
2437 int vmw_kms_helper_buffer_prepare(struct vmw_private
*dev_priv
,
2438 struct vmw_dma_buffer
*buf
,
2440 bool validate_as_mob
)
2442 struct ttm_buffer_object
*bo
= &buf
->base
;
2445 ttm_bo_reserve(bo
, false, false, NULL
);
2446 ret
= vmw_validate_single_buffer(dev_priv
, bo
, interruptible
,
2449 ttm_bo_unreserve(bo
);
2455 * vmw_kms_helper_buffer_revert - Undo the actions of
2456 * vmw_kms_helper_buffer_prepare.
2458 * @res: Pointer to the buffer object.
2460 * Helper to be used if an error forces the caller to undo the actions of
2461 * vmw_kms_helper_buffer_prepare.
2463 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer
*buf
)
2466 ttm_bo_unreserve(&buf
->base
);
2470 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
2471 * kms command submission.
2473 * @dev_priv: Pointer to a device private structure.
2474 * @file_priv: Pointer to a struct drm_file representing the caller's
2475 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
2476 * if non-NULL, @user_fence_rep must be non-NULL.
2477 * @buf: The buffer object.
2478 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2479 * ref-counted fence pointer is returned here.
2480 * @user_fence_rep: Optional pointer to a user-space provided struct
2481 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
2482 * function copies fence data to user-space in a fail-safe manner.
2484 void vmw_kms_helper_buffer_finish(struct vmw_private
*dev_priv
,
2485 struct drm_file
*file_priv
,
2486 struct vmw_dma_buffer
*buf
,
2487 struct vmw_fence_obj
**out_fence
,
2488 struct drm_vmw_fence_rep __user
*
2491 struct vmw_fence_obj
*fence
;
2495 ret
= vmw_execbuf_fence_commands(file_priv
, dev_priv
, &fence
,
2496 file_priv
? &handle
: NULL
);
2498 vmw_fence_single_bo(&buf
->base
, fence
);
2500 vmw_execbuf_copy_fence_user(dev_priv
, vmw_fpriv(file_priv
),
2501 ret
, user_fence_rep
, fence
,
2506 vmw_fence_obj_unreference(&fence
);
2508 vmw_kms_helper_buffer_revert(buf
);
2513 * vmw_kms_helper_resource_revert - Undo the actions of
2514 * vmw_kms_helper_resource_prepare.
2516 * @res: Pointer to the resource. Typically a surface.
2518 * Helper to be used if an error forces the caller to undo the actions of
2519 * vmw_kms_helper_resource_prepare.
2521 void vmw_kms_helper_resource_revert(struct vmw_resource
*res
)
2523 vmw_kms_helper_buffer_revert(res
->backup
);
2524 vmw_resource_unreserve(res
, false, NULL
, 0);
2525 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2529 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
2530 * command submission.
2532 * @res: Pointer to the resource. Typically a surface.
2533 * @interruptible: Whether to perform waits as interruptible.
2535 * Reserves and validates also the backup buffer if a guest-backed resource.
2536 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
2537 * interrupted by a signal.
2539 int vmw_kms_helper_resource_prepare(struct vmw_resource
*res
,
2545 ret
= mutex_lock_interruptible(&res
->dev_priv
->cmdbuf_mutex
);
2547 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
2549 if (unlikely(ret
!= 0))
2550 return -ERESTARTSYS
;
2552 ret
= vmw_resource_reserve(res
, interruptible
, false);
2557 ret
= vmw_kms_helper_buffer_prepare(res
->dev_priv
, res
->backup
,
2559 res
->dev_priv
->has_mob
);
2563 ret
= vmw_resource_validate(res
);
2569 vmw_kms_helper_buffer_revert(res
->backup
);
2571 vmw_resource_unreserve(res
, false, NULL
, 0);
2573 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2578 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
2579 * kms command submission.
2581 * @res: Pointer to the resource. Typically a surface.
2582 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2583 * ref-counted fence pointer is returned here.
2585 void vmw_kms_helper_resource_finish(struct vmw_resource
*res
,
2586 struct vmw_fence_obj
**out_fence
)
2588 if (res
->backup
|| out_fence
)
2589 vmw_kms_helper_buffer_finish(res
->dev_priv
, NULL
, res
->backup
,
2592 vmw_resource_unreserve(res
, false, NULL
, 0);
2593 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2597 * vmw_kms_update_proxy - Helper function to update a proxy surface from
2600 * @res: Pointer to the surface resource
2601 * @clips: Clip rects in framebuffer (surface) space.
2602 * @num_clips: Number of clips in @clips.
2603 * @increment: Integer with which to increment the clip counter when looping.
2604 * Used to skip a predetermined number of clip rects.
2606 * This function makes sure the proxy surface is updated from its backing MOB
2607 * using the region given by @clips. The surface resource @res and its backing
2608 * MOB needs to be reserved and validated on call.
2610 int vmw_kms_update_proxy(struct vmw_resource
*res
,
2611 const struct drm_clip_rect
*clips
,
2615 struct vmw_private
*dev_priv
= res
->dev_priv
;
2616 struct drm_vmw_size
*size
= &vmw_res_to_srf(res
)->base_size
;
2618 SVGA3dCmdHeader header
;
2619 SVGA3dCmdUpdateGBImage body
;
2622 size_t copy_size
= 0;
2628 cmd
= vmw_fifo_reserve(dev_priv
, sizeof(*cmd
) * num_clips
);
2630 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2635 for (i
= 0; i
< num_clips
; ++i
, clips
+= increment
, ++cmd
) {
2636 box
= &cmd
->body
.box
;
2638 cmd
->header
.id
= SVGA_3D_CMD_UPDATE_GB_IMAGE
;
2639 cmd
->header
.size
= sizeof(cmd
->body
);
2640 cmd
->body
.image
.sid
= res
->id
;
2641 cmd
->body
.image
.face
= 0;
2642 cmd
->body
.image
.mipmap
= 0;
2644 if (clips
->x1
> size
->width
|| clips
->x2
> size
->width
||
2645 clips
->y1
> size
->height
|| clips
->y2
> size
->height
) {
2646 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2653 box
->w
= clips
->x2
- clips
->x1
;
2654 box
->h
= clips
->y2
- clips
->y1
;
2657 copy_size
+= sizeof(*cmd
);
2660 vmw_fifo_commit(dev_priv
, copy_size
);
2665 int vmw_kms_fbdev_init_data(struct vmw_private
*dev_priv
,
2669 struct drm_connector
**p_con
,
2670 struct drm_crtc
**p_crtc
,
2671 struct drm_display_mode
**p_mode
)
2673 struct drm_connector
*con
;
2674 struct vmw_display_unit
*du
;
2675 struct drm_display_mode
*mode
;
2678 list_for_each_entry(con
, &dev_priv
->dev
->mode_config
.connector_list
,
2687 DRM_ERROR("Could not find initial display unit.\n");
2691 if (list_empty(&con
->modes
))
2692 (void) vmw_du_connector_fill_modes(con
, max_width
, max_height
);
2694 if (list_empty(&con
->modes
)) {
2695 DRM_ERROR("Could not find initial display mode.\n");
2699 du
= vmw_connector_to_du(con
);
2701 *p_crtc
= &du
->crtc
;
2703 list_for_each_entry(mode
, &con
->modes
, head
) {
2704 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2708 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2711 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2712 *p_mode
= list_first_entry(&con
->modes
,
2713 struct drm_display_mode
,
2721 * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
2723 * @dev_priv: Pointer to a device private struct.
2724 * @du: The display unit of the crtc.
2726 void vmw_kms_del_active(struct vmw_private
*dev_priv
,
2727 struct vmw_display_unit
*du
)
2729 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2730 if (du
->active_implicit
) {
2731 if (--(dev_priv
->num_implicit
) == 0)
2732 dev_priv
->implicit_fb
= NULL
;
2733 du
->active_implicit
= false;
2735 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2739 * vmw_kms_add_active - register a crtc binding to an implicit framebuffer
2741 * @vmw_priv: Pointer to a device private struct.
2742 * @du: The display unit of the crtc.
2743 * @vfb: The implicit framebuffer
2745 * Registers a binding to an implicit framebuffer.
2747 void vmw_kms_add_active(struct vmw_private
*dev_priv
,
2748 struct vmw_display_unit
*du
,
2749 struct vmw_framebuffer
*vfb
)
2751 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2752 WARN_ON_ONCE(!dev_priv
->num_implicit
&& dev_priv
->implicit_fb
);
2754 if (!du
->active_implicit
&& du
->is_implicit
) {
2755 dev_priv
->implicit_fb
= vfb
;
2756 du
->active_implicit
= true;
2757 dev_priv
->num_implicit
++;
2759 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2763 * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
2765 * @dev_priv: Pointer to device-private struct.
2766 * @crtc: The crtc we want to flip.
2768 * Returns true or false depending whether it's OK to flip this crtc
2769 * based on the criterion that we must not have more than one implicit
2770 * frame-buffer at any one time.
2772 bool vmw_kms_crtc_flippable(struct vmw_private
*dev_priv
,
2773 struct drm_crtc
*crtc
)
2775 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2778 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2779 ret
= !du
->is_implicit
|| dev_priv
->num_implicit
== 1;
2780 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2786 * vmw_kms_update_implicit_fb - Update the implicit fb.
2788 * @dev_priv: Pointer to device-private struct.
2789 * @crtc: The crtc the new implicit frame-buffer is bound to.
2791 void vmw_kms_update_implicit_fb(struct vmw_private
*dev_priv
,
2792 struct drm_crtc
*crtc
)
2794 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2795 struct vmw_framebuffer
*vfb
;
2797 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2799 if (!du
->is_implicit
)
2802 vfb
= vmw_framebuffer_to_vfb(crtc
->primary
->fb
);
2803 WARN_ON_ONCE(dev_priv
->num_implicit
!= 1 &&
2804 dev_priv
->implicit_fb
!= vfb
);
2806 dev_priv
->implicit_fb
= vfb
;
2808 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2812 * vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
2815 * @dev_priv: Pointer to a device private struct.
2816 * @immutable: Whether the property is immutable.
2818 * Sets up the implicit placement property unless it's already set up.
2821 vmw_kms_create_implicit_placement_property(struct vmw_private
*dev_priv
,
2824 if (dev_priv
->implicit_placement_property
)
2827 dev_priv
->implicit_placement_property
=
2828 drm_property_create_range(dev_priv
->dev
,
2830 DRM_MODE_PROP_IMMUTABLE
: 0,
2831 "implicit_placement", 0, 1);
2837 * vmw_kms_set_config - Wrapper around drm_atomic_helper_set_config
2839 * @set: The configuration to set.
2841 * The vmwgfx Xorg driver doesn't assign the mode::type member, which
2842 * when drm_mode_set_crtcinfo is called as part of the configuration setting
2843 * causes it to return incorrect crtc dimensions causing severe problems in
2844 * the vmwgfx modesetting. So explicitly clear that member before calling
2845 * into drm_atomic_helper_set_config.
2847 int vmw_kms_set_config(struct drm_mode_set
*set
,
2848 struct drm_modeset_acquire_ctx
*ctx
)
2850 if (set
&& set
->mode
)
2851 set
->mode
->type
= 0;
2853 return drm_atomic_helper_set_config(set
, ctx
);