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
;
387 du
->cursor_surface
= vps
->surf
;
388 du
->cursor_dmabuf
= vps
->dmabuf
;
390 /* setup new image */
392 du
->cursor_age
= du
->cursor_surface
->snooper
.age
;
394 ret
= vmw_cursor_update_image(dev_priv
,
395 vps
->surf
->snooper
.image
,
396 64, 64, hotspot_x
, hotspot_y
);
397 } else if (vps
->dmabuf
) {
398 ret
= vmw_cursor_update_dmabuf(dev_priv
, vps
->dmabuf
,
399 plane
->state
->crtc_w
,
400 plane
->state
->crtc_h
,
401 hotspot_x
, hotspot_y
);
403 vmw_cursor_update_position(dev_priv
, false, 0, 0);
408 du
->cursor_x
= plane
->state
->crtc_x
+ du
->set_gui_x
;
409 du
->cursor_y
= plane
->state
->crtc_y
+ du
->set_gui_y
;
411 vmw_cursor_update_position(dev_priv
, true,
412 du
->cursor_x
+ hotspot_x
,
413 du
->cursor_y
+ hotspot_y
);
415 DRM_ERROR("Failed to update cursor image\n");
421 * vmw_du_primary_plane_atomic_check - check if the new state is okay
423 * @plane: display plane
424 * @state: info on the new plane state, including the FB
426 * Check if the new state is settable given the current state. Other
427 * than what the atomic helper checks, we care about crtc fitting
428 * the FB and maintaining one active framebuffer.
430 * Returns 0 on success
432 int vmw_du_primary_plane_atomic_check(struct drm_plane
*plane
,
433 struct drm_plane_state
*state
)
435 struct drm_framebuffer
*new_fb
= state
->fb
;
438 struct drm_rect src
= {
441 .x2
= state
->src_x
+ state
->src_w
,
442 .y2
= state
->src_y
+ state
->src_h
,
444 struct drm_rect dest
= {
447 .x2
= state
->crtc_x
+ state
->crtc_w
,
448 .y2
= state
->crtc_y
+ state
->crtc_h
,
450 struct drm_rect clip
= dest
;
453 ret
= drm_plane_helper_check_update(plane
, state
->crtc
, new_fb
,
456 DRM_PLANE_HELPER_NO_SCALING
,
457 DRM_PLANE_HELPER_NO_SCALING
,
458 false, true, &visible
);
461 if (!ret
&& new_fb
) {
462 struct drm_crtc
*crtc
= state
->crtc
;
463 struct vmw_connector_state
*vcs
;
464 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
465 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
466 struct vmw_framebuffer
*vfb
= vmw_framebuffer_to_vfb(new_fb
);
468 vcs
= vmw_connector_state_to_vcs(du
->connector
.state
);
470 if ((dest
.x2
> new_fb
->width
||
471 dest
.y2
> new_fb
->height
)) {
472 DRM_ERROR("CRTC area outside of framebuffer\n");
476 /* Only one active implicit framebuffer at a time. */
477 mutex_lock(&dev_priv
->global_kms_state_mutex
);
478 if (vcs
->is_implicit
&& dev_priv
->implicit_fb
&&
479 !(dev_priv
->num_implicit
== 1 && du
->active_implicit
)
480 && dev_priv
->implicit_fb
!= vfb
) {
481 DRM_ERROR("Multiple implicit framebuffers "
485 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
494 * vmw_du_cursor_plane_atomic_check - check if the new state is okay
496 * @plane: cursor plane
497 * @state: info on the new plane state
499 * This is a chance to fail if the new cursor state does not fit
502 * Returns 0 on success
504 int vmw_du_cursor_plane_atomic_check(struct drm_plane
*plane
,
505 struct drm_plane_state
*new_state
)
508 struct vmw_surface
*surface
= NULL
;
509 struct drm_framebuffer
*fb
= new_state
->fb
;
516 /* A lot of the code assumes this */
517 if (new_state
->crtc_w
!= 64 || new_state
->crtc_h
!= 64) {
518 DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
519 new_state
->crtc_w
, new_state
->crtc_h
);
523 if (!vmw_framebuffer_to_vfb(fb
)->dmabuf
)
524 surface
= vmw_framebuffer_to_vfbs(fb
)->surface
;
526 if (surface
&& !surface
->snooper
.image
) {
527 DRM_ERROR("surface not suitable for cursor\n");
535 int vmw_du_crtc_atomic_check(struct drm_crtc
*crtc
,
536 struct drm_crtc_state
*new_state
)
538 struct vmw_display_unit
*du
= vmw_crtc_to_du(new_state
->crtc
);
539 int connector_mask
= 1 << drm_connector_index(&du
->connector
);
540 bool has_primary
= new_state
->plane_mask
&
541 BIT(drm_plane_index(crtc
->primary
));
543 /* We always want to have an active plane with an active CRTC */
544 if (has_primary
!= new_state
->enable
)
548 if (new_state
->connector_mask
!= connector_mask
&&
549 new_state
->connector_mask
!= 0) {
550 DRM_ERROR("Invalid connectors configuration\n");
555 * Our virtual device does not have a dot clock, so use the logical
556 * clock value as the dot clock.
558 if (new_state
->mode
.crtc_clock
== 0)
559 new_state
->adjusted_mode
.crtc_clock
= new_state
->mode
.clock
;
565 void vmw_du_crtc_atomic_begin(struct drm_crtc
*crtc
,
566 struct drm_crtc_state
*old_crtc_state
)
571 void vmw_du_crtc_atomic_flush(struct drm_crtc
*crtc
,
572 struct drm_crtc_state
*old_crtc_state
)
574 struct drm_pending_vblank_event
*event
= crtc
->state
->event
;
577 crtc
->state
->event
= NULL
;
579 spin_lock_irq(&crtc
->dev
->event_lock
);
580 if (drm_crtc_vblank_get(crtc
) == 0)
581 drm_crtc_arm_vblank_event(crtc
, event
);
583 drm_crtc_send_vblank_event(crtc
, event
);
584 spin_unlock_irq(&crtc
->dev
->event_lock
);
591 * vmw_du_crtc_duplicate_state - duplicate crtc state
594 * Allocates and returns a copy of the crtc state (both common and
595 * vmw-specific) for the specified crtc.
597 * Returns: The newly allocated crtc state, or NULL on failure.
599 struct drm_crtc_state
*
600 vmw_du_crtc_duplicate_state(struct drm_crtc
*crtc
)
602 struct drm_crtc_state
*state
;
603 struct vmw_crtc_state
*vcs
;
605 if (WARN_ON(!crtc
->state
))
608 vcs
= kmemdup(crtc
->state
, sizeof(*vcs
), GFP_KERNEL
);
615 __drm_atomic_helper_crtc_duplicate_state(crtc
, state
);
622 * vmw_du_crtc_reset - creates a blank vmw crtc state
625 * Resets the atomic state for @crtc by freeing the state pointer (which
626 * might be NULL, e.g. at driver load time) and allocating a new empty state
629 void vmw_du_crtc_reset(struct drm_crtc
*crtc
)
631 struct vmw_crtc_state
*vcs
;
635 __drm_atomic_helper_crtc_destroy_state(crtc
->state
);
637 kfree(vmw_crtc_state_to_vcs(crtc
->state
));
640 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
643 DRM_ERROR("Cannot allocate vmw_crtc_state\n");
647 crtc
->state
= &vcs
->base
;
648 crtc
->state
->crtc
= crtc
;
653 * vmw_du_crtc_destroy_state - destroy crtc state
655 * @state: state object to destroy
657 * Destroys the crtc state (both common and vmw-specific) for the
661 vmw_du_crtc_destroy_state(struct drm_crtc
*crtc
,
662 struct drm_crtc_state
*state
)
664 drm_atomic_helper_crtc_destroy_state(crtc
, state
);
669 * vmw_du_plane_duplicate_state - duplicate plane state
672 * Allocates and returns a copy of the plane state (both common and
673 * vmw-specific) for the specified plane.
675 * Returns: The newly allocated plane state, or NULL on failure.
677 struct drm_plane_state
*
678 vmw_du_plane_duplicate_state(struct drm_plane
*plane
)
680 struct drm_plane_state
*state
;
681 struct vmw_plane_state
*vps
;
683 vps
= kmemdup(plane
->state
, sizeof(*vps
), GFP_KERNEL
);
690 /* Mapping is managed by prepare_fb/cleanup_fb */
691 memset(&vps
->guest_map
, 0, sizeof(vps
->guest_map
));
692 memset(&vps
->host_map
, 0, sizeof(vps
->host_map
));
695 /* Each ref counted resource needs to be acquired again */
697 (void) vmw_surface_reference(vps
->surf
);
700 (void) vmw_dmabuf_reference(vps
->dmabuf
);
704 __drm_atomic_helper_plane_duplicate_state(plane
, state
);
711 * vmw_du_plane_reset - creates a blank vmw plane state
714 * Resets the atomic state for @plane by freeing the state pointer (which might
715 * be NULL, e.g. at driver load time) and allocating a new empty state object.
717 void vmw_du_plane_reset(struct drm_plane
*plane
)
719 struct vmw_plane_state
*vps
;
723 vmw_du_plane_destroy_state(plane
, plane
->state
);
725 vps
= kzalloc(sizeof(*vps
), GFP_KERNEL
);
728 DRM_ERROR("Cannot allocate vmw_plane_state\n");
732 plane
->state
= &vps
->base
;
733 plane
->state
->plane
= plane
;
734 plane
->state
->rotation
= DRM_ROTATE_0
;
739 * vmw_du_plane_destroy_state - destroy plane state
741 * @state: state object to destroy
743 * Destroys the plane state (both common and vmw-specific) for the
747 vmw_du_plane_destroy_state(struct drm_plane
*plane
,
748 struct drm_plane_state
*state
)
750 struct vmw_plane_state
*vps
= vmw_plane_state_to_vps(state
);
753 /* Should have been freed by cleanup_fb */
754 if (vps
->guest_map
.virtual) {
755 DRM_ERROR("Guest mapping not freed\n");
756 ttm_bo_kunmap(&vps
->guest_map
);
759 if (vps
->host_map
.virtual) {
760 DRM_ERROR("Host mapping not freed\n");
761 ttm_bo_kunmap(&vps
->host_map
);
765 vmw_surface_unreference(&vps
->surf
);
768 vmw_dmabuf_unreference(&vps
->dmabuf
);
770 drm_atomic_helper_plane_destroy_state(plane
, state
);
775 * vmw_du_connector_duplicate_state - duplicate connector state
776 * @connector: DRM connector
778 * Allocates and returns a copy of the connector state (both common and
779 * vmw-specific) for the specified connector.
781 * Returns: The newly allocated connector state, or NULL on failure.
783 struct drm_connector_state
*
784 vmw_du_connector_duplicate_state(struct drm_connector
*connector
)
786 struct drm_connector_state
*state
;
787 struct vmw_connector_state
*vcs
;
789 if (WARN_ON(!connector
->state
))
792 vcs
= kmemdup(connector
->state
, sizeof(*vcs
), GFP_KERNEL
);
799 __drm_atomic_helper_connector_duplicate_state(connector
, state
);
806 * vmw_du_connector_reset - creates a blank vmw connector state
807 * @connector: DRM connector
809 * Resets the atomic state for @connector by freeing the state pointer (which
810 * might be NULL, e.g. at driver load time) and allocating a new empty state
813 void vmw_du_connector_reset(struct drm_connector
*connector
)
815 struct vmw_connector_state
*vcs
;
818 if (connector
->state
) {
819 __drm_atomic_helper_connector_destroy_state(connector
->state
);
821 kfree(vmw_connector_state_to_vcs(connector
->state
));
824 vcs
= kzalloc(sizeof(*vcs
), GFP_KERNEL
);
827 DRM_ERROR("Cannot allocate vmw_connector_state\n");
831 __drm_atomic_helper_connector_reset(connector
, &vcs
->base
);
836 * vmw_du_connector_destroy_state - destroy connector state
837 * @connector: DRM connector
838 * @state: state object to destroy
840 * Destroys the connector state (both common and vmw-specific) for the
844 vmw_du_connector_destroy_state(struct drm_connector
*connector
,
845 struct drm_connector_state
*state
)
847 drm_atomic_helper_connector_destroy_state(connector
, state
);
850 * Generic framebuffer code
854 * Surface framebuffer code
857 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer
*framebuffer
)
859 struct vmw_framebuffer_surface
*vfbs
=
860 vmw_framebuffer_to_vfbs(framebuffer
);
862 drm_framebuffer_cleanup(framebuffer
);
863 vmw_surface_unreference(&vfbs
->surface
);
864 if (vfbs
->base
.user_obj
)
865 ttm_base_object_unref(&vfbs
->base
.user_obj
);
870 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer
*framebuffer
,
871 struct drm_file
*file_priv
,
872 unsigned flags
, unsigned color
,
873 struct drm_clip_rect
*clips
,
876 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
877 struct vmw_framebuffer_surface
*vfbs
=
878 vmw_framebuffer_to_vfbs(framebuffer
);
879 struct drm_clip_rect norect
;
882 /* Legacy Display Unit does not support 3D */
883 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
886 drm_modeset_lock_all(dev_priv
->dev
);
888 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
889 if (unlikely(ret
!= 0)) {
890 drm_modeset_unlock_all(dev_priv
->dev
);
897 norect
.x1
= norect
.y1
= 0;
898 norect
.x2
= framebuffer
->width
;
899 norect
.y2
= framebuffer
->height
;
900 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
902 inc
= 2; /* skip source rects */
905 if (dev_priv
->active_display_unit
== vmw_du_screen_object
)
906 ret
= vmw_kms_sou_do_surface_dirty(dev_priv
, &vfbs
->base
,
907 clips
, NULL
, NULL
, 0, 0,
908 num_clips
, inc
, NULL
);
910 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, &vfbs
->base
,
911 clips
, NULL
, NULL
, 0, 0,
912 num_clips
, inc
, NULL
);
914 vmw_fifo_flush(dev_priv
, false);
915 ttm_read_unlock(&dev_priv
->reservation_sem
);
917 drm_modeset_unlock_all(dev_priv
->dev
);
923 * vmw_kms_readback - Perform a readback from the screen system to
924 * a dma-buffer backed framebuffer.
926 * @dev_priv: Pointer to the device private structure.
927 * @file_priv: Pointer to a struct drm_file identifying the caller.
928 * Must be set to NULL if @user_fence_rep is NULL.
929 * @vfb: Pointer to the dma-buffer backed framebuffer.
930 * @user_fence_rep: User-space provided structure for fence information.
931 * Must be set to non-NULL if @file_priv is non-NULL.
932 * @vclips: Array of clip rects.
933 * @num_clips: Number of clip rects in @vclips.
935 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
938 int vmw_kms_readback(struct vmw_private
*dev_priv
,
939 struct drm_file
*file_priv
,
940 struct vmw_framebuffer
*vfb
,
941 struct drm_vmw_fence_rep __user
*user_fence_rep
,
942 struct drm_vmw_rect
*vclips
,
945 switch (dev_priv
->active_display_unit
) {
946 case vmw_du_screen_object
:
947 return vmw_kms_sou_readback(dev_priv
, file_priv
, vfb
,
948 user_fence_rep
, vclips
, num_clips
);
949 case vmw_du_screen_target
:
950 return vmw_kms_stdu_dma(dev_priv
, file_priv
, vfb
,
951 user_fence_rep
, NULL
, vclips
, num_clips
,
955 "Readback called with invalid display system.\n");
962 static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs
= {
963 .destroy
= vmw_framebuffer_surface_destroy
,
964 .dirty
= vmw_framebuffer_surface_dirty
,
967 static int vmw_kms_new_framebuffer_surface(struct vmw_private
*dev_priv
,
968 struct vmw_surface
*surface
,
969 struct vmw_framebuffer
**out
,
970 const struct drm_mode_fb_cmd2
972 bool is_dmabuf_proxy
)
975 struct drm_device
*dev
= dev_priv
->dev
;
976 struct vmw_framebuffer_surface
*vfbs
;
977 enum SVGA3dSurfaceFormat format
;
979 struct drm_format_name_buf format_name
;
981 /* 3D is only supported on HWv8 and newer hosts */
982 if (dev_priv
->active_display_unit
== vmw_du_legacy
)
989 /* Surface must be marked as a scanout. */
990 if (unlikely(!surface
->scanout
))
993 if (unlikely(surface
->mip_levels
[0] != 1 ||
994 surface
->num_sizes
!= 1 ||
995 surface
->base_size
.width
< mode_cmd
->width
||
996 surface
->base_size
.height
< mode_cmd
->height
||
997 surface
->base_size
.depth
!= 1)) {
998 DRM_ERROR("Incompatible surface dimensions "
999 "for requested mode.\n");
1003 switch (mode_cmd
->pixel_format
) {
1004 case DRM_FORMAT_ARGB8888
:
1005 format
= SVGA3D_A8R8G8B8
;
1007 case DRM_FORMAT_XRGB8888
:
1008 format
= SVGA3D_X8R8G8B8
;
1010 case DRM_FORMAT_RGB565
:
1011 format
= SVGA3D_R5G6B5
;
1013 case DRM_FORMAT_XRGB1555
:
1014 format
= SVGA3D_A1R5G5B5
;
1017 DRM_ERROR("Invalid pixel format: %s\n",
1018 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1023 * For DX, surface format validation is done when surface->scanout
1026 if (!dev_priv
->has_dx
&& format
!= surface
->format
) {
1027 DRM_ERROR("Invalid surface format for requested mode.\n");
1031 vfbs
= kzalloc(sizeof(*vfbs
), GFP_KERNEL
);
1037 drm_helper_mode_fill_fb_struct(dev
, &vfbs
->base
.base
, mode_cmd
);
1038 vfbs
->surface
= vmw_surface_reference(surface
);
1039 vfbs
->base
.user_handle
= mode_cmd
->handles
[0];
1040 vfbs
->is_dmabuf_proxy
= is_dmabuf_proxy
;
1044 ret
= drm_framebuffer_init(dev
, &vfbs
->base
.base
,
1045 &vmw_framebuffer_surface_funcs
);
1052 vmw_surface_unreference(&surface
);
1059 * Dmabuf framebuffer code
1062 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer
*framebuffer
)
1064 struct vmw_framebuffer_dmabuf
*vfbd
=
1065 vmw_framebuffer_to_vfbd(framebuffer
);
1067 drm_framebuffer_cleanup(framebuffer
);
1068 vmw_dmabuf_unreference(&vfbd
->buffer
);
1069 if (vfbd
->base
.user_obj
)
1070 ttm_base_object_unref(&vfbd
->base
.user_obj
);
1075 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer
*framebuffer
,
1076 struct drm_file
*file_priv
,
1077 unsigned flags
, unsigned color
,
1078 struct drm_clip_rect
*clips
,
1081 struct vmw_private
*dev_priv
= vmw_priv(framebuffer
->dev
);
1082 struct vmw_framebuffer_dmabuf
*vfbd
=
1083 vmw_framebuffer_to_vfbd(framebuffer
);
1084 struct drm_clip_rect norect
;
1085 int ret
, increment
= 1;
1087 drm_modeset_lock_all(dev_priv
->dev
);
1089 ret
= ttm_read_lock(&dev_priv
->reservation_sem
, true);
1090 if (unlikely(ret
!= 0)) {
1091 drm_modeset_unlock_all(dev_priv
->dev
);
1098 norect
.x1
= norect
.y1
= 0;
1099 norect
.x2
= framebuffer
->width
;
1100 norect
.y2
= framebuffer
->height
;
1101 } else if (flags
& DRM_MODE_FB_DIRTY_ANNOTATE_COPY
) {
1106 switch (dev_priv
->active_display_unit
) {
1107 case vmw_du_screen_target
:
1108 ret
= vmw_kms_stdu_dma(dev_priv
, NULL
, &vfbd
->base
, NULL
,
1109 clips
, NULL
, num_clips
, increment
,
1112 case vmw_du_screen_object
:
1113 ret
= vmw_kms_sou_do_dmabuf_dirty(dev_priv
, &vfbd
->base
,
1114 clips
, NULL
, num_clips
,
1115 increment
, true, NULL
);
1118 ret
= vmw_kms_ldu_do_dmabuf_dirty(dev_priv
, &vfbd
->base
, 0, 0,
1119 clips
, num_clips
, increment
);
1123 WARN_ONCE(true, "Dirty called with invalid display system.\n");
1127 vmw_fifo_flush(dev_priv
, false);
1128 ttm_read_unlock(&dev_priv
->reservation_sem
);
1130 drm_modeset_unlock_all(dev_priv
->dev
);
1135 static const struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs
= {
1136 .destroy
= vmw_framebuffer_dmabuf_destroy
,
1137 .dirty
= vmw_framebuffer_dmabuf_dirty
,
1141 * Pin the dmabuffer to the start of vram.
1143 static int vmw_framebuffer_pin(struct vmw_framebuffer
*vfb
)
1145 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1146 struct vmw_dma_buffer
*buf
;
1149 buf
= vfb
->dmabuf
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1150 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1155 switch (dev_priv
->active_display_unit
) {
1157 vmw_overlay_pause_all(dev_priv
);
1158 ret
= vmw_dmabuf_pin_in_start_of_vram(dev_priv
, buf
, false);
1159 vmw_overlay_resume_all(dev_priv
);
1161 case vmw_du_screen_object
:
1162 case vmw_du_screen_target
:
1164 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv
, buf
,
1167 return vmw_dmabuf_pin_in_placement(dev_priv
, buf
,
1168 &vmw_mob_placement
, false);
1176 static int vmw_framebuffer_unpin(struct vmw_framebuffer
*vfb
)
1178 struct vmw_private
*dev_priv
= vmw_priv(vfb
->base
.dev
);
1179 struct vmw_dma_buffer
*buf
;
1181 buf
= vfb
->dmabuf
? vmw_framebuffer_to_vfbd(&vfb
->base
)->buffer
:
1182 vmw_framebuffer_to_vfbs(&vfb
->base
)->surface
->res
.backup
;
1187 return vmw_dmabuf_unpin(dev_priv
, buf
, false);
1191 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
1194 * @mode_cmd: parameters for the new surface
1195 * @dmabuf_mob: MOB backing the DMA buf
1196 * @srf_out: newly created surface
1198 * When the content FB is a DMA buf, we create a surface as a proxy to the
1199 * same buffer. This way we can do a surface copy rather than a surface DMA.
1200 * This is a more efficient approach
1203 * 0 on success, error code otherwise
1205 static int vmw_create_dmabuf_proxy(struct drm_device
*dev
,
1206 const struct drm_mode_fb_cmd2
*mode_cmd
,
1207 struct vmw_dma_buffer
*dmabuf_mob
,
1208 struct vmw_surface
**srf_out
)
1211 struct drm_vmw_size content_base_size
= {0};
1212 struct vmw_resource
*res
;
1213 unsigned int bytes_pp
;
1214 struct drm_format_name_buf format_name
;
1217 switch (mode_cmd
->pixel_format
) {
1218 case DRM_FORMAT_ARGB8888
:
1219 case DRM_FORMAT_XRGB8888
:
1220 format
= SVGA3D_X8R8G8B8
;
1224 case DRM_FORMAT_RGB565
:
1225 case DRM_FORMAT_XRGB1555
:
1226 format
= SVGA3D_R5G6B5
;
1236 DRM_ERROR("Invalid framebuffer format %s\n",
1237 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1241 content_base_size
.width
= mode_cmd
->pitches
[0] / bytes_pp
;
1242 content_base_size
.height
= mode_cmd
->height
;
1243 content_base_size
.depth
= 1;
1245 ret
= vmw_surface_gb_priv_define(dev
,
1246 0, /* kernel visible only */
1249 true, /* can be a scanout buffer */
1250 1, /* num of mip levels */
1256 DRM_ERROR("Failed to allocate proxy content buffer\n");
1260 res
= &(*srf_out
)->res
;
1262 /* Reserve and switch the backing mob. */
1263 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
1264 (void) vmw_resource_reserve(res
, false, true);
1265 vmw_dmabuf_unreference(&res
->backup
);
1266 res
->backup
= vmw_dmabuf_reference(dmabuf_mob
);
1267 res
->backup_offset
= 0;
1268 vmw_resource_unreserve(res
, false, NULL
, 0);
1269 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
1276 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private
*dev_priv
,
1277 struct vmw_dma_buffer
*dmabuf
,
1278 struct vmw_framebuffer
**out
,
1279 const struct drm_mode_fb_cmd2
1283 struct drm_device
*dev
= dev_priv
->dev
;
1284 struct vmw_framebuffer_dmabuf
*vfbd
;
1285 unsigned int requested_size
;
1286 struct drm_format_name_buf format_name
;
1289 requested_size
= mode_cmd
->height
* mode_cmd
->pitches
[0];
1290 if (unlikely(requested_size
> dmabuf
->base
.num_pages
* PAGE_SIZE
)) {
1291 DRM_ERROR("Screen buffer object size is too small "
1292 "for requested mode.\n");
1296 /* Limited framebuffer color depth support for screen objects */
1297 if (dev_priv
->active_display_unit
== vmw_du_screen_object
) {
1298 switch (mode_cmd
->pixel_format
) {
1299 case DRM_FORMAT_XRGB8888
:
1300 case DRM_FORMAT_ARGB8888
:
1302 case DRM_FORMAT_XRGB1555
:
1303 case DRM_FORMAT_RGB565
:
1306 DRM_ERROR("Invalid pixel format: %s\n",
1307 drm_get_format_name(mode_cmd
->pixel_format
, &format_name
));
1312 vfbd
= kzalloc(sizeof(*vfbd
), GFP_KERNEL
);
1318 drm_helper_mode_fill_fb_struct(dev
, &vfbd
->base
.base
, mode_cmd
);
1319 vfbd
->base
.dmabuf
= true;
1320 vfbd
->buffer
= vmw_dmabuf_reference(dmabuf
);
1321 vfbd
->base
.user_handle
= mode_cmd
->handles
[0];
1324 ret
= drm_framebuffer_init(dev
, &vfbd
->base
.base
,
1325 &vmw_framebuffer_dmabuf_funcs
);
1332 vmw_dmabuf_unreference(&dmabuf
);
1340 * vmw_kms_srf_ok - check if a surface can be created
1342 * @width: requested width
1343 * @height: requested height
1345 * Surfaces need to be less than texture size
1348 vmw_kms_srf_ok(struct vmw_private
*dev_priv
, uint32_t width
, uint32_t height
)
1350 if (width
> dev_priv
->texture_max_width
||
1351 height
> dev_priv
->texture_max_height
)
1358 * vmw_kms_new_framebuffer - Create a new framebuffer.
1360 * @dev_priv: Pointer to device private struct.
1361 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
1362 * Either @dmabuf or @surface must be NULL.
1363 * @surface: Pointer to a surface to wrap the kms framebuffer around.
1364 * Either @dmabuf or @surface must be NULL.
1365 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
1366 * Helps the code to do some important optimizations.
1367 * @mode_cmd: Frame-buffer metadata.
1369 struct vmw_framebuffer
*
1370 vmw_kms_new_framebuffer(struct vmw_private
*dev_priv
,
1371 struct vmw_dma_buffer
*dmabuf
,
1372 struct vmw_surface
*surface
,
1374 const struct drm_mode_fb_cmd2
*mode_cmd
)
1376 struct vmw_framebuffer
*vfb
= NULL
;
1377 bool is_dmabuf_proxy
= false;
1381 * We cannot use the SurfaceDMA command in an non-accelerated VM,
1382 * therefore, wrap the DMA buf in a surface so we can use the
1383 * SurfaceCopy command.
1385 if (vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
) &&
1386 dmabuf
&& only_2d
&&
1387 mode_cmd
->width
> 64 && /* Don't create a proxy for cursor */
1388 dev_priv
->active_display_unit
== vmw_du_screen_target
) {
1389 ret
= vmw_create_dmabuf_proxy(dev_priv
->dev
, mode_cmd
,
1392 return ERR_PTR(ret
);
1394 is_dmabuf_proxy
= true;
1397 /* Create the new framebuffer depending one what we have */
1399 ret
= vmw_kms_new_framebuffer_surface(dev_priv
, surface
, &vfb
,
1404 * vmw_create_dmabuf_proxy() adds a reference that is no longer
1407 if (is_dmabuf_proxy
)
1408 vmw_surface_unreference(&surface
);
1409 } else if (dmabuf
) {
1410 ret
= vmw_kms_new_framebuffer_dmabuf(dev_priv
, dmabuf
, &vfb
,
1417 return ERR_PTR(ret
);
1419 vfb
->pin
= vmw_framebuffer_pin
;
1420 vfb
->unpin
= vmw_framebuffer_unpin
;
1426 * Generic Kernel modesetting functions
1429 static struct drm_framebuffer
*vmw_kms_fb_create(struct drm_device
*dev
,
1430 struct drm_file
*file_priv
,
1431 const struct drm_mode_fb_cmd2
*mode_cmd
)
1433 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1434 struct ttm_object_file
*tfile
= vmw_fpriv(file_priv
)->tfile
;
1435 struct vmw_framebuffer
*vfb
= NULL
;
1436 struct vmw_surface
*surface
= NULL
;
1437 struct vmw_dma_buffer
*bo
= NULL
;
1438 struct ttm_base_object
*user_obj
;
1442 * This code should be conditioned on Screen Objects not being used.
1443 * If screen objects are used, we can allocate a GMR to hold the
1444 * requested framebuffer.
1447 if (!vmw_kms_validate_mode_vram(dev_priv
,
1448 mode_cmd
->pitches
[0],
1449 mode_cmd
->height
)) {
1450 DRM_ERROR("Requested mode exceed bounding box limit.\n");
1451 return ERR_PTR(-ENOMEM
);
1455 * Take a reference on the user object of the resource
1456 * backing the kms fb. This ensures that user-space handle
1457 * lookups on that resource will always work as long as
1458 * it's registered with a kms framebuffer. This is important,
1459 * since vmw_execbuf_process identifies resources in the
1460 * command stream using user-space handles.
1463 user_obj
= ttm_base_object_lookup(tfile
, mode_cmd
->handles
[0]);
1464 if (unlikely(user_obj
== NULL
)) {
1465 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1466 return ERR_PTR(-ENOENT
);
1470 * End conditioned code.
1473 /* returns either a dmabuf or surface */
1474 ret
= vmw_user_lookup_handle(dev_priv
, tfile
,
1475 mode_cmd
->handles
[0],
1482 !vmw_kms_srf_ok(dev_priv
, mode_cmd
->width
, mode_cmd
->height
)) {
1483 DRM_ERROR("Surface size cannot exceed %dx%d",
1484 dev_priv
->texture_max_width
,
1485 dev_priv
->texture_max_height
);
1490 vfb
= vmw_kms_new_framebuffer(dev_priv
, bo
, surface
,
1491 !(dev_priv
->capabilities
& SVGA_CAP_3D
),
1499 /* vmw_user_lookup_handle takes one ref so does new_fb */
1501 vmw_dmabuf_unreference(&bo
);
1503 vmw_surface_unreference(&surface
);
1506 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret
);
1507 ttm_base_object_unref(&user_obj
);
1508 return ERR_PTR(ret
);
1510 vfb
->user_obj
= user_obj
;
1518 * vmw_kms_atomic_check_modeset- validate state object for modeset changes
1521 * @state: the driver state object
1523 * This is a simple wrapper around drm_atomic_helper_check_modeset() for
1524 * us to assign a value to mode->crtc_clock so that
1525 * drm_calc_timestamping_constants() won't throw an error message
1528 * Zero for success or -errno
1531 vmw_kms_atomic_check_modeset(struct drm_device
*dev
,
1532 struct drm_atomic_state
*state
)
1534 struct drm_crtc_state
*crtc_state
;
1535 struct drm_crtc
*crtc
;
1536 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1540 for_each_crtc_in_state(state
, crtc
, crtc_state
, i
) {
1541 unsigned long requested_bb_mem
= 0;
1543 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
1544 if (crtc
->primary
->fb
) {
1545 int cpp
= crtc
->primary
->fb
->pitches
[0] /
1546 crtc
->primary
->fb
->width
;
1548 requested_bb_mem
+= crtc
->mode
.hdisplay
* cpp
*
1549 crtc
->mode
.vdisplay
;
1552 if (requested_bb_mem
> dev_priv
->prim_bb_mem
)
1557 return drm_atomic_helper_check(dev
, state
);
1561 static const struct drm_mode_config_funcs vmw_kms_funcs
= {
1562 .fb_create
= vmw_kms_fb_create
,
1563 .atomic_check
= vmw_kms_atomic_check_modeset
,
1564 .atomic_commit
= drm_atomic_helper_commit
,
1567 static int vmw_kms_generic_present(struct vmw_private
*dev_priv
,
1568 struct drm_file
*file_priv
,
1569 struct vmw_framebuffer
*vfb
,
1570 struct vmw_surface
*surface
,
1572 int32_t destX
, int32_t destY
,
1573 struct drm_vmw_rect
*clips
,
1576 return vmw_kms_sou_do_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1577 &surface
->res
, destX
, destY
,
1578 num_clips
, 1, NULL
);
1582 int vmw_kms_present(struct vmw_private
*dev_priv
,
1583 struct drm_file
*file_priv
,
1584 struct vmw_framebuffer
*vfb
,
1585 struct vmw_surface
*surface
,
1587 int32_t destX
, int32_t destY
,
1588 struct drm_vmw_rect
*clips
,
1593 switch (dev_priv
->active_display_unit
) {
1594 case vmw_du_screen_target
:
1595 ret
= vmw_kms_stdu_surface_dirty(dev_priv
, vfb
, NULL
, clips
,
1596 &surface
->res
, destX
, destY
,
1597 num_clips
, 1, NULL
);
1599 case vmw_du_screen_object
:
1600 ret
= vmw_kms_generic_present(dev_priv
, file_priv
, vfb
, surface
,
1601 sid
, destX
, destY
, clips
,
1606 "Present called with invalid display system.\n");
1613 vmw_fifo_flush(dev_priv
, false);
1619 vmw_kms_create_hotplug_mode_update_property(struct vmw_private
*dev_priv
)
1621 if (dev_priv
->hotplug_mode_update_property
)
1624 dev_priv
->hotplug_mode_update_property
=
1625 drm_property_create_range(dev_priv
->dev
,
1626 DRM_MODE_PROP_IMMUTABLE
,
1627 "hotplug_mode_update", 0, 1);
1629 if (!dev_priv
->hotplug_mode_update_property
)
1634 int vmw_kms_init(struct vmw_private
*dev_priv
)
1636 struct drm_device
*dev
= dev_priv
->dev
;
1639 drm_mode_config_init(dev
);
1640 dev
->mode_config
.funcs
= &vmw_kms_funcs
;
1641 dev
->mode_config
.min_width
= 1;
1642 dev
->mode_config
.min_height
= 1;
1643 dev
->mode_config
.max_width
= dev_priv
->texture_max_width
;
1644 dev
->mode_config
.max_height
= dev_priv
->texture_max_height
;
1646 drm_mode_create_suggested_offset_properties(dev
);
1647 vmw_kms_create_hotplug_mode_update_property(dev_priv
);
1649 ret
= vmw_kms_stdu_init_display(dev_priv
);
1651 ret
= vmw_kms_sou_init_display(dev_priv
);
1652 if (ret
) /* Fallback */
1653 ret
= vmw_kms_ldu_init_display(dev_priv
);
1659 int vmw_kms_close(struct vmw_private
*dev_priv
)
1664 * Docs says we should take the lock before calling this function
1665 * but since it destroys encoders and our destructor calls
1666 * drm_encoder_cleanup which takes the lock we deadlock.
1668 drm_mode_config_cleanup(dev_priv
->dev
);
1669 if (dev_priv
->active_display_unit
== vmw_du_screen_object
)
1670 ret
= vmw_kms_sou_close_display(dev_priv
);
1671 else if (dev_priv
->active_display_unit
== vmw_du_screen_target
)
1672 ret
= vmw_kms_stdu_close_display(dev_priv
);
1674 ret
= vmw_kms_ldu_close_display(dev_priv
);
1679 int vmw_kms_cursor_bypass_ioctl(struct drm_device
*dev
, void *data
,
1680 struct drm_file
*file_priv
)
1682 struct drm_vmw_cursor_bypass_arg
*arg
= data
;
1683 struct vmw_display_unit
*du
;
1684 struct drm_crtc
*crtc
;
1688 mutex_lock(&dev
->mode_config
.mutex
);
1689 if (arg
->flags
& DRM_VMW_CURSOR_BYPASS_ALL
) {
1691 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
1692 du
= vmw_crtc_to_du(crtc
);
1693 du
->hotspot_x
= arg
->xhot
;
1694 du
->hotspot_y
= arg
->yhot
;
1697 mutex_unlock(&dev
->mode_config
.mutex
);
1701 crtc
= drm_crtc_find(dev
, arg
->crtc_id
);
1707 du
= vmw_crtc_to_du(crtc
);
1709 du
->hotspot_x
= arg
->xhot
;
1710 du
->hotspot_y
= arg
->yhot
;
1713 mutex_unlock(&dev
->mode_config
.mutex
);
1718 int vmw_kms_write_svga(struct vmw_private
*vmw_priv
,
1719 unsigned width
, unsigned height
, unsigned pitch
,
1720 unsigned bpp
, unsigned depth
)
1722 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1723 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
, pitch
);
1724 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1725 vmw_mmio_write(pitch
, vmw_priv
->mmio_virt
+
1726 SVGA_FIFO_PITCHLOCK
);
1727 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, width
);
1728 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, height
);
1729 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, bpp
);
1731 if (vmw_read(vmw_priv
, SVGA_REG_DEPTH
) != depth
) {
1732 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1733 depth
, bpp
, vmw_read(vmw_priv
, SVGA_REG_DEPTH
));
1740 int vmw_kms_save_vga(struct vmw_private
*vmw_priv
)
1742 struct vmw_vga_topology_state
*save
;
1745 vmw_priv
->vga_width
= vmw_read(vmw_priv
, SVGA_REG_WIDTH
);
1746 vmw_priv
->vga_height
= vmw_read(vmw_priv
, SVGA_REG_HEIGHT
);
1747 vmw_priv
->vga_bpp
= vmw_read(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
);
1748 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1749 vmw_priv
->vga_pitchlock
=
1750 vmw_read(vmw_priv
, SVGA_REG_PITCHLOCK
);
1751 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1752 vmw_priv
->vga_pitchlock
= vmw_mmio_read(vmw_priv
->mmio_virt
+
1753 SVGA_FIFO_PITCHLOCK
);
1755 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1758 vmw_priv
->num_displays
= vmw_read(vmw_priv
,
1759 SVGA_REG_NUM_GUEST_DISPLAYS
);
1761 if (vmw_priv
->num_displays
== 0)
1762 vmw_priv
->num_displays
= 1;
1764 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1765 save
= &vmw_priv
->vga_save
[i
];
1766 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1767 save
->primary
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
);
1768 save
->pos_x
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
);
1769 save
->pos_y
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
);
1770 save
->width
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
);
1771 save
->height
= vmw_read(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
);
1772 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1773 if (i
== 0 && vmw_priv
->num_displays
== 1 &&
1774 save
->width
== 0 && save
->height
== 0) {
1777 * It should be fairly safe to assume that these
1778 * values are uninitialized.
1781 save
->width
= vmw_priv
->vga_width
- save
->pos_x
;
1782 save
->height
= vmw_priv
->vga_height
- save
->pos_y
;
1789 int vmw_kms_restore_vga(struct vmw_private
*vmw_priv
)
1791 struct vmw_vga_topology_state
*save
;
1794 vmw_write(vmw_priv
, SVGA_REG_WIDTH
, vmw_priv
->vga_width
);
1795 vmw_write(vmw_priv
, SVGA_REG_HEIGHT
, vmw_priv
->vga_height
);
1796 vmw_write(vmw_priv
, SVGA_REG_BITS_PER_PIXEL
, vmw_priv
->vga_bpp
);
1797 if (vmw_priv
->capabilities
& SVGA_CAP_PITCHLOCK
)
1798 vmw_write(vmw_priv
, SVGA_REG_PITCHLOCK
,
1799 vmw_priv
->vga_pitchlock
);
1800 else if (vmw_fifo_have_pitchlock(vmw_priv
))
1801 vmw_mmio_write(vmw_priv
->vga_pitchlock
,
1802 vmw_priv
->mmio_virt
+ SVGA_FIFO_PITCHLOCK
);
1804 if (!(vmw_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
))
1807 for (i
= 0; i
< vmw_priv
->num_displays
; ++i
) {
1808 save
= &vmw_priv
->vga_save
[i
];
1809 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, i
);
1810 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_IS_PRIMARY
, save
->primary
);
1811 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_X
, save
->pos_x
);
1812 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_POSITION_Y
, save
->pos_y
);
1813 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_WIDTH
, save
->width
);
1814 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_HEIGHT
, save
->height
);
1815 vmw_write(vmw_priv
, SVGA_REG_DISPLAY_ID
, SVGA_ID_INVALID
);
1821 bool vmw_kms_validate_mode_vram(struct vmw_private
*dev_priv
,
1825 return ((u64
) pitch
* (u64
) height
) < (u64
)
1826 ((dev_priv
->active_display_unit
== vmw_du_screen_target
) ?
1827 dev_priv
->prim_bb_mem
: dev_priv
->vram_size
);
1832 * Function called by DRM code called with vbl_lock held.
1834 u32
vmw_get_vblank_counter(struct drm_device
*dev
, unsigned int pipe
)
1840 * Function called by DRM code called with vbl_lock held.
1842 int vmw_enable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1848 * Function called by DRM code called with vbl_lock held.
1850 void vmw_disable_vblank(struct drm_device
*dev
, unsigned int pipe
)
1856 * Small shared kms functions.
1859 static int vmw_du_update_layout(struct vmw_private
*dev_priv
, unsigned num
,
1860 struct drm_vmw_rect
*rects
)
1862 struct drm_device
*dev
= dev_priv
->dev
;
1863 struct vmw_display_unit
*du
;
1864 struct drm_connector
*con
;
1866 mutex_lock(&dev
->mode_config
.mutex
);
1872 DRM_INFO("%s: new layout ", __func__
);
1873 for (i
= 0; i
< num
; i
++)
1874 DRM_INFO("(%i, %i %ux%u) ", rects
[i
].x
, rects
[i
].y
,
1875 rects
[i
].w
, rects
[i
].h
);
1880 list_for_each_entry(con
, &dev
->mode_config
.connector_list
, head
) {
1881 du
= vmw_connector_to_du(con
);
1882 if (num
> du
->unit
) {
1883 du
->pref_width
= rects
[du
->unit
].w
;
1884 du
->pref_height
= rects
[du
->unit
].h
;
1885 du
->pref_active
= true;
1886 du
->gui_x
= rects
[du
->unit
].x
;
1887 du
->gui_y
= rects
[du
->unit
].y
;
1888 drm_object_property_set_value
1889 (&con
->base
, dev
->mode_config
.suggested_x_property
,
1891 drm_object_property_set_value
1892 (&con
->base
, dev
->mode_config
.suggested_y_property
,
1895 du
->pref_width
= 800;
1896 du
->pref_height
= 600;
1897 du
->pref_active
= false;
1898 drm_object_property_set_value
1899 (&con
->base
, dev
->mode_config
.suggested_x_property
,
1901 drm_object_property_set_value
1902 (&con
->base
, dev
->mode_config
.suggested_y_property
,
1905 con
->status
= vmw_du_connector_detect(con
, true);
1908 mutex_unlock(&dev
->mode_config
.mutex
);
1909 drm_sysfs_hotplug_event(dev
);
1914 int vmw_du_crtc_gamma_set(struct drm_crtc
*crtc
,
1915 u16
*r
, u16
*g
, u16
*b
,
1917 struct drm_modeset_acquire_ctx
*ctx
)
1919 struct vmw_private
*dev_priv
= vmw_priv(crtc
->dev
);
1922 for (i
= 0; i
< size
; i
++) {
1923 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i
,
1925 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 0, r
[i
] >> 8);
1926 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 1, g
[i
] >> 8);
1927 vmw_write(dev_priv
, SVGA_PALETTE_BASE
+ i
* 3 + 2, b
[i
] >> 8);
1933 int vmw_du_connector_dpms(struct drm_connector
*connector
, int mode
)
1938 enum drm_connector_status
1939 vmw_du_connector_detect(struct drm_connector
*connector
, bool force
)
1941 uint32_t num_displays
;
1942 struct drm_device
*dev
= connector
->dev
;
1943 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1944 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
1946 num_displays
= vmw_read(dev_priv
, SVGA_REG_NUM_DISPLAYS
);
1948 return ((vmw_connector_to_du(connector
)->unit
< num_displays
&&
1950 connector_status_connected
: connector_status_disconnected
);
1953 static struct drm_display_mode vmw_kms_connector_builtin
[] = {
1955 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
1956 752, 800, 0, 480, 489, 492, 525, 0,
1957 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1959 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
1960 968, 1056, 0, 600, 601, 605, 628, 0,
1961 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1963 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
1964 1184, 1344, 0, 768, 771, 777, 806, 0,
1965 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1967 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
1968 1344, 1600, 0, 864, 865, 868, 900, 0,
1969 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1971 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
1972 1472, 1664, 0, 768, 771, 778, 798, 0,
1973 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1975 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
1976 1480, 1680, 0, 800, 803, 809, 831, 0,
1977 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
1979 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
1980 1488, 1800, 0, 960, 961, 964, 1000, 0,
1981 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1982 /* 1280x1024@60Hz */
1983 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
1984 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1985 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1987 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
1988 1536, 1792, 0, 768, 771, 777, 795, 0,
1989 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1990 /* 1440x1050@60Hz */
1991 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
1992 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1993 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1995 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
1996 1672, 1904, 0, 900, 903, 909, 934, 0,
1997 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1998 /* 1600x1200@60Hz */
1999 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
2000 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
2001 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2002 /* 1680x1050@60Hz */
2003 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
2004 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
2005 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2006 /* 1792x1344@60Hz */
2007 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
2008 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
2009 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2010 /* 1853x1392@60Hz */
2011 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
2012 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
2013 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2014 /* 1920x1200@60Hz */
2015 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
2016 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
2017 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2018 /* 1920x1440@60Hz */
2019 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
2020 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
2021 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2022 /* 2560x1600@60Hz */
2023 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
2024 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
2025 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
2027 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
2031 * vmw_guess_mode_timing - Provide fake timings for a
2032 * 60Hz vrefresh mode.
2034 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
2035 * members filled in.
2037 void vmw_guess_mode_timing(struct drm_display_mode
*mode
)
2039 mode
->hsync_start
= mode
->hdisplay
+ 50;
2040 mode
->hsync_end
= mode
->hsync_start
+ 50;
2041 mode
->htotal
= mode
->hsync_end
+ 50;
2043 mode
->vsync_start
= mode
->vdisplay
+ 50;
2044 mode
->vsync_end
= mode
->vsync_start
+ 50;
2045 mode
->vtotal
= mode
->vsync_end
+ 50;
2047 mode
->clock
= (u32
)mode
->htotal
* (u32
)mode
->vtotal
/ 100 * 6;
2048 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2052 int vmw_du_connector_fill_modes(struct drm_connector
*connector
,
2053 uint32_t max_width
, uint32_t max_height
)
2055 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2056 struct drm_device
*dev
= connector
->dev
;
2057 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2058 struct drm_display_mode
*mode
= NULL
;
2059 struct drm_display_mode
*bmode
;
2060 struct drm_display_mode prefmode
= { DRM_MODE("preferred",
2061 DRM_MODE_TYPE_DRIVER
| DRM_MODE_TYPE_PREFERRED
,
2062 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2063 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
)
2066 u32 assumed_bpp
= 4;
2068 if (dev_priv
->assume_16bpp
)
2071 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
2072 max_width
= min(max_width
, dev_priv
->stdu_max_width
);
2073 max_width
= min(max_width
, dev_priv
->texture_max_width
);
2075 max_height
= min(max_height
, dev_priv
->stdu_max_height
);
2076 max_height
= min(max_height
, dev_priv
->texture_max_height
);
2079 /* Add preferred mode */
2080 mode
= drm_mode_duplicate(dev
, &prefmode
);
2083 mode
->hdisplay
= du
->pref_width
;
2084 mode
->vdisplay
= du
->pref_height
;
2085 vmw_guess_mode_timing(mode
);
2087 if (vmw_kms_validate_mode_vram(dev_priv
,
2088 mode
->hdisplay
* assumed_bpp
,
2090 drm_mode_probed_add(connector
, mode
);
2092 drm_mode_destroy(dev
, mode
);
2096 if (du
->pref_mode
) {
2097 list_del_init(&du
->pref_mode
->head
);
2098 drm_mode_destroy(dev
, du
->pref_mode
);
2101 /* mode might be null here, this is intended */
2102 du
->pref_mode
= mode
;
2104 for (i
= 0; vmw_kms_connector_builtin
[i
].type
!= 0; i
++) {
2105 bmode
= &vmw_kms_connector_builtin
[i
];
2106 if (bmode
->hdisplay
> max_width
||
2107 bmode
->vdisplay
> max_height
)
2110 if (!vmw_kms_validate_mode_vram(dev_priv
,
2111 bmode
->hdisplay
* assumed_bpp
,
2115 mode
= drm_mode_duplicate(dev
, bmode
);
2118 mode
->vrefresh
= drm_mode_vrefresh(mode
);
2120 drm_mode_probed_add(connector
, mode
);
2123 drm_mode_connector_list_update(connector
);
2124 /* Move the prefered mode first, help apps pick the right mode. */
2125 drm_mode_sort(&connector
->modes
);
2130 int vmw_du_connector_set_property(struct drm_connector
*connector
,
2131 struct drm_property
*property
,
2134 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2135 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2137 if (property
== dev_priv
->implicit_placement_property
)
2138 du
->is_implicit
= val
;
2146 * vmw_du_connector_atomic_set_property - Atomic version of get property
2148 * @crtc - crtc the property is associated with
2151 * Zero on success, negative errno on failure.
2154 vmw_du_connector_atomic_set_property(struct drm_connector
*connector
,
2155 struct drm_connector_state
*state
,
2156 struct drm_property
*property
,
2159 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2160 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2161 struct vmw_display_unit
*du
= vmw_connector_to_du(connector
);
2164 if (property
== dev_priv
->implicit_placement_property
) {
2165 vcs
->is_implicit
= val
;
2168 * We should really be doing a drm_atomic_commit() to
2169 * commit the new state, but since this doesn't cause
2170 * an immedate state change, this is probably ok
2172 du
->is_implicit
= vcs
->is_implicit
;
2182 * vmw_du_connector_atomic_get_property - Atomic version of get property
2184 * @connector - connector the property is associated with
2187 * Zero on success, negative errno on failure.
2190 vmw_du_connector_atomic_get_property(struct drm_connector
*connector
,
2191 const struct drm_connector_state
*state
,
2192 struct drm_property
*property
,
2195 struct vmw_private
*dev_priv
= vmw_priv(connector
->dev
);
2196 struct vmw_connector_state
*vcs
= vmw_connector_state_to_vcs(state
);
2198 if (property
== dev_priv
->implicit_placement_property
)
2199 *val
= vcs
->is_implicit
;
2201 DRM_ERROR("Invalid Property %s\n", property
->name
);
2209 int vmw_kms_update_layout_ioctl(struct drm_device
*dev
, void *data
,
2210 struct drm_file
*file_priv
)
2212 struct vmw_private
*dev_priv
= vmw_priv(dev
);
2213 struct drm_vmw_update_layout_arg
*arg
=
2214 (struct drm_vmw_update_layout_arg
*)data
;
2215 void __user
*user_rects
;
2216 struct drm_vmw_rect
*rects
;
2217 unsigned rects_size
;
2220 u64 total_pixels
= 0;
2221 struct drm_mode_config
*mode_config
= &dev
->mode_config
;
2222 struct drm_vmw_rect bounding_box
= {0};
2224 if (!arg
->num_outputs
) {
2225 struct drm_vmw_rect def_rect
= {0, 0, 800, 600};
2226 vmw_du_update_layout(dev_priv
, 1, &def_rect
);
2230 rects_size
= arg
->num_outputs
* sizeof(struct drm_vmw_rect
);
2231 rects
= kcalloc(arg
->num_outputs
, sizeof(struct drm_vmw_rect
),
2233 if (unlikely(!rects
))
2236 user_rects
= (void __user
*)(unsigned long)arg
->rects
;
2237 ret
= copy_from_user(rects
, user_rects
, rects_size
);
2238 if (unlikely(ret
!= 0)) {
2239 DRM_ERROR("Failed to get rects.\n");
2244 for (i
= 0; i
< arg
->num_outputs
; ++i
) {
2245 if (rects
[i
].x
< 0 ||
2247 rects
[i
].x
+ rects
[i
].w
> mode_config
->max_width
||
2248 rects
[i
].y
+ rects
[i
].h
> mode_config
->max_height
) {
2249 DRM_ERROR("Invalid GUI layout.\n");
2255 * bounding_box.w and bunding_box.h are used as
2256 * lower-right coordinates
2258 if (rects
[i
].x
+ rects
[i
].w
> bounding_box
.w
)
2259 bounding_box
.w
= rects
[i
].x
+ rects
[i
].w
;
2261 if (rects
[i
].y
+ rects
[i
].h
> bounding_box
.h
)
2262 bounding_box
.h
= rects
[i
].y
+ rects
[i
].h
;
2264 total_pixels
+= (u64
) rects
[i
].w
* (u64
) rects
[i
].h
;
2267 if (dev_priv
->active_display_unit
== vmw_du_screen_target
) {
2269 * For Screen Targets, the limits for a toplogy are:
2270 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
2271 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
2273 u64 bb_mem
= (u64
) bounding_box
.w
* bounding_box
.h
* 4;
2274 u64 pixel_mem
= total_pixels
* 4;
2276 if (bb_mem
> dev_priv
->prim_bb_mem
) {
2277 DRM_ERROR("Topology is beyond supported limits.\n");
2282 if (pixel_mem
> dev_priv
->prim_bb_mem
) {
2283 DRM_ERROR("Combined output size too large\n");
2289 vmw_du_update_layout(dev_priv
, arg
->num_outputs
, rects
);
2297 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
2298 * on a set of cliprects and a set of display units.
2300 * @dev_priv: Pointer to a device private structure.
2301 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
2302 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
2303 * Cliprects are given in framebuffer coordinates.
2304 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
2305 * be NULL. Cliprects are given in source coordinates.
2306 * @dest_x: X coordinate offset for the crtc / destination clip rects.
2307 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
2308 * @num_clips: Number of cliprects in the @clips or @vclips array.
2309 * @increment: Integer with which to increment the clip counter when looping.
2310 * Used to skip a predetermined number of clip rects.
2311 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
2313 int vmw_kms_helper_dirty(struct vmw_private
*dev_priv
,
2314 struct vmw_framebuffer
*framebuffer
,
2315 const struct drm_clip_rect
*clips
,
2316 const struct drm_vmw_rect
*vclips
,
2317 s32 dest_x
, s32 dest_y
,
2320 struct vmw_kms_dirty
*dirty
)
2322 struct vmw_display_unit
*units
[VMWGFX_NUM_DISPLAY_UNITS
];
2323 struct drm_crtc
*crtc
;
2327 dirty
->dev_priv
= dev_priv
;
2329 list_for_each_entry(crtc
, &dev_priv
->dev
->mode_config
.crtc_list
, head
) {
2330 if (crtc
->primary
->fb
!= &framebuffer
->base
)
2332 units
[num_units
++] = vmw_crtc_to_du(crtc
);
2335 for (k
= 0; k
< num_units
; k
++) {
2336 struct vmw_display_unit
*unit
= units
[k
];
2337 s32 crtc_x
= unit
->crtc
.x
;
2338 s32 crtc_y
= unit
->crtc
.y
;
2339 s32 crtc_width
= unit
->crtc
.mode
.hdisplay
;
2340 s32 crtc_height
= unit
->crtc
.mode
.vdisplay
;
2341 const struct drm_clip_rect
*clips_ptr
= clips
;
2342 const struct drm_vmw_rect
*vclips_ptr
= vclips
;
2345 if (dirty
->fifo_reserve_size
> 0) {
2346 dirty
->cmd
= vmw_fifo_reserve(dev_priv
,
2347 dirty
->fifo_reserve_size
);
2349 DRM_ERROR("Couldn't reserve fifo space "
2350 "for dirty blits.\n");
2353 memset(dirty
->cmd
, 0, dirty
->fifo_reserve_size
);
2355 dirty
->num_hits
= 0;
2356 for (i
= 0; i
< num_clips
; i
++, clips_ptr
+= increment
,
2357 vclips_ptr
+= increment
) {
2362 * Select clip array type. Note that integer type
2363 * in @clips is unsigned short, whereas in @vclips
2367 dirty
->fb_x
= (s32
) clips_ptr
->x1
;
2368 dirty
->fb_y
= (s32
) clips_ptr
->y1
;
2369 dirty
->unit_x2
= (s32
) clips_ptr
->x2
+ dest_x
-
2371 dirty
->unit_y2
= (s32
) clips_ptr
->y2
+ dest_y
-
2374 dirty
->fb_x
= vclips_ptr
->x
;
2375 dirty
->fb_y
= vclips_ptr
->y
;
2376 dirty
->unit_x2
= dirty
->fb_x
+ vclips_ptr
->w
+
2378 dirty
->unit_y2
= dirty
->fb_y
+ vclips_ptr
->h
+
2382 dirty
->unit_x1
= dirty
->fb_x
+ dest_x
- crtc_x
;
2383 dirty
->unit_y1
= dirty
->fb_y
+ dest_y
- crtc_y
;
2385 /* Skip this clip if it's outside the crtc region */
2386 if (dirty
->unit_x1
>= crtc_width
||
2387 dirty
->unit_y1
>= crtc_height
||
2388 dirty
->unit_x2
<= 0 || dirty
->unit_y2
<= 0)
2391 /* Clip right and bottom to crtc limits */
2392 dirty
->unit_x2
= min_t(s32
, dirty
->unit_x2
,
2394 dirty
->unit_y2
= min_t(s32
, dirty
->unit_y2
,
2397 /* Clip left and top to crtc limits */
2398 clip_left
= min_t(s32
, dirty
->unit_x1
, 0);
2399 clip_top
= min_t(s32
, dirty
->unit_y1
, 0);
2400 dirty
->unit_x1
-= clip_left
;
2401 dirty
->unit_y1
-= clip_top
;
2402 dirty
->fb_x
-= clip_left
;
2403 dirty
->fb_y
-= clip_top
;
2408 dirty
->fifo_commit(dirty
);
2415 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
2416 * command submission.
2418 * @dev_priv. Pointer to a device private structure.
2419 * @buf: The buffer object
2420 * @interruptible: Whether to perform waits as interruptible.
2421 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
2422 * The buffer will be validated as a GMR. Already pinned buffers will not be
2425 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
2426 * interrupted by a signal.
2428 int vmw_kms_helper_buffer_prepare(struct vmw_private
*dev_priv
,
2429 struct vmw_dma_buffer
*buf
,
2431 bool validate_as_mob
)
2433 struct ttm_buffer_object
*bo
= &buf
->base
;
2436 ttm_bo_reserve(bo
, false, false, NULL
);
2437 ret
= vmw_validate_single_buffer(dev_priv
, bo
, interruptible
,
2440 ttm_bo_unreserve(bo
);
2446 * vmw_kms_helper_buffer_revert - Undo the actions of
2447 * vmw_kms_helper_buffer_prepare.
2449 * @res: Pointer to the buffer object.
2451 * Helper to be used if an error forces the caller to undo the actions of
2452 * vmw_kms_helper_buffer_prepare.
2454 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer
*buf
)
2457 ttm_bo_unreserve(&buf
->base
);
2461 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
2462 * kms command submission.
2464 * @dev_priv: Pointer to a device private structure.
2465 * @file_priv: Pointer to a struct drm_file representing the caller's
2466 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
2467 * if non-NULL, @user_fence_rep must be non-NULL.
2468 * @buf: The buffer object.
2469 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2470 * ref-counted fence pointer is returned here.
2471 * @user_fence_rep: Optional pointer to a user-space provided struct
2472 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
2473 * function copies fence data to user-space in a fail-safe manner.
2475 void vmw_kms_helper_buffer_finish(struct vmw_private
*dev_priv
,
2476 struct drm_file
*file_priv
,
2477 struct vmw_dma_buffer
*buf
,
2478 struct vmw_fence_obj
**out_fence
,
2479 struct drm_vmw_fence_rep __user
*
2482 struct vmw_fence_obj
*fence
;
2486 ret
= vmw_execbuf_fence_commands(file_priv
, dev_priv
, &fence
,
2487 file_priv
? &handle
: NULL
);
2489 vmw_fence_single_bo(&buf
->base
, fence
);
2491 vmw_execbuf_copy_fence_user(dev_priv
, vmw_fpriv(file_priv
),
2492 ret
, user_fence_rep
, fence
,
2497 vmw_fence_obj_unreference(&fence
);
2499 vmw_kms_helper_buffer_revert(buf
);
2504 * vmw_kms_helper_resource_revert - Undo the actions of
2505 * vmw_kms_helper_resource_prepare.
2507 * @res: Pointer to the resource. Typically a surface.
2509 * Helper to be used if an error forces the caller to undo the actions of
2510 * vmw_kms_helper_resource_prepare.
2512 void vmw_kms_helper_resource_revert(struct vmw_resource
*res
)
2514 vmw_kms_helper_buffer_revert(res
->backup
);
2515 vmw_resource_unreserve(res
, false, NULL
, 0);
2516 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2520 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
2521 * command submission.
2523 * @res: Pointer to the resource. Typically a surface.
2524 * @interruptible: Whether to perform waits as interruptible.
2526 * Reserves and validates also the backup buffer if a guest-backed resource.
2527 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
2528 * interrupted by a signal.
2530 int vmw_kms_helper_resource_prepare(struct vmw_resource
*res
,
2536 ret
= mutex_lock_interruptible(&res
->dev_priv
->cmdbuf_mutex
);
2538 mutex_lock(&res
->dev_priv
->cmdbuf_mutex
);
2540 if (unlikely(ret
!= 0))
2541 return -ERESTARTSYS
;
2543 ret
= vmw_resource_reserve(res
, interruptible
, false);
2548 ret
= vmw_kms_helper_buffer_prepare(res
->dev_priv
, res
->backup
,
2550 res
->dev_priv
->has_mob
);
2554 ret
= vmw_resource_validate(res
);
2560 vmw_kms_helper_buffer_revert(res
->backup
);
2562 vmw_resource_unreserve(res
, false, NULL
, 0);
2564 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2569 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
2570 * kms command submission.
2572 * @res: Pointer to the resource. Typically a surface.
2573 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2574 * ref-counted fence pointer is returned here.
2576 void vmw_kms_helper_resource_finish(struct vmw_resource
*res
,
2577 struct vmw_fence_obj
**out_fence
)
2579 if (res
->backup
|| out_fence
)
2580 vmw_kms_helper_buffer_finish(res
->dev_priv
, NULL
, res
->backup
,
2583 vmw_resource_unreserve(res
, false, NULL
, 0);
2584 mutex_unlock(&res
->dev_priv
->cmdbuf_mutex
);
2588 * vmw_kms_update_proxy - Helper function to update a proxy surface from
2591 * @res: Pointer to the surface resource
2592 * @clips: Clip rects in framebuffer (surface) space.
2593 * @num_clips: Number of clips in @clips.
2594 * @increment: Integer with which to increment the clip counter when looping.
2595 * Used to skip a predetermined number of clip rects.
2597 * This function makes sure the proxy surface is updated from its backing MOB
2598 * using the region given by @clips. The surface resource @res and its backing
2599 * MOB needs to be reserved and validated on call.
2601 int vmw_kms_update_proxy(struct vmw_resource
*res
,
2602 const struct drm_clip_rect
*clips
,
2606 struct vmw_private
*dev_priv
= res
->dev_priv
;
2607 struct drm_vmw_size
*size
= &vmw_res_to_srf(res
)->base_size
;
2609 SVGA3dCmdHeader header
;
2610 SVGA3dCmdUpdateGBImage body
;
2613 size_t copy_size
= 0;
2619 cmd
= vmw_fifo_reserve(dev_priv
, sizeof(*cmd
) * num_clips
);
2621 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2626 for (i
= 0; i
< num_clips
; ++i
, clips
+= increment
, ++cmd
) {
2627 box
= &cmd
->body
.box
;
2629 cmd
->header
.id
= SVGA_3D_CMD_UPDATE_GB_IMAGE
;
2630 cmd
->header
.size
= sizeof(cmd
->body
);
2631 cmd
->body
.image
.sid
= res
->id
;
2632 cmd
->body
.image
.face
= 0;
2633 cmd
->body
.image
.mipmap
= 0;
2635 if (clips
->x1
> size
->width
|| clips
->x2
> size
->width
||
2636 clips
->y1
> size
->height
|| clips
->y2
> size
->height
) {
2637 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2644 box
->w
= clips
->x2
- clips
->x1
;
2645 box
->h
= clips
->y2
- clips
->y1
;
2648 copy_size
+= sizeof(*cmd
);
2651 vmw_fifo_commit(dev_priv
, copy_size
);
2656 int vmw_kms_fbdev_init_data(struct vmw_private
*dev_priv
,
2660 struct drm_connector
**p_con
,
2661 struct drm_crtc
**p_crtc
,
2662 struct drm_display_mode
**p_mode
)
2664 struct drm_connector
*con
;
2665 struct vmw_display_unit
*du
;
2666 struct drm_display_mode
*mode
;
2669 list_for_each_entry(con
, &dev_priv
->dev
->mode_config
.connector_list
,
2678 DRM_ERROR("Could not find initial display unit.\n");
2682 if (list_empty(&con
->modes
))
2683 (void) vmw_du_connector_fill_modes(con
, max_width
, max_height
);
2685 if (list_empty(&con
->modes
)) {
2686 DRM_ERROR("Could not find initial display mode.\n");
2690 du
= vmw_connector_to_du(con
);
2692 *p_crtc
= &du
->crtc
;
2694 list_for_each_entry(mode
, &con
->modes
, head
) {
2695 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2699 if (mode
->type
& DRM_MODE_TYPE_PREFERRED
)
2702 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2703 *p_mode
= list_first_entry(&con
->modes
,
2704 struct drm_display_mode
,
2712 * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
2714 * @dev_priv: Pointer to a device private struct.
2715 * @du: The display unit of the crtc.
2717 void vmw_kms_del_active(struct vmw_private
*dev_priv
,
2718 struct vmw_display_unit
*du
)
2720 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2721 if (du
->active_implicit
) {
2722 if (--(dev_priv
->num_implicit
) == 0)
2723 dev_priv
->implicit_fb
= NULL
;
2724 du
->active_implicit
= false;
2726 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2730 * vmw_kms_add_active - register a crtc binding to an implicit framebuffer
2732 * @vmw_priv: Pointer to a device private struct.
2733 * @du: The display unit of the crtc.
2734 * @vfb: The implicit framebuffer
2736 * Registers a binding to an implicit framebuffer.
2738 void vmw_kms_add_active(struct vmw_private
*dev_priv
,
2739 struct vmw_display_unit
*du
,
2740 struct vmw_framebuffer
*vfb
)
2742 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2743 WARN_ON_ONCE(!dev_priv
->num_implicit
&& dev_priv
->implicit_fb
);
2745 if (!du
->active_implicit
&& du
->is_implicit
) {
2746 dev_priv
->implicit_fb
= vfb
;
2747 du
->active_implicit
= true;
2748 dev_priv
->num_implicit
++;
2750 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2754 * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
2756 * @dev_priv: Pointer to device-private struct.
2757 * @crtc: The crtc we want to flip.
2759 * Returns true or false depending whether it's OK to flip this crtc
2760 * based on the criterion that we must not have more than one implicit
2761 * frame-buffer at any one time.
2763 bool vmw_kms_crtc_flippable(struct vmw_private
*dev_priv
,
2764 struct drm_crtc
*crtc
)
2766 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2769 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2770 ret
= !du
->is_implicit
|| dev_priv
->num_implicit
== 1;
2771 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2777 * vmw_kms_update_implicit_fb - Update the implicit fb.
2779 * @dev_priv: Pointer to device-private struct.
2780 * @crtc: The crtc the new implicit frame-buffer is bound to.
2782 void vmw_kms_update_implicit_fb(struct vmw_private
*dev_priv
,
2783 struct drm_crtc
*crtc
)
2785 struct vmw_display_unit
*du
= vmw_crtc_to_du(crtc
);
2786 struct vmw_framebuffer
*vfb
;
2788 mutex_lock(&dev_priv
->global_kms_state_mutex
);
2790 if (!du
->is_implicit
)
2793 vfb
= vmw_framebuffer_to_vfb(crtc
->primary
->fb
);
2794 WARN_ON_ONCE(dev_priv
->num_implicit
!= 1 &&
2795 dev_priv
->implicit_fb
!= vfb
);
2797 dev_priv
->implicit_fb
= vfb
;
2799 mutex_unlock(&dev_priv
->global_kms_state_mutex
);
2803 * vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
2806 * @dev_priv: Pointer to a device private struct.
2807 * @immutable: Whether the property is immutable.
2809 * Sets up the implicit placement property unless it's already set up.
2812 vmw_kms_create_implicit_placement_property(struct vmw_private
*dev_priv
,
2815 if (dev_priv
->implicit_placement_property
)
2818 dev_priv
->implicit_placement_property
=
2819 drm_property_create_range(dev_priv
->dev
,
2821 DRM_MODE_PROP_IMMUTABLE
: 0,
2822 "implicit_placement", 0, 1);
2828 * vmw_kms_set_config - Wrapper around drm_atomic_helper_set_config
2830 * @set: The configuration to set.
2832 * The vmwgfx Xorg driver doesn't assign the mode::type member, which
2833 * when drm_mode_set_crtcinfo is called as part of the configuration setting
2834 * causes it to return incorrect crtc dimensions causing severe problems in
2835 * the vmwgfx modesetting. So explicitly clear that member before calling
2836 * into drm_atomic_helper_set_config.
2838 int vmw_kms_set_config(struct drm_mode_set
*set
,
2839 struct drm_modeset_acquire_ctx
*ctx
)
2841 if (set
&& set
->mode
)
2842 set
->mode
->type
= 0;
2844 return drm_atomic_helper_set_config(set
, ctx
);