1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /**************************************************************************
4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "vmwgfx_kms.h"
29 #include <drm/drm_plane_helper.h>
30 #include <drm/drm_atomic.h>
31 #include <drm/drm_atomic_helper.h>
32 #include <drm/drm_rect.h>
34 /* Might need a hrtimer here? */
35 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
37 void vmw_du_cleanup(struct vmw_display_unit *du)
39 drm_plane_cleanup(&du->primary);
40 drm_plane_cleanup(&du->cursor);
42 drm_connector_unregister(&du->connector);
43 drm_crtc_cleanup(&du->crtc);
44 drm_encoder_cleanup(&du->encoder);
45 drm_connector_cleanup(&du->connector);
49 * Display Unit Cursor functions
52 static int vmw_cursor_update_image(struct vmw_private *dev_priv,
53 u32 *image, u32 width, u32 height,
54 u32 hotspotX, u32 hotspotY)
58 SVGAFifoCmdDefineAlphaCursor cursor;
60 u32 image_size = width * height * 4;
61 u32 cmd_size = sizeof(*cmd) + image_size;
66 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
67 if (unlikely(cmd == NULL)) {
68 DRM_ERROR("Fifo reserve failed.\n");
72 memset(cmd, 0, sizeof(*cmd));
74 memcpy(&cmd[1], image, image_size);
76 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
78 cmd->cursor.width = width;
79 cmd->cursor.height = height;
80 cmd->cursor.hotspotX = hotspotX;
81 cmd->cursor.hotspotY = hotspotY;
83 vmw_fifo_commit_flush(dev_priv, cmd_size);
88 static int vmw_cursor_update_bo(struct vmw_private *dev_priv,
89 struct vmw_buffer_object *bo,
90 u32 width, u32 height,
91 u32 hotspotX, u32 hotspotY)
93 struct ttm_bo_kmap_obj map;
94 unsigned long kmap_offset;
95 unsigned long kmap_num;
101 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
103 ret = ttm_bo_reserve(&bo->base, true, false, NULL);
104 if (unlikely(ret != 0)) {
105 DRM_ERROR("reserve failed\n");
109 ret = ttm_bo_kmap(&bo->base, kmap_offset, kmap_num, &map);
110 if (unlikely(ret != 0))
113 virtual = ttm_kmap_obj_virtual(&map, &dummy);
114 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
119 ttm_bo_unreserve(&bo->base);
125 static void vmw_cursor_update_position(struct vmw_private *dev_priv,
126 bool show, int x, int y)
128 u32 *fifo_mem = dev_priv->mmio_virt;
131 spin_lock(&dev_priv->cursor_lock);
132 vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
133 vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
134 vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
135 count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
136 vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
137 spin_unlock(&dev_priv->cursor_lock);
141 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
142 struct ttm_object_file *tfile,
143 struct ttm_buffer_object *bo,
144 SVGA3dCmdHeader *header)
146 struct ttm_bo_kmap_obj map;
147 unsigned long kmap_offset;
148 unsigned long kmap_num;
154 SVGA3dCmdHeader header;
155 SVGA3dCmdSurfaceDMA dma;
159 cmd = container_of(header, struct vmw_dma_cmd, header);
161 /* No snooper installed */
162 if (!srf->snooper.image)
165 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
166 DRM_ERROR("face and mipmap for cursors should never != 0\n");
170 if (cmd->header.size < 64) {
171 DRM_ERROR("at least one full copy box must be given\n");
175 box = (SVGA3dCopyBox *)&cmd[1];
176 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
177 sizeof(SVGA3dCopyBox);
179 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
180 box->x != 0 || box->y != 0 || box->z != 0 ||
181 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
182 box->d != 1 || box_count != 1) {
183 /* TODO handle none page aligned offsets */
184 /* TODO handle more dst & src != 0 */
185 /* TODO handle more then one copy */
186 DRM_ERROR("Cant snoop dma request for cursor!\n");
187 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
188 box->srcx, box->srcy, box->srcz,
189 box->x, box->y, box->z,
190 box->w, box->h, box->d, box_count,
191 cmd->dma.guest.ptr.offset);
195 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
196 kmap_num = (64*64*4) >> PAGE_SHIFT;
198 ret = ttm_bo_reserve(bo, true, false, NULL);
199 if (unlikely(ret != 0)) {
200 DRM_ERROR("reserve failed\n");
204 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
205 if (unlikely(ret != 0))
208 virtual = ttm_kmap_obj_virtual(&map, &dummy);
210 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
211 memcpy(srf->snooper.image, virtual, 64*64*4);
213 /* Image is unsigned pointer. */
214 for (i = 0; i < box->h; i++)
215 memcpy(srf->snooper.image + i * 64,
216 virtual + i * cmd->dma.guest.pitch,
224 ttm_bo_unreserve(bo);
228 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
230 * @dev_priv: Pointer to the device private struct.
232 * Clears all legacy hotspots.
234 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
236 struct drm_device *dev = dev_priv->dev;
237 struct vmw_display_unit *du;
238 struct drm_crtc *crtc;
240 drm_modeset_lock_all(dev);
241 drm_for_each_crtc(crtc, dev) {
242 du = vmw_crtc_to_du(crtc);
247 drm_modeset_unlock_all(dev);
250 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
252 struct drm_device *dev = dev_priv->dev;
253 struct vmw_display_unit *du;
254 struct drm_crtc *crtc;
256 mutex_lock(&dev->mode_config.mutex);
258 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
259 du = vmw_crtc_to_du(crtc);
260 if (!du->cursor_surface ||
261 du->cursor_age == du->cursor_surface->snooper.age)
264 du->cursor_age = du->cursor_surface->snooper.age;
265 vmw_cursor_update_image(dev_priv,
266 du->cursor_surface->snooper.image,
268 du->hotspot_x + du->core_hotspot_x,
269 du->hotspot_y + du->core_hotspot_y);
272 mutex_unlock(&dev->mode_config.mutex);
276 void vmw_du_cursor_plane_destroy(struct drm_plane *plane)
278 vmw_cursor_update_position(plane->dev->dev_private, false, 0, 0);
280 drm_plane_cleanup(plane);
284 void vmw_du_primary_plane_destroy(struct drm_plane *plane)
286 drm_plane_cleanup(plane);
288 /* Planes are static in our case so we don't free it */
293 * vmw_du_vps_unpin_surf - unpins resource associated with a framebuffer surface
295 * @vps: plane state associated with the display surface
296 * @unreference: true if we also want to unreference the display.
298 void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps,
303 vmw_resource_unpin(&vps->surf->res);
309 DRM_ERROR("Surface still pinned\n");
310 vmw_surface_unreference(&vps->surf);
317 * vmw_du_plane_cleanup_fb - Unpins the cursor
319 * @plane: display plane
320 * @old_state: Contains the FB to clean up
322 * Unpins the framebuffer surface
324 * Returns 0 on success
327 vmw_du_plane_cleanup_fb(struct drm_plane *plane,
328 struct drm_plane_state *old_state)
330 struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
332 vmw_du_plane_unpin_surf(vps, false);
337 * vmw_du_cursor_plane_prepare_fb - Readies the cursor by referencing it
339 * @plane: display plane
340 * @new_state: info on the new plane state, including the FB
342 * Returns 0 on success
345 vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
346 struct drm_plane_state *new_state)
348 struct drm_framebuffer *fb = new_state->fb;
349 struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
353 vmw_surface_unreference(&vps->surf);
356 vmw_bo_unreference(&vps->bo);
359 if (vmw_framebuffer_to_vfb(fb)->bo) {
360 vps->bo = vmw_framebuffer_to_vfbd(fb)->buffer;
361 vmw_bo_reference(vps->bo);
363 vps->surf = vmw_framebuffer_to_vfbs(fb)->surface;
364 vmw_surface_reference(vps->surf);
373 vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
374 struct drm_plane_state *old_state)
376 struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc;
377 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
378 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
379 struct vmw_plane_state *vps = vmw_plane_state_to_vps(plane->state);
380 s32 hotspot_x, hotspot_y;
384 hotspot_x = du->hotspot_x;
385 hotspot_y = du->hotspot_y;
387 if (plane->state->fb) {
388 hotspot_x += plane->state->fb->hot_x;
389 hotspot_y += plane->state->fb->hot_y;
392 du->cursor_surface = vps->surf;
393 du->cursor_bo = vps->bo;
396 du->cursor_age = du->cursor_surface->snooper.age;
398 ret = vmw_cursor_update_image(dev_priv,
399 vps->surf->snooper.image,
402 } else if (vps->bo) {
403 ret = vmw_cursor_update_bo(dev_priv, vps->bo,
404 plane->state->crtc_w,
405 plane->state->crtc_h,
406 hotspot_x, hotspot_y);
408 vmw_cursor_update_position(dev_priv, false, 0, 0);
413 du->cursor_x = plane->state->crtc_x + du->set_gui_x;
414 du->cursor_y = plane->state->crtc_y + du->set_gui_y;
416 vmw_cursor_update_position(dev_priv, true,
417 du->cursor_x + hotspot_x,
418 du->cursor_y + hotspot_y);
420 du->core_hotspot_x = hotspot_x - du->hotspot_x;
421 du->core_hotspot_y = hotspot_y - du->hotspot_y;
423 DRM_ERROR("Failed to update cursor image\n");
429 * vmw_du_primary_plane_atomic_check - check if the new state is okay
431 * @plane: display plane
432 * @state: info on the new plane state, including the FB
434 * Check if the new state is settable given the current state. Other
435 * than what the atomic helper checks, we care about crtc fitting
436 * the FB and maintaining one active framebuffer.
438 * Returns 0 on success
440 int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
441 struct drm_plane_state *state)
443 struct drm_crtc_state *crtc_state = NULL;
444 struct drm_framebuffer *new_fb = state->fb;
448 crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
450 ret = drm_atomic_helper_check_plane_state(state, crtc_state,
451 DRM_PLANE_HELPER_NO_SCALING,
452 DRM_PLANE_HELPER_NO_SCALING,
455 if (!ret && new_fb) {
456 struct drm_crtc *crtc = state->crtc;
457 struct vmw_connector_state *vcs;
458 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
459 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
460 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb);
462 vcs = vmw_connector_state_to_vcs(du->connector.state);
464 /* Only one active implicit framebuffer at a time. */
465 mutex_lock(&dev_priv->global_kms_state_mutex);
466 if (vcs->is_implicit && dev_priv->implicit_fb &&
467 !(dev_priv->num_implicit == 1 && du->active_implicit)
468 && dev_priv->implicit_fb != vfb) {
469 DRM_ERROR("Multiple implicit framebuffers "
473 mutex_unlock(&dev_priv->global_kms_state_mutex);
482 * vmw_du_cursor_plane_atomic_check - check if the new state is okay
484 * @plane: cursor plane
485 * @state: info on the new plane state
487 * This is a chance to fail if the new cursor state does not fit
490 * Returns 0 on success
492 int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
493 struct drm_plane_state *new_state)
496 struct vmw_surface *surface = NULL;
497 struct drm_framebuffer *fb = new_state->fb;
499 struct drm_rect src = drm_plane_state_src(new_state);
500 struct drm_rect dest = drm_plane_state_dest(new_state);
506 ret = drm_plane_helper_check_update(plane, new_state->crtc, fb,
509 DRM_PLANE_HELPER_NO_SCALING,
510 DRM_PLANE_HELPER_NO_SCALING,
511 true, true, &new_state->visible);
515 /* A lot of the code assumes this */
516 if (new_state->crtc_w != 64 || new_state->crtc_h != 64) {
517 DRM_ERROR("Invalid cursor dimensions (%d, %d)\n",
518 new_state->crtc_w, new_state->crtc_h);
522 if (!vmw_framebuffer_to_vfb(fb)->bo)
523 surface = vmw_framebuffer_to_vfbs(fb)->surface;
525 if (surface && !surface->snooper.image) {
526 DRM_ERROR("surface not suitable for cursor\n");
534 int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
535 struct drm_crtc_state *new_state)
537 struct vmw_display_unit *du = vmw_crtc_to_du(new_state->crtc);
538 int connector_mask = drm_connector_mask(&du->connector);
539 bool has_primary = new_state->plane_mask &
540 drm_plane_mask(crtc->primary);
542 /* We always want to have an active plane with an active CRTC */
543 if (has_primary != new_state->enable)
547 if (new_state->connector_mask != connector_mask &&
548 new_state->connector_mask != 0) {
549 DRM_ERROR("Invalid connectors configuration\n");
554 * Our virtual device does not have a dot clock, so use the logical
555 * clock value as the dot clock.
557 if (new_state->mode.crtc_clock == 0)
558 new_state->adjusted_mode.crtc_clock = new_state->mode.clock;
564 void vmw_du_crtc_atomic_begin(struct drm_crtc *crtc,
565 struct drm_crtc_state *old_crtc_state)
570 void vmw_du_crtc_atomic_flush(struct drm_crtc *crtc,
571 struct drm_crtc_state *old_crtc_state)
573 struct drm_pending_vblank_event *event = crtc->state->event;
576 crtc->state->event = NULL;
578 spin_lock_irq(&crtc->dev->event_lock);
579 drm_crtc_send_vblank_event(crtc, event);
580 spin_unlock_irq(&crtc->dev->event_lock);
586 * vmw_du_crtc_duplicate_state - duplicate crtc state
589 * Allocates and returns a copy of the crtc state (both common and
590 * vmw-specific) for the specified crtc.
592 * Returns: The newly allocated crtc state, or NULL on failure.
594 struct drm_crtc_state *
595 vmw_du_crtc_duplicate_state(struct drm_crtc *crtc)
597 struct drm_crtc_state *state;
598 struct vmw_crtc_state *vcs;
600 if (WARN_ON(!crtc->state))
603 vcs = kmemdup(crtc->state, sizeof(*vcs), GFP_KERNEL);
610 __drm_atomic_helper_crtc_duplicate_state(crtc, state);
617 * vmw_du_crtc_reset - creates a blank vmw crtc state
620 * Resets the atomic state for @crtc by freeing the state pointer (which
621 * might be NULL, e.g. at driver load time) and allocating a new empty state
624 void vmw_du_crtc_reset(struct drm_crtc *crtc)
626 struct vmw_crtc_state *vcs;
630 __drm_atomic_helper_crtc_destroy_state(crtc->state);
632 kfree(vmw_crtc_state_to_vcs(crtc->state));
635 vcs = kzalloc(sizeof(*vcs), GFP_KERNEL);
638 DRM_ERROR("Cannot allocate vmw_crtc_state\n");
642 crtc->state = &vcs->base;
643 crtc->state->crtc = crtc;
648 * vmw_du_crtc_destroy_state - destroy crtc state
650 * @state: state object to destroy
652 * Destroys the crtc state (both common and vmw-specific) for the
656 vmw_du_crtc_destroy_state(struct drm_crtc *crtc,
657 struct drm_crtc_state *state)
659 drm_atomic_helper_crtc_destroy_state(crtc, state);
664 * vmw_du_plane_duplicate_state - duplicate plane state
667 * Allocates and returns a copy of the plane state (both common and
668 * vmw-specific) for the specified plane.
670 * Returns: The newly allocated plane state, or NULL on failure.
672 struct drm_plane_state *
673 vmw_du_plane_duplicate_state(struct drm_plane *plane)
675 struct drm_plane_state *state;
676 struct vmw_plane_state *vps;
678 vps = kmemdup(plane->state, sizeof(*vps), GFP_KERNEL);
686 /* Each ref counted resource needs to be acquired again */
688 (void) vmw_surface_reference(vps->surf);
691 (void) vmw_bo_reference(vps->bo);
695 __drm_atomic_helper_plane_duplicate_state(plane, state);
702 * vmw_du_plane_reset - creates a blank vmw plane state
705 * Resets the atomic state for @plane by freeing the state pointer (which might
706 * be NULL, e.g. at driver load time) and allocating a new empty state object.
708 void vmw_du_plane_reset(struct drm_plane *plane)
710 struct vmw_plane_state *vps;
714 vmw_du_plane_destroy_state(plane, plane->state);
716 vps = kzalloc(sizeof(*vps), GFP_KERNEL);
719 DRM_ERROR("Cannot allocate vmw_plane_state\n");
723 __drm_atomic_helper_plane_reset(plane, &vps->base);
728 * vmw_du_plane_destroy_state - destroy plane state
730 * @state: state object to destroy
732 * Destroys the plane state (both common and vmw-specific) for the
736 vmw_du_plane_destroy_state(struct drm_plane *plane,
737 struct drm_plane_state *state)
739 struct vmw_plane_state *vps = vmw_plane_state_to_vps(state);
742 /* Should have been freed by cleanup_fb */
744 vmw_surface_unreference(&vps->surf);
747 vmw_bo_unreference(&vps->bo);
749 drm_atomic_helper_plane_destroy_state(plane, state);
754 * vmw_du_connector_duplicate_state - duplicate connector state
755 * @connector: DRM connector
757 * Allocates and returns a copy of the connector state (both common and
758 * vmw-specific) for the specified connector.
760 * Returns: The newly allocated connector state, or NULL on failure.
762 struct drm_connector_state *
763 vmw_du_connector_duplicate_state(struct drm_connector *connector)
765 struct drm_connector_state *state;
766 struct vmw_connector_state *vcs;
768 if (WARN_ON(!connector->state))
771 vcs = kmemdup(connector->state, sizeof(*vcs), GFP_KERNEL);
778 __drm_atomic_helper_connector_duplicate_state(connector, state);
785 * vmw_du_connector_reset - creates a blank vmw connector state
786 * @connector: DRM connector
788 * Resets the atomic state for @connector by freeing the state pointer (which
789 * might be NULL, e.g. at driver load time) and allocating a new empty state
792 void vmw_du_connector_reset(struct drm_connector *connector)
794 struct vmw_connector_state *vcs;
797 if (connector->state) {
798 __drm_atomic_helper_connector_destroy_state(connector->state);
800 kfree(vmw_connector_state_to_vcs(connector->state));
803 vcs = kzalloc(sizeof(*vcs), GFP_KERNEL);
806 DRM_ERROR("Cannot allocate vmw_connector_state\n");
810 __drm_atomic_helper_connector_reset(connector, &vcs->base);
815 * vmw_du_connector_destroy_state - destroy connector state
816 * @connector: DRM connector
817 * @state: state object to destroy
819 * Destroys the connector state (both common and vmw-specific) for the
823 vmw_du_connector_destroy_state(struct drm_connector *connector,
824 struct drm_connector_state *state)
826 drm_atomic_helper_connector_destroy_state(connector, state);
829 * Generic framebuffer code
833 * Surface framebuffer code
836 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
838 struct vmw_framebuffer_surface *vfbs =
839 vmw_framebuffer_to_vfbs(framebuffer);
841 drm_framebuffer_cleanup(framebuffer);
842 vmw_surface_unreference(&vfbs->surface);
843 if (vfbs->base.user_obj)
844 ttm_base_object_unref(&vfbs->base.user_obj);
849 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
850 struct drm_file *file_priv,
851 unsigned flags, unsigned color,
852 struct drm_clip_rect *clips,
855 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
856 struct vmw_framebuffer_surface *vfbs =
857 vmw_framebuffer_to_vfbs(framebuffer);
858 struct drm_clip_rect norect;
861 /* Legacy Display Unit does not support 3D */
862 if (dev_priv->active_display_unit == vmw_du_legacy)
865 drm_modeset_lock_all(dev_priv->dev);
867 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
868 if (unlikely(ret != 0)) {
869 drm_modeset_unlock_all(dev_priv->dev);
876 norect.x1 = norect.y1 = 0;
877 norect.x2 = framebuffer->width;
878 norect.y2 = framebuffer->height;
879 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
881 inc = 2; /* skip source rects */
884 if (dev_priv->active_display_unit == vmw_du_screen_object)
885 ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
886 clips, NULL, NULL, 0, 0,
887 num_clips, inc, NULL, NULL);
889 ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
890 clips, NULL, NULL, 0, 0,
891 num_clips, inc, NULL, NULL);
893 vmw_fifo_flush(dev_priv, false);
894 ttm_read_unlock(&dev_priv->reservation_sem);
896 drm_modeset_unlock_all(dev_priv->dev);
902 * vmw_kms_readback - Perform a readback from the screen system to
903 * a buffer-object backed framebuffer.
905 * @dev_priv: Pointer to the device private structure.
906 * @file_priv: Pointer to a struct drm_file identifying the caller.
907 * Must be set to NULL if @user_fence_rep is NULL.
908 * @vfb: Pointer to the buffer-object backed framebuffer.
909 * @user_fence_rep: User-space provided structure for fence information.
910 * Must be set to non-NULL if @file_priv is non-NULL.
911 * @vclips: Array of clip rects.
912 * @num_clips: Number of clip rects in @vclips.
914 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
917 int vmw_kms_readback(struct vmw_private *dev_priv,
918 struct drm_file *file_priv,
919 struct vmw_framebuffer *vfb,
920 struct drm_vmw_fence_rep __user *user_fence_rep,
921 struct drm_vmw_rect *vclips,
924 switch (dev_priv->active_display_unit) {
925 case vmw_du_screen_object:
926 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
927 user_fence_rep, vclips, num_clips,
929 case vmw_du_screen_target:
930 return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
931 user_fence_rep, NULL, vclips, num_clips,
932 1, false, true, NULL);
935 "Readback called with invalid display system.\n");
942 static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
943 .destroy = vmw_framebuffer_surface_destroy,
944 .dirty = vmw_framebuffer_surface_dirty,
947 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
948 struct vmw_surface *surface,
949 struct vmw_framebuffer **out,
950 const struct drm_mode_fb_cmd2
955 struct drm_device *dev = dev_priv->dev;
956 struct vmw_framebuffer_surface *vfbs;
957 enum SVGA3dSurfaceFormat format;
959 struct drm_format_name_buf format_name;
961 /* 3D is only supported on HWv8 and newer hosts */
962 if (dev_priv->active_display_unit == vmw_du_legacy)
969 /* Surface must be marked as a scanout. */
970 if (unlikely(!surface->scanout))
973 if (unlikely(surface->mip_levels[0] != 1 ||
974 surface->num_sizes != 1 ||
975 surface->base_size.width < mode_cmd->width ||
976 surface->base_size.height < mode_cmd->height ||
977 surface->base_size.depth != 1)) {
978 DRM_ERROR("Incompatible surface dimensions "
979 "for requested mode.\n");
983 switch (mode_cmd->pixel_format) {
984 case DRM_FORMAT_ARGB8888:
985 format = SVGA3D_A8R8G8B8;
987 case DRM_FORMAT_XRGB8888:
988 format = SVGA3D_X8R8G8B8;
990 case DRM_FORMAT_RGB565:
991 format = SVGA3D_R5G6B5;
993 case DRM_FORMAT_XRGB1555:
994 format = SVGA3D_A1R5G5B5;
997 DRM_ERROR("Invalid pixel format: %s\n",
998 drm_get_format_name(mode_cmd->pixel_format, &format_name));
1003 * For DX, surface format validation is done when surface->scanout
1006 if (!dev_priv->has_dx && format != surface->format) {
1007 DRM_ERROR("Invalid surface format for requested mode.\n");
1011 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
1017 drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, mode_cmd);
1018 vfbs->surface = vmw_surface_reference(surface);
1019 vfbs->base.user_handle = mode_cmd->handles[0];
1020 vfbs->is_bo_proxy = is_bo_proxy;
1024 ret = drm_framebuffer_init(dev, &vfbs->base.base,
1025 &vmw_framebuffer_surface_funcs);
1032 vmw_surface_unreference(&surface);
1039 * Buffer-object framebuffer code
1042 static void vmw_framebuffer_bo_destroy(struct drm_framebuffer *framebuffer)
1044 struct vmw_framebuffer_bo *vfbd =
1045 vmw_framebuffer_to_vfbd(framebuffer);
1047 drm_framebuffer_cleanup(framebuffer);
1048 vmw_bo_unreference(&vfbd->buffer);
1049 if (vfbd->base.user_obj)
1050 ttm_base_object_unref(&vfbd->base.user_obj);
1055 static int vmw_framebuffer_bo_dirty(struct drm_framebuffer *framebuffer,
1056 struct drm_file *file_priv,
1057 unsigned int flags, unsigned int color,
1058 struct drm_clip_rect *clips,
1059 unsigned int num_clips)
1061 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
1062 struct vmw_framebuffer_bo *vfbd =
1063 vmw_framebuffer_to_vfbd(framebuffer);
1064 struct drm_clip_rect norect;
1065 int ret, increment = 1;
1067 drm_modeset_lock_all(dev_priv->dev);
1069 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
1070 if (unlikely(ret != 0)) {
1071 drm_modeset_unlock_all(dev_priv->dev);
1078 norect.x1 = norect.y1 = 0;
1079 norect.x2 = framebuffer->width;
1080 norect.y2 = framebuffer->height;
1081 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
1086 switch (dev_priv->active_display_unit) {
1087 case vmw_du_screen_target:
1088 ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
1089 clips, NULL, num_clips, increment,
1092 case vmw_du_screen_object:
1093 ret = vmw_kms_sou_do_bo_dirty(dev_priv, &vfbd->base,
1094 clips, NULL, num_clips,
1095 increment, true, NULL, NULL);
1098 ret = vmw_kms_ldu_do_bo_dirty(dev_priv, &vfbd->base, 0, 0,
1099 clips, num_clips, increment);
1103 WARN_ONCE(true, "Dirty called with invalid display system.\n");
1107 vmw_fifo_flush(dev_priv, false);
1108 ttm_read_unlock(&dev_priv->reservation_sem);
1110 drm_modeset_unlock_all(dev_priv->dev);
1115 static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs = {
1116 .destroy = vmw_framebuffer_bo_destroy,
1117 .dirty = vmw_framebuffer_bo_dirty,
1121 * Pin the bofer in a location suitable for access by the
1124 static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
1126 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1127 struct vmw_buffer_object *buf;
1128 struct ttm_placement *placement;
1131 buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
1132 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
1137 switch (dev_priv->active_display_unit) {
1139 vmw_overlay_pause_all(dev_priv);
1140 ret = vmw_bo_pin_in_start_of_vram(dev_priv, buf, false);
1141 vmw_overlay_resume_all(dev_priv);
1143 case vmw_du_screen_object:
1144 case vmw_du_screen_target:
1146 if (dev_priv->capabilities & SVGA_CAP_3D) {
1148 * Use surface DMA to get content to
1149 * sreen target surface.
1151 placement = &vmw_vram_gmr_placement;
1154 placement = &vmw_sys_placement;
1157 /* Use surface / image update */
1158 placement = &vmw_mob_placement;
1161 return vmw_bo_pin_in_placement(dev_priv, buf, placement, false);
1169 static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
1171 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1172 struct vmw_buffer_object *buf;
1174 buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
1175 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
1180 return vmw_bo_unpin(dev_priv, buf, false);
1184 * vmw_create_bo_proxy - create a proxy surface for the buffer object
1187 * @mode_cmd: parameters for the new surface
1188 * @bo_mob: MOB backing the buffer object
1189 * @srf_out: newly created surface
1191 * When the content FB is a buffer object, we create a surface as a proxy to the
1192 * same buffer. This way we can do a surface copy rather than a surface DMA.
1193 * This is a more efficient approach
1196 * 0 on success, error code otherwise
1198 static int vmw_create_bo_proxy(struct drm_device *dev,
1199 const struct drm_mode_fb_cmd2 *mode_cmd,
1200 struct vmw_buffer_object *bo_mob,
1201 struct vmw_surface **srf_out)
1204 struct drm_vmw_size content_base_size = {0};
1205 struct vmw_resource *res;
1206 unsigned int bytes_pp;
1207 struct drm_format_name_buf format_name;
1210 switch (mode_cmd->pixel_format) {
1211 case DRM_FORMAT_ARGB8888:
1212 case DRM_FORMAT_XRGB8888:
1213 format = SVGA3D_X8R8G8B8;
1217 case DRM_FORMAT_RGB565:
1218 case DRM_FORMAT_XRGB1555:
1219 format = SVGA3D_R5G6B5;
1229 DRM_ERROR("Invalid framebuffer format %s\n",
1230 drm_get_format_name(mode_cmd->pixel_format, &format_name));
1234 content_base_size.width = mode_cmd->pitches[0] / bytes_pp;
1235 content_base_size.height = mode_cmd->height;
1236 content_base_size.depth = 1;
1238 ret = vmw_surface_gb_priv_define(dev,
1239 0, /* kernel visible only */
1242 true, /* can be a scanout buffer */
1243 1, /* num of mip levels */
1247 SVGA3D_MS_PATTERN_NONE,
1248 SVGA3D_MS_QUALITY_NONE,
1251 DRM_ERROR("Failed to allocate proxy content buffer\n");
1255 res = &(*srf_out)->res;
1257 /* Reserve and switch the backing mob. */
1258 mutex_lock(&res->dev_priv->cmdbuf_mutex);
1259 (void) vmw_resource_reserve(res, false, true);
1260 vmw_bo_unreference(&res->backup);
1261 res->backup = vmw_bo_reference(bo_mob);
1262 res->backup_offset = 0;
1263 vmw_resource_unreserve(res, false, NULL, 0);
1264 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1271 static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
1272 struct vmw_buffer_object *bo,
1273 struct vmw_framebuffer **out,
1274 const struct drm_mode_fb_cmd2
1278 struct drm_device *dev = dev_priv->dev;
1279 struct vmw_framebuffer_bo *vfbd;
1280 unsigned int requested_size;
1281 struct drm_format_name_buf format_name;
1284 requested_size = mode_cmd->height * mode_cmd->pitches[0];
1285 if (unlikely(requested_size > bo->base.num_pages * PAGE_SIZE)) {
1286 DRM_ERROR("Screen buffer object size is too small "
1287 "for requested mode.\n");
1291 /* Limited framebuffer color depth support for screen objects */
1292 if (dev_priv->active_display_unit == vmw_du_screen_object) {
1293 switch (mode_cmd->pixel_format) {
1294 case DRM_FORMAT_XRGB8888:
1295 case DRM_FORMAT_ARGB8888:
1297 case DRM_FORMAT_XRGB1555:
1298 case DRM_FORMAT_RGB565:
1301 DRM_ERROR("Invalid pixel format: %s\n",
1302 drm_get_format_name(mode_cmd->pixel_format, &format_name));
1307 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1313 drm_helper_mode_fill_fb_struct(dev, &vfbd->base.base, mode_cmd);
1314 vfbd->base.bo = true;
1315 vfbd->buffer = vmw_bo_reference(bo);
1316 vfbd->base.user_handle = mode_cmd->handles[0];
1319 ret = drm_framebuffer_init(dev, &vfbd->base.base,
1320 &vmw_framebuffer_bo_funcs);
1327 vmw_bo_unreference(&bo);
1335 * vmw_kms_srf_ok - check if a surface can be created
1337 * @width: requested width
1338 * @height: requested height
1340 * Surfaces need to be less than texture size
1343 vmw_kms_srf_ok(struct vmw_private *dev_priv, uint32_t width, uint32_t height)
1345 if (width > dev_priv->texture_max_width ||
1346 height > dev_priv->texture_max_height)
1353 * vmw_kms_new_framebuffer - Create a new framebuffer.
1355 * @dev_priv: Pointer to device private struct.
1356 * @bo: Pointer to buffer object to wrap the kms framebuffer around.
1357 * Either @bo or @surface must be NULL.
1358 * @surface: Pointer to a surface to wrap the kms framebuffer around.
1359 * Either @bo or @surface must be NULL.
1360 * @only_2d: No presents will occur to this buffer object based framebuffer.
1361 * This helps the code to do some important optimizations.
1362 * @mode_cmd: Frame-buffer metadata.
1364 struct vmw_framebuffer *
1365 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
1366 struct vmw_buffer_object *bo,
1367 struct vmw_surface *surface,
1369 const struct drm_mode_fb_cmd2 *mode_cmd)
1371 struct vmw_framebuffer *vfb = NULL;
1372 bool is_bo_proxy = false;
1376 * We cannot use the SurfaceDMA command in an non-accelerated VM,
1377 * therefore, wrap the buffer object in a surface so we can use the
1378 * SurfaceCopy command.
1380 if (vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height) &&
1382 mode_cmd->width > 64 && /* Don't create a proxy for cursor */
1383 dev_priv->active_display_unit == vmw_du_screen_target) {
1384 ret = vmw_create_bo_proxy(dev_priv->dev, mode_cmd,
1387 return ERR_PTR(ret);
1392 /* Create the new framebuffer depending one what we have */
1394 ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
1399 * vmw_create_bo_proxy() adds a reference that is no longer
1403 vmw_surface_unreference(&surface);
1405 ret = vmw_kms_new_framebuffer_bo(dev_priv, bo, &vfb,
1412 return ERR_PTR(ret);
1414 vfb->pin = vmw_framebuffer_pin;
1415 vfb->unpin = vmw_framebuffer_unpin;
1421 * Generic Kernel modesetting functions
1424 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1425 struct drm_file *file_priv,
1426 const struct drm_mode_fb_cmd2 *mode_cmd)
1428 struct vmw_private *dev_priv = vmw_priv(dev);
1429 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
1430 struct vmw_framebuffer *vfb = NULL;
1431 struct vmw_surface *surface = NULL;
1432 struct vmw_buffer_object *bo = NULL;
1433 struct ttm_base_object *user_obj;
1437 * Take a reference on the user object of the resource
1438 * backing the kms fb. This ensures that user-space handle
1439 * lookups on that resource will always work as long as
1440 * it's registered with a kms framebuffer. This is important,
1441 * since vmw_execbuf_process identifies resources in the
1442 * command stream using user-space handles.
1445 user_obj = ttm_base_object_lookup(tfile, mode_cmd->handles[0]);
1446 if (unlikely(user_obj == NULL)) {
1447 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1448 return ERR_PTR(-ENOENT);
1452 * End conditioned code.
1455 /* returns either a bo or surface */
1456 ret = vmw_user_lookup_handle(dev_priv, tfile,
1457 mode_cmd->handles[0],
1464 !vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height)) {
1465 DRM_ERROR("Surface size cannot exceed %dx%d",
1466 dev_priv->texture_max_width,
1467 dev_priv->texture_max_height);
1472 vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
1473 !(dev_priv->capabilities & SVGA_CAP_3D),
1481 /* vmw_user_lookup_handle takes one ref so does new_fb */
1483 vmw_bo_unreference(&bo);
1485 vmw_surface_unreference(&surface);
1488 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1489 ttm_base_object_unref(&user_obj);
1490 return ERR_PTR(ret);
1492 vfb->user_obj = user_obj;
1498 * vmw_kms_check_display_memory - Validates display memory required for a
1501 * @num_rects: number of drm_rect in rects
1502 * @rects: array of drm_rect representing the topology to validate indexed by
1506 * 0 on success otherwise negative error code
1508 static int vmw_kms_check_display_memory(struct drm_device *dev,
1510 struct drm_rect *rects)
1512 struct vmw_private *dev_priv = vmw_priv(dev);
1513 struct drm_mode_config *mode_config = &dev->mode_config;
1514 struct drm_rect bounding_box = {0};
1515 u64 total_pixels = 0, pixel_mem, bb_mem;
1518 for (i = 0; i < num_rects; i++) {
1520 * Currently this check is limiting the topology within max
1521 * texture/screentarget size. This should change in future when
1522 * user-space support multiple fb with topology.
1524 if (rects[i].x1 < 0 || rects[i].y1 < 0 ||
1525 rects[i].x2 > mode_config->max_width ||
1526 rects[i].y2 > mode_config->max_height) {
1527 DRM_ERROR("Invalid GUI layout.\n");
1531 /* Bounding box upper left is at (0,0). */
1532 if (rects[i].x2 > bounding_box.x2)
1533 bounding_box.x2 = rects[i].x2;
1535 if (rects[i].y2 > bounding_box.y2)
1536 bounding_box.y2 = rects[i].y2;
1538 total_pixels += (u64) drm_rect_width(&rects[i]) *
1539 (u64) drm_rect_height(&rects[i]);
1542 /* Virtual svga device primary limits are always in 32-bpp. */
1543 pixel_mem = total_pixels * 4;
1546 * For HV10 and below prim_bb_mem is vram size. When
1547 * SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM is not present vram size is
1548 * limit on primary bounding box
1550 if (pixel_mem > dev_priv->prim_bb_mem) {
1551 DRM_ERROR("Combined output size too large.\n");
1555 /* SVGA_CAP_NO_BB_RESTRICTION is available for STDU only. */
1556 if (dev_priv->active_display_unit != vmw_du_screen_target ||
1557 !(dev_priv->capabilities & SVGA_CAP_NO_BB_RESTRICTION)) {
1558 bb_mem = (u64) bounding_box.x2 * bounding_box.y2 * 4;
1560 if (bb_mem > dev_priv->prim_bb_mem) {
1561 DRM_ERROR("Topology is beyond supported limits.\n");
1570 * vmw_kms_check_topology - Validates topology in drm_atomic_state
1572 * @state: the driver state object
1575 * 0 on success otherwise negative error code
1577 static int vmw_kms_check_topology(struct drm_device *dev,
1578 struct drm_atomic_state *state)
1580 struct vmw_private *dev_priv = vmw_priv(dev);
1581 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
1582 struct drm_rect *rects;
1583 struct drm_crtc *crtc;
1587 rects = kcalloc(dev->mode_config.num_crtc, sizeof(struct drm_rect),
1592 mutex_lock(&dev_priv->requested_layout_mutex);
1594 drm_for_each_crtc(crtc, dev) {
1595 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1596 struct drm_crtc_state *crtc_state = crtc->state;
1598 i = drm_crtc_index(crtc);
1600 if (crtc_state && crtc_state->enable) {
1601 rects[i].x1 = du->gui_x;
1602 rects[i].y1 = du->gui_y;
1603 rects[i].x2 = du->gui_x + crtc_state->mode.hdisplay;
1604 rects[i].y2 = du->gui_y + crtc_state->mode.vdisplay;
1608 /* Determine change to topology due to new atomic state */
1609 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
1610 new_crtc_state, i) {
1611 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
1612 struct drm_connector *connector;
1613 struct drm_connector_state *conn_state;
1614 struct vmw_connector_state *vmw_conn_state;
1616 if (!new_crtc_state->enable && old_crtc_state->enable) {
1624 if (!du->pref_active) {
1630 * For vmwgfx each crtc has only one connector attached and it
1631 * is not changed so don't really need to check the
1632 * crtc->connector_mask and iterate over it.
1634 connector = &du->connector;
1635 conn_state = drm_atomic_get_connector_state(state, connector);
1636 if (IS_ERR(conn_state)) {
1637 ret = PTR_ERR(conn_state);
1641 vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
1642 vmw_conn_state->gui_x = du->gui_x;
1643 vmw_conn_state->gui_y = du->gui_y;
1645 rects[i].x1 = du->gui_x;
1646 rects[i].y1 = du->gui_y;
1647 rects[i].x2 = du->gui_x + new_crtc_state->mode.hdisplay;
1648 rects[i].y2 = du->gui_y + new_crtc_state->mode.vdisplay;
1651 ret = vmw_kms_check_display_memory(dev, dev->mode_config.num_crtc,
1655 mutex_unlock(&dev_priv->requested_layout_mutex);
1661 * vmw_kms_atomic_check_modeset- validate state object for modeset changes
1664 * @state: the driver state object
1666 * This is a simple wrapper around drm_atomic_helper_check_modeset() for
1667 * us to assign a value to mode->crtc_clock so that
1668 * drm_calc_timestamping_constants() won't throw an error message
1671 * Zero for success or -errno
1674 vmw_kms_atomic_check_modeset(struct drm_device *dev,
1675 struct drm_atomic_state *state)
1677 struct drm_crtc *crtc;
1678 struct drm_crtc_state *crtc_state;
1679 bool need_modeset = false;
1682 ret = drm_atomic_helper_check(dev, state);
1686 if (!state->allow_modeset)
1690 * Legacy path do not set allow_modeset properly like
1691 * @drm_atomic_helper_update_plane, This will result in unnecessary call
1692 * to vmw_kms_check_topology. So extra set of check.
1694 for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
1695 if (drm_atomic_crtc_needs_modeset(crtc_state))
1696 need_modeset = true;
1700 return vmw_kms_check_topology(dev, state);
1705 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1706 .fb_create = vmw_kms_fb_create,
1707 .atomic_check = vmw_kms_atomic_check_modeset,
1708 .atomic_commit = drm_atomic_helper_commit,
1711 static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1712 struct drm_file *file_priv,
1713 struct vmw_framebuffer *vfb,
1714 struct vmw_surface *surface,
1716 int32_t destX, int32_t destY,
1717 struct drm_vmw_rect *clips,
1720 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1721 &surface->res, destX, destY,
1722 num_clips, 1, NULL, NULL);
1726 int vmw_kms_present(struct vmw_private *dev_priv,
1727 struct drm_file *file_priv,
1728 struct vmw_framebuffer *vfb,
1729 struct vmw_surface *surface,
1731 int32_t destX, int32_t destY,
1732 struct drm_vmw_rect *clips,
1737 switch (dev_priv->active_display_unit) {
1738 case vmw_du_screen_target:
1739 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1740 &surface->res, destX, destY,
1741 num_clips, 1, NULL, NULL);
1743 case vmw_du_screen_object:
1744 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1745 sid, destX, destY, clips,
1750 "Present called with invalid display system.\n");
1757 vmw_fifo_flush(dev_priv, false);
1763 vmw_kms_create_hotplug_mode_update_property(struct vmw_private *dev_priv)
1765 if (dev_priv->hotplug_mode_update_property)
1768 dev_priv->hotplug_mode_update_property =
1769 drm_property_create_range(dev_priv->dev,
1770 DRM_MODE_PROP_IMMUTABLE,
1771 "hotplug_mode_update", 0, 1);
1773 if (!dev_priv->hotplug_mode_update_property)
1778 int vmw_kms_init(struct vmw_private *dev_priv)
1780 struct drm_device *dev = dev_priv->dev;
1783 drm_mode_config_init(dev);
1784 dev->mode_config.funcs = &vmw_kms_funcs;
1785 dev->mode_config.min_width = 1;
1786 dev->mode_config.min_height = 1;
1787 dev->mode_config.max_width = dev_priv->texture_max_width;
1788 dev->mode_config.max_height = dev_priv->texture_max_height;
1790 drm_mode_create_suggested_offset_properties(dev);
1791 vmw_kms_create_hotplug_mode_update_property(dev_priv);
1793 ret = vmw_kms_stdu_init_display(dev_priv);
1795 ret = vmw_kms_sou_init_display(dev_priv);
1796 if (ret) /* Fallback */
1797 ret = vmw_kms_ldu_init_display(dev_priv);
1803 int vmw_kms_close(struct vmw_private *dev_priv)
1808 * Docs says we should take the lock before calling this function
1809 * but since it destroys encoders and our destructor calls
1810 * drm_encoder_cleanup which takes the lock we deadlock.
1812 drm_mode_config_cleanup(dev_priv->dev);
1813 if (dev_priv->active_display_unit == vmw_du_legacy)
1814 ret = vmw_kms_ldu_close_display(dev_priv);
1819 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1820 struct drm_file *file_priv)
1822 struct drm_vmw_cursor_bypass_arg *arg = data;
1823 struct vmw_display_unit *du;
1824 struct drm_crtc *crtc;
1828 mutex_lock(&dev->mode_config.mutex);
1829 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1831 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1832 du = vmw_crtc_to_du(crtc);
1833 du->hotspot_x = arg->xhot;
1834 du->hotspot_y = arg->yhot;
1837 mutex_unlock(&dev->mode_config.mutex);
1841 crtc = drm_crtc_find(dev, file_priv, arg->crtc_id);
1847 du = vmw_crtc_to_du(crtc);
1849 du->hotspot_x = arg->xhot;
1850 du->hotspot_y = arg->yhot;
1853 mutex_unlock(&dev->mode_config.mutex);
1858 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1859 unsigned width, unsigned height, unsigned pitch,
1860 unsigned bpp, unsigned depth)
1862 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1863 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1864 else if (vmw_fifo_have_pitchlock(vmw_priv))
1865 vmw_mmio_write(pitch, vmw_priv->mmio_virt +
1866 SVGA_FIFO_PITCHLOCK);
1867 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1868 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1869 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1871 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1872 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1873 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1880 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1882 struct vmw_vga_topology_state *save;
1885 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1886 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1887 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1888 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1889 vmw_priv->vga_pitchlock =
1890 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1891 else if (vmw_fifo_have_pitchlock(vmw_priv))
1892 vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
1893 SVGA_FIFO_PITCHLOCK);
1895 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1898 vmw_priv->num_displays = vmw_read(vmw_priv,
1899 SVGA_REG_NUM_GUEST_DISPLAYS);
1901 if (vmw_priv->num_displays == 0)
1902 vmw_priv->num_displays = 1;
1904 for (i = 0; i < vmw_priv->num_displays; ++i) {
1905 save = &vmw_priv->vga_save[i];
1906 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1907 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1908 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1909 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1910 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1911 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1912 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1913 if (i == 0 && vmw_priv->num_displays == 1 &&
1914 save->width == 0 && save->height == 0) {
1917 * It should be fairly safe to assume that these
1918 * values are uninitialized.
1921 save->width = vmw_priv->vga_width - save->pos_x;
1922 save->height = vmw_priv->vga_height - save->pos_y;
1929 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1931 struct vmw_vga_topology_state *save;
1934 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1935 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1936 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1937 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1938 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1939 vmw_priv->vga_pitchlock);
1940 else if (vmw_fifo_have_pitchlock(vmw_priv))
1941 vmw_mmio_write(vmw_priv->vga_pitchlock,
1942 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1944 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1947 for (i = 0; i < vmw_priv->num_displays; ++i) {
1948 save = &vmw_priv->vga_save[i];
1949 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1950 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1951 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1952 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1953 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1954 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1955 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1961 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1965 return ((u64) pitch * (u64) height) < (u64)
1966 ((dev_priv->active_display_unit == vmw_du_screen_target) ?
1967 dev_priv->prim_bb_mem : dev_priv->vram_size);
1972 * Function called by DRM code called with vbl_lock held.
1974 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
1980 * Function called by DRM code called with vbl_lock held.
1982 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
1988 * Function called by DRM code called with vbl_lock held.
1990 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
1995 * vmw_du_update_layout - Update the display unit with topology from resolution
1996 * plugin and generate DRM uevent
1997 * @dev_priv: device private
1998 * @num_rects: number of drm_rect in rects
1999 * @rects: toplogy to update
2001 static int vmw_du_update_layout(struct vmw_private *dev_priv,
2002 unsigned int num_rects, struct drm_rect *rects)
2004 struct drm_device *dev = dev_priv->dev;
2005 struct vmw_display_unit *du;
2006 struct drm_connector *con;
2007 struct drm_connector_list_iter conn_iter;
2010 * Currently only gui_x/y is protected with requested_layout_mutex.
2012 mutex_lock(&dev_priv->requested_layout_mutex);
2013 drm_connector_list_iter_begin(dev, &conn_iter);
2014 drm_for_each_connector_iter(con, &conn_iter) {
2015 du = vmw_connector_to_du(con);
2016 if (num_rects > du->unit) {
2017 du->pref_width = drm_rect_width(&rects[du->unit]);
2018 du->pref_height = drm_rect_height(&rects[du->unit]);
2019 du->pref_active = true;
2020 du->gui_x = rects[du->unit].x1;
2021 du->gui_y = rects[du->unit].y1;
2023 du->pref_width = 800;
2024 du->pref_height = 600;
2025 du->pref_active = false;
2030 drm_connector_list_iter_end(&conn_iter);
2031 mutex_unlock(&dev_priv->requested_layout_mutex);
2033 mutex_lock(&dev->mode_config.mutex);
2034 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
2035 du = vmw_connector_to_du(con);
2036 if (num_rects > du->unit) {
2037 drm_object_property_set_value
2038 (&con->base, dev->mode_config.suggested_x_property,
2040 drm_object_property_set_value
2041 (&con->base, dev->mode_config.suggested_y_property,
2044 drm_object_property_set_value
2045 (&con->base, dev->mode_config.suggested_x_property,
2047 drm_object_property_set_value
2048 (&con->base, dev->mode_config.suggested_y_property,
2051 con->status = vmw_du_connector_detect(con, true);
2053 mutex_unlock(&dev->mode_config.mutex);
2055 drm_sysfs_hotplug_event(dev);
2060 int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
2061 u16 *r, u16 *g, u16 *b,
2063 struct drm_modeset_acquire_ctx *ctx)
2065 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
2068 for (i = 0; i < size; i++) {
2069 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
2071 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
2072 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
2073 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
2079 int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
2084 enum drm_connector_status
2085 vmw_du_connector_detect(struct drm_connector *connector, bool force)
2087 uint32_t num_displays;
2088 struct drm_device *dev = connector->dev;
2089 struct vmw_private *dev_priv = vmw_priv(dev);
2090 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2092 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
2094 return ((vmw_connector_to_du(connector)->unit < num_displays &&
2096 connector_status_connected : connector_status_disconnected);
2099 static struct drm_display_mode vmw_kms_connector_builtin[] = {
2101 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
2102 752, 800, 0, 480, 489, 492, 525, 0,
2103 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
2105 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
2106 968, 1056, 0, 600, 601, 605, 628, 0,
2107 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2109 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
2110 1184, 1344, 0, 768, 771, 777, 806, 0,
2111 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
2113 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
2114 1344, 1600, 0, 864, 865, 868, 900, 0,
2115 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2117 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
2118 1472, 1664, 0, 768, 771, 778, 798, 0,
2119 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2121 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
2122 1480, 1680, 0, 800, 803, 809, 831, 0,
2123 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
2125 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
2126 1488, 1800, 0, 960, 961, 964, 1000, 0,
2127 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2128 /* 1280x1024@60Hz */
2129 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
2130 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
2131 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2133 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
2134 1536, 1792, 0, 768, 771, 777, 795, 0,
2135 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2136 /* 1440x1050@60Hz */
2137 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
2138 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
2139 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2141 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
2142 1672, 1904, 0, 900, 903, 909, 934, 0,
2143 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2144 /* 1600x1200@60Hz */
2145 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
2146 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
2147 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2148 /* 1680x1050@60Hz */
2149 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
2150 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
2151 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2152 /* 1792x1344@60Hz */
2153 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
2154 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
2155 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2156 /* 1853x1392@60Hz */
2157 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
2158 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
2159 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2160 /* 1920x1200@60Hz */
2161 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
2162 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
2163 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2164 /* 1920x1440@60Hz */
2165 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
2166 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
2167 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2168 /* 2560x1600@60Hz */
2169 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
2170 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
2171 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
2173 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
2177 * vmw_guess_mode_timing - Provide fake timings for a
2178 * 60Hz vrefresh mode.
2180 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
2181 * members filled in.
2183 void vmw_guess_mode_timing(struct drm_display_mode *mode)
2185 mode->hsync_start = mode->hdisplay + 50;
2186 mode->hsync_end = mode->hsync_start + 50;
2187 mode->htotal = mode->hsync_end + 50;
2189 mode->vsync_start = mode->vdisplay + 50;
2190 mode->vsync_end = mode->vsync_start + 50;
2191 mode->vtotal = mode->vsync_end + 50;
2193 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
2194 mode->vrefresh = drm_mode_vrefresh(mode);
2198 int vmw_du_connector_fill_modes(struct drm_connector *connector,
2199 uint32_t max_width, uint32_t max_height)
2201 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2202 struct drm_device *dev = connector->dev;
2203 struct vmw_private *dev_priv = vmw_priv(dev);
2204 struct drm_display_mode *mode = NULL;
2205 struct drm_display_mode *bmode;
2206 struct drm_display_mode prefmode = { DRM_MODE("preferred",
2207 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
2208 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2209 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
2212 u32 assumed_bpp = 4;
2214 if (dev_priv->assume_16bpp)
2217 if (dev_priv->active_display_unit == vmw_du_screen_target) {
2218 max_width = min(max_width, dev_priv->stdu_max_width);
2219 max_width = min(max_width, dev_priv->texture_max_width);
2221 max_height = min(max_height, dev_priv->stdu_max_height);
2222 max_height = min(max_height, dev_priv->texture_max_height);
2225 /* Add preferred mode */
2226 mode = drm_mode_duplicate(dev, &prefmode);
2229 mode->hdisplay = du->pref_width;
2230 mode->vdisplay = du->pref_height;
2231 vmw_guess_mode_timing(mode);
2233 if (vmw_kms_validate_mode_vram(dev_priv,
2234 mode->hdisplay * assumed_bpp,
2236 drm_mode_probed_add(connector, mode);
2238 drm_mode_destroy(dev, mode);
2242 if (du->pref_mode) {
2243 list_del_init(&du->pref_mode->head);
2244 drm_mode_destroy(dev, du->pref_mode);
2247 /* mode might be null here, this is intended */
2248 du->pref_mode = mode;
2250 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
2251 bmode = &vmw_kms_connector_builtin[i];
2252 if (bmode->hdisplay > max_width ||
2253 bmode->vdisplay > max_height)
2256 if (!vmw_kms_validate_mode_vram(dev_priv,
2257 bmode->hdisplay * assumed_bpp,
2261 mode = drm_mode_duplicate(dev, bmode);
2264 mode->vrefresh = drm_mode_vrefresh(mode);
2266 drm_mode_probed_add(connector, mode);
2269 drm_connector_list_update(connector);
2270 /* Move the prefered mode first, help apps pick the right mode. */
2271 drm_mode_sort(&connector->modes);
2276 int vmw_du_connector_set_property(struct drm_connector *connector,
2277 struct drm_property *property,
2280 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2281 struct vmw_private *dev_priv = vmw_priv(connector->dev);
2283 if (property == dev_priv->implicit_placement_property)
2284 du->is_implicit = val;
2292 * vmw_du_connector_atomic_set_property - Atomic version of get property
2294 * @crtc - crtc the property is associated with
2297 * Zero on success, negative errno on failure.
2300 vmw_du_connector_atomic_set_property(struct drm_connector *connector,
2301 struct drm_connector_state *state,
2302 struct drm_property *property,
2305 struct vmw_private *dev_priv = vmw_priv(connector->dev);
2306 struct vmw_connector_state *vcs = vmw_connector_state_to_vcs(state);
2307 struct vmw_display_unit *du = vmw_connector_to_du(connector);
2310 if (property == dev_priv->implicit_placement_property) {
2311 vcs->is_implicit = val;
2314 * We should really be doing a drm_atomic_commit() to
2315 * commit the new state, but since this doesn't cause
2316 * an immedate state change, this is probably ok
2318 du->is_implicit = vcs->is_implicit;
2328 * vmw_du_connector_atomic_get_property - Atomic version of get property
2330 * @connector - connector the property is associated with
2333 * Zero on success, negative errno on failure.
2336 vmw_du_connector_atomic_get_property(struct drm_connector *connector,
2337 const struct drm_connector_state *state,
2338 struct drm_property *property,
2341 struct vmw_private *dev_priv = vmw_priv(connector->dev);
2342 struct vmw_connector_state *vcs = vmw_connector_state_to_vcs(state);
2344 if (property == dev_priv->implicit_placement_property)
2345 *val = vcs->is_implicit;
2347 DRM_ERROR("Invalid Property %s\n", property->name);
2355 * vmw_kms_update_layout_ioctl - Handler for DRM_VMW_UPDATE_LAYOUT ioctl
2356 * @dev: drm device for the ioctl
2357 * @data: data pointer for the ioctl
2358 * @file_priv: drm file for the ioctl call
2360 * Update preferred topology of display unit as per ioctl request. The topology
2361 * is expressed as array of drm_vmw_rect.
2363 * [0 0 640 480] [640 0 800 600] [0 480 640 480]
2366 * The x and y offset (upper left) in drm_vmw_rect cannot be less than 0. Beside
2367 * device limit on topology, x + w and y + h (lower right) cannot be greater
2368 * than INT_MAX. So topology beyond these limits will return with error.
2371 * Zero on success, negative errno on failure.
2373 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
2374 struct drm_file *file_priv)
2376 struct vmw_private *dev_priv = vmw_priv(dev);
2377 struct drm_vmw_update_layout_arg *arg =
2378 (struct drm_vmw_update_layout_arg *)data;
2379 void __user *user_rects;
2380 struct drm_vmw_rect *rects;
2381 struct drm_rect *drm_rects;
2382 unsigned rects_size;
2385 if (!arg->num_outputs) {
2386 struct drm_rect def_rect = {0, 0, 800, 600};
2387 vmw_du_update_layout(dev_priv, 1, &def_rect);
2391 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
2392 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
2394 if (unlikely(!rects))
2397 user_rects = (void __user *)(unsigned long)arg->rects;
2398 ret = copy_from_user(rects, user_rects, rects_size);
2399 if (unlikely(ret != 0)) {
2400 DRM_ERROR("Failed to get rects.\n");
2405 drm_rects = (struct drm_rect *)rects;
2407 for (i = 0; i < arg->num_outputs; i++) {
2408 struct drm_vmw_rect curr_rect;
2410 /* Verify user-space for overflow as kernel use drm_rect */
2411 if ((rects[i].x + rects[i].w > INT_MAX) ||
2412 (rects[i].y + rects[i].h > INT_MAX)) {
2417 curr_rect = rects[i];
2418 drm_rects[i].x1 = curr_rect.x;
2419 drm_rects[i].y1 = curr_rect.y;
2420 drm_rects[i].x2 = curr_rect.x + curr_rect.w;
2421 drm_rects[i].y2 = curr_rect.y + curr_rect.h;
2424 ret = vmw_kms_check_display_memory(dev, arg->num_outputs, drm_rects);
2427 vmw_du_update_layout(dev_priv, arg->num_outputs, drm_rects);
2435 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
2436 * on a set of cliprects and a set of display units.
2438 * @dev_priv: Pointer to a device private structure.
2439 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
2440 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
2441 * Cliprects are given in framebuffer coordinates.
2442 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
2443 * be NULL. Cliprects are given in source coordinates.
2444 * @dest_x: X coordinate offset for the crtc / destination clip rects.
2445 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
2446 * @num_clips: Number of cliprects in the @clips or @vclips array.
2447 * @increment: Integer with which to increment the clip counter when looping.
2448 * Used to skip a predetermined number of clip rects.
2449 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
2451 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
2452 struct vmw_framebuffer *framebuffer,
2453 const struct drm_clip_rect *clips,
2454 const struct drm_vmw_rect *vclips,
2455 s32 dest_x, s32 dest_y,
2458 struct vmw_kms_dirty *dirty)
2460 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
2461 struct drm_crtc *crtc;
2465 dirty->dev_priv = dev_priv;
2467 /* If crtc is passed, no need to iterate over other display units */
2469 units[num_units++] = vmw_crtc_to_du(dirty->crtc);
2471 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
2473 struct drm_plane *plane = crtc->primary;
2475 if (plane->state->fb == &framebuffer->base)
2476 units[num_units++] = vmw_crtc_to_du(crtc);
2480 for (k = 0; k < num_units; k++) {
2481 struct vmw_display_unit *unit = units[k];
2482 s32 crtc_x = unit->crtc.x;
2483 s32 crtc_y = unit->crtc.y;
2484 s32 crtc_width = unit->crtc.mode.hdisplay;
2485 s32 crtc_height = unit->crtc.mode.vdisplay;
2486 const struct drm_clip_rect *clips_ptr = clips;
2487 const struct drm_vmw_rect *vclips_ptr = vclips;
2490 if (dirty->fifo_reserve_size > 0) {
2491 dirty->cmd = vmw_fifo_reserve(dev_priv,
2492 dirty->fifo_reserve_size);
2494 DRM_ERROR("Couldn't reserve fifo space "
2495 "for dirty blits.\n");
2498 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
2500 dirty->num_hits = 0;
2501 for (i = 0; i < num_clips; i++, clips_ptr += increment,
2502 vclips_ptr += increment) {
2507 * Select clip array type. Note that integer type
2508 * in @clips is unsigned short, whereas in @vclips
2512 dirty->fb_x = (s32) clips_ptr->x1;
2513 dirty->fb_y = (s32) clips_ptr->y1;
2514 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
2516 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
2519 dirty->fb_x = vclips_ptr->x;
2520 dirty->fb_y = vclips_ptr->y;
2521 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
2523 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
2527 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
2528 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
2530 /* Skip this clip if it's outside the crtc region */
2531 if (dirty->unit_x1 >= crtc_width ||
2532 dirty->unit_y1 >= crtc_height ||
2533 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
2536 /* Clip right and bottom to crtc limits */
2537 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
2539 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
2542 /* Clip left and top to crtc limits */
2543 clip_left = min_t(s32, dirty->unit_x1, 0);
2544 clip_top = min_t(s32, dirty->unit_y1, 0);
2545 dirty->unit_x1 -= clip_left;
2546 dirty->unit_y1 -= clip_top;
2547 dirty->fb_x -= clip_left;
2548 dirty->fb_y -= clip_top;
2553 dirty->fifo_commit(dirty);
2560 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
2561 * command submission.
2563 * @dev_priv. Pointer to a device private structure.
2564 * @buf: The buffer object
2565 * @interruptible: Whether to perform waits as interruptible.
2566 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
2567 * The buffer will be validated as a GMR. Already pinned buffers will not be
2570 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
2571 * interrupted by a signal.
2573 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
2574 struct vmw_buffer_object *buf,
2576 bool validate_as_mob,
2579 struct ttm_operation_ctx ctx = {
2580 .interruptible = interruptible,
2581 .no_wait_gpu = false};
2582 struct ttm_buffer_object *bo = &buf->base;
2585 ttm_bo_reserve(bo, false, false, NULL);
2587 ret = ttm_bo_validate(bo, &vmw_nonfixed_placement, &ctx);
2589 ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
2592 ttm_bo_unreserve(bo);
2598 * vmw_kms_helper_buffer_revert - Undo the actions of
2599 * vmw_kms_helper_buffer_prepare.
2601 * @res: Pointer to the buffer object.
2603 * Helper to be used if an error forces the caller to undo the actions of
2604 * vmw_kms_helper_buffer_prepare.
2606 void vmw_kms_helper_buffer_revert(struct vmw_buffer_object *buf)
2609 ttm_bo_unreserve(&buf->base);
2613 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
2614 * kms command submission.
2616 * @dev_priv: Pointer to a device private structure.
2617 * @file_priv: Pointer to a struct drm_file representing the caller's
2618 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
2619 * if non-NULL, @user_fence_rep must be non-NULL.
2620 * @buf: The buffer object.
2621 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2622 * ref-counted fence pointer is returned here.
2623 * @user_fence_rep: Optional pointer to a user-space provided struct
2624 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
2625 * function copies fence data to user-space in a fail-safe manner.
2627 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
2628 struct drm_file *file_priv,
2629 struct vmw_buffer_object *buf,
2630 struct vmw_fence_obj **out_fence,
2631 struct drm_vmw_fence_rep __user *
2634 struct vmw_fence_obj *fence;
2638 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
2639 file_priv ? &handle : NULL);
2641 vmw_bo_fence_single(&buf->base, fence);
2643 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
2644 ret, user_fence_rep, fence,
2649 vmw_fence_obj_unreference(&fence);
2651 vmw_kms_helper_buffer_revert(buf);
2656 * vmw_kms_helper_resource_revert - Undo the actions of
2657 * vmw_kms_helper_resource_prepare.
2659 * @res: Pointer to the resource. Typically a surface.
2661 * Helper to be used if an error forces the caller to undo the actions of
2662 * vmw_kms_helper_resource_prepare.
2664 void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx)
2666 struct vmw_resource *res = ctx->res;
2668 vmw_kms_helper_buffer_revert(ctx->buf);
2669 vmw_bo_unreference(&ctx->buf);
2670 vmw_resource_unreserve(res, false, NULL, 0);
2671 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
2675 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
2676 * command submission.
2678 * @res: Pointer to the resource. Typically a surface.
2679 * @interruptible: Whether to perform waits as interruptible.
2681 * Reserves and validates also the backup buffer if a guest-backed resource.
2682 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
2683 * interrupted by a signal.
2685 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
2687 struct vmw_validation_ctx *ctx)
2695 ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
2697 mutex_lock(&res->dev_priv->cmdbuf_mutex);
2699 if (unlikely(ret != 0))
2700 return -ERESTARTSYS;
2702 ret = vmw_resource_reserve(res, interruptible, false);
2707 ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
2709 res->dev_priv->has_mob,
2714 ctx->buf = vmw_bo_reference(res->backup);
2716 ret = vmw_resource_validate(res);
2722 vmw_kms_helper_buffer_revert(ctx->buf);
2724 vmw_resource_unreserve(res, false, NULL, 0);
2726 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
2731 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
2732 * kms command submission.
2734 * @res: Pointer to the resource. Typically a surface.
2735 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
2736 * ref-counted fence pointer is returned here.
2738 void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
2739 struct vmw_fence_obj **out_fence)
2741 struct vmw_resource *res = ctx->res;
2743 if (ctx->buf || out_fence)
2744 vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf,
2747 vmw_bo_unreference(&ctx->buf);
2748 vmw_resource_unreserve(res, false, NULL, 0);
2749 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
2753 * vmw_kms_update_proxy - Helper function to update a proxy surface from
2756 * @res: Pointer to the surface resource
2757 * @clips: Clip rects in framebuffer (surface) space.
2758 * @num_clips: Number of clips in @clips.
2759 * @increment: Integer with which to increment the clip counter when looping.
2760 * Used to skip a predetermined number of clip rects.
2762 * This function makes sure the proxy surface is updated from its backing MOB
2763 * using the region given by @clips. The surface resource @res and its backing
2764 * MOB needs to be reserved and validated on call.
2766 int vmw_kms_update_proxy(struct vmw_resource *res,
2767 const struct drm_clip_rect *clips,
2771 struct vmw_private *dev_priv = res->dev_priv;
2772 struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
2774 SVGA3dCmdHeader header;
2775 SVGA3dCmdUpdateGBImage body;
2778 size_t copy_size = 0;
2784 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
2786 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2791 for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
2792 box = &cmd->body.box;
2794 cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
2795 cmd->header.size = sizeof(cmd->body);
2796 cmd->body.image.sid = res->id;
2797 cmd->body.image.face = 0;
2798 cmd->body.image.mipmap = 0;
2800 if (clips->x1 > size->width || clips->x2 > size->width ||
2801 clips->y1 > size->height || clips->y2 > size->height) {
2802 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2809 box->w = clips->x2 - clips->x1;
2810 box->h = clips->y2 - clips->y1;
2813 copy_size += sizeof(*cmd);
2816 vmw_fifo_commit(dev_priv, copy_size);
2821 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
2825 struct drm_connector **p_con,
2826 struct drm_crtc **p_crtc,
2827 struct drm_display_mode **p_mode)
2829 struct drm_connector *con;
2830 struct vmw_display_unit *du;
2831 struct drm_display_mode *mode;
2835 mutex_lock(&dev_priv->dev->mode_config.mutex);
2836 list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
2845 DRM_ERROR("Could not find initial display unit.\n");
2850 if (list_empty(&con->modes))
2851 (void) vmw_du_connector_fill_modes(con, max_width, max_height);
2853 if (list_empty(&con->modes)) {
2854 DRM_ERROR("Could not find initial display mode.\n");
2859 du = vmw_connector_to_du(con);
2861 *p_crtc = &du->crtc;
2863 list_for_each_entry(mode, &con->modes, head) {
2864 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2868 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2871 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2872 *p_mode = list_first_entry(&con->modes,
2873 struct drm_display_mode,
2878 mutex_unlock(&dev_priv->dev->mode_config.mutex);
2884 * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
2886 * @dev_priv: Pointer to a device private struct.
2887 * @du: The display unit of the crtc.
2889 void vmw_kms_del_active(struct vmw_private *dev_priv,
2890 struct vmw_display_unit *du)
2892 mutex_lock(&dev_priv->global_kms_state_mutex);
2893 if (du->active_implicit) {
2894 if (--(dev_priv->num_implicit) == 0)
2895 dev_priv->implicit_fb = NULL;
2896 du->active_implicit = false;
2898 mutex_unlock(&dev_priv->global_kms_state_mutex);
2902 * vmw_kms_add_active - register a crtc binding to an implicit framebuffer
2904 * @vmw_priv: Pointer to a device private struct.
2905 * @du: The display unit of the crtc.
2906 * @vfb: The implicit framebuffer
2908 * Registers a binding to an implicit framebuffer.
2910 void vmw_kms_add_active(struct vmw_private *dev_priv,
2911 struct vmw_display_unit *du,
2912 struct vmw_framebuffer *vfb)
2914 mutex_lock(&dev_priv->global_kms_state_mutex);
2915 WARN_ON_ONCE(!dev_priv->num_implicit && dev_priv->implicit_fb);
2917 if (!du->active_implicit && du->is_implicit) {
2918 dev_priv->implicit_fb = vfb;
2919 du->active_implicit = true;
2920 dev_priv->num_implicit++;
2922 mutex_unlock(&dev_priv->global_kms_state_mutex);
2926 * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
2928 * @dev_priv: Pointer to device-private struct.
2929 * @crtc: The crtc we want to flip.
2931 * Returns true or false depending whether it's OK to flip this crtc
2932 * based on the criterion that we must not have more than one implicit
2933 * frame-buffer at any one time.
2935 bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
2936 struct drm_crtc *crtc)
2938 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
2941 mutex_lock(&dev_priv->global_kms_state_mutex);
2942 ret = !du->is_implicit || dev_priv->num_implicit == 1;
2943 mutex_unlock(&dev_priv->global_kms_state_mutex);
2949 * vmw_kms_update_implicit_fb - Update the implicit fb.
2951 * @dev_priv: Pointer to device-private struct.
2952 * @crtc: The crtc the new implicit frame-buffer is bound to.
2954 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
2955 struct drm_crtc *crtc)
2957 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
2958 struct drm_plane *plane = crtc->primary;
2959 struct vmw_framebuffer *vfb;
2961 mutex_lock(&dev_priv->global_kms_state_mutex);
2963 if (!du->is_implicit)
2966 vfb = vmw_framebuffer_to_vfb(plane->state->fb);
2967 WARN_ON_ONCE(dev_priv->num_implicit != 1 &&
2968 dev_priv->implicit_fb != vfb);
2970 dev_priv->implicit_fb = vfb;
2972 mutex_unlock(&dev_priv->global_kms_state_mutex);
2976 * vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
2979 * @dev_priv: Pointer to a device private struct.
2980 * @immutable: Whether the property is immutable.
2982 * Sets up the implicit placement property unless it's already set up.
2985 vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
2988 if (dev_priv->implicit_placement_property)
2991 dev_priv->implicit_placement_property =
2992 drm_property_create_range(dev_priv->dev,
2994 DRM_MODE_PROP_IMMUTABLE : 0,
2995 "implicit_placement", 0, 1);
3001 * vmw_kms_set_config - Wrapper around drm_atomic_helper_set_config
3003 * @set: The configuration to set.
3005 * The vmwgfx Xorg driver doesn't assign the mode::type member, which
3006 * when drm_mode_set_crtcinfo is called as part of the configuration setting
3007 * causes it to return incorrect crtc dimensions causing severe problems in
3008 * the vmwgfx modesetting. So explicitly clear that member before calling
3009 * into drm_atomic_helper_set_config.
3011 int vmw_kms_set_config(struct drm_mode_set *set,
3012 struct drm_modeset_acquire_ctx *ctx)
3014 if (set && set->mode)
3015 set->mode->type = 0;
3017 return drm_atomic_helper_set_config(set, ctx);
3022 * vmw_kms_suspend - Save modesetting state and turn modesetting off.
3024 * @dev: Pointer to the drm device
3025 * Return: 0 on success. Negative error code on failure.
3027 int vmw_kms_suspend(struct drm_device *dev)
3029 struct vmw_private *dev_priv = vmw_priv(dev);
3031 dev_priv->suspend_state = drm_atomic_helper_suspend(dev);
3032 if (IS_ERR(dev_priv->suspend_state)) {
3033 int ret = PTR_ERR(dev_priv->suspend_state);
3035 DRM_ERROR("Failed kms suspend: %d\n", ret);
3036 dev_priv->suspend_state = NULL;
3046 * vmw_kms_resume - Re-enable modesetting and restore state
3048 * @dev: Pointer to the drm device
3049 * Return: 0 on success. Negative error code on failure.
3051 * State is resumed from a previous vmw_kms_suspend(). It's illegal
3052 * to call this function without a previous vmw_kms_suspend().
3054 int vmw_kms_resume(struct drm_device *dev)
3056 struct vmw_private *dev_priv = vmw_priv(dev);
3059 if (WARN_ON(!dev_priv->suspend_state))
3062 ret = drm_atomic_helper_resume(dev, dev_priv->suspend_state);
3063 dev_priv->suspend_state = NULL;
3069 * vmw_kms_lost_device - Notify kms that modesetting capabilities will be lost
3071 * @dev: Pointer to the drm device
3073 void vmw_kms_lost_device(struct drm_device *dev)
3075 drm_atomic_helper_shutdown(dev);