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,
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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"
31 /* Might need a hrtimer here? */
32 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
34 void vmw_du_cleanup(struct vmw_display_unit *du)
36 if (du->cursor_surface)
37 vmw_surface_unreference(&du->cursor_surface);
38 if (du->cursor_dmabuf)
39 vmw_dmabuf_unreference(&du->cursor_dmabuf);
40 drm_connector_unregister(&du->connector);
41 drm_crtc_cleanup(&du->crtc);
42 drm_encoder_cleanup(&du->encoder);
43 drm_connector_cleanup(&du->connector);
47 * Display Unit Cursor functions
50 int vmw_cursor_update_image(struct vmw_private *dev_priv,
51 u32 *image, u32 width, u32 height,
52 u32 hotspotX, u32 hotspotY)
56 SVGAFifoCmdDefineAlphaCursor cursor;
58 u32 image_size = width * height * 4;
59 u32 cmd_size = sizeof(*cmd) + image_size;
64 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
65 if (unlikely(cmd == NULL)) {
66 DRM_ERROR("Fifo reserve failed.\n");
70 memset(cmd, 0, sizeof(*cmd));
72 memcpy(&cmd[1], image, image_size);
74 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
76 cmd->cursor.width = width;
77 cmd->cursor.height = height;
78 cmd->cursor.hotspotX = hotspotX;
79 cmd->cursor.hotspotY = hotspotY;
81 vmw_fifo_commit(dev_priv, cmd_size);
86 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
87 struct vmw_dma_buffer *dmabuf,
88 u32 width, u32 height,
89 u32 hotspotX, u32 hotspotY)
91 struct ttm_bo_kmap_obj map;
92 unsigned long kmap_offset;
93 unsigned long kmap_num;
99 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
101 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL);
102 if (unlikely(ret != 0)) {
103 DRM_ERROR("reserve failed\n");
107 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
108 if (unlikely(ret != 0))
111 virtual = ttm_kmap_obj_virtual(&map, &dummy);
112 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
117 ttm_bo_unreserve(&dmabuf->base);
123 void vmw_cursor_update_position(struct vmw_private *dev_priv,
124 bool show, int x, int y)
126 u32 __iomem *fifo_mem = dev_priv->mmio_virt;
129 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
130 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
131 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
132 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
133 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
136 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
137 uint32_t handle, uint32_t width, uint32_t height)
139 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
140 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
141 struct vmw_surface *surface = NULL;
142 struct vmw_dma_buffer *dmabuf = NULL;
146 * FIXME: Unclear whether there's any global state touched by the
147 * cursor_set function, especially vmw_cursor_update_position looks
148 * suspicious. For now take the easy route and reacquire all locks. We
149 * can do this since the caller in the drm core doesn't check anything
150 * which is protected by any looks.
152 drm_modeset_unlock_crtc(crtc);
153 drm_modeset_lock_all(dev_priv->dev);
155 /* A lot of the code assumes this */
156 if (handle && (width != 64 || height != 64)) {
162 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
164 ret = vmw_user_lookup_handle(dev_priv, tfile,
165 handle, &surface, &dmabuf);
167 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
173 /* need to do this before taking down old image */
174 if (surface && !surface->snooper.image) {
175 DRM_ERROR("surface not suitable for cursor\n");
176 vmw_surface_unreference(&surface);
181 /* takedown old cursor */
182 if (du->cursor_surface) {
183 du->cursor_surface->snooper.crtc = NULL;
184 vmw_surface_unreference(&du->cursor_surface);
186 if (du->cursor_dmabuf)
187 vmw_dmabuf_unreference(&du->cursor_dmabuf);
189 /* setup new image */
191 /* vmw_user_surface_lookup takes one reference */
192 du->cursor_surface = surface;
194 du->cursor_surface->snooper.crtc = crtc;
195 du->cursor_age = du->cursor_surface->snooper.age;
196 vmw_cursor_update_image(dev_priv, surface->snooper.image,
197 64, 64, du->hotspot_x, du->hotspot_y);
199 /* vmw_user_surface_lookup takes one reference */
200 du->cursor_dmabuf = dmabuf;
202 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
203 du->hotspot_x, du->hotspot_y);
205 vmw_cursor_update_position(dev_priv, false, 0, 0);
210 vmw_cursor_update_position(dev_priv, true,
211 du->cursor_x + du->hotspot_x,
212 du->cursor_y + du->hotspot_y);
216 drm_modeset_unlock_all(dev_priv->dev);
217 drm_modeset_lock_crtc(crtc, crtc->cursor);
222 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
224 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
225 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
226 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
228 du->cursor_x = x + crtc->x;
229 du->cursor_y = y + crtc->y;
232 * FIXME: Unclear whether there's any global state touched by the
233 * cursor_set function, especially vmw_cursor_update_position looks
234 * suspicious. For now take the easy route and reacquire all locks. We
235 * can do this since the caller in the drm core doesn't check anything
236 * which is protected by any looks.
238 drm_modeset_unlock_crtc(crtc);
239 drm_modeset_lock_all(dev_priv->dev);
241 vmw_cursor_update_position(dev_priv, shown,
242 du->cursor_x + du->hotspot_x,
243 du->cursor_y + du->hotspot_y);
245 drm_modeset_unlock_all(dev_priv->dev);
246 drm_modeset_lock_crtc(crtc, crtc->cursor);
251 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
252 struct ttm_object_file *tfile,
253 struct ttm_buffer_object *bo,
254 SVGA3dCmdHeader *header)
256 struct ttm_bo_kmap_obj map;
257 unsigned long kmap_offset;
258 unsigned long kmap_num;
264 SVGA3dCmdHeader header;
265 SVGA3dCmdSurfaceDMA dma;
269 cmd = container_of(header, struct vmw_dma_cmd, header);
271 /* No snooper installed */
272 if (!srf->snooper.image)
275 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
276 DRM_ERROR("face and mipmap for cursors should never != 0\n");
280 if (cmd->header.size < 64) {
281 DRM_ERROR("at least one full copy box must be given\n");
285 box = (SVGA3dCopyBox *)&cmd[1];
286 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
287 sizeof(SVGA3dCopyBox);
289 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
290 box->x != 0 || box->y != 0 || box->z != 0 ||
291 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
292 box->d != 1 || box_count != 1) {
293 /* TODO handle none page aligned offsets */
294 /* TODO handle more dst & src != 0 */
295 /* TODO handle more then one copy */
296 DRM_ERROR("Cant snoop dma request for cursor!\n");
297 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
298 box->srcx, box->srcy, box->srcz,
299 box->x, box->y, box->z,
300 box->w, box->h, box->d, box_count,
301 cmd->dma.guest.ptr.offset);
305 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
306 kmap_num = (64*64*4) >> PAGE_SHIFT;
308 ret = ttm_bo_reserve(bo, true, false, false, NULL);
309 if (unlikely(ret != 0)) {
310 DRM_ERROR("reserve failed\n");
314 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
315 if (unlikely(ret != 0))
318 virtual = ttm_kmap_obj_virtual(&map, &dummy);
320 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
321 memcpy(srf->snooper.image, virtual, 64*64*4);
323 /* Image is unsigned pointer. */
324 for (i = 0; i < box->h; i++)
325 memcpy(srf->snooper.image + i * 64,
326 virtual + i * cmd->dma.guest.pitch,
334 ttm_bo_unreserve(bo);
337 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
339 struct drm_device *dev = dev_priv->dev;
340 struct vmw_display_unit *du;
341 struct drm_crtc *crtc;
343 mutex_lock(&dev->mode_config.mutex);
345 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
346 du = vmw_crtc_to_du(crtc);
347 if (!du->cursor_surface ||
348 du->cursor_age == du->cursor_surface->snooper.age)
351 du->cursor_age = du->cursor_surface->snooper.age;
352 vmw_cursor_update_image(dev_priv,
353 du->cursor_surface->snooper.image,
354 64, 64, du->hotspot_x, du->hotspot_y);
357 mutex_unlock(&dev->mode_config.mutex);
361 * Generic framebuffer code
365 * Surface framebuffer code
368 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
370 struct vmw_framebuffer_surface *vfbs =
371 vmw_framebuffer_to_vfbs(framebuffer);
373 drm_framebuffer_cleanup(framebuffer);
374 vmw_surface_unreference(&vfbs->surface);
375 if (vfbs->base.user_obj)
376 ttm_base_object_unref(&vfbs->base.user_obj);
381 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
382 struct drm_file *file_priv,
383 unsigned flags, unsigned color,
384 struct drm_clip_rect *clips,
387 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
388 struct vmw_framebuffer_surface *vfbs =
389 vmw_framebuffer_to_vfbs(framebuffer);
390 struct drm_clip_rect norect;
393 /* Legacy Display Unit does not support 3D */
394 if (dev_priv->active_display_unit == vmw_du_legacy)
397 drm_modeset_lock_all(dev_priv->dev);
399 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
400 if (unlikely(ret != 0)) {
401 drm_modeset_unlock_all(dev_priv->dev);
408 norect.x1 = norect.y1 = 0;
409 norect.x2 = framebuffer->width;
410 norect.y2 = framebuffer->height;
411 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
413 inc = 2; /* skip source rects */
416 if (dev_priv->active_display_unit == vmw_du_screen_object)
417 ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
418 clips, NULL, NULL, 0, 0,
419 num_clips, inc, NULL);
421 ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
422 clips, NULL, NULL, 0, 0,
423 num_clips, inc, NULL);
425 vmw_fifo_flush(dev_priv, false);
426 ttm_read_unlock(&dev_priv->reservation_sem);
428 drm_modeset_unlock_all(dev_priv->dev);
434 * vmw_kms_readback - Perform a readback from the screen system to
435 * a dma-buffer backed framebuffer.
437 * @dev_priv: Pointer to the device private structure.
438 * @file_priv: Pointer to a struct drm_file identifying the caller.
439 * Must be set to NULL if @user_fence_rep is NULL.
440 * @vfb: Pointer to the dma-buffer backed framebuffer.
441 * @user_fence_rep: User-space provided structure for fence information.
442 * Must be set to non-NULL if @file_priv is non-NULL.
443 * @vclips: Array of clip rects.
444 * @num_clips: Number of clip rects in @vclips.
446 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
449 int vmw_kms_readback(struct vmw_private *dev_priv,
450 struct drm_file *file_priv,
451 struct vmw_framebuffer *vfb,
452 struct drm_vmw_fence_rep __user *user_fence_rep,
453 struct drm_vmw_rect *vclips,
456 switch (dev_priv->active_display_unit) {
457 case vmw_du_screen_object:
458 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
459 user_fence_rep, vclips, num_clips);
460 case vmw_du_screen_target:
461 return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
462 user_fence_rep, NULL, vclips, num_clips,
466 "Readback called with invalid display system.\n");
473 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
474 .destroy = vmw_framebuffer_surface_destroy,
475 .dirty = vmw_framebuffer_surface_dirty,
478 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
479 struct vmw_surface *surface,
480 struct vmw_framebuffer **out,
481 const struct drm_mode_fb_cmd
483 bool is_dmabuf_proxy)
486 struct drm_device *dev = dev_priv->dev;
487 struct vmw_framebuffer_surface *vfbs;
488 enum SVGA3dSurfaceFormat format;
491 /* 3D is only supported on HWv8 and newer hosts */
492 if (dev_priv->active_display_unit == vmw_du_legacy)
499 /* Surface must be marked as a scanout. */
500 if (unlikely(!surface->scanout))
503 if (unlikely(surface->mip_levels[0] != 1 ||
504 surface->num_sizes != 1 ||
505 surface->base_size.width < mode_cmd->width ||
506 surface->base_size.height < mode_cmd->height ||
507 surface->base_size.depth != 1)) {
508 DRM_ERROR("Incompatible surface dimensions "
509 "for requested mode.\n");
513 switch (mode_cmd->depth) {
515 format = SVGA3D_A8R8G8B8;
518 format = SVGA3D_X8R8G8B8;
521 format = SVGA3D_R5G6B5;
524 format = SVGA3D_A1R5G5B5;
527 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
532 * For DX, surface format validation is done when surface->scanout
535 if (!dev_priv->has_dx && format != surface->format) {
536 DRM_ERROR("Invalid surface format for requested mode.\n");
540 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
546 /* XXX get the first 3 from the surface info */
547 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
548 vfbs->base.base.pitches[0] = mode_cmd->pitch;
549 vfbs->base.base.depth = mode_cmd->depth;
550 vfbs->base.base.width = mode_cmd->width;
551 vfbs->base.base.height = mode_cmd->height;
552 vfbs->surface = vmw_surface_reference(surface);
553 vfbs->base.user_handle = mode_cmd->handle;
554 vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
558 ret = drm_framebuffer_init(dev, &vfbs->base.base,
559 &vmw_framebuffer_surface_funcs);
566 vmw_surface_unreference(&surface);
573 * Dmabuf framebuffer code
576 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
578 struct vmw_framebuffer_dmabuf *vfbd =
579 vmw_framebuffer_to_vfbd(framebuffer);
581 drm_framebuffer_cleanup(framebuffer);
582 vmw_dmabuf_unreference(&vfbd->buffer);
583 if (vfbd->base.user_obj)
584 ttm_base_object_unref(&vfbd->base.user_obj);
589 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
590 struct drm_file *file_priv,
591 unsigned flags, unsigned color,
592 struct drm_clip_rect *clips,
595 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
596 struct vmw_framebuffer_dmabuf *vfbd =
597 vmw_framebuffer_to_vfbd(framebuffer);
598 struct drm_clip_rect norect;
599 int ret, increment = 1;
601 drm_modeset_lock_all(dev_priv->dev);
603 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
604 if (unlikely(ret != 0)) {
605 drm_modeset_unlock_all(dev_priv->dev);
612 norect.x1 = norect.y1 = 0;
613 norect.x2 = framebuffer->width;
614 norect.y2 = framebuffer->height;
615 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
620 switch (dev_priv->active_display_unit) {
621 case vmw_du_screen_target:
622 ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
623 clips, NULL, num_clips, increment,
626 case vmw_du_screen_object:
627 ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
628 clips, num_clips, increment,
633 ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
634 clips, num_clips, increment);
638 WARN_ONCE(true, "Dirty called with invalid display system.\n");
642 vmw_fifo_flush(dev_priv, false);
643 ttm_read_unlock(&dev_priv->reservation_sem);
645 drm_modeset_unlock_all(dev_priv->dev);
650 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
651 .destroy = vmw_framebuffer_dmabuf_destroy,
652 .dirty = vmw_framebuffer_dmabuf_dirty,
656 * Pin the dmabuffer to the start of vram.
658 static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
660 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
661 struct vmw_dma_buffer *buf;
664 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
665 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
670 switch (dev_priv->active_display_unit) {
672 vmw_overlay_pause_all(dev_priv);
673 ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
674 vmw_overlay_resume_all(dev_priv);
676 case vmw_du_screen_object:
677 case vmw_du_screen_target:
679 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
682 return vmw_dmabuf_pin_in_placement(dev_priv, buf,
683 &vmw_mob_placement, false);
691 static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
693 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
694 struct vmw_dma_buffer *buf;
696 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
697 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
702 return vmw_dmabuf_unpin(dev_priv, buf, false);
706 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
709 * @mode_cmd: parameters for the new surface
710 * @dmabuf_mob: MOB backing the DMA buf
711 * @srf_out: newly created surface
713 * When the content FB is a DMA buf, we create a surface as a proxy to the
714 * same buffer. This way we can do a surface copy rather than a surface DMA.
715 * This is a more efficient approach
718 * 0 on success, error code otherwise
720 static int vmw_create_dmabuf_proxy(struct drm_device *dev,
721 const struct drm_mode_fb_cmd *mode_cmd,
722 struct vmw_dma_buffer *dmabuf_mob,
723 struct vmw_surface **srf_out)
726 struct drm_vmw_size content_base_size;
727 struct vmw_resource *res;
730 switch (mode_cmd->depth) {
733 format = SVGA3D_X8R8G8B8;
738 format = SVGA3D_R5G6B5;
746 DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
750 content_base_size.width = mode_cmd->width;
751 content_base_size.height = mode_cmd->height;
752 content_base_size.depth = 1;
754 ret = vmw_surface_gb_priv_define(dev,
755 0, /* kernel visible only */
758 true, /* can be a scanout buffer */
759 1, /* num of mip levels */
765 DRM_ERROR("Failed to allocate proxy content buffer\n");
769 res = &(*srf_out)->res;
771 /* Reserve and switch the backing mob. */
772 mutex_lock(&res->dev_priv->cmdbuf_mutex);
773 (void) vmw_resource_reserve(res, false, true);
774 vmw_dmabuf_unreference(&res->backup);
775 res->backup = vmw_dmabuf_reference(dmabuf_mob);
776 res->backup_offset = 0;
777 vmw_resource_unreserve(res, false, NULL, 0);
778 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
785 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
786 struct vmw_dma_buffer *dmabuf,
787 struct vmw_framebuffer **out,
788 const struct drm_mode_fb_cmd
792 struct drm_device *dev = dev_priv->dev;
793 struct vmw_framebuffer_dmabuf *vfbd;
794 unsigned int requested_size;
797 requested_size = mode_cmd->height * mode_cmd->pitch;
798 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
799 DRM_ERROR("Screen buffer object size is too small "
800 "for requested mode.\n");
804 /* Limited framebuffer color depth support for screen objects */
805 if (dev_priv->active_display_unit == vmw_du_screen_object) {
806 switch (mode_cmd->depth) {
809 /* Only support 32 bpp for 32 and 24 depth fbs */
810 if (mode_cmd->bpp == 32)
813 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
814 mode_cmd->depth, mode_cmd->bpp);
818 /* Only support 16 bpp for 16 and 15 depth fbs */
819 if (mode_cmd->bpp == 16)
822 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
823 mode_cmd->depth, mode_cmd->bpp);
826 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
831 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
837 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
838 vfbd->base.base.pitches[0] = mode_cmd->pitch;
839 vfbd->base.base.depth = mode_cmd->depth;
840 vfbd->base.base.width = mode_cmd->width;
841 vfbd->base.base.height = mode_cmd->height;
842 vfbd->base.dmabuf = true;
843 vfbd->buffer = vmw_dmabuf_reference(dmabuf);
844 vfbd->base.user_handle = mode_cmd->handle;
847 ret = drm_framebuffer_init(dev, &vfbd->base.base,
848 &vmw_framebuffer_dmabuf_funcs);
855 vmw_dmabuf_unreference(&dmabuf);
862 * vmw_kms_new_framebuffer - Create a new framebuffer.
864 * @dev_priv: Pointer to device private struct.
865 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
866 * Either @dmabuf or @surface must be NULL.
867 * @surface: Pointer to a surface to wrap the kms framebuffer around.
868 * Either @dmabuf or @surface must be NULL.
869 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
870 * Helps the code to do some important optimizations.
871 * @mode_cmd: Frame-buffer metadata.
873 struct vmw_framebuffer *
874 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
875 struct vmw_dma_buffer *dmabuf,
876 struct vmw_surface *surface,
878 const struct drm_mode_fb_cmd *mode_cmd)
880 struct vmw_framebuffer *vfb = NULL;
881 bool is_dmabuf_proxy = false;
885 * We cannot use the SurfaceDMA command in an non-accelerated VM,
886 * therefore, wrap the DMA buf in a surface so we can use the
887 * SurfaceCopy command.
889 if (dmabuf && only_2d &&
890 dev_priv->active_display_unit == vmw_du_screen_target) {
891 ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
896 is_dmabuf_proxy = true;
899 /* Create the new framebuffer depending one what we have */
901 ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
906 * vmw_create_dmabuf_proxy() adds a reference that is no longer
910 vmw_surface_unreference(&surface);
912 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
921 vfb->pin = vmw_framebuffer_pin;
922 vfb->unpin = vmw_framebuffer_unpin;
928 * Generic Kernel modesetting functions
931 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
932 struct drm_file *file_priv,
933 struct drm_mode_fb_cmd2 *mode_cmd2)
935 struct vmw_private *dev_priv = vmw_priv(dev);
936 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
937 struct vmw_framebuffer *vfb = NULL;
938 struct vmw_surface *surface = NULL;
939 struct vmw_dma_buffer *bo = NULL;
940 struct ttm_base_object *user_obj;
941 struct drm_mode_fb_cmd mode_cmd;
944 mode_cmd.width = mode_cmd2->width;
945 mode_cmd.height = mode_cmd2->height;
946 mode_cmd.pitch = mode_cmd2->pitches[0];
947 mode_cmd.handle = mode_cmd2->handles[0];
948 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
952 * This code should be conditioned on Screen Objects not being used.
953 * If screen objects are used, we can allocate a GMR to hold the
954 * requested framebuffer.
957 if (!vmw_kms_validate_mode_vram(dev_priv,
960 DRM_ERROR("Requested mode exceed bounding box limit.\n");
961 return ERR_PTR(-ENOMEM);
965 * Take a reference on the user object of the resource
966 * backing the kms fb. This ensures that user-space handle
967 * lookups on that resource will always work as long as
968 * it's registered with a kms framebuffer. This is important,
969 * since vmw_execbuf_process identifies resources in the
970 * command stream using user-space handles.
973 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
974 if (unlikely(user_obj == NULL)) {
975 DRM_ERROR("Could not locate requested kms frame buffer.\n");
976 return ERR_PTR(-ENOENT);
980 * End conditioned code.
983 /* returns either a dmabuf or surface */
984 ret = vmw_user_lookup_handle(dev_priv, tfile,
990 vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
991 !(dev_priv->capabilities & SVGA_CAP_3D),
999 /* vmw_user_lookup_handle takes one ref so does new_fb */
1001 vmw_dmabuf_unreference(&bo);
1003 vmw_surface_unreference(&surface);
1006 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1007 ttm_base_object_unref(&user_obj);
1008 return ERR_PTR(ret);
1010 vfb->user_obj = user_obj;
1015 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1016 .fb_create = vmw_kms_fb_create,
1019 static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1020 struct drm_file *file_priv,
1021 struct vmw_framebuffer *vfb,
1022 struct vmw_surface *surface,
1024 int32_t destX, int32_t destY,
1025 struct drm_vmw_rect *clips,
1028 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1029 &surface->res, destX, destY,
1030 num_clips, 1, NULL);
1034 int vmw_kms_present(struct vmw_private *dev_priv,
1035 struct drm_file *file_priv,
1036 struct vmw_framebuffer *vfb,
1037 struct vmw_surface *surface,
1039 int32_t destX, int32_t destY,
1040 struct drm_vmw_rect *clips,
1045 switch (dev_priv->active_display_unit) {
1046 case vmw_du_screen_target:
1047 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1048 &surface->res, destX, destY,
1049 num_clips, 1, NULL);
1051 case vmw_du_screen_object:
1052 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1053 sid, destX, destY, clips,
1058 "Present called with invalid display system.\n");
1065 vmw_fifo_flush(dev_priv, false);
1070 int vmw_kms_init(struct vmw_private *dev_priv)
1072 struct drm_device *dev = dev_priv->dev;
1075 drm_mode_config_init(dev);
1076 dev->mode_config.funcs = &vmw_kms_funcs;
1077 dev->mode_config.min_width = 1;
1078 dev->mode_config.min_height = 1;
1079 dev->mode_config.max_width = dev_priv->texture_max_width;
1080 dev->mode_config.max_height = dev_priv->texture_max_height;
1082 ret = vmw_kms_stdu_init_display(dev_priv);
1084 ret = vmw_kms_sou_init_display(dev_priv);
1085 if (ret) /* Fallback */
1086 ret = vmw_kms_ldu_init_display(dev_priv);
1092 int vmw_kms_close(struct vmw_private *dev_priv)
1097 * Docs says we should take the lock before calling this function
1098 * but since it destroys encoders and our destructor calls
1099 * drm_encoder_cleanup which takes the lock we deadlock.
1101 drm_mode_config_cleanup(dev_priv->dev);
1102 if (dev_priv->active_display_unit == vmw_du_screen_object)
1103 ret = vmw_kms_sou_close_display(dev_priv);
1104 else if (dev_priv->active_display_unit == vmw_du_screen_target)
1105 ret = vmw_kms_stdu_close_display(dev_priv);
1107 ret = vmw_kms_ldu_close_display(dev_priv);
1112 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1113 struct drm_file *file_priv)
1115 struct drm_vmw_cursor_bypass_arg *arg = data;
1116 struct vmw_display_unit *du;
1117 struct drm_crtc *crtc;
1121 mutex_lock(&dev->mode_config.mutex);
1122 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1124 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1125 du = vmw_crtc_to_du(crtc);
1126 du->hotspot_x = arg->xhot;
1127 du->hotspot_y = arg->yhot;
1130 mutex_unlock(&dev->mode_config.mutex);
1134 crtc = drm_crtc_find(dev, arg->crtc_id);
1140 du = vmw_crtc_to_du(crtc);
1142 du->hotspot_x = arg->xhot;
1143 du->hotspot_y = arg->yhot;
1146 mutex_unlock(&dev->mode_config.mutex);
1151 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1152 unsigned width, unsigned height, unsigned pitch,
1153 unsigned bpp, unsigned depth)
1155 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1156 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1157 else if (vmw_fifo_have_pitchlock(vmw_priv))
1158 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1159 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1160 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1161 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1163 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1164 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1165 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1172 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1174 struct vmw_vga_topology_state *save;
1177 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1178 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1179 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1180 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1181 vmw_priv->vga_pitchlock =
1182 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1183 else if (vmw_fifo_have_pitchlock(vmw_priv))
1184 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
1185 SVGA_FIFO_PITCHLOCK);
1187 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1190 vmw_priv->num_displays = vmw_read(vmw_priv,
1191 SVGA_REG_NUM_GUEST_DISPLAYS);
1193 if (vmw_priv->num_displays == 0)
1194 vmw_priv->num_displays = 1;
1196 for (i = 0; i < vmw_priv->num_displays; ++i) {
1197 save = &vmw_priv->vga_save[i];
1198 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1199 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1200 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1201 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1202 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1203 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1204 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1205 if (i == 0 && vmw_priv->num_displays == 1 &&
1206 save->width == 0 && save->height == 0) {
1209 * It should be fairly safe to assume that these
1210 * values are uninitialized.
1213 save->width = vmw_priv->vga_width - save->pos_x;
1214 save->height = vmw_priv->vga_height - save->pos_y;
1221 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1223 struct vmw_vga_topology_state *save;
1226 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1227 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1228 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1229 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1230 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1231 vmw_priv->vga_pitchlock);
1232 else if (vmw_fifo_have_pitchlock(vmw_priv))
1233 iowrite32(vmw_priv->vga_pitchlock,
1234 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1236 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1239 for (i = 0; i < vmw_priv->num_displays; ++i) {
1240 save = &vmw_priv->vga_save[i];
1241 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1242 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1243 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1244 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1245 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1246 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1247 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1253 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1257 return ((u64) pitch * (u64) height) < (u64)
1258 ((dev_priv->active_display_unit == vmw_du_screen_target) ?
1259 dev_priv->prim_bb_mem : dev_priv->vram_size);
1264 * Function called by DRM code called with vbl_lock held.
1266 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
1272 * Function called by DRM code called with vbl_lock held.
1274 int vmw_enable_vblank(struct drm_device *dev, int crtc)
1280 * Function called by DRM code called with vbl_lock held.
1282 void vmw_disable_vblank(struct drm_device *dev, int crtc)
1288 * Small shared kms functions.
1291 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1292 struct drm_vmw_rect *rects)
1294 struct drm_device *dev = dev_priv->dev;
1295 struct vmw_display_unit *du;
1296 struct drm_connector *con;
1298 mutex_lock(&dev->mode_config.mutex);
1304 DRM_INFO("%s: new layout ", __func__);
1305 for (i = 0; i < num; i++)
1306 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1307 rects[i].w, rects[i].h);
1312 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1313 du = vmw_connector_to_du(con);
1314 if (num > du->unit) {
1315 du->pref_width = rects[du->unit].w;
1316 du->pref_height = rects[du->unit].h;
1317 du->pref_active = true;
1318 du->gui_x = rects[du->unit].x;
1319 du->gui_y = rects[du->unit].y;
1321 du->pref_width = 800;
1322 du->pref_height = 600;
1323 du->pref_active = false;
1325 con->status = vmw_du_connector_detect(con, true);
1328 mutex_unlock(&dev->mode_config.mutex);
1333 void vmw_du_crtc_save(struct drm_crtc *crtc)
1337 void vmw_du_crtc_restore(struct drm_crtc *crtc)
1341 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1342 u16 *r, u16 *g, u16 *b,
1343 uint32_t start, uint32_t size)
1345 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1348 for (i = 0; i < size; i++) {
1349 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1351 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1352 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1353 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1357 int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1362 void vmw_du_connector_save(struct drm_connector *connector)
1366 void vmw_du_connector_restore(struct drm_connector *connector)
1370 enum drm_connector_status
1371 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1373 uint32_t num_displays;
1374 struct drm_device *dev = connector->dev;
1375 struct vmw_private *dev_priv = vmw_priv(dev);
1376 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1378 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1380 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1382 connector_status_connected : connector_status_disconnected);
1385 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1387 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1388 752, 800, 0, 480, 489, 492, 525, 0,
1389 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1391 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1392 968, 1056, 0, 600, 601, 605, 628, 0,
1393 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1395 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1396 1184, 1344, 0, 768, 771, 777, 806, 0,
1397 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1399 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1400 1344, 1600, 0, 864, 865, 868, 900, 0,
1401 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1403 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1404 1472, 1664, 0, 768, 771, 778, 798, 0,
1405 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1407 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1408 1480, 1680, 0, 800, 803, 809, 831, 0,
1409 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1411 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1412 1488, 1800, 0, 960, 961, 964, 1000, 0,
1413 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1414 /* 1280x1024@60Hz */
1415 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1416 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1417 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1419 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1420 1536, 1792, 0, 768, 771, 777, 795, 0,
1421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1422 /* 1440x1050@60Hz */
1423 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1424 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1425 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1427 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1428 1672, 1904, 0, 900, 903, 909, 934, 0,
1429 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1430 /* 1600x1200@60Hz */
1431 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1432 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1433 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1434 /* 1680x1050@60Hz */
1435 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1436 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1437 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1438 /* 1792x1344@60Hz */
1439 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1440 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1441 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1442 /* 1853x1392@60Hz */
1443 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1444 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1445 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1446 /* 1920x1200@60Hz */
1447 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1448 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1449 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1450 /* 1920x1440@60Hz */
1451 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1452 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1453 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1454 /* 2560x1600@60Hz */
1455 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1456 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1457 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1459 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1463 * vmw_guess_mode_timing - Provide fake timings for a
1464 * 60Hz vrefresh mode.
1466 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1467 * members filled in.
1469 void vmw_guess_mode_timing(struct drm_display_mode *mode)
1471 mode->hsync_start = mode->hdisplay + 50;
1472 mode->hsync_end = mode->hsync_start + 50;
1473 mode->htotal = mode->hsync_end + 50;
1475 mode->vsync_start = mode->vdisplay + 50;
1476 mode->vsync_end = mode->vsync_start + 50;
1477 mode->vtotal = mode->vsync_end + 50;
1479 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1480 mode->vrefresh = drm_mode_vrefresh(mode);
1484 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1485 uint32_t max_width, uint32_t max_height)
1487 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1488 struct drm_device *dev = connector->dev;
1489 struct vmw_private *dev_priv = vmw_priv(dev);
1490 struct drm_display_mode *mode = NULL;
1491 struct drm_display_mode *bmode;
1492 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1493 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1494 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1495 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1498 u32 assumed_bpp = 2;
1501 * If using screen objects, then assume 32-bpp because that's what the
1502 * SVGA device is assuming
1504 if (dev_priv->active_display_unit == vmw_du_screen_object)
1507 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1508 max_width = min(max_width, dev_priv->stdu_max_width);
1509 max_height = min(max_height, dev_priv->stdu_max_height);
1512 /* Add preferred mode */
1513 mode = drm_mode_duplicate(dev, &prefmode);
1516 mode->hdisplay = du->pref_width;
1517 mode->vdisplay = du->pref_height;
1518 vmw_guess_mode_timing(mode);
1520 if (vmw_kms_validate_mode_vram(dev_priv,
1521 mode->hdisplay * assumed_bpp,
1523 drm_mode_probed_add(connector, mode);
1525 drm_mode_destroy(dev, mode);
1529 if (du->pref_mode) {
1530 list_del_init(&du->pref_mode->head);
1531 drm_mode_destroy(dev, du->pref_mode);
1534 /* mode might be null here, this is intended */
1535 du->pref_mode = mode;
1537 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1538 bmode = &vmw_kms_connector_builtin[i];
1539 if (bmode->hdisplay > max_width ||
1540 bmode->vdisplay > max_height)
1543 if (!vmw_kms_validate_mode_vram(dev_priv,
1544 bmode->hdisplay * assumed_bpp,
1548 mode = drm_mode_duplicate(dev, bmode);
1551 mode->vrefresh = drm_mode_vrefresh(mode);
1553 drm_mode_probed_add(connector, mode);
1556 drm_mode_connector_list_update(connector, true);
1557 /* Move the prefered mode first, help apps pick the right mode. */
1558 drm_mode_sort(&connector->modes);
1563 int vmw_du_connector_set_property(struct drm_connector *connector,
1564 struct drm_property *property,
1571 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1572 struct drm_file *file_priv)
1574 struct vmw_private *dev_priv = vmw_priv(dev);
1575 struct drm_vmw_update_layout_arg *arg =
1576 (struct drm_vmw_update_layout_arg *)data;
1577 void __user *user_rects;
1578 struct drm_vmw_rect *rects;
1579 unsigned rects_size;
1582 u64 total_pixels = 0;
1583 struct drm_mode_config *mode_config = &dev->mode_config;
1584 struct drm_vmw_rect bounding_box = {0};
1586 if (!arg->num_outputs) {
1587 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
1588 vmw_du_update_layout(dev_priv, 1, &def_rect);
1592 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
1593 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
1595 if (unlikely(!rects))
1598 user_rects = (void __user *)(unsigned long)arg->rects;
1599 ret = copy_from_user(rects, user_rects, rects_size);
1600 if (unlikely(ret != 0)) {
1601 DRM_ERROR("Failed to get rects.\n");
1606 for (i = 0; i < arg->num_outputs; ++i) {
1607 if (rects[i].x < 0 ||
1609 rects[i].x + rects[i].w > mode_config->max_width ||
1610 rects[i].y + rects[i].h > mode_config->max_height) {
1611 DRM_ERROR("Invalid GUI layout.\n");
1617 * bounding_box.w and bunding_box.h are used as
1618 * lower-right coordinates
1620 if (rects[i].x + rects[i].w > bounding_box.w)
1621 bounding_box.w = rects[i].x + rects[i].w;
1623 if (rects[i].y + rects[i].h > bounding_box.h)
1624 bounding_box.h = rects[i].y + rects[i].h;
1626 total_pixels += (u64) rects[i].w * (u64) rects[i].h;
1629 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1631 * For Screen Targets, the limits for a toplogy are:
1632 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
1633 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
1635 u64 bb_mem = bounding_box.w * bounding_box.h * 4;
1636 u64 pixel_mem = total_pixels * 4;
1638 if (bb_mem > dev_priv->prim_bb_mem) {
1639 DRM_ERROR("Topology is beyond supported limits.\n");
1644 if (pixel_mem > dev_priv->prim_bb_mem) {
1645 DRM_ERROR("Combined output size too large\n");
1651 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
1659 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
1660 * on a set of cliprects and a set of display units.
1662 * @dev_priv: Pointer to a device private structure.
1663 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
1664 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
1665 * Cliprects are given in framebuffer coordinates.
1666 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
1667 * be NULL. Cliprects are given in source coordinates.
1668 * @dest_x: X coordinate offset for the crtc / destination clip rects.
1669 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
1670 * @num_clips: Number of cliprects in the @clips or @vclips array.
1671 * @increment: Integer with which to increment the clip counter when looping.
1672 * Used to skip a predetermined number of clip rects.
1673 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
1675 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
1676 struct vmw_framebuffer *framebuffer,
1677 const struct drm_clip_rect *clips,
1678 const struct drm_vmw_rect *vclips,
1679 s32 dest_x, s32 dest_y,
1682 struct vmw_kms_dirty *dirty)
1684 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1685 struct drm_crtc *crtc;
1690 dirty->dev_priv = dev_priv;
1692 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1693 if (crtc->primary->fb != &framebuffer->base)
1695 units[num_units++] = vmw_crtc_to_du(crtc);
1698 for (k = 0; k < num_units; k++) {
1699 struct vmw_display_unit *unit = units[k];
1700 s32 crtc_x = unit->crtc.x;
1701 s32 crtc_y = unit->crtc.y;
1702 s32 crtc_width = unit->crtc.mode.hdisplay;
1703 s32 crtc_height = unit->crtc.mode.vdisplay;
1704 const struct drm_clip_rect *clips_ptr = clips;
1705 const struct drm_vmw_rect *vclips_ptr = vclips;
1708 if (dirty->fifo_reserve_size > 0) {
1709 dirty->cmd = vmw_fifo_reserve(dev_priv,
1710 dirty->fifo_reserve_size);
1712 DRM_ERROR("Couldn't reserve fifo space "
1713 "for dirty blits.\n");
1716 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
1718 dirty->num_hits = 0;
1719 for (i = 0; i < num_clips; i++, clips_ptr += increment,
1720 vclips_ptr += increment) {
1725 * Select clip array type. Note that integer type
1726 * in @clips is unsigned short, whereas in @vclips
1730 dirty->fb_x = (s32) clips_ptr->x1;
1731 dirty->fb_y = (s32) clips_ptr->y1;
1732 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
1734 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
1737 dirty->fb_x = vclips_ptr->x;
1738 dirty->fb_y = vclips_ptr->y;
1739 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
1741 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
1745 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
1746 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
1748 /* Skip this clip if it's outside the crtc region */
1749 if (dirty->unit_x1 >= crtc_width ||
1750 dirty->unit_y1 >= crtc_height ||
1751 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
1754 /* Clip right and bottom to crtc limits */
1755 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
1757 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
1760 /* Clip left and top to crtc limits */
1761 clip_left = min_t(s32, dirty->unit_x1, 0);
1762 clip_top = min_t(s32, dirty->unit_y1, 0);
1763 dirty->unit_x1 -= clip_left;
1764 dirty->unit_y1 -= clip_top;
1765 dirty->fb_x -= clip_left;
1766 dirty->fb_y -= clip_top;
1771 dirty->fifo_commit(dirty);
1778 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
1779 * command submission.
1781 * @dev_priv. Pointer to a device private structure.
1782 * @buf: The buffer object
1783 * @interruptible: Whether to perform waits as interruptible.
1784 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
1785 * The buffer will be validated as a GMR. Already pinned buffers will not be
1788 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
1789 * interrupted by a signal.
1791 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
1792 struct vmw_dma_buffer *buf,
1794 bool validate_as_mob)
1796 struct ttm_buffer_object *bo = &buf->base;
1799 ttm_bo_reserve(bo, false, false, interruptible, NULL);
1800 ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
1803 ttm_bo_unreserve(bo);
1809 * vmw_kms_helper_buffer_revert - Undo the actions of
1810 * vmw_kms_helper_buffer_prepare.
1812 * @res: Pointer to the buffer object.
1814 * Helper to be used if an error forces the caller to undo the actions of
1815 * vmw_kms_helper_buffer_prepare.
1817 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
1820 ttm_bo_unreserve(&buf->base);
1824 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
1825 * kms command submission.
1827 * @dev_priv: Pointer to a device private structure.
1828 * @file_priv: Pointer to a struct drm_file representing the caller's
1829 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
1830 * if non-NULL, @user_fence_rep must be non-NULL.
1831 * @buf: The buffer object.
1832 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1833 * ref-counted fence pointer is returned here.
1834 * @user_fence_rep: Optional pointer to a user-space provided struct
1835 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
1836 * function copies fence data to user-space in a fail-safe manner.
1838 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
1839 struct drm_file *file_priv,
1840 struct vmw_dma_buffer *buf,
1841 struct vmw_fence_obj **out_fence,
1842 struct drm_vmw_fence_rep __user *
1845 struct vmw_fence_obj *fence;
1849 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
1850 file_priv ? &handle : NULL);
1852 vmw_fence_single_bo(&buf->base, fence);
1854 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
1855 ret, user_fence_rep, fence,
1860 vmw_fence_obj_unreference(&fence);
1862 vmw_kms_helper_buffer_revert(buf);
1867 * vmw_kms_helper_resource_revert - Undo the actions of
1868 * vmw_kms_helper_resource_prepare.
1870 * @res: Pointer to the resource. Typically a surface.
1872 * Helper to be used if an error forces the caller to undo the actions of
1873 * vmw_kms_helper_resource_prepare.
1875 void vmw_kms_helper_resource_revert(struct vmw_resource *res)
1877 vmw_kms_helper_buffer_revert(res->backup);
1878 vmw_resource_unreserve(res, false, NULL, 0);
1879 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1883 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
1884 * command submission.
1886 * @res: Pointer to the resource. Typically a surface.
1887 * @interruptible: Whether to perform waits as interruptible.
1889 * Reserves and validates also the backup buffer if a guest-backed resource.
1890 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
1891 * interrupted by a signal.
1893 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
1899 ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
1901 mutex_lock(&res->dev_priv->cmdbuf_mutex);
1903 if (unlikely(ret != 0))
1904 return -ERESTARTSYS;
1906 ret = vmw_resource_reserve(res, interruptible, false);
1911 ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
1913 res->dev_priv->has_mob);
1917 ret = vmw_resource_validate(res);
1923 vmw_kms_helper_buffer_revert(res->backup);
1925 vmw_resource_unreserve(res, false, NULL, 0);
1927 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1932 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
1933 * kms command submission.
1935 * @res: Pointer to the resource. Typically a surface.
1936 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1937 * ref-counted fence pointer is returned here.
1939 void vmw_kms_helper_resource_finish(struct vmw_resource *res,
1940 struct vmw_fence_obj **out_fence)
1942 if (res->backup || out_fence)
1943 vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
1946 vmw_resource_unreserve(res, false, NULL, 0);
1947 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1951 * vmw_kms_update_proxy - Helper function to update a proxy surface from
1954 * @res: Pointer to the surface resource
1955 * @clips: Clip rects in framebuffer (surface) space.
1956 * @num_clips: Number of clips in @clips.
1957 * @increment: Integer with which to increment the clip counter when looping.
1958 * Used to skip a predetermined number of clip rects.
1960 * This function makes sure the proxy surface is updated from its backing MOB
1961 * using the region given by @clips. The surface resource @res and its backing
1962 * MOB needs to be reserved and validated on call.
1964 int vmw_kms_update_proxy(struct vmw_resource *res,
1965 const struct drm_clip_rect *clips,
1969 struct vmw_private *dev_priv = res->dev_priv;
1970 struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
1972 SVGA3dCmdHeader header;
1973 SVGA3dCmdUpdateGBImage body;
1976 size_t copy_size = 0;
1982 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
1984 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
1989 for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
1990 box = &cmd->body.box;
1992 cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
1993 cmd->header.size = sizeof(cmd->body);
1994 cmd->body.image.sid = res->id;
1995 cmd->body.image.face = 0;
1996 cmd->body.image.mipmap = 0;
1998 if (clips->x1 > size->width || clips->x2 > size->width ||
1999 clips->y1 > size->height || clips->y2 > size->height) {
2000 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2007 box->w = clips->x2 - clips->x1;
2008 box->h = clips->y2 - clips->y1;
2011 copy_size += sizeof(*cmd);
2014 vmw_fifo_commit(dev_priv, copy_size);
2019 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
2023 struct drm_connector **p_con,
2024 struct drm_crtc **p_crtc,
2025 struct drm_display_mode **p_mode)
2027 struct drm_connector *con;
2028 struct vmw_display_unit *du;
2029 struct drm_display_mode *mode;
2032 list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
2041 DRM_ERROR("Could not find initial display unit.\n");
2045 if (list_empty(&con->modes))
2046 (void) vmw_du_connector_fill_modes(con, max_width, max_height);
2048 if (list_empty(&con->modes)) {
2049 DRM_ERROR("Could not find initial display mode.\n");
2053 du = vmw_connector_to_du(con);
2055 *p_crtc = &du->crtc;
2057 list_for_each_entry(mode, &con->modes, head) {
2058 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2062 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2065 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2066 *p_mode = list_first_entry(&con->modes,
2067 struct drm_display_mode,