1 /**************************************************************************
3 * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "vmwgfx_kms.h"
30 /* Might need a hrtimer here? */
31 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
33 void vmw_du_cleanup(struct vmw_display_unit *du)
35 if (du->cursor_surface)
36 vmw_surface_unreference(&du->cursor_surface);
37 if (du->cursor_dmabuf)
38 vmw_dmabuf_unreference(&du->cursor_dmabuf);
39 drm_connector_unregister(&du->connector);
40 drm_crtc_cleanup(&du->crtc);
41 drm_encoder_cleanup(&du->encoder);
42 drm_connector_cleanup(&du->connector);
46 * Display Unit Cursor functions
49 int vmw_cursor_update_image(struct vmw_private *dev_priv,
50 u32 *image, u32 width, u32 height,
51 u32 hotspotX, u32 hotspotY)
55 SVGAFifoCmdDefineAlphaCursor cursor;
57 u32 image_size = width * height * 4;
58 u32 cmd_size = sizeof(*cmd) + image_size;
63 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
64 if (unlikely(cmd == NULL)) {
65 DRM_ERROR("Fifo reserve failed.\n");
69 memset(cmd, 0, sizeof(*cmd));
71 memcpy(&cmd[1], image, image_size);
73 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
75 cmd->cursor.width = width;
76 cmd->cursor.height = height;
77 cmd->cursor.hotspotX = hotspotX;
78 cmd->cursor.hotspotY = hotspotY;
80 vmw_fifo_commit_flush(dev_priv, cmd_size);
85 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
86 struct vmw_dma_buffer *dmabuf,
87 u32 width, u32 height,
88 u32 hotspotX, u32 hotspotY)
90 struct ttm_bo_kmap_obj map;
91 unsigned long kmap_offset;
92 unsigned long kmap_num;
98 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
100 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL);
101 if (unlikely(ret != 0)) {
102 DRM_ERROR("reserve failed\n");
106 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
107 if (unlikely(ret != 0))
110 virtual = ttm_kmap_obj_virtual(&map, &dummy);
111 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
116 ttm_bo_unreserve(&dmabuf->base);
122 void vmw_cursor_update_position(struct vmw_private *dev_priv,
123 bool show, int x, int y)
125 u32 *fifo_mem = dev_priv->mmio_virt;
128 vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
129 vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
130 vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
131 count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
132 vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
137 * vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback.
139 int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
140 uint32_t handle, uint32_t width, uint32_t height,
141 int32_t hot_x, int32_t hot_y)
143 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
144 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
145 struct vmw_surface *surface = NULL;
146 struct vmw_dma_buffer *dmabuf = NULL;
147 s32 hotspot_x, hotspot_y;
151 * FIXME: Unclear whether there's any global state touched by the
152 * cursor_set function, especially vmw_cursor_update_position looks
153 * suspicious. For now take the easy route and reacquire all locks. We
154 * can do this since the caller in the drm core doesn't check anything
155 * which is protected by any looks.
157 drm_modeset_unlock_crtc(crtc);
158 drm_modeset_lock_all(dev_priv->dev);
159 hotspot_x = hot_x + du->hotspot_x;
160 hotspot_y = hot_y + du->hotspot_y;
162 /* A lot of the code assumes this */
163 if (handle && (width != 64 || height != 64)) {
169 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
171 ret = vmw_user_lookup_handle(dev_priv, tfile,
172 handle, &surface, &dmabuf);
174 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
180 /* need to do this before taking down old image */
181 if (surface && !surface->snooper.image) {
182 DRM_ERROR("surface not suitable for cursor\n");
183 vmw_surface_unreference(&surface);
188 /* takedown old cursor */
189 if (du->cursor_surface) {
190 du->cursor_surface->snooper.crtc = NULL;
191 vmw_surface_unreference(&du->cursor_surface);
193 if (du->cursor_dmabuf)
194 vmw_dmabuf_unreference(&du->cursor_dmabuf);
196 /* setup new image */
199 /* vmw_user_surface_lookup takes one reference */
200 du->cursor_surface = surface;
202 du->cursor_surface->snooper.crtc = crtc;
203 du->cursor_age = du->cursor_surface->snooper.age;
204 ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
205 64, 64, hotspot_x, hotspot_y);
207 /* vmw_user_surface_lookup takes one reference */
208 du->cursor_dmabuf = dmabuf;
210 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
211 hotspot_x, hotspot_y);
213 vmw_cursor_update_position(dev_priv, false, 0, 0);
218 vmw_cursor_update_position(dev_priv, true,
219 du->cursor_x + hotspot_x,
220 du->cursor_y + hotspot_y);
221 du->core_hotspot_x = hot_x;
222 du->core_hotspot_y = hot_y;
226 drm_modeset_unlock_all(dev_priv->dev);
227 drm_modeset_lock_crtc(crtc, crtc->cursor);
232 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
234 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
235 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
236 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
238 du->cursor_x = x + crtc->x;
239 du->cursor_y = y + crtc->y;
242 * FIXME: Unclear whether there's any global state touched by the
243 * cursor_set function, especially vmw_cursor_update_position looks
244 * suspicious. For now take the easy route and reacquire all locks. We
245 * can do this since the caller in the drm core doesn't check anything
246 * which is protected by any looks.
248 drm_modeset_unlock_crtc(crtc);
249 drm_modeset_lock_all(dev_priv->dev);
251 vmw_cursor_update_position(dev_priv, shown,
252 du->cursor_x + du->hotspot_x +
254 du->cursor_y + du->hotspot_y +
257 drm_modeset_unlock_all(dev_priv->dev);
258 drm_modeset_lock_crtc(crtc, crtc->cursor);
263 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
264 struct ttm_object_file *tfile,
265 struct ttm_buffer_object *bo,
266 SVGA3dCmdHeader *header)
268 struct ttm_bo_kmap_obj map;
269 unsigned long kmap_offset;
270 unsigned long kmap_num;
276 SVGA3dCmdHeader header;
277 SVGA3dCmdSurfaceDMA dma;
281 cmd = container_of(header, struct vmw_dma_cmd, header);
283 /* No snooper installed */
284 if (!srf->snooper.image)
287 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
288 DRM_ERROR("face and mipmap for cursors should never != 0\n");
292 if (cmd->header.size < 64) {
293 DRM_ERROR("at least one full copy box must be given\n");
297 box = (SVGA3dCopyBox *)&cmd[1];
298 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
299 sizeof(SVGA3dCopyBox);
301 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
302 box->x != 0 || box->y != 0 || box->z != 0 ||
303 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
304 box->d != 1 || box_count != 1) {
305 /* TODO handle none page aligned offsets */
306 /* TODO handle more dst & src != 0 */
307 /* TODO handle more then one copy */
308 DRM_ERROR("Cant snoop dma request for cursor!\n");
309 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
310 box->srcx, box->srcy, box->srcz,
311 box->x, box->y, box->z,
312 box->w, box->h, box->d, box_count,
313 cmd->dma.guest.ptr.offset);
317 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
318 kmap_num = (64*64*4) >> PAGE_SHIFT;
320 ret = ttm_bo_reserve(bo, true, false, false, NULL);
321 if (unlikely(ret != 0)) {
322 DRM_ERROR("reserve failed\n");
326 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
327 if (unlikely(ret != 0))
330 virtual = ttm_kmap_obj_virtual(&map, &dummy);
332 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
333 memcpy(srf->snooper.image, virtual, 64*64*4);
335 /* Image is unsigned pointer. */
336 for (i = 0; i < box->h; i++)
337 memcpy(srf->snooper.image + i * 64,
338 virtual + i * cmd->dma.guest.pitch,
346 ttm_bo_unreserve(bo);
350 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
352 * @dev_priv: Pointer to the device private struct.
354 * Clears all legacy hotspots.
356 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
358 struct drm_device *dev = dev_priv->dev;
359 struct vmw_display_unit *du;
360 struct drm_crtc *crtc;
362 drm_modeset_lock_all(dev);
363 drm_for_each_crtc(crtc, dev) {
364 du = vmw_crtc_to_du(crtc);
369 drm_modeset_unlock_all(dev);
372 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
374 struct drm_device *dev = dev_priv->dev;
375 struct vmw_display_unit *du;
376 struct drm_crtc *crtc;
378 mutex_lock(&dev->mode_config.mutex);
380 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
381 du = vmw_crtc_to_du(crtc);
382 if (!du->cursor_surface ||
383 du->cursor_age == du->cursor_surface->snooper.age)
386 du->cursor_age = du->cursor_surface->snooper.age;
387 vmw_cursor_update_image(dev_priv,
388 du->cursor_surface->snooper.image,
390 du->hotspot_x + du->core_hotspot_x,
391 du->hotspot_y + du->core_hotspot_y);
394 mutex_unlock(&dev->mode_config.mutex);
398 * Generic framebuffer code
402 * Surface framebuffer code
405 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
407 struct vmw_framebuffer_surface *vfbs =
408 vmw_framebuffer_to_vfbs(framebuffer);
410 drm_framebuffer_cleanup(framebuffer);
411 vmw_surface_unreference(&vfbs->surface);
412 if (vfbs->base.user_obj)
413 ttm_base_object_unref(&vfbs->base.user_obj);
418 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
419 struct drm_file *file_priv,
420 unsigned flags, unsigned color,
421 struct drm_clip_rect *clips,
424 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
425 struct vmw_framebuffer_surface *vfbs =
426 vmw_framebuffer_to_vfbs(framebuffer);
427 struct drm_clip_rect norect;
430 /* Legacy Display Unit does not support 3D */
431 if (dev_priv->active_display_unit == vmw_du_legacy)
434 drm_modeset_lock_all(dev_priv->dev);
436 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
437 if (unlikely(ret != 0)) {
438 drm_modeset_unlock_all(dev_priv->dev);
445 norect.x1 = norect.y1 = 0;
446 norect.x2 = framebuffer->width;
447 norect.y2 = framebuffer->height;
448 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
450 inc = 2; /* skip source rects */
453 if (dev_priv->active_display_unit == vmw_du_screen_object)
454 ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
455 clips, NULL, NULL, 0, 0,
456 num_clips, inc, NULL);
458 ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
459 clips, NULL, NULL, 0, 0,
460 num_clips, inc, NULL);
462 vmw_fifo_flush(dev_priv, false);
463 ttm_read_unlock(&dev_priv->reservation_sem);
465 drm_modeset_unlock_all(dev_priv->dev);
471 * vmw_kms_readback - Perform a readback from the screen system to
472 * a dma-buffer backed framebuffer.
474 * @dev_priv: Pointer to the device private structure.
475 * @file_priv: Pointer to a struct drm_file identifying the caller.
476 * Must be set to NULL if @user_fence_rep is NULL.
477 * @vfb: Pointer to the dma-buffer backed framebuffer.
478 * @user_fence_rep: User-space provided structure for fence information.
479 * Must be set to non-NULL if @file_priv is non-NULL.
480 * @vclips: Array of clip rects.
481 * @num_clips: Number of clip rects in @vclips.
483 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
486 int vmw_kms_readback(struct vmw_private *dev_priv,
487 struct drm_file *file_priv,
488 struct vmw_framebuffer *vfb,
489 struct drm_vmw_fence_rep __user *user_fence_rep,
490 struct drm_vmw_rect *vclips,
493 switch (dev_priv->active_display_unit) {
494 case vmw_du_screen_object:
495 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
496 user_fence_rep, vclips, num_clips);
497 case vmw_du_screen_target:
498 return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
499 user_fence_rep, NULL, vclips, num_clips,
503 "Readback called with invalid display system.\n");
510 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
511 .destroy = vmw_framebuffer_surface_destroy,
512 .dirty = vmw_framebuffer_surface_dirty,
515 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
516 struct vmw_surface *surface,
517 struct vmw_framebuffer **out,
518 const struct drm_mode_fb_cmd
520 bool is_dmabuf_proxy)
523 struct drm_device *dev = dev_priv->dev;
524 struct vmw_framebuffer_surface *vfbs;
525 enum SVGA3dSurfaceFormat format;
528 /* 3D is only supported on HWv8 and newer hosts */
529 if (dev_priv->active_display_unit == vmw_du_legacy)
536 /* Surface must be marked as a scanout. */
537 if (unlikely(!surface->scanout))
540 if (unlikely(surface->mip_levels[0] != 1 ||
541 surface->num_sizes != 1 ||
542 surface->base_size.width < mode_cmd->width ||
543 surface->base_size.height < mode_cmd->height ||
544 surface->base_size.depth != 1)) {
545 DRM_ERROR("Incompatible surface dimensions "
546 "for requested mode.\n");
550 switch (mode_cmd->depth) {
552 format = SVGA3D_A8R8G8B8;
555 format = SVGA3D_X8R8G8B8;
558 format = SVGA3D_R5G6B5;
561 format = SVGA3D_A1R5G5B5;
564 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
569 * For DX, surface format validation is done when surface->scanout
572 if (!dev_priv->has_dx && format != surface->format) {
573 DRM_ERROR("Invalid surface format for requested mode.\n");
577 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
583 /* XXX get the first 3 from the surface info */
584 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
585 vfbs->base.base.pitches[0] = mode_cmd->pitch;
586 vfbs->base.base.depth = mode_cmd->depth;
587 vfbs->base.base.width = mode_cmd->width;
588 vfbs->base.base.height = mode_cmd->height;
589 vfbs->surface = vmw_surface_reference(surface);
590 vfbs->base.user_handle = mode_cmd->handle;
591 vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
595 ret = drm_framebuffer_init(dev, &vfbs->base.base,
596 &vmw_framebuffer_surface_funcs);
603 vmw_surface_unreference(&surface);
610 * Dmabuf framebuffer code
613 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
615 struct vmw_framebuffer_dmabuf *vfbd =
616 vmw_framebuffer_to_vfbd(framebuffer);
618 drm_framebuffer_cleanup(framebuffer);
619 vmw_dmabuf_unreference(&vfbd->buffer);
620 if (vfbd->base.user_obj)
621 ttm_base_object_unref(&vfbd->base.user_obj);
626 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
627 struct drm_file *file_priv,
628 unsigned flags, unsigned color,
629 struct drm_clip_rect *clips,
632 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
633 struct vmw_framebuffer_dmabuf *vfbd =
634 vmw_framebuffer_to_vfbd(framebuffer);
635 struct drm_clip_rect norect;
636 int ret, increment = 1;
638 drm_modeset_lock_all(dev_priv->dev);
640 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
641 if (unlikely(ret != 0)) {
642 drm_modeset_unlock_all(dev_priv->dev);
649 norect.x1 = norect.y1 = 0;
650 norect.x2 = framebuffer->width;
651 norect.y2 = framebuffer->height;
652 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
657 switch (dev_priv->active_display_unit) {
658 case vmw_du_screen_target:
659 ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
660 clips, NULL, num_clips, increment,
663 case vmw_du_screen_object:
664 ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
665 clips, num_clips, increment,
670 ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
671 clips, num_clips, increment);
675 WARN_ONCE(true, "Dirty called with invalid display system.\n");
679 vmw_fifo_flush(dev_priv, false);
680 ttm_read_unlock(&dev_priv->reservation_sem);
682 drm_modeset_unlock_all(dev_priv->dev);
687 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
688 .destroy = vmw_framebuffer_dmabuf_destroy,
689 .dirty = vmw_framebuffer_dmabuf_dirty,
693 * Pin the dmabuffer to the start of vram.
695 static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
697 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
698 struct vmw_dma_buffer *buf;
701 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
702 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
707 switch (dev_priv->active_display_unit) {
709 vmw_overlay_pause_all(dev_priv);
710 ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
711 vmw_overlay_resume_all(dev_priv);
713 case vmw_du_screen_object:
714 case vmw_du_screen_target:
716 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
719 return vmw_dmabuf_pin_in_placement(dev_priv, buf,
720 &vmw_mob_placement, false);
728 static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
730 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
731 struct vmw_dma_buffer *buf;
733 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
734 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
739 return vmw_dmabuf_unpin(dev_priv, buf, false);
743 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
746 * @mode_cmd: parameters for the new surface
747 * @dmabuf_mob: MOB backing the DMA buf
748 * @srf_out: newly created surface
750 * When the content FB is a DMA buf, we create a surface as a proxy to the
751 * same buffer. This way we can do a surface copy rather than a surface DMA.
752 * This is a more efficient approach
755 * 0 on success, error code otherwise
757 static int vmw_create_dmabuf_proxy(struct drm_device *dev,
758 const struct drm_mode_fb_cmd *mode_cmd,
759 struct vmw_dma_buffer *dmabuf_mob,
760 struct vmw_surface **srf_out)
763 struct drm_vmw_size content_base_size;
764 struct vmw_resource *res;
765 unsigned int bytes_pp;
768 switch (mode_cmd->depth) {
771 format = SVGA3D_X8R8G8B8;
777 format = SVGA3D_R5G6B5;
787 DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
791 content_base_size.width = mode_cmd->pitch / bytes_pp;
792 content_base_size.height = mode_cmd->height;
793 content_base_size.depth = 1;
795 ret = vmw_surface_gb_priv_define(dev,
796 0, /* kernel visible only */
799 true, /* can be a scanout buffer */
800 1, /* num of mip levels */
806 DRM_ERROR("Failed to allocate proxy content buffer\n");
810 res = &(*srf_out)->res;
812 /* Reserve and switch the backing mob. */
813 mutex_lock(&res->dev_priv->cmdbuf_mutex);
814 (void) vmw_resource_reserve(res, false, true);
815 vmw_dmabuf_unreference(&res->backup);
816 res->backup = vmw_dmabuf_reference(dmabuf_mob);
817 res->backup_offset = 0;
818 vmw_resource_unreserve(res, false, NULL, 0);
819 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
826 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
827 struct vmw_dma_buffer *dmabuf,
828 struct vmw_framebuffer **out,
829 const struct drm_mode_fb_cmd
833 struct drm_device *dev = dev_priv->dev;
834 struct vmw_framebuffer_dmabuf *vfbd;
835 unsigned int requested_size;
838 requested_size = mode_cmd->height * mode_cmd->pitch;
839 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
840 DRM_ERROR("Screen buffer object size is too small "
841 "for requested mode.\n");
845 /* Limited framebuffer color depth support for screen objects */
846 if (dev_priv->active_display_unit == vmw_du_screen_object) {
847 switch (mode_cmd->depth) {
850 /* Only support 32 bpp for 32 and 24 depth fbs */
851 if (mode_cmd->bpp == 32)
854 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
855 mode_cmd->depth, mode_cmd->bpp);
859 /* Only support 16 bpp for 16 and 15 depth fbs */
860 if (mode_cmd->bpp == 16)
863 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
864 mode_cmd->depth, mode_cmd->bpp);
867 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
872 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
878 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
879 vfbd->base.base.pitches[0] = mode_cmd->pitch;
880 vfbd->base.base.depth = mode_cmd->depth;
881 vfbd->base.base.width = mode_cmd->width;
882 vfbd->base.base.height = mode_cmd->height;
883 vfbd->base.dmabuf = true;
884 vfbd->buffer = vmw_dmabuf_reference(dmabuf);
885 vfbd->base.user_handle = mode_cmd->handle;
888 ret = drm_framebuffer_init(dev, &vfbd->base.base,
889 &vmw_framebuffer_dmabuf_funcs);
896 vmw_dmabuf_unreference(&dmabuf);
903 * vmw_kms_new_framebuffer - Create a new framebuffer.
905 * @dev_priv: Pointer to device private struct.
906 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
907 * Either @dmabuf or @surface must be NULL.
908 * @surface: Pointer to a surface to wrap the kms framebuffer around.
909 * Either @dmabuf or @surface must be NULL.
910 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
911 * Helps the code to do some important optimizations.
912 * @mode_cmd: Frame-buffer metadata.
914 struct vmw_framebuffer *
915 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
916 struct vmw_dma_buffer *dmabuf,
917 struct vmw_surface *surface,
919 const struct drm_mode_fb_cmd *mode_cmd)
921 struct vmw_framebuffer *vfb = NULL;
922 bool is_dmabuf_proxy = false;
926 * We cannot use the SurfaceDMA command in an non-accelerated VM,
927 * therefore, wrap the DMA buf in a surface so we can use the
928 * SurfaceCopy command.
930 if (dmabuf && only_2d &&
931 dev_priv->active_display_unit == vmw_du_screen_target) {
932 ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
937 is_dmabuf_proxy = true;
940 /* Create the new framebuffer depending one what we have */
942 ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
947 * vmw_create_dmabuf_proxy() adds a reference that is no longer
951 vmw_surface_unreference(&surface);
953 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
962 vfb->pin = vmw_framebuffer_pin;
963 vfb->unpin = vmw_framebuffer_unpin;
969 * Generic Kernel modesetting functions
972 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
973 struct drm_file *file_priv,
974 struct drm_mode_fb_cmd2 *mode_cmd2)
976 struct vmw_private *dev_priv = vmw_priv(dev);
977 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
978 struct vmw_framebuffer *vfb = NULL;
979 struct vmw_surface *surface = NULL;
980 struct vmw_dma_buffer *bo = NULL;
981 struct ttm_base_object *user_obj;
982 struct drm_mode_fb_cmd mode_cmd;
985 mode_cmd.width = mode_cmd2->width;
986 mode_cmd.height = mode_cmd2->height;
987 mode_cmd.pitch = mode_cmd2->pitches[0];
988 mode_cmd.handle = mode_cmd2->handles[0];
989 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
993 * This code should be conditioned on Screen Objects not being used.
994 * If screen objects are used, we can allocate a GMR to hold the
995 * requested framebuffer.
998 if (!vmw_kms_validate_mode_vram(dev_priv,
1001 DRM_ERROR("Requested mode exceed bounding box limit.\n");
1002 return ERR_PTR(-ENOMEM);
1006 * Take a reference on the user object of the resource
1007 * backing the kms fb. This ensures that user-space handle
1008 * lookups on that resource will always work as long as
1009 * it's registered with a kms framebuffer. This is important,
1010 * since vmw_execbuf_process identifies resources in the
1011 * command stream using user-space handles.
1014 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1015 if (unlikely(user_obj == NULL)) {
1016 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1017 return ERR_PTR(-ENOENT);
1021 * End conditioned code.
1024 /* returns either a dmabuf or surface */
1025 ret = vmw_user_lookup_handle(dev_priv, tfile,
1031 vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
1032 !(dev_priv->capabilities & SVGA_CAP_3D),
1040 /* vmw_user_lookup_handle takes one ref so does new_fb */
1042 vmw_dmabuf_unreference(&bo);
1044 vmw_surface_unreference(&surface);
1047 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1048 ttm_base_object_unref(&user_obj);
1049 return ERR_PTR(ret);
1051 vfb->user_obj = user_obj;
1056 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1057 .fb_create = vmw_kms_fb_create,
1060 static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1061 struct drm_file *file_priv,
1062 struct vmw_framebuffer *vfb,
1063 struct vmw_surface *surface,
1065 int32_t destX, int32_t destY,
1066 struct drm_vmw_rect *clips,
1069 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1070 &surface->res, destX, destY,
1071 num_clips, 1, NULL);
1075 int vmw_kms_present(struct vmw_private *dev_priv,
1076 struct drm_file *file_priv,
1077 struct vmw_framebuffer *vfb,
1078 struct vmw_surface *surface,
1080 int32_t destX, int32_t destY,
1081 struct drm_vmw_rect *clips,
1086 switch (dev_priv->active_display_unit) {
1087 case vmw_du_screen_target:
1088 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1089 &surface->res, destX, destY,
1090 num_clips, 1, NULL);
1092 case vmw_du_screen_object:
1093 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1094 sid, destX, destY, clips,
1099 "Present called with invalid display system.\n");
1106 vmw_fifo_flush(dev_priv, false);
1111 int vmw_kms_init(struct vmw_private *dev_priv)
1113 struct drm_device *dev = dev_priv->dev;
1116 drm_mode_config_init(dev);
1117 dev->mode_config.funcs = &vmw_kms_funcs;
1118 dev->mode_config.min_width = 1;
1119 dev->mode_config.min_height = 1;
1120 dev->mode_config.max_width = dev_priv->texture_max_width;
1121 dev->mode_config.max_height = dev_priv->texture_max_height;
1123 ret = vmw_kms_stdu_init_display(dev_priv);
1125 ret = vmw_kms_sou_init_display(dev_priv);
1126 if (ret) /* Fallback */
1127 ret = vmw_kms_ldu_init_display(dev_priv);
1133 int vmw_kms_close(struct vmw_private *dev_priv)
1138 * Docs says we should take the lock before calling this function
1139 * but since it destroys encoders and our destructor calls
1140 * drm_encoder_cleanup which takes the lock we deadlock.
1142 drm_mode_config_cleanup(dev_priv->dev);
1143 if (dev_priv->active_display_unit == vmw_du_screen_object)
1144 ret = vmw_kms_sou_close_display(dev_priv);
1145 else if (dev_priv->active_display_unit == vmw_du_screen_target)
1146 ret = vmw_kms_stdu_close_display(dev_priv);
1148 ret = vmw_kms_ldu_close_display(dev_priv);
1153 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1154 struct drm_file *file_priv)
1156 struct drm_vmw_cursor_bypass_arg *arg = data;
1157 struct vmw_display_unit *du;
1158 struct drm_crtc *crtc;
1162 mutex_lock(&dev->mode_config.mutex);
1163 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1165 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1166 du = vmw_crtc_to_du(crtc);
1167 du->hotspot_x = arg->xhot;
1168 du->hotspot_y = arg->yhot;
1171 mutex_unlock(&dev->mode_config.mutex);
1175 crtc = drm_crtc_find(dev, arg->crtc_id);
1181 du = vmw_crtc_to_du(crtc);
1183 du->hotspot_x = arg->xhot;
1184 du->hotspot_y = arg->yhot;
1187 mutex_unlock(&dev->mode_config.mutex);
1192 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1193 unsigned width, unsigned height, unsigned pitch,
1194 unsigned bpp, unsigned depth)
1196 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1197 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1198 else if (vmw_fifo_have_pitchlock(vmw_priv))
1199 vmw_mmio_write(pitch, vmw_priv->mmio_virt +
1200 SVGA_FIFO_PITCHLOCK);
1201 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1202 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1203 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1205 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1206 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1207 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1214 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1216 struct vmw_vga_topology_state *save;
1219 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1220 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1221 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1222 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1223 vmw_priv->vga_pitchlock =
1224 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1225 else if (vmw_fifo_have_pitchlock(vmw_priv))
1226 vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
1227 SVGA_FIFO_PITCHLOCK);
1229 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1232 vmw_priv->num_displays = vmw_read(vmw_priv,
1233 SVGA_REG_NUM_GUEST_DISPLAYS);
1235 if (vmw_priv->num_displays == 0)
1236 vmw_priv->num_displays = 1;
1238 for (i = 0; i < vmw_priv->num_displays; ++i) {
1239 save = &vmw_priv->vga_save[i];
1240 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1241 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1242 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1243 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1244 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1245 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1246 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1247 if (i == 0 && vmw_priv->num_displays == 1 &&
1248 save->width == 0 && save->height == 0) {
1251 * It should be fairly safe to assume that these
1252 * values are uninitialized.
1255 save->width = vmw_priv->vga_width - save->pos_x;
1256 save->height = vmw_priv->vga_height - save->pos_y;
1263 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1265 struct vmw_vga_topology_state *save;
1268 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1269 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1270 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1271 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1272 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1273 vmw_priv->vga_pitchlock);
1274 else if (vmw_fifo_have_pitchlock(vmw_priv))
1275 vmw_mmio_write(vmw_priv->vga_pitchlock,
1276 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1278 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1281 for (i = 0; i < vmw_priv->num_displays; ++i) {
1282 save = &vmw_priv->vga_save[i];
1283 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1284 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1285 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1286 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1287 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1288 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1289 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1295 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1299 return ((u64) pitch * (u64) height) < (u64)
1300 ((dev_priv->active_display_unit == vmw_du_screen_target) ?
1301 dev_priv->prim_bb_mem : dev_priv->vram_size);
1306 * Function called by DRM code called with vbl_lock held.
1308 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
1314 * Function called by DRM code called with vbl_lock held.
1316 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
1322 * Function called by DRM code called with vbl_lock held.
1324 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
1330 * Small shared kms functions.
1333 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1334 struct drm_vmw_rect *rects)
1336 struct drm_device *dev = dev_priv->dev;
1337 struct vmw_display_unit *du;
1338 struct drm_connector *con;
1340 mutex_lock(&dev->mode_config.mutex);
1346 DRM_INFO("%s: new layout ", __func__);
1347 for (i = 0; i < num; i++)
1348 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1349 rects[i].w, rects[i].h);
1354 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1355 du = vmw_connector_to_du(con);
1356 if (num > du->unit) {
1357 du->pref_width = rects[du->unit].w;
1358 du->pref_height = rects[du->unit].h;
1359 du->pref_active = true;
1360 du->gui_x = rects[du->unit].x;
1361 du->gui_y = rects[du->unit].y;
1363 du->pref_width = 800;
1364 du->pref_height = 600;
1365 du->pref_active = false;
1367 con->status = vmw_du_connector_detect(con, true);
1370 mutex_unlock(&dev->mode_config.mutex);
1375 void vmw_du_crtc_save(struct drm_crtc *crtc)
1379 void vmw_du_crtc_restore(struct drm_crtc *crtc)
1383 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1384 u16 *r, u16 *g, u16 *b,
1385 uint32_t start, uint32_t size)
1387 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1390 for (i = 0; i < size; i++) {
1391 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1393 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1394 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1395 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1399 int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1404 void vmw_du_connector_save(struct drm_connector *connector)
1408 void vmw_du_connector_restore(struct drm_connector *connector)
1412 enum drm_connector_status
1413 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1415 uint32_t num_displays;
1416 struct drm_device *dev = connector->dev;
1417 struct vmw_private *dev_priv = vmw_priv(dev);
1418 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1420 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1422 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1424 connector_status_connected : connector_status_disconnected);
1427 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1429 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1430 752, 800, 0, 480, 489, 492, 525, 0,
1431 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1433 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1434 968, 1056, 0, 600, 601, 605, 628, 0,
1435 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1437 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1438 1184, 1344, 0, 768, 771, 777, 806, 0,
1439 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1441 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1442 1344, 1600, 0, 864, 865, 868, 900, 0,
1443 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1445 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1446 1472, 1664, 0, 768, 771, 778, 798, 0,
1447 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1449 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1450 1480, 1680, 0, 800, 803, 809, 831, 0,
1451 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1453 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1454 1488, 1800, 0, 960, 961, 964, 1000, 0,
1455 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1456 /* 1280x1024@60Hz */
1457 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1458 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1459 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1461 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1462 1536, 1792, 0, 768, 771, 777, 795, 0,
1463 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1464 /* 1440x1050@60Hz */
1465 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1466 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1467 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1469 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1470 1672, 1904, 0, 900, 903, 909, 934, 0,
1471 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1472 /* 1600x1200@60Hz */
1473 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1474 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1475 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476 /* 1680x1050@60Hz */
1477 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1478 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1479 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1480 /* 1792x1344@60Hz */
1481 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1482 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1483 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1484 /* 1853x1392@60Hz */
1485 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1486 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1487 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488 /* 1920x1200@60Hz */
1489 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1490 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1491 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492 /* 1920x1440@60Hz */
1493 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1494 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1495 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1496 /* 2560x1600@60Hz */
1497 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1498 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1499 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1505 * vmw_guess_mode_timing - Provide fake timings for a
1506 * 60Hz vrefresh mode.
1508 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1509 * members filled in.
1511 void vmw_guess_mode_timing(struct drm_display_mode *mode)
1513 mode->hsync_start = mode->hdisplay + 50;
1514 mode->hsync_end = mode->hsync_start + 50;
1515 mode->htotal = mode->hsync_end + 50;
1517 mode->vsync_start = mode->vdisplay + 50;
1518 mode->vsync_end = mode->vsync_start + 50;
1519 mode->vtotal = mode->vsync_end + 50;
1521 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1522 mode->vrefresh = drm_mode_vrefresh(mode);
1526 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1527 uint32_t max_width, uint32_t max_height)
1529 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1530 struct drm_device *dev = connector->dev;
1531 struct vmw_private *dev_priv = vmw_priv(dev);
1532 struct drm_display_mode *mode = NULL;
1533 struct drm_display_mode *bmode;
1534 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1535 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1536 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1537 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1540 u32 assumed_bpp = 4;
1542 if (dev_priv->assume_16bpp)
1545 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1546 max_width = min(max_width, dev_priv->stdu_max_width);
1547 max_height = min(max_height, dev_priv->stdu_max_height);
1550 /* Add preferred mode */
1551 mode = drm_mode_duplicate(dev, &prefmode);
1554 mode->hdisplay = du->pref_width;
1555 mode->vdisplay = du->pref_height;
1556 vmw_guess_mode_timing(mode);
1558 if (vmw_kms_validate_mode_vram(dev_priv,
1559 mode->hdisplay * assumed_bpp,
1561 drm_mode_probed_add(connector, mode);
1563 drm_mode_destroy(dev, mode);
1567 if (du->pref_mode) {
1568 list_del_init(&du->pref_mode->head);
1569 drm_mode_destroy(dev, du->pref_mode);
1572 /* mode might be null here, this is intended */
1573 du->pref_mode = mode;
1575 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1576 bmode = &vmw_kms_connector_builtin[i];
1577 if (bmode->hdisplay > max_width ||
1578 bmode->vdisplay > max_height)
1581 if (!vmw_kms_validate_mode_vram(dev_priv,
1582 bmode->hdisplay * assumed_bpp,
1586 mode = drm_mode_duplicate(dev, bmode);
1589 mode->vrefresh = drm_mode_vrefresh(mode);
1591 drm_mode_probed_add(connector, mode);
1594 drm_mode_connector_list_update(connector, true);
1595 /* Move the prefered mode first, help apps pick the right mode. */
1596 drm_mode_sort(&connector->modes);
1601 int vmw_du_connector_set_property(struct drm_connector *connector,
1602 struct drm_property *property,
1609 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1610 struct drm_file *file_priv)
1612 struct vmw_private *dev_priv = vmw_priv(dev);
1613 struct drm_vmw_update_layout_arg *arg =
1614 (struct drm_vmw_update_layout_arg *)data;
1615 void __user *user_rects;
1616 struct drm_vmw_rect *rects;
1617 unsigned rects_size;
1620 u64 total_pixels = 0;
1621 struct drm_mode_config *mode_config = &dev->mode_config;
1622 struct drm_vmw_rect bounding_box = {0};
1624 if (!arg->num_outputs) {
1625 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
1626 vmw_du_update_layout(dev_priv, 1, &def_rect);
1630 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
1631 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
1633 if (unlikely(!rects))
1636 user_rects = (void __user *)(unsigned long)arg->rects;
1637 ret = copy_from_user(rects, user_rects, rects_size);
1638 if (unlikely(ret != 0)) {
1639 DRM_ERROR("Failed to get rects.\n");
1644 for (i = 0; i < arg->num_outputs; ++i) {
1645 if (rects[i].x < 0 ||
1647 rects[i].x + rects[i].w > mode_config->max_width ||
1648 rects[i].y + rects[i].h > mode_config->max_height) {
1649 DRM_ERROR("Invalid GUI layout.\n");
1655 * bounding_box.w and bunding_box.h are used as
1656 * lower-right coordinates
1658 if (rects[i].x + rects[i].w > bounding_box.w)
1659 bounding_box.w = rects[i].x + rects[i].w;
1661 if (rects[i].y + rects[i].h > bounding_box.h)
1662 bounding_box.h = rects[i].y + rects[i].h;
1664 total_pixels += (u64) rects[i].w * (u64) rects[i].h;
1667 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1669 * For Screen Targets, the limits for a toplogy are:
1670 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
1671 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
1673 u64 bb_mem = bounding_box.w * bounding_box.h * 4;
1674 u64 pixel_mem = total_pixels * 4;
1676 if (bb_mem > dev_priv->prim_bb_mem) {
1677 DRM_ERROR("Topology is beyond supported limits.\n");
1682 if (pixel_mem > dev_priv->prim_bb_mem) {
1683 DRM_ERROR("Combined output size too large\n");
1689 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
1697 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
1698 * on a set of cliprects and a set of display units.
1700 * @dev_priv: Pointer to a device private structure.
1701 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
1702 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
1703 * Cliprects are given in framebuffer coordinates.
1704 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
1705 * be NULL. Cliprects are given in source coordinates.
1706 * @dest_x: X coordinate offset for the crtc / destination clip rects.
1707 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
1708 * @num_clips: Number of cliprects in the @clips or @vclips array.
1709 * @increment: Integer with which to increment the clip counter when looping.
1710 * Used to skip a predetermined number of clip rects.
1711 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
1713 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
1714 struct vmw_framebuffer *framebuffer,
1715 const struct drm_clip_rect *clips,
1716 const struct drm_vmw_rect *vclips,
1717 s32 dest_x, s32 dest_y,
1720 struct vmw_kms_dirty *dirty)
1722 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1723 struct drm_crtc *crtc;
1727 dirty->dev_priv = dev_priv;
1729 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1730 if (crtc->primary->fb != &framebuffer->base)
1732 units[num_units++] = vmw_crtc_to_du(crtc);
1735 for (k = 0; k < num_units; k++) {
1736 struct vmw_display_unit *unit = units[k];
1737 s32 crtc_x = unit->crtc.x;
1738 s32 crtc_y = unit->crtc.y;
1739 s32 crtc_width = unit->crtc.mode.hdisplay;
1740 s32 crtc_height = unit->crtc.mode.vdisplay;
1741 const struct drm_clip_rect *clips_ptr = clips;
1742 const struct drm_vmw_rect *vclips_ptr = vclips;
1745 if (dirty->fifo_reserve_size > 0) {
1746 dirty->cmd = vmw_fifo_reserve(dev_priv,
1747 dirty->fifo_reserve_size);
1749 DRM_ERROR("Couldn't reserve fifo space "
1750 "for dirty blits.\n");
1753 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
1755 dirty->num_hits = 0;
1756 for (i = 0; i < num_clips; i++, clips_ptr += increment,
1757 vclips_ptr += increment) {
1762 * Select clip array type. Note that integer type
1763 * in @clips is unsigned short, whereas in @vclips
1767 dirty->fb_x = (s32) clips_ptr->x1;
1768 dirty->fb_y = (s32) clips_ptr->y1;
1769 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
1771 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
1774 dirty->fb_x = vclips_ptr->x;
1775 dirty->fb_y = vclips_ptr->y;
1776 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
1778 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
1782 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
1783 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
1785 /* Skip this clip if it's outside the crtc region */
1786 if (dirty->unit_x1 >= crtc_width ||
1787 dirty->unit_y1 >= crtc_height ||
1788 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
1791 /* Clip right and bottom to crtc limits */
1792 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
1794 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
1797 /* Clip left and top to crtc limits */
1798 clip_left = min_t(s32, dirty->unit_x1, 0);
1799 clip_top = min_t(s32, dirty->unit_y1, 0);
1800 dirty->unit_x1 -= clip_left;
1801 dirty->unit_y1 -= clip_top;
1802 dirty->fb_x -= clip_left;
1803 dirty->fb_y -= clip_top;
1808 dirty->fifo_commit(dirty);
1815 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
1816 * command submission.
1818 * @dev_priv. Pointer to a device private structure.
1819 * @buf: The buffer object
1820 * @interruptible: Whether to perform waits as interruptible.
1821 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
1822 * The buffer will be validated as a GMR. Already pinned buffers will not be
1825 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
1826 * interrupted by a signal.
1828 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
1829 struct vmw_dma_buffer *buf,
1831 bool validate_as_mob)
1833 struct ttm_buffer_object *bo = &buf->base;
1836 ttm_bo_reserve(bo, false, false, interruptible, NULL);
1837 ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
1840 ttm_bo_unreserve(bo);
1846 * vmw_kms_helper_buffer_revert - Undo the actions of
1847 * vmw_kms_helper_buffer_prepare.
1849 * @res: Pointer to the buffer object.
1851 * Helper to be used if an error forces the caller to undo the actions of
1852 * vmw_kms_helper_buffer_prepare.
1854 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
1857 ttm_bo_unreserve(&buf->base);
1861 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
1862 * kms command submission.
1864 * @dev_priv: Pointer to a device private structure.
1865 * @file_priv: Pointer to a struct drm_file representing the caller's
1866 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
1867 * if non-NULL, @user_fence_rep must be non-NULL.
1868 * @buf: The buffer object.
1869 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1870 * ref-counted fence pointer is returned here.
1871 * @user_fence_rep: Optional pointer to a user-space provided struct
1872 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
1873 * function copies fence data to user-space in a fail-safe manner.
1875 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
1876 struct drm_file *file_priv,
1877 struct vmw_dma_buffer *buf,
1878 struct vmw_fence_obj **out_fence,
1879 struct drm_vmw_fence_rep __user *
1882 struct vmw_fence_obj *fence;
1886 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
1887 file_priv ? &handle : NULL);
1889 vmw_fence_single_bo(&buf->base, fence);
1891 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
1892 ret, user_fence_rep, fence,
1897 vmw_fence_obj_unreference(&fence);
1899 vmw_kms_helper_buffer_revert(buf);
1904 * vmw_kms_helper_resource_revert - Undo the actions of
1905 * vmw_kms_helper_resource_prepare.
1907 * @res: Pointer to the resource. Typically a surface.
1909 * Helper to be used if an error forces the caller to undo the actions of
1910 * vmw_kms_helper_resource_prepare.
1912 void vmw_kms_helper_resource_revert(struct vmw_validation_ctx *ctx)
1914 struct vmw_resource *res = ctx->res;
1916 vmw_kms_helper_buffer_revert(ctx->buf);
1917 vmw_dmabuf_unreference(&ctx->buf);
1918 vmw_resource_unreserve(res, false, NULL, 0);
1919 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1923 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
1924 * command submission.
1926 * @res: Pointer to the resource. Typically a surface.
1927 * @interruptible: Whether to perform waits as interruptible.
1929 * Reserves and validates also the backup buffer if a guest-backed resource.
1930 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
1931 * interrupted by a signal.
1933 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
1935 struct vmw_validation_ctx *ctx)
1943 ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
1945 mutex_lock(&res->dev_priv->cmdbuf_mutex);
1947 if (unlikely(ret != 0))
1948 return -ERESTARTSYS;
1950 ret = vmw_resource_reserve(res, interruptible, false);
1955 ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
1957 res->dev_priv->has_mob);
1961 ctx->buf = vmw_dmabuf_reference(res->backup);
1963 ret = vmw_resource_validate(res);
1969 vmw_kms_helper_buffer_revert(ctx->buf);
1971 vmw_resource_unreserve(res, false, NULL, 0);
1973 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1978 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
1979 * kms command submission.
1981 * @res: Pointer to the resource. Typically a surface.
1982 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1983 * ref-counted fence pointer is returned here.
1985 void vmw_kms_helper_resource_finish(struct vmw_validation_ctx *ctx,
1986 struct vmw_fence_obj **out_fence)
1988 struct vmw_resource *res = ctx->res;
1990 if (ctx->buf || out_fence)
1991 vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf,
1994 vmw_dmabuf_unreference(&ctx->buf);
1995 vmw_resource_unreserve(res, false, NULL, 0);
1996 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
2000 * vmw_kms_update_proxy - Helper function to update a proxy surface from
2003 * @res: Pointer to the surface resource
2004 * @clips: Clip rects in framebuffer (surface) space.
2005 * @num_clips: Number of clips in @clips.
2006 * @increment: Integer with which to increment the clip counter when looping.
2007 * Used to skip a predetermined number of clip rects.
2009 * This function makes sure the proxy surface is updated from its backing MOB
2010 * using the region given by @clips. The surface resource @res and its backing
2011 * MOB needs to be reserved and validated on call.
2013 int vmw_kms_update_proxy(struct vmw_resource *res,
2014 const struct drm_clip_rect *clips,
2018 struct vmw_private *dev_priv = res->dev_priv;
2019 struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
2021 SVGA3dCmdHeader header;
2022 SVGA3dCmdUpdateGBImage body;
2025 size_t copy_size = 0;
2031 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
2033 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2038 for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
2039 box = &cmd->body.box;
2041 cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
2042 cmd->header.size = sizeof(cmd->body);
2043 cmd->body.image.sid = res->id;
2044 cmd->body.image.face = 0;
2045 cmd->body.image.mipmap = 0;
2047 if (clips->x1 > size->width || clips->x2 > size->width ||
2048 clips->y1 > size->height || clips->y2 > size->height) {
2049 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2056 box->w = clips->x2 - clips->x1;
2057 box->h = clips->y2 - clips->y1;
2060 copy_size += sizeof(*cmd);
2063 vmw_fifo_commit(dev_priv, copy_size);
2068 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
2072 struct drm_connector **p_con,
2073 struct drm_crtc **p_crtc,
2074 struct drm_display_mode **p_mode)
2076 struct drm_connector *con;
2077 struct vmw_display_unit *du;
2078 struct drm_display_mode *mode;
2081 list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
2089 if (&con->head == &dev_priv->dev->mode_config.connector_list) {
2090 DRM_ERROR("Could not find initial display unit.\n");
2094 if (list_empty(&con->modes))
2095 (void) vmw_du_connector_fill_modes(con, max_width, max_height);
2097 if (list_empty(&con->modes)) {
2098 DRM_ERROR("Could not find initial display mode.\n");
2102 du = vmw_connector_to_du(con);
2104 *p_crtc = &du->crtc;
2106 list_for_each_entry(mode, &con->modes, head) {
2107 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2111 if (&mode->head == &con->modes) {
2112 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2113 *p_mode = list_first_entry(&con->modes,
2114 struct drm_display_mode,