1 /**************************************************************************
3 * Copyright © 2009 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"
31 /* Might need a hrtimer here? */
32 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
35 struct vmw_clip_rect {
40 * Clip @num_rects number of @rects against @clip storing the
41 * results in @out_rects and the number of passed rects in @out_num.
43 static void vmw_clip_cliprects(struct drm_clip_rect *rects,
45 struct vmw_clip_rect clip,
46 SVGASignedRect *out_rects,
51 for (i = 0, k = 0; i < num_rects; i++) {
52 int x1 = max_t(int, clip.x1, rects[i].x1);
53 int y1 = max_t(int, clip.y1, rects[i].y1);
54 int x2 = min_t(int, clip.x2, rects[i].x2);
55 int y2 = min_t(int, clip.y2, rects[i].y2);
62 out_rects[k].left = x1;
63 out_rects[k].top = y1;
64 out_rects[k].right = x2;
65 out_rects[k].bottom = y2;
72 void vmw_display_unit_cleanup(struct vmw_display_unit *du)
74 if (du->cursor_surface)
75 vmw_surface_unreference(&du->cursor_surface);
76 if (du->cursor_dmabuf)
77 vmw_dmabuf_unreference(&du->cursor_dmabuf);
78 drm_connector_unregister(&du->connector);
79 drm_crtc_cleanup(&du->crtc);
80 drm_encoder_cleanup(&du->encoder);
81 drm_connector_cleanup(&du->connector);
85 * Display Unit Cursor functions
88 int vmw_cursor_update_image(struct vmw_private *dev_priv,
89 u32 *image, u32 width, u32 height,
90 u32 hotspotX, u32 hotspotY)
94 SVGAFifoCmdDefineAlphaCursor cursor;
96 u32 image_size = width * height * 4;
97 u32 cmd_size = sizeof(*cmd) + image_size;
102 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
103 if (unlikely(cmd == NULL)) {
104 DRM_ERROR("Fifo reserve failed.\n");
108 memset(cmd, 0, sizeof(*cmd));
110 memcpy(&cmd[1], image, image_size);
112 cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
113 cmd->cursor.id = cpu_to_le32(0);
114 cmd->cursor.width = cpu_to_le32(width);
115 cmd->cursor.height = cpu_to_le32(height);
116 cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
117 cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
119 vmw_fifo_commit(dev_priv, cmd_size);
124 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
125 struct vmw_dma_buffer *dmabuf,
126 u32 width, u32 height,
127 u32 hotspotX, u32 hotspotY)
129 struct ttm_bo_kmap_obj map;
130 unsigned long kmap_offset;
131 unsigned long kmap_num;
137 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
139 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL);
140 if (unlikely(ret != 0)) {
141 DRM_ERROR("reserve failed\n");
145 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
146 if (unlikely(ret != 0))
149 virtual = ttm_kmap_obj_virtual(&map, &dummy);
150 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
155 ttm_bo_unreserve(&dmabuf->base);
161 void vmw_cursor_update_position(struct vmw_private *dev_priv,
162 bool show, int x, int y)
164 __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
167 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
168 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
169 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
170 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
171 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
174 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
175 uint32_t handle, uint32_t width, uint32_t height)
177 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
178 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
179 struct vmw_surface *surface = NULL;
180 struct vmw_dma_buffer *dmabuf = NULL;
184 * FIXME: Unclear whether there's any global state touched by the
185 * cursor_set function, especially vmw_cursor_update_position looks
186 * suspicious. For now take the easy route and reacquire all locks. We
187 * can do this since the caller in the drm core doesn't check anything
188 * which is protected by any looks.
190 drm_modeset_unlock_crtc(crtc);
191 drm_modeset_lock_all(dev_priv->dev);
193 /* A lot of the code assumes this */
194 if (handle && (width != 64 || height != 64)) {
200 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
202 ret = vmw_user_lookup_handle(dev_priv, tfile,
203 handle, &surface, &dmabuf);
205 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
211 /* need to do this before taking down old image */
212 if (surface && !surface->snooper.image) {
213 DRM_ERROR("surface not suitable for cursor\n");
214 vmw_surface_unreference(&surface);
219 /* takedown old cursor */
220 if (du->cursor_surface) {
221 du->cursor_surface->snooper.crtc = NULL;
222 vmw_surface_unreference(&du->cursor_surface);
224 if (du->cursor_dmabuf)
225 vmw_dmabuf_unreference(&du->cursor_dmabuf);
227 /* setup new image */
229 /* vmw_user_surface_lookup takes one reference */
230 du->cursor_surface = surface;
232 du->cursor_surface->snooper.crtc = crtc;
233 du->cursor_age = du->cursor_surface->snooper.age;
234 vmw_cursor_update_image(dev_priv, surface->snooper.image,
235 64, 64, du->hotspot_x, du->hotspot_y);
237 /* vmw_user_surface_lookup takes one reference */
238 du->cursor_dmabuf = dmabuf;
240 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
241 du->hotspot_x, du->hotspot_y);
243 vmw_cursor_update_position(dev_priv, false, 0, 0);
248 vmw_cursor_update_position(dev_priv, true,
249 du->cursor_x + du->hotspot_x,
250 du->cursor_y + du->hotspot_y);
254 drm_modeset_unlock_all(dev_priv->dev);
255 drm_modeset_lock_crtc(crtc, crtc->cursor);
260 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
262 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
263 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
264 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
266 du->cursor_x = x + crtc->x;
267 du->cursor_y = y + crtc->y;
270 * FIXME: Unclear whether there's any global state touched by the
271 * cursor_set function, especially vmw_cursor_update_position looks
272 * suspicious. For now take the easy route and reacquire all locks. We
273 * can do this since the caller in the drm core doesn't check anything
274 * which is protected by any looks.
276 drm_modeset_unlock_crtc(crtc);
277 drm_modeset_lock_all(dev_priv->dev);
279 vmw_cursor_update_position(dev_priv, shown,
280 du->cursor_x + du->hotspot_x,
281 du->cursor_y + du->hotspot_y);
283 drm_modeset_unlock_all(dev_priv->dev);
284 drm_modeset_lock_crtc(crtc, crtc->cursor);
289 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
290 struct ttm_object_file *tfile,
291 struct ttm_buffer_object *bo,
292 SVGA3dCmdHeader *header)
294 struct ttm_bo_kmap_obj map;
295 unsigned long kmap_offset;
296 unsigned long kmap_num;
302 SVGA3dCmdHeader header;
303 SVGA3dCmdSurfaceDMA dma;
307 cmd = container_of(header, struct vmw_dma_cmd, header);
309 /* No snooper installed */
310 if (!srf->snooper.image)
313 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
314 DRM_ERROR("face and mipmap for cursors should never != 0\n");
318 if (cmd->header.size < 64) {
319 DRM_ERROR("at least one full copy box must be given\n");
323 box = (SVGA3dCopyBox *)&cmd[1];
324 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
325 sizeof(SVGA3dCopyBox);
327 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
328 box->x != 0 || box->y != 0 || box->z != 0 ||
329 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
330 box->d != 1 || box_count != 1) {
331 /* TODO handle none page aligned offsets */
332 /* TODO handle more dst & src != 0 */
333 /* TODO handle more then one copy */
334 DRM_ERROR("Cant snoop dma request for cursor!\n");
335 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
336 box->srcx, box->srcy, box->srcz,
337 box->x, box->y, box->z,
338 box->w, box->h, box->d, box_count,
339 cmd->dma.guest.ptr.offset);
343 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
344 kmap_num = (64*64*4) >> PAGE_SHIFT;
346 ret = ttm_bo_reserve(bo, true, false, false, NULL);
347 if (unlikely(ret != 0)) {
348 DRM_ERROR("reserve failed\n");
352 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
353 if (unlikely(ret != 0))
356 virtual = ttm_kmap_obj_virtual(&map, &dummy);
358 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
359 memcpy(srf->snooper.image, virtual, 64*64*4);
361 /* Image is unsigned pointer. */
362 for (i = 0; i < box->h; i++)
363 memcpy(srf->snooper.image + i * 64,
364 virtual + i * cmd->dma.guest.pitch,
370 /* we can't call this function from this function since execbuf has
371 * reserved fifo space.
373 * if (srf->snooper.crtc)
374 * vmw_ldu_crtc_cursor_update_image(dev_priv,
375 * srf->snooper.image, 64, 64,
376 * du->hotspot_x, du->hotspot_y);
381 ttm_bo_unreserve(bo);
384 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
386 struct drm_device *dev = dev_priv->dev;
387 struct vmw_display_unit *du;
388 struct drm_crtc *crtc;
390 mutex_lock(&dev->mode_config.mutex);
392 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
393 du = vmw_crtc_to_du(crtc);
394 if (!du->cursor_surface ||
395 du->cursor_age == du->cursor_surface->snooper.age)
398 du->cursor_age = du->cursor_surface->snooper.age;
399 vmw_cursor_update_image(dev_priv,
400 du->cursor_surface->snooper.image,
401 64, 64, du->hotspot_x, du->hotspot_y);
404 mutex_unlock(&dev->mode_config.mutex);
408 * Generic framebuffer code
412 * Surface framebuffer code
415 #define vmw_framebuffer_to_vfbs(x) \
416 container_of(x, struct vmw_framebuffer_surface, base.base)
418 struct vmw_framebuffer_surface {
419 struct vmw_framebuffer base;
420 struct vmw_surface *surface;
421 struct vmw_dma_buffer *buffer;
422 struct list_head head;
423 struct drm_master *master;
426 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
428 struct vmw_framebuffer_surface *vfbs =
429 vmw_framebuffer_to_vfbs(framebuffer);
430 struct vmw_master *vmaster = vmw_master(vfbs->master);
433 mutex_lock(&vmaster->fb_surf_mutex);
434 list_del(&vfbs->head);
435 mutex_unlock(&vmaster->fb_surf_mutex);
437 drm_master_put(&vfbs->master);
438 drm_framebuffer_cleanup(framebuffer);
439 vmw_surface_unreference(&vfbs->surface);
440 ttm_base_object_unref(&vfbs->base.user_obj);
445 static int do_surface_dirty_sou(struct vmw_private *dev_priv,
446 struct drm_file *file_priv,
447 struct vmw_framebuffer *framebuffer,
448 unsigned flags, unsigned color,
449 struct drm_clip_rect *clips,
450 unsigned num_clips, int inc,
451 struct vmw_fence_obj **out_fence)
453 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
454 struct drm_clip_rect *clips_ptr;
455 struct drm_clip_rect *tmp;
456 struct drm_crtc *crtc;
459 int ret = 0; /* silence warning */
460 int left, right, top, bottom;
463 SVGA3dCmdHeader header;
464 SVGA3dCmdBlitSurfaceToScreen body;
466 SVGASignedRect *blits;
469 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
471 if (crtc->primary->fb != &framebuffer->base)
473 units[num_units++] = vmw_crtc_to_du(crtc);
476 BUG_ON(!clips || !num_clips);
478 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
479 if (unlikely(tmp == NULL)) {
480 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
484 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
485 cmd = kzalloc(fifo_size, GFP_KERNEL);
486 if (unlikely(cmd == NULL)) {
487 DRM_ERROR("Temporary fifo memory alloc failed.\n");
492 /* setup blits pointer */
493 blits = (SVGASignedRect *)&cmd[1];
495 /* initial clip region */
501 /* skip the first clip rect */
502 for (i = 1, clips_ptr = clips + inc;
503 i < num_clips; i++, clips_ptr += inc) {
504 left = min_t(int, left, (int)clips_ptr->x1);
505 right = max_t(int, right, (int)clips_ptr->x2);
506 top = min_t(int, top, (int)clips_ptr->y1);
507 bottom = max_t(int, bottom, (int)clips_ptr->y2);
510 /* only need to do this once */
511 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
512 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
514 cmd->body.srcRect.left = left;
515 cmd->body.srcRect.right = right;
516 cmd->body.srcRect.top = top;
517 cmd->body.srcRect.bottom = bottom;
520 for (i = 0; i < num_clips; i++, clips_ptr += inc) {
521 tmp[i].x1 = clips_ptr->x1 - left;
522 tmp[i].x2 = clips_ptr->x2 - left;
523 tmp[i].y1 = clips_ptr->y1 - top;
524 tmp[i].y2 = clips_ptr->y2 - top;
527 /* do per unit writing, reuse fifo for each */
528 for (i = 0; i < num_units; i++) {
529 struct vmw_display_unit *unit = units[i];
530 struct vmw_clip_rect clip;
533 clip.x1 = left - unit->crtc.x;
534 clip.y1 = top - unit->crtc.y;
535 clip.x2 = right - unit->crtc.x;
536 clip.y2 = bottom - unit->crtc.y;
538 /* skip any crtcs that misses the clip region */
539 if (clip.x1 >= unit->crtc.mode.hdisplay ||
540 clip.y1 >= unit->crtc.mode.vdisplay ||
541 clip.x2 <= 0 || clip.y2 <= 0)
545 * In order for the clip rects to be correctly scaled
546 * the src and dest rects needs to be the same size.
548 cmd->body.destRect.left = clip.x1;
549 cmd->body.destRect.right = clip.x2;
550 cmd->body.destRect.top = clip.y1;
551 cmd->body.destRect.bottom = clip.y2;
553 /* create a clip rect of the crtc in dest coords */
554 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
555 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
556 clip.x1 = 0 - clip.x1;
557 clip.y1 = 0 - clip.y1;
559 /* need to reset sid as it is changed by execbuf */
560 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
561 cmd->body.destScreenId = unit->unit;
563 /* clip and write blits to cmd stream */
564 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
566 /* if no cliprects hit skip this */
570 /* only return the last fence */
571 if (out_fence && *out_fence)
572 vmw_fence_obj_unreference(out_fence);
574 /* recalculate package length */
575 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
576 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
577 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
578 fifo_size, 0, NULL, out_fence);
580 if (unlikely(ret != 0))
592 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
593 struct drm_file *file_priv,
594 unsigned flags, unsigned color,
595 struct drm_clip_rect *clips,
598 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
599 struct vmw_framebuffer_surface *vfbs =
600 vmw_framebuffer_to_vfbs(framebuffer);
601 struct drm_clip_rect norect;
604 if (unlikely(vfbs->master != file_priv->master))
607 /* Require ScreenObject support for 3D */
608 if (!dev_priv->sou_priv)
611 drm_modeset_lock_all(dev_priv->dev);
613 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
614 if (unlikely(ret != 0)) {
615 drm_modeset_unlock_all(dev_priv->dev);
622 norect.x1 = norect.y1 = 0;
623 norect.x2 = framebuffer->width;
624 norect.y2 = framebuffer->height;
625 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
627 inc = 2; /* skip source rects */
630 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
632 clips, num_clips, inc, NULL);
634 ttm_read_unlock(&dev_priv->reservation_sem);
636 drm_modeset_unlock_all(dev_priv->dev);
641 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
642 .destroy = vmw_framebuffer_surface_destroy,
643 .dirty = vmw_framebuffer_surface_dirty,
646 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
647 struct drm_file *file_priv,
648 struct vmw_surface *surface,
649 struct vmw_framebuffer **out,
650 const struct drm_mode_fb_cmd
654 struct drm_device *dev = dev_priv->dev;
655 struct vmw_framebuffer_surface *vfbs;
656 enum SVGA3dSurfaceFormat format;
657 struct vmw_master *vmaster = vmw_master(file_priv->master);
660 /* 3D is only supported on HWv8 hosts which supports screen objects */
661 if (!dev_priv->sou_priv)
668 /* Surface must be marked as a scanout. */
669 if (unlikely(!surface->scanout))
672 if (unlikely(surface->mip_levels[0] != 1 ||
673 surface->num_sizes != 1 ||
674 surface->base_size.width < mode_cmd->width ||
675 surface->base_size.height < mode_cmd->height ||
676 surface->base_size.depth != 1)) {
677 DRM_ERROR("Incompatible surface dimensions "
678 "for requested mode.\n");
682 switch (mode_cmd->depth) {
684 format = SVGA3D_A8R8G8B8;
687 format = SVGA3D_X8R8G8B8;
690 format = SVGA3D_R5G6B5;
693 format = SVGA3D_A1R5G5B5;
696 format = SVGA3D_LUMINANCE8;
699 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
703 if (unlikely(format != surface->format)) {
704 DRM_ERROR("Invalid surface format for requested mode.\n");
708 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
714 if (!vmw_surface_reference(surface)) {
715 DRM_ERROR("failed to reference surface %p\n", surface);
720 /* XXX get the first 3 from the surface info */
721 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
722 vfbs->base.base.pitches[0] = mode_cmd->pitch;
723 vfbs->base.base.depth = mode_cmd->depth;
724 vfbs->base.base.width = mode_cmd->width;
725 vfbs->base.base.height = mode_cmd->height;
726 vfbs->surface = surface;
727 vfbs->base.user_handle = mode_cmd->handle;
728 vfbs->master = drm_master_get(file_priv->master);
730 mutex_lock(&vmaster->fb_surf_mutex);
731 list_add_tail(&vfbs->head, &vmaster->fb_surf);
732 mutex_unlock(&vmaster->fb_surf_mutex);
736 ret = drm_framebuffer_init(dev, &vfbs->base.base,
737 &vmw_framebuffer_surface_funcs);
744 vmw_surface_unreference(&surface);
752 * Dmabuf framebuffer code
755 #define vmw_framebuffer_to_vfbd(x) \
756 container_of(x, struct vmw_framebuffer_dmabuf, base.base)
758 struct vmw_framebuffer_dmabuf {
759 struct vmw_framebuffer base;
760 struct vmw_dma_buffer *buffer;
763 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
765 struct vmw_framebuffer_dmabuf *vfbd =
766 vmw_framebuffer_to_vfbd(framebuffer);
768 drm_framebuffer_cleanup(framebuffer);
769 vmw_dmabuf_unreference(&vfbd->buffer);
770 ttm_base_object_unref(&vfbd->base.user_obj);
775 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
776 struct vmw_framebuffer *framebuffer,
777 unsigned flags, unsigned color,
778 struct drm_clip_rect *clips,
779 unsigned num_clips, int increment)
786 SVGAFifoCmdUpdate body;
789 fifo_size = sizeof(*cmd) * num_clips;
790 cmd = vmw_fifo_reserve(dev_priv, fifo_size);
791 if (unlikely(cmd == NULL)) {
792 DRM_ERROR("Fifo reserve failed.\n");
796 memset(cmd, 0, fifo_size);
797 for (i = 0; i < num_clips; i++, clips += increment) {
798 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
799 cmd[i].body.x = cpu_to_le32(clips->x1);
800 cmd[i].body.y = cpu_to_le32(clips->y1);
801 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
802 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
805 vmw_fifo_commit(dev_priv, fifo_size);
809 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
810 struct vmw_private *dev_priv,
811 struct vmw_framebuffer *framebuffer)
813 int depth = framebuffer->base.depth;
819 SVGAFifoCmdDefineGMRFB body;
822 /* Emulate RGBA support, contrary to svga_reg.h this is not
823 * supported by hosts. This is only a problem if we are reading
824 * this value later and expecting what we uploaded back.
829 fifo_size = sizeof(*cmd);
830 cmd = kmalloc(fifo_size, GFP_KERNEL);
831 if (unlikely(cmd == NULL)) {
832 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
836 memset(cmd, 0, fifo_size);
837 cmd->header = SVGA_CMD_DEFINE_GMRFB;
838 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
839 cmd->body.format.colorDepth = depth;
840 cmd->body.format.reserved = 0;
841 cmd->body.bytesPerLine = framebuffer->base.pitches[0];
842 cmd->body.ptr.gmrId = framebuffer->user_handle;
843 cmd->body.ptr.offset = 0;
845 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
846 fifo_size, 0, NULL, NULL);
853 static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
854 struct vmw_private *dev_priv,
855 struct vmw_framebuffer *framebuffer,
856 unsigned flags, unsigned color,
857 struct drm_clip_rect *clips,
858 unsigned num_clips, int increment,
859 struct vmw_fence_obj **out_fence)
861 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
862 struct drm_clip_rect *clips_ptr;
863 int i, k, num_units, ret;
864 struct drm_crtc *crtc;
869 SVGAFifoCmdBlitGMRFBToScreen body;
872 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
873 if (unlikely(ret != 0))
874 return ret; /* define_gmrfb prints warnings */
876 fifo_size = sizeof(*blits) * num_clips;
877 blits = kmalloc(fifo_size, GFP_KERNEL);
878 if (unlikely(blits == NULL)) {
879 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
884 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
885 if (crtc->primary->fb != &framebuffer->base)
887 units[num_units++] = vmw_crtc_to_du(crtc);
890 for (k = 0; k < num_units; k++) {
891 struct vmw_display_unit *unit = units[k];
895 for (i = 0; i < num_clips; i++, clips_ptr += increment) {
896 int clip_x1 = clips_ptr->x1 - unit->crtc.x;
897 int clip_y1 = clips_ptr->y1 - unit->crtc.y;
898 int clip_x2 = clips_ptr->x2 - unit->crtc.x;
899 int clip_y2 = clips_ptr->y2 - unit->crtc.y;
902 /* skip any crtcs that misses the clip region */
903 if (clip_x1 >= unit->crtc.mode.hdisplay ||
904 clip_y1 >= unit->crtc.mode.vdisplay ||
905 clip_x2 <= 0 || clip_y2 <= 0)
908 /* clip size to crtc size */
909 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
910 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
912 /* translate both src and dest to bring clip into screen */
913 move_x = min_t(int, clip_x1, 0);
914 move_y = min_t(int, clip_y1, 0);
916 /* actual translate done here */
917 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
918 blits[hit_num].body.destScreenId = unit->unit;
919 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
920 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
921 blits[hit_num].body.destRect.left = clip_x1 - move_x;
922 blits[hit_num].body.destRect.top = clip_y1 - move_y;
923 blits[hit_num].body.destRect.right = clip_x2;
924 blits[hit_num].body.destRect.bottom = clip_y2;
928 /* no clips hit the crtc */
932 /* only return the last fence */
933 if (out_fence && *out_fence)
934 vmw_fence_obj_unreference(out_fence);
936 fifo_size = sizeof(*blits) * hit_num;
937 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
938 fifo_size, 0, NULL, out_fence);
940 if (unlikely(ret != 0))
949 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
950 struct drm_file *file_priv,
951 unsigned flags, unsigned color,
952 struct drm_clip_rect *clips,
955 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
956 struct vmw_framebuffer_dmabuf *vfbd =
957 vmw_framebuffer_to_vfbd(framebuffer);
958 struct drm_clip_rect norect;
959 int ret, increment = 1;
961 drm_modeset_lock_all(dev_priv->dev);
963 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
964 if (unlikely(ret != 0)) {
965 drm_modeset_unlock_all(dev_priv->dev);
972 norect.x1 = norect.y1 = 0;
973 norect.x2 = framebuffer->width;
974 norect.y2 = framebuffer->height;
975 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
980 if (dev_priv->ldu_priv) {
981 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
983 clips, num_clips, increment);
985 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
987 clips, num_clips, increment, NULL);
990 ttm_read_unlock(&dev_priv->reservation_sem);
992 drm_modeset_unlock_all(dev_priv->dev);
997 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
998 .destroy = vmw_framebuffer_dmabuf_destroy,
999 .dirty = vmw_framebuffer_dmabuf_dirty,
1003 * Pin the dmabuffer to the start of vram.
1005 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
1007 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1008 struct vmw_framebuffer_dmabuf *vfbd =
1009 vmw_framebuffer_to_vfbd(&vfb->base);
1012 /* This code should not be used with screen objects */
1013 BUG_ON(dev_priv->sou_priv);
1015 vmw_overlay_pause_all(dev_priv);
1017 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
1019 vmw_overlay_resume_all(dev_priv);
1026 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
1028 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1029 struct vmw_framebuffer_dmabuf *vfbd =
1030 vmw_framebuffer_to_vfbd(&vfb->base);
1032 if (!vfbd->buffer) {
1033 WARN_ON(!vfbd->buffer);
1037 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
1040 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
1041 struct vmw_dma_buffer *dmabuf,
1042 struct vmw_framebuffer **out,
1043 const struct drm_mode_fb_cmd
1047 struct drm_device *dev = dev_priv->dev;
1048 struct vmw_framebuffer_dmabuf *vfbd;
1049 unsigned int requested_size;
1052 requested_size = mode_cmd->height * mode_cmd->pitch;
1053 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
1054 DRM_ERROR("Screen buffer object size is too small "
1055 "for requested mode.\n");
1059 /* Limited framebuffer color depth support for screen objects */
1060 if (dev_priv->sou_priv) {
1061 switch (mode_cmd->depth) {
1064 /* Only support 32 bpp for 32 and 24 depth fbs */
1065 if (mode_cmd->bpp == 32)
1068 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1069 mode_cmd->depth, mode_cmd->bpp);
1073 /* Only support 16 bpp for 16 and 15 depth fbs */
1074 if (mode_cmd->bpp == 16)
1077 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1078 mode_cmd->depth, mode_cmd->bpp);
1081 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
1086 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1092 if (!vmw_dmabuf_reference(dmabuf)) {
1093 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
1098 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
1099 vfbd->base.base.pitches[0] = mode_cmd->pitch;
1100 vfbd->base.base.depth = mode_cmd->depth;
1101 vfbd->base.base.width = mode_cmd->width;
1102 vfbd->base.base.height = mode_cmd->height;
1103 if (!dev_priv->sou_priv) {
1104 vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
1105 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
1107 vfbd->base.dmabuf = true;
1108 vfbd->buffer = dmabuf;
1109 vfbd->base.user_handle = mode_cmd->handle;
1112 ret = drm_framebuffer_init(dev, &vfbd->base.base,
1113 &vmw_framebuffer_dmabuf_funcs);
1120 vmw_dmabuf_unreference(&dmabuf);
1128 * Generic Kernel modesetting functions
1131 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1132 struct drm_file *file_priv,
1133 struct drm_mode_fb_cmd2 *mode_cmd2)
1135 struct vmw_private *dev_priv = vmw_priv(dev);
1136 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
1137 struct vmw_framebuffer *vfb = NULL;
1138 struct vmw_surface *surface = NULL;
1139 struct vmw_dma_buffer *bo = NULL;
1140 struct ttm_base_object *user_obj;
1141 struct drm_mode_fb_cmd mode_cmd;
1144 mode_cmd.width = mode_cmd2->width;
1145 mode_cmd.height = mode_cmd2->height;
1146 mode_cmd.pitch = mode_cmd2->pitches[0];
1147 mode_cmd.handle = mode_cmd2->handles[0];
1148 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
1152 * This code should be conditioned on Screen Objects not being used.
1153 * If screen objects are used, we can allocate a GMR to hold the
1154 * requested framebuffer.
1157 if (!vmw_kms_validate_mode_vram(dev_priv,
1160 DRM_ERROR("VRAM size is too small for requested mode.\n");
1161 return ERR_PTR(-ENOMEM);
1165 * Take a reference on the user object of the resource
1166 * backing the kms fb. This ensures that user-space handle
1167 * lookups on that resource will always work as long as
1168 * it's registered with a kms framebuffer. This is important,
1169 * since vmw_execbuf_process identifies resources in the
1170 * command stream using user-space handles.
1173 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1174 if (unlikely(user_obj == NULL)) {
1175 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1176 return ERR_PTR(-ENOENT);
1180 * End conditioned code.
1183 /* returns either a dmabuf or surface */
1184 ret = vmw_user_lookup_handle(dev_priv, tfile,
1190 /* Create the new framebuffer depending one what we got back */
1192 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
1195 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
1196 surface, &vfb, &mode_cmd);
1201 /* vmw_user_lookup_handle takes one ref so does new_fb */
1203 vmw_dmabuf_unreference(&bo);
1205 vmw_surface_unreference(&surface);
1208 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1209 ttm_base_object_unref(&user_obj);
1210 return ERR_PTR(ret);
1212 vfb->user_obj = user_obj;
1217 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1218 .fb_create = vmw_kms_fb_create,
1221 int vmw_kms_present(struct vmw_private *dev_priv,
1222 struct drm_file *file_priv,
1223 struct vmw_framebuffer *vfb,
1224 struct vmw_surface *surface,
1226 int32_t destX, int32_t destY,
1227 struct drm_vmw_rect *clips,
1230 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1231 struct drm_clip_rect *tmp;
1232 struct drm_crtc *crtc;
1234 int i, k, num_units;
1235 int ret = 0; /* silence warning */
1236 int left, right, top, bottom;
1239 SVGA3dCmdHeader header;
1240 SVGA3dCmdBlitSurfaceToScreen body;
1242 SVGASignedRect *blits;
1245 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1246 if (crtc->primary->fb != &vfb->base)
1248 units[num_units++] = vmw_crtc_to_du(crtc);
1251 BUG_ON(surface == NULL);
1252 BUG_ON(!clips || !num_clips);
1254 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
1255 if (unlikely(tmp == NULL)) {
1256 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
1260 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
1261 cmd = kmalloc(fifo_size, GFP_KERNEL);
1262 if (unlikely(cmd == NULL)) {
1263 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1269 right = clips->x + clips->w;
1271 bottom = clips->y + clips->h;
1273 for (i = 1; i < num_clips; i++) {
1274 left = min_t(int, left, (int)clips[i].x);
1275 right = max_t(int, right, (int)clips[i].x + clips[i].w);
1276 top = min_t(int, top, (int)clips[i].y);
1277 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
1280 /* only need to do this once */
1281 memset(cmd, 0, fifo_size);
1282 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
1284 blits = (SVGASignedRect *)&cmd[1];
1286 cmd->body.srcRect.left = left;
1287 cmd->body.srcRect.right = right;
1288 cmd->body.srcRect.top = top;
1289 cmd->body.srcRect.bottom = bottom;
1291 for (i = 0; i < num_clips; i++) {
1292 tmp[i].x1 = clips[i].x - left;
1293 tmp[i].x2 = clips[i].x + clips[i].w - left;
1294 tmp[i].y1 = clips[i].y - top;
1295 tmp[i].y2 = clips[i].y + clips[i].h - top;
1298 for (k = 0; k < num_units; k++) {
1299 struct vmw_display_unit *unit = units[k];
1300 struct vmw_clip_rect clip;
1303 clip.x1 = left + destX - unit->crtc.x;
1304 clip.y1 = top + destY - unit->crtc.y;
1305 clip.x2 = right + destX - unit->crtc.x;
1306 clip.y2 = bottom + destY - unit->crtc.y;
1308 /* skip any crtcs that misses the clip region */
1309 if (clip.x1 >= unit->crtc.mode.hdisplay ||
1310 clip.y1 >= unit->crtc.mode.vdisplay ||
1311 clip.x2 <= 0 || clip.y2 <= 0)
1315 * In order for the clip rects to be correctly scaled
1316 * the src and dest rects needs to be the same size.
1318 cmd->body.destRect.left = clip.x1;
1319 cmd->body.destRect.right = clip.x2;
1320 cmd->body.destRect.top = clip.y1;
1321 cmd->body.destRect.bottom = clip.y2;
1323 /* create a clip rect of the crtc in dest coords */
1324 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
1325 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
1326 clip.x1 = 0 - clip.x1;
1327 clip.y1 = 0 - clip.y1;
1329 /* need to reset sid as it is changed by execbuf */
1330 cmd->body.srcImage.sid = sid;
1331 cmd->body.destScreenId = unit->unit;
1333 /* clip and write blits to cmd stream */
1334 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
1336 /* if no cliprects hit skip this */
1340 /* recalculate package length */
1341 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
1342 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
1343 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
1344 fifo_size, 0, NULL, NULL);
1346 if (unlikely(ret != 0))
1357 int vmw_kms_readback(struct vmw_private *dev_priv,
1358 struct drm_file *file_priv,
1359 struct vmw_framebuffer *vfb,
1360 struct drm_vmw_fence_rep __user *user_fence_rep,
1361 struct drm_vmw_rect *clips,
1364 struct vmw_framebuffer_dmabuf *vfbd =
1365 vmw_framebuffer_to_vfbd(&vfb->base);
1366 struct vmw_dma_buffer *dmabuf = vfbd->buffer;
1367 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1368 struct drm_crtc *crtc;
1370 int i, k, ret, num_units, blits_pos;
1374 SVGAFifoCmdDefineGMRFB body;
1378 SVGAFifoCmdBlitScreenToGMRFB body;
1382 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1383 if (crtc->primary->fb != &vfb->base)
1385 units[num_units++] = vmw_crtc_to_du(crtc);
1388 BUG_ON(dmabuf == NULL);
1389 BUG_ON(!clips || !num_clips);
1391 /* take a safe guess at fifo size */
1392 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
1393 cmd = kmalloc(fifo_size, GFP_KERNEL);
1394 if (unlikely(cmd == NULL)) {
1395 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1399 memset(cmd, 0, fifo_size);
1400 cmd->header = SVGA_CMD_DEFINE_GMRFB;
1401 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
1402 cmd->body.format.colorDepth = vfb->base.depth;
1403 cmd->body.format.reserved = 0;
1404 cmd->body.bytesPerLine = vfb->base.pitches[0];
1405 cmd->body.ptr.gmrId = vfb->user_handle;
1406 cmd->body.ptr.offset = 0;
1408 blits = (void *)&cmd[1];
1410 for (i = 0; i < num_units; i++) {
1411 struct drm_vmw_rect *c = clips;
1412 for (k = 0; k < num_clips; k++, c++) {
1413 /* transform clip coords to crtc origin based coords */
1414 int clip_x1 = c->x - units[i]->crtc.x;
1415 int clip_x2 = c->x - units[i]->crtc.x + c->w;
1416 int clip_y1 = c->y - units[i]->crtc.y;
1417 int clip_y2 = c->y - units[i]->crtc.y + c->h;
1421 /* compensate for clipping, we negate
1422 * a negative number and add that.
1430 clip_x1 = max(clip_x1, 0);
1431 clip_y1 = max(clip_y1, 0);
1432 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
1433 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
1435 /* and cull any rects that misses the crtc */
1436 if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
1437 clip_y1 >= units[i]->crtc.mode.vdisplay ||
1438 clip_x2 <= 0 || clip_y2 <= 0)
1441 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
1442 blits[blits_pos].body.srcScreenId = units[i]->unit;
1443 blits[blits_pos].body.destOrigin.x = dest_x;
1444 blits[blits_pos].body.destOrigin.y = dest_y;
1446 blits[blits_pos].body.srcRect.left = clip_x1;
1447 blits[blits_pos].body.srcRect.top = clip_y1;
1448 blits[blits_pos].body.srcRect.right = clip_x2;
1449 blits[blits_pos].body.srcRect.bottom = clip_y2;
1453 /* reset size here and use calculated exact size from loops */
1454 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
1456 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
1457 0, user_fence_rep, NULL);
1464 int vmw_kms_init(struct vmw_private *dev_priv)
1466 struct drm_device *dev = dev_priv->dev;
1469 drm_mode_config_init(dev);
1470 dev->mode_config.funcs = &vmw_kms_funcs;
1471 dev->mode_config.min_width = 1;
1472 dev->mode_config.min_height = 1;
1473 /* assumed largest fb size */
1474 dev->mode_config.max_width = 8192;
1475 dev->mode_config.max_height = 8192;
1477 ret = vmw_kms_init_screen_object_display(dev_priv);
1478 if (ret) /* Fallback */
1479 (void)vmw_kms_init_legacy_display_system(dev_priv);
1484 int vmw_kms_close(struct vmw_private *dev_priv)
1487 * Docs says we should take the lock before calling this function
1488 * but since it destroys encoders and our destructor calls
1489 * drm_encoder_cleanup which takes the lock we deadlock.
1491 drm_mode_config_cleanup(dev_priv->dev);
1492 if (dev_priv->sou_priv)
1493 vmw_kms_close_screen_object_display(dev_priv);
1495 vmw_kms_close_legacy_display_system(dev_priv);
1499 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1500 struct drm_file *file_priv)
1502 struct drm_vmw_cursor_bypass_arg *arg = data;
1503 struct vmw_display_unit *du;
1504 struct drm_crtc *crtc;
1508 mutex_lock(&dev->mode_config.mutex);
1509 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1511 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1512 du = vmw_crtc_to_du(crtc);
1513 du->hotspot_x = arg->xhot;
1514 du->hotspot_y = arg->yhot;
1517 mutex_unlock(&dev->mode_config.mutex);
1521 crtc = drm_crtc_find(dev, arg->crtc_id);
1527 du = vmw_crtc_to_du(crtc);
1529 du->hotspot_x = arg->xhot;
1530 du->hotspot_y = arg->yhot;
1533 mutex_unlock(&dev->mode_config.mutex);
1538 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1539 unsigned width, unsigned height, unsigned pitch,
1540 unsigned bpp, unsigned depth)
1542 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1543 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1544 else if (vmw_fifo_have_pitchlock(vmw_priv))
1545 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1546 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1547 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1548 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1550 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1551 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1552 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1559 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1561 struct vmw_vga_topology_state *save;
1564 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1565 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1566 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1567 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1568 vmw_priv->vga_pitchlock =
1569 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1570 else if (vmw_fifo_have_pitchlock(vmw_priv))
1571 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
1572 SVGA_FIFO_PITCHLOCK);
1574 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1577 vmw_priv->num_displays = vmw_read(vmw_priv,
1578 SVGA_REG_NUM_GUEST_DISPLAYS);
1580 if (vmw_priv->num_displays == 0)
1581 vmw_priv->num_displays = 1;
1583 for (i = 0; i < vmw_priv->num_displays; ++i) {
1584 save = &vmw_priv->vga_save[i];
1585 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1586 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1587 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1588 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1589 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1590 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1591 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1592 if (i == 0 && vmw_priv->num_displays == 1 &&
1593 save->width == 0 && save->height == 0) {
1596 * It should be fairly safe to assume that these
1597 * values are uninitialized.
1600 save->width = vmw_priv->vga_width - save->pos_x;
1601 save->height = vmw_priv->vga_height - save->pos_y;
1608 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1610 struct vmw_vga_topology_state *save;
1613 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1614 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1615 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1616 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1617 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1618 vmw_priv->vga_pitchlock);
1619 else if (vmw_fifo_have_pitchlock(vmw_priv))
1620 iowrite32(vmw_priv->vga_pitchlock,
1621 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1623 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1626 for (i = 0; i < vmw_priv->num_displays; ++i) {
1627 save = &vmw_priv->vga_save[i];
1628 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1629 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1630 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1631 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1632 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1633 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1634 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1640 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1644 return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem;
1649 * Function called by DRM code called with vbl_lock held.
1651 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
1657 * Function called by DRM code called with vbl_lock held.
1659 int vmw_enable_vblank(struct drm_device *dev, int crtc)
1665 * Function called by DRM code called with vbl_lock held.
1667 void vmw_disable_vblank(struct drm_device *dev, int crtc)
1673 * Small shared kms functions.
1676 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1677 struct drm_vmw_rect *rects)
1679 struct drm_device *dev = dev_priv->dev;
1680 struct vmw_display_unit *du;
1681 struct drm_connector *con;
1683 mutex_lock(&dev->mode_config.mutex);
1689 DRM_INFO("%s: new layout ", __func__);
1690 for (i = 0; i < num; i++)
1691 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1692 rects[i].w, rects[i].h);
1697 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1698 du = vmw_connector_to_du(con);
1699 if (num > du->unit) {
1700 du->pref_width = rects[du->unit].w;
1701 du->pref_height = rects[du->unit].h;
1702 du->pref_active = true;
1703 du->gui_x = rects[du->unit].x;
1704 du->gui_y = rects[du->unit].y;
1706 du->pref_width = 800;
1707 du->pref_height = 600;
1708 du->pref_active = false;
1710 con->status = vmw_du_connector_detect(con, true);
1713 mutex_unlock(&dev->mode_config.mutex);
1718 int vmw_du_page_flip(struct drm_crtc *crtc,
1719 struct drm_framebuffer *fb,
1720 struct drm_pending_vblank_event *event,
1721 uint32_t page_flip_flags)
1723 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1724 struct drm_framebuffer *old_fb = crtc->primary->fb;
1725 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
1726 struct drm_file *file_priv ;
1727 struct vmw_fence_obj *fence = NULL;
1728 struct drm_clip_rect clips;
1734 /* require ScreenObject support for page flipping */
1735 if (!dev_priv->sou_priv)
1738 file_priv = event->base.file_priv;
1739 if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
1742 crtc->primary->fb = fb;
1744 /* do a full screen dirty update */
1745 clips.x1 = clips.y1 = 0;
1746 clips.x2 = fb->width;
1747 clips.y2 = fb->height;
1750 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
1751 0, 0, &clips, 1, 1, &fence);
1753 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
1754 0, 0, &clips, 1, 1, &fence);
1764 ret = vmw_event_fence_action_queue(file_priv, fence,
1766 &event->event.tv_sec,
1767 &event->event.tv_usec,
1771 * No need to hold on to this now. The only cleanup
1772 * we need to do if we fail is unref the fence.
1774 vmw_fence_obj_unreference(&fence);
1776 if (vmw_crtc_to_du(crtc)->is_implicit)
1777 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
1782 crtc->primary->fb = old_fb;
1787 void vmw_du_crtc_save(struct drm_crtc *crtc)
1791 void vmw_du_crtc_restore(struct drm_crtc *crtc)
1795 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1796 u16 *r, u16 *g, u16 *b,
1797 uint32_t start, uint32_t size)
1799 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1802 for (i = 0; i < size; i++) {
1803 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1805 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1806 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1807 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1811 void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1815 void vmw_du_connector_save(struct drm_connector *connector)
1819 void vmw_du_connector_restore(struct drm_connector *connector)
1823 enum drm_connector_status
1824 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1826 uint32_t num_displays;
1827 struct drm_device *dev = connector->dev;
1828 struct vmw_private *dev_priv = vmw_priv(dev);
1829 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1831 mutex_lock(&dev_priv->hw_mutex);
1832 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1833 mutex_unlock(&dev_priv->hw_mutex);
1835 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1837 connector_status_connected : connector_status_disconnected);
1840 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1842 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1843 752, 800, 0, 480, 489, 492, 525, 0,
1844 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1846 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1847 968, 1056, 0, 600, 601, 605, 628, 0,
1848 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1850 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1851 1184, 1344, 0, 768, 771, 777, 806, 0,
1852 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1854 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1855 1344, 1600, 0, 864, 865, 868, 900, 0,
1856 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1858 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1859 1472, 1664, 0, 768, 771, 778, 798, 0,
1860 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1862 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1863 1480, 1680, 0, 800, 803, 809, 831, 0,
1864 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1866 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1867 1488, 1800, 0, 960, 961, 964, 1000, 0,
1868 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1869 /* 1280x1024@60Hz */
1870 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1871 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1872 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1874 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1875 1536, 1792, 0, 768, 771, 777, 795, 0,
1876 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1877 /* 1440x1050@60Hz */
1878 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1879 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1880 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1882 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1883 1672, 1904, 0, 900, 903, 909, 934, 0,
1884 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1885 /* 1600x1200@60Hz */
1886 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1887 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1888 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1889 /* 1680x1050@60Hz */
1890 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1891 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1892 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1893 /* 1792x1344@60Hz */
1894 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1895 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1896 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1897 /* 1853x1392@60Hz */
1898 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1899 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1900 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1901 /* 1920x1200@60Hz */
1902 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1903 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1904 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1905 /* 1920x1440@60Hz */
1906 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1907 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1908 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1909 /* 2560x1600@60Hz */
1910 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1911 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1912 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1914 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1918 * vmw_guess_mode_timing - Provide fake timings for a
1919 * 60Hz vrefresh mode.
1921 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1922 * members filled in.
1924 static void vmw_guess_mode_timing(struct drm_display_mode *mode)
1926 mode->hsync_start = mode->hdisplay + 50;
1927 mode->hsync_end = mode->hsync_start + 50;
1928 mode->htotal = mode->hsync_end + 50;
1930 mode->vsync_start = mode->vdisplay + 50;
1931 mode->vsync_end = mode->vsync_start + 50;
1932 mode->vtotal = mode->vsync_end + 50;
1934 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1935 mode->vrefresh = drm_mode_vrefresh(mode);
1939 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1940 uint32_t max_width, uint32_t max_height)
1942 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1943 struct drm_device *dev = connector->dev;
1944 struct vmw_private *dev_priv = vmw_priv(dev);
1945 struct drm_display_mode *mode = NULL;
1946 struct drm_display_mode *bmode;
1947 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1948 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1949 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1950 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1953 u32 assumed_bpp = 2;
1956 * If using screen objects, then assume 32-bpp because that's what the
1957 * SVGA device is assuming
1959 if (dev_priv->sou_priv)
1962 /* Add preferred mode */
1964 mode = drm_mode_duplicate(dev, &prefmode);
1967 mode->hdisplay = du->pref_width;
1968 mode->vdisplay = du->pref_height;
1969 vmw_guess_mode_timing(mode);
1971 if (vmw_kms_validate_mode_vram(dev_priv,
1972 mode->hdisplay * assumed_bpp,
1974 drm_mode_probed_add(connector, mode);
1976 drm_mode_destroy(dev, mode);
1980 if (du->pref_mode) {
1981 list_del_init(&du->pref_mode->head);
1982 drm_mode_destroy(dev, du->pref_mode);
1985 /* mode might be null here, this is intended */
1986 du->pref_mode = mode;
1989 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1990 bmode = &vmw_kms_connector_builtin[i];
1991 if (bmode->hdisplay > max_width ||
1992 bmode->vdisplay > max_height)
1995 if (!vmw_kms_validate_mode_vram(dev_priv,
1996 bmode->hdisplay * assumed_bpp,
2000 mode = drm_mode_duplicate(dev, bmode);
2003 mode->vrefresh = drm_mode_vrefresh(mode);
2005 drm_mode_probed_add(connector, mode);
2008 /* Move the prefered mode first, help apps pick the right mode. */
2010 list_move(&du->pref_mode->head, &connector->probed_modes);
2012 drm_mode_connector_list_update(connector, true);
2017 int vmw_du_connector_set_property(struct drm_connector *connector,
2018 struct drm_property *property,
2025 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
2026 struct drm_file *file_priv)
2028 struct vmw_private *dev_priv = vmw_priv(dev);
2029 struct drm_vmw_update_layout_arg *arg =
2030 (struct drm_vmw_update_layout_arg *)data;
2031 void __user *user_rects;
2032 struct drm_vmw_rect *rects;
2033 unsigned rects_size;
2036 struct drm_mode_config *mode_config = &dev->mode_config;
2038 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
2039 if (unlikely(ret != 0))
2042 if (!arg->num_outputs) {
2043 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
2044 vmw_du_update_layout(dev_priv, 1, &def_rect);
2048 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
2049 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
2051 if (unlikely(!rects)) {
2056 user_rects = (void __user *)(unsigned long)arg->rects;
2057 ret = copy_from_user(rects, user_rects, rects_size);
2058 if (unlikely(ret != 0)) {
2059 DRM_ERROR("Failed to get rects.\n");
2064 for (i = 0; i < arg->num_outputs; ++i) {
2065 if (rects[i].x < 0 ||
2067 rects[i].x + rects[i].w > mode_config->max_width ||
2068 rects[i].y + rects[i].h > mode_config->max_height) {
2069 DRM_ERROR("Invalid GUI layout.\n");
2075 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
2080 ttm_read_unlock(&dev_priv->reservation_sem);