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 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_crtc_cleanup(&du->crtc);
79 drm_encoder_cleanup(&du->encoder);
80 drm_connector_cleanup(&du->connector);
84 * Display Unit Cursor functions
87 int vmw_cursor_update_image(struct vmw_private *dev_priv,
88 u32 *image, u32 width, u32 height,
89 u32 hotspotX, u32 hotspotY)
93 SVGAFifoCmdDefineAlphaCursor cursor;
95 u32 image_size = width * height * 4;
96 u32 cmd_size = sizeof(*cmd) + image_size;
101 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
102 if (unlikely(cmd == NULL)) {
103 DRM_ERROR("Fifo reserve failed.\n");
107 memset(cmd, 0, sizeof(*cmd));
109 memcpy(&cmd[1], image, image_size);
111 cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
112 cmd->cursor.id = cpu_to_le32(0);
113 cmd->cursor.width = cpu_to_le32(width);
114 cmd->cursor.height = cpu_to_le32(height);
115 cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
116 cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
118 vmw_fifo_commit(dev_priv, cmd_size);
123 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
124 struct vmw_dma_buffer *dmabuf,
125 u32 width, u32 height,
126 u32 hotspotX, u32 hotspotY)
128 struct ttm_bo_kmap_obj map;
129 unsigned long kmap_offset;
130 unsigned long kmap_num;
136 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
138 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
139 if (unlikely(ret != 0)) {
140 DRM_ERROR("reserve failed\n");
144 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
145 if (unlikely(ret != 0))
148 virtual = ttm_kmap_obj_virtual(&map, &dummy);
149 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
154 ttm_bo_unreserve(&dmabuf->base);
160 void vmw_cursor_update_position(struct vmw_private *dev_priv,
161 bool show, int x, int y)
163 __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
166 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
167 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
168 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
169 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
170 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
173 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
174 uint32_t handle, uint32_t width, uint32_t height)
176 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
177 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
178 struct vmw_surface *surface = NULL;
179 struct vmw_dma_buffer *dmabuf = NULL;
183 * FIXME: Unclear whether there's any global state touched by the
184 * cursor_set function, especially vmw_cursor_update_position looks
185 * suspicious. For now take the easy route and reacquire all locks. We
186 * can do this since the caller in the drm core doesn't check anything
187 * which is protected by any looks.
189 mutex_unlock(&crtc->mutex);
190 drm_modeset_lock_all(dev_priv->dev);
192 /* A lot of the code assumes this */
193 if (handle && (width != 64 || height != 64)) {
199 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
201 ret = vmw_user_lookup_handle(dev_priv, tfile,
202 handle, &surface, &dmabuf);
204 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
210 /* need to do this before taking down old image */
211 if (surface && !surface->snooper.image) {
212 DRM_ERROR("surface not suitable for cursor\n");
213 vmw_surface_unreference(&surface);
218 /* takedown old cursor */
219 if (du->cursor_surface) {
220 du->cursor_surface->snooper.crtc = NULL;
221 vmw_surface_unreference(&du->cursor_surface);
223 if (du->cursor_dmabuf)
224 vmw_dmabuf_unreference(&du->cursor_dmabuf);
226 /* setup new image */
228 /* vmw_user_surface_lookup takes one reference */
229 du->cursor_surface = surface;
231 du->cursor_surface->snooper.crtc = crtc;
232 du->cursor_age = du->cursor_surface->snooper.age;
233 vmw_cursor_update_image(dev_priv, surface->snooper.image,
234 64, 64, du->hotspot_x, du->hotspot_y);
236 /* vmw_user_surface_lookup takes one reference */
237 du->cursor_dmabuf = dmabuf;
239 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
240 du->hotspot_x, du->hotspot_y);
242 vmw_cursor_update_position(dev_priv, false, 0, 0);
247 vmw_cursor_update_position(dev_priv, true,
248 du->cursor_x + du->hotspot_x,
249 du->cursor_y + du->hotspot_y);
253 drm_modeset_unlock_all(dev_priv->dev);
254 mutex_lock(&crtc->mutex);
259 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
261 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
262 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
263 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
265 du->cursor_x = x + crtc->x;
266 du->cursor_y = y + crtc->y;
269 * FIXME: Unclear whether there's any global state touched by the
270 * cursor_set function, especially vmw_cursor_update_position looks
271 * suspicious. For now take the easy route and reacquire all locks. We
272 * can do this since the caller in the drm core doesn't check anything
273 * which is protected by any looks.
275 mutex_unlock(&crtc->mutex);
276 drm_modeset_lock_all(dev_priv->dev);
278 vmw_cursor_update_position(dev_priv, shown,
279 du->cursor_x + du->hotspot_x,
280 du->cursor_y + du->hotspot_y);
282 drm_modeset_unlock_all(dev_priv->dev);
283 mutex_lock(&crtc->mutex);
288 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
289 struct ttm_object_file *tfile,
290 struct ttm_buffer_object *bo,
291 SVGA3dCmdHeader *header)
293 struct ttm_bo_kmap_obj map;
294 unsigned long kmap_offset;
295 unsigned long kmap_num;
301 SVGA3dCmdHeader header;
302 SVGA3dCmdSurfaceDMA dma;
306 cmd = container_of(header, struct vmw_dma_cmd, header);
308 /* No snooper installed */
309 if (!srf->snooper.image)
312 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
313 DRM_ERROR("face and mipmap for cursors should never != 0\n");
317 if (cmd->header.size < 64) {
318 DRM_ERROR("at least one full copy box must be given\n");
322 box = (SVGA3dCopyBox *)&cmd[1];
323 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
324 sizeof(SVGA3dCopyBox);
326 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
327 box->x != 0 || box->y != 0 || box->z != 0 ||
328 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
329 box->d != 1 || box_count != 1) {
330 /* TODO handle none page aligned offsets */
331 /* TODO handle more dst & src != 0 */
332 /* TODO handle more then one copy */
333 DRM_ERROR("Cant snoop dma request for cursor!\n");
334 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
335 box->srcx, box->srcy, box->srcz,
336 box->x, box->y, box->z,
337 box->w, box->h, box->d, box_count,
338 cmd->dma.guest.ptr.offset);
342 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
343 kmap_num = (64*64*4) >> PAGE_SHIFT;
345 ret = ttm_bo_reserve(bo, true, false, false, 0);
346 if (unlikely(ret != 0)) {
347 DRM_ERROR("reserve failed\n");
351 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
352 if (unlikely(ret != 0))
355 virtual = ttm_kmap_obj_virtual(&map, &dummy);
357 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
358 memcpy(srf->snooper.image, virtual, 64*64*4);
360 /* Image is unsigned pointer. */
361 for (i = 0; i < box->h; i++)
362 memcpy(srf->snooper.image + i * 64,
363 virtual + i * cmd->dma.guest.pitch,
369 /* we can't call this function from this function since execbuf has
370 * reserved fifo space.
372 * if (srf->snooper.crtc)
373 * vmw_ldu_crtc_cursor_update_image(dev_priv,
374 * srf->snooper.image, 64, 64,
375 * du->hotspot_x, du->hotspot_y);
380 ttm_bo_unreserve(bo);
383 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
385 struct drm_device *dev = dev_priv->dev;
386 struct vmw_display_unit *du;
387 struct drm_crtc *crtc;
389 mutex_lock(&dev->mode_config.mutex);
391 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
392 du = vmw_crtc_to_du(crtc);
393 if (!du->cursor_surface ||
394 du->cursor_age == du->cursor_surface->snooper.age)
397 du->cursor_age = du->cursor_surface->snooper.age;
398 vmw_cursor_update_image(dev_priv,
399 du->cursor_surface->snooper.image,
400 64, 64, du->hotspot_x, du->hotspot_y);
403 mutex_unlock(&dev->mode_config.mutex);
407 * Generic framebuffer code
411 * Surface framebuffer code
414 #define vmw_framebuffer_to_vfbs(x) \
415 container_of(x, struct vmw_framebuffer_surface, base.base)
417 struct vmw_framebuffer_surface {
418 struct vmw_framebuffer base;
419 struct vmw_surface *surface;
420 struct vmw_dma_buffer *buffer;
421 struct list_head head;
422 struct drm_master *master;
425 void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
427 struct vmw_framebuffer_surface *vfbs =
428 vmw_framebuffer_to_vfbs(framebuffer);
429 struct vmw_master *vmaster = vmw_master(vfbs->master);
432 mutex_lock(&vmaster->fb_surf_mutex);
433 list_del(&vfbs->head);
434 mutex_unlock(&vmaster->fb_surf_mutex);
436 drm_master_put(&vfbs->master);
437 drm_framebuffer_cleanup(framebuffer);
438 vmw_surface_unreference(&vfbs->surface);
439 ttm_base_object_unref(&vfbs->base.user_obj);
444 static int do_surface_dirty_sou(struct vmw_private *dev_priv,
445 struct drm_file *file_priv,
446 struct vmw_framebuffer *framebuffer,
447 unsigned flags, unsigned color,
448 struct drm_clip_rect *clips,
449 unsigned num_clips, int inc,
450 struct vmw_fence_obj **out_fence)
452 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
453 struct drm_clip_rect *clips_ptr;
454 struct drm_clip_rect *tmp;
455 struct drm_crtc *crtc;
458 int ret = 0; /* silence warning */
459 int left, right, top, bottom;
462 SVGA3dCmdHeader header;
463 SVGA3dCmdBlitSurfaceToScreen body;
465 SVGASignedRect *blits;
468 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
470 if (crtc->fb != &framebuffer->base)
472 units[num_units++] = vmw_crtc_to_du(crtc);
475 BUG_ON(!clips || !num_clips);
477 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
478 if (unlikely(tmp == NULL)) {
479 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
483 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
484 cmd = kzalloc(fifo_size, GFP_KERNEL);
485 if (unlikely(cmd == NULL)) {
486 DRM_ERROR("Temporary fifo memory alloc failed.\n");
491 /* setup blits pointer */
492 blits = (SVGASignedRect *)&cmd[1];
494 /* initial clip region */
500 /* skip the first clip rect */
501 for (i = 1, clips_ptr = clips + inc;
502 i < num_clips; i++, clips_ptr += inc) {
503 left = min_t(int, left, (int)clips_ptr->x1);
504 right = max_t(int, right, (int)clips_ptr->x2);
505 top = min_t(int, top, (int)clips_ptr->y1);
506 bottom = max_t(int, bottom, (int)clips_ptr->y2);
509 /* only need to do this once */
510 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
511 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
513 cmd->body.srcRect.left = left;
514 cmd->body.srcRect.right = right;
515 cmd->body.srcRect.top = top;
516 cmd->body.srcRect.bottom = bottom;
519 for (i = 0; i < num_clips; i++, clips_ptr += inc) {
520 tmp[i].x1 = clips_ptr->x1 - left;
521 tmp[i].x2 = clips_ptr->x2 - left;
522 tmp[i].y1 = clips_ptr->y1 - top;
523 tmp[i].y2 = clips_ptr->y2 - top;
526 /* do per unit writing, reuse fifo for each */
527 for (i = 0; i < num_units; i++) {
528 struct vmw_display_unit *unit = units[i];
529 struct vmw_clip_rect clip;
532 clip.x1 = left - unit->crtc.x;
533 clip.y1 = top - unit->crtc.y;
534 clip.x2 = right - unit->crtc.x;
535 clip.y2 = bottom - unit->crtc.y;
537 /* skip any crtcs that misses the clip region */
538 if (clip.x1 >= unit->crtc.mode.hdisplay ||
539 clip.y1 >= unit->crtc.mode.vdisplay ||
540 clip.x2 <= 0 || clip.y2 <= 0)
544 * In order for the clip rects to be correctly scaled
545 * the src and dest rects needs to be the same size.
547 cmd->body.destRect.left = clip.x1;
548 cmd->body.destRect.right = clip.x2;
549 cmd->body.destRect.top = clip.y1;
550 cmd->body.destRect.bottom = clip.y2;
552 /* create a clip rect of the crtc in dest coords */
553 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
554 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
555 clip.x1 = 0 - clip.x1;
556 clip.y1 = 0 - clip.y1;
558 /* need to reset sid as it is changed by execbuf */
559 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
560 cmd->body.destScreenId = unit->unit;
562 /* clip and write blits to cmd stream */
563 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
565 /* if no cliprects hit skip this */
569 /* only return the last fence */
570 if (out_fence && *out_fence)
571 vmw_fence_obj_unreference(out_fence);
573 /* recalculate package length */
574 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
575 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
576 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
577 fifo_size, 0, NULL, out_fence);
579 if (unlikely(ret != 0))
591 int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
592 struct drm_file *file_priv,
593 unsigned flags, unsigned color,
594 struct drm_clip_rect *clips,
597 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
598 struct vmw_master *vmaster = vmw_master(file_priv->master);
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 ret = ttm_read_lock(&vmaster->lock, true);
612 if (unlikely(ret != 0))
618 norect.x1 = norect.y1 = 0;
619 norect.x2 = framebuffer->width;
620 norect.y2 = framebuffer->height;
621 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
623 inc = 2; /* skip source rects */
626 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
628 clips, num_clips, inc, NULL);
630 ttm_read_unlock(&vmaster->lock);
634 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
635 .destroy = vmw_framebuffer_surface_destroy,
636 .dirty = vmw_framebuffer_surface_dirty,
639 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
640 struct drm_file *file_priv,
641 struct vmw_surface *surface,
642 struct vmw_framebuffer **out,
643 const struct drm_mode_fb_cmd
647 struct drm_device *dev = dev_priv->dev;
648 struct vmw_framebuffer_surface *vfbs;
649 enum SVGA3dSurfaceFormat format;
650 struct vmw_master *vmaster = vmw_master(file_priv->master);
653 /* 3D is only supported on HWv8 hosts which supports screen objects */
654 if (!dev_priv->sou_priv)
661 /* Surface must be marked as a scanout. */
662 if (unlikely(!surface->scanout))
665 if (unlikely(surface->mip_levels[0] != 1 ||
666 surface->num_sizes != 1 ||
667 surface->sizes[0].width < mode_cmd->width ||
668 surface->sizes[0].height < mode_cmd->height ||
669 surface->sizes[0].depth != 1)) {
670 DRM_ERROR("Incompatible surface dimensions "
671 "for requested mode.\n");
675 switch (mode_cmd->depth) {
677 format = SVGA3D_A8R8G8B8;
680 format = SVGA3D_X8R8G8B8;
683 format = SVGA3D_R5G6B5;
686 format = SVGA3D_A1R5G5B5;
689 format = SVGA3D_LUMINANCE8;
692 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
696 if (unlikely(format != surface->format)) {
697 DRM_ERROR("Invalid surface format for requested mode.\n");
701 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
707 if (!vmw_surface_reference(surface)) {
708 DRM_ERROR("failed to reference surface %p\n", surface);
713 /* XXX get the first 3 from the surface info */
714 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
715 vfbs->base.base.pitches[0] = mode_cmd->pitch;
716 vfbs->base.base.depth = mode_cmd->depth;
717 vfbs->base.base.width = mode_cmd->width;
718 vfbs->base.base.height = mode_cmd->height;
719 vfbs->surface = surface;
720 vfbs->base.user_handle = mode_cmd->handle;
721 vfbs->master = drm_master_get(file_priv->master);
723 mutex_lock(&vmaster->fb_surf_mutex);
724 list_add_tail(&vfbs->head, &vmaster->fb_surf);
725 mutex_unlock(&vmaster->fb_surf_mutex);
729 ret = drm_framebuffer_init(dev, &vfbs->base.base,
730 &vmw_framebuffer_surface_funcs);
737 vmw_surface_unreference(&surface);
745 * Dmabuf framebuffer code
748 #define vmw_framebuffer_to_vfbd(x) \
749 container_of(x, struct vmw_framebuffer_dmabuf, base.base)
751 struct vmw_framebuffer_dmabuf {
752 struct vmw_framebuffer base;
753 struct vmw_dma_buffer *buffer;
756 void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
758 struct vmw_framebuffer_dmabuf *vfbd =
759 vmw_framebuffer_to_vfbd(framebuffer);
761 drm_framebuffer_cleanup(framebuffer);
762 vmw_dmabuf_unreference(&vfbd->buffer);
763 ttm_base_object_unref(&vfbd->base.user_obj);
768 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
769 struct vmw_framebuffer *framebuffer,
770 unsigned flags, unsigned color,
771 struct drm_clip_rect *clips,
772 unsigned num_clips, int increment)
779 SVGAFifoCmdUpdate body;
782 fifo_size = sizeof(*cmd) * num_clips;
783 cmd = vmw_fifo_reserve(dev_priv, fifo_size);
784 if (unlikely(cmd == NULL)) {
785 DRM_ERROR("Fifo reserve failed.\n");
789 memset(cmd, 0, fifo_size);
790 for (i = 0; i < num_clips; i++, clips += increment) {
791 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
792 cmd[i].body.x = cpu_to_le32(clips->x1);
793 cmd[i].body.y = cpu_to_le32(clips->y1);
794 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
795 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
798 vmw_fifo_commit(dev_priv, fifo_size);
802 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
803 struct vmw_private *dev_priv,
804 struct vmw_framebuffer *framebuffer)
806 int depth = framebuffer->base.depth;
812 SVGAFifoCmdDefineGMRFB body;
815 /* Emulate RGBA support, contrary to svga_reg.h this is not
816 * supported by hosts. This is only a problem if we are reading
817 * this value later and expecting what we uploaded back.
822 fifo_size = sizeof(*cmd);
823 cmd = kmalloc(fifo_size, GFP_KERNEL);
824 if (unlikely(cmd == NULL)) {
825 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
829 memset(cmd, 0, fifo_size);
830 cmd->header = SVGA_CMD_DEFINE_GMRFB;
831 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
832 cmd->body.format.colorDepth = depth;
833 cmd->body.format.reserved = 0;
834 cmd->body.bytesPerLine = framebuffer->base.pitches[0];
835 cmd->body.ptr.gmrId = framebuffer->user_handle;
836 cmd->body.ptr.offset = 0;
838 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
839 fifo_size, 0, NULL, NULL);
846 static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
847 struct vmw_private *dev_priv,
848 struct vmw_framebuffer *framebuffer,
849 unsigned flags, unsigned color,
850 struct drm_clip_rect *clips,
851 unsigned num_clips, int increment,
852 struct vmw_fence_obj **out_fence)
854 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
855 struct drm_clip_rect *clips_ptr;
856 int i, k, num_units, ret;
857 struct drm_crtc *crtc;
862 SVGAFifoCmdBlitGMRFBToScreen body;
865 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
866 if (unlikely(ret != 0))
867 return ret; /* define_gmrfb prints warnings */
869 fifo_size = sizeof(*blits) * num_clips;
870 blits = kmalloc(fifo_size, GFP_KERNEL);
871 if (unlikely(blits == NULL)) {
872 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
877 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
878 if (crtc->fb != &framebuffer->base)
880 units[num_units++] = vmw_crtc_to_du(crtc);
883 for (k = 0; k < num_units; k++) {
884 struct vmw_display_unit *unit = units[k];
888 for (i = 0; i < num_clips; i++, clips_ptr += increment) {
889 int clip_x1 = clips_ptr->x1 - unit->crtc.x;
890 int clip_y1 = clips_ptr->y1 - unit->crtc.y;
891 int clip_x2 = clips_ptr->x2 - unit->crtc.x;
892 int clip_y2 = clips_ptr->y2 - unit->crtc.y;
895 /* skip any crtcs that misses the clip region */
896 if (clip_x1 >= unit->crtc.mode.hdisplay ||
897 clip_y1 >= unit->crtc.mode.vdisplay ||
898 clip_x2 <= 0 || clip_y2 <= 0)
901 /* clip size to crtc size */
902 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
903 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
905 /* translate both src and dest to bring clip into screen */
906 move_x = min_t(int, clip_x1, 0);
907 move_y = min_t(int, clip_y1, 0);
909 /* actual translate done here */
910 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
911 blits[hit_num].body.destScreenId = unit->unit;
912 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
913 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
914 blits[hit_num].body.destRect.left = clip_x1 - move_x;
915 blits[hit_num].body.destRect.top = clip_y1 - move_y;
916 blits[hit_num].body.destRect.right = clip_x2;
917 blits[hit_num].body.destRect.bottom = clip_y2;
921 /* no clips hit the crtc */
925 /* only return the last fence */
926 if (out_fence && *out_fence)
927 vmw_fence_obj_unreference(out_fence);
929 fifo_size = sizeof(*blits) * hit_num;
930 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
931 fifo_size, 0, NULL, out_fence);
933 if (unlikely(ret != 0))
942 int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
943 struct drm_file *file_priv,
944 unsigned flags, unsigned color,
945 struct drm_clip_rect *clips,
948 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
949 struct vmw_master *vmaster = vmw_master(file_priv->master);
950 struct vmw_framebuffer_dmabuf *vfbd =
951 vmw_framebuffer_to_vfbd(framebuffer);
952 struct drm_clip_rect norect;
953 int ret, increment = 1;
955 ret = ttm_read_lock(&vmaster->lock, true);
956 if (unlikely(ret != 0))
962 norect.x1 = norect.y1 = 0;
963 norect.x2 = framebuffer->width;
964 norect.y2 = framebuffer->height;
965 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
970 if (dev_priv->ldu_priv) {
971 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
973 clips, num_clips, increment);
975 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
977 clips, num_clips, increment, NULL);
980 ttm_read_unlock(&vmaster->lock);
984 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
985 .destroy = vmw_framebuffer_dmabuf_destroy,
986 .dirty = vmw_framebuffer_dmabuf_dirty,
990 * Pin the dmabuffer to the start of vram.
992 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
994 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
995 struct vmw_framebuffer_dmabuf *vfbd =
996 vmw_framebuffer_to_vfbd(&vfb->base);
999 /* This code should not be used with screen objects */
1000 BUG_ON(dev_priv->sou_priv);
1002 vmw_overlay_pause_all(dev_priv);
1004 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
1006 vmw_overlay_resume_all(dev_priv);
1013 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
1015 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1016 struct vmw_framebuffer_dmabuf *vfbd =
1017 vmw_framebuffer_to_vfbd(&vfb->base);
1019 if (!vfbd->buffer) {
1020 WARN_ON(!vfbd->buffer);
1024 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
1027 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
1028 struct vmw_dma_buffer *dmabuf,
1029 struct vmw_framebuffer **out,
1030 const struct drm_mode_fb_cmd
1034 struct drm_device *dev = dev_priv->dev;
1035 struct vmw_framebuffer_dmabuf *vfbd;
1036 unsigned int requested_size;
1039 requested_size = mode_cmd->height * mode_cmd->pitch;
1040 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
1041 DRM_ERROR("Screen buffer object size is too small "
1042 "for requested mode.\n");
1046 /* Limited framebuffer color depth support for screen objects */
1047 if (dev_priv->sou_priv) {
1048 switch (mode_cmd->depth) {
1051 /* Only support 32 bpp for 32 and 24 depth fbs */
1052 if (mode_cmd->bpp == 32)
1055 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1056 mode_cmd->depth, mode_cmd->bpp);
1060 /* Only support 16 bpp for 16 and 15 depth fbs */
1061 if (mode_cmd->bpp == 16)
1064 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1065 mode_cmd->depth, mode_cmd->bpp);
1068 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
1073 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1079 if (!vmw_dmabuf_reference(dmabuf)) {
1080 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
1085 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
1086 vfbd->base.base.pitches[0] = mode_cmd->pitch;
1087 vfbd->base.base.depth = mode_cmd->depth;
1088 vfbd->base.base.width = mode_cmd->width;
1089 vfbd->base.base.height = mode_cmd->height;
1090 if (!dev_priv->sou_priv) {
1091 vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
1092 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
1094 vfbd->base.dmabuf = true;
1095 vfbd->buffer = dmabuf;
1096 vfbd->base.user_handle = mode_cmd->handle;
1099 ret = drm_framebuffer_init(dev, &vfbd->base.base,
1100 &vmw_framebuffer_dmabuf_funcs);
1107 vmw_dmabuf_unreference(&dmabuf);
1115 * Generic Kernel modesetting functions
1118 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1119 struct drm_file *file_priv,
1120 struct drm_mode_fb_cmd2 *mode_cmd2)
1122 struct vmw_private *dev_priv = vmw_priv(dev);
1123 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
1124 struct vmw_framebuffer *vfb = NULL;
1125 struct vmw_surface *surface = NULL;
1126 struct vmw_dma_buffer *bo = NULL;
1127 struct ttm_base_object *user_obj;
1128 struct drm_mode_fb_cmd mode_cmd;
1131 mode_cmd.width = mode_cmd2->width;
1132 mode_cmd.height = mode_cmd2->height;
1133 mode_cmd.pitch = mode_cmd2->pitches[0];
1134 mode_cmd.handle = mode_cmd2->handles[0];
1135 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
1139 * This code should be conditioned on Screen Objects not being used.
1140 * If screen objects are used, we can allocate a GMR to hold the
1141 * requested framebuffer.
1144 if (!vmw_kms_validate_mode_vram(dev_priv,
1147 DRM_ERROR("VRAM size is too small for requested mode.\n");
1148 return ERR_PTR(-ENOMEM);
1152 * Take a reference on the user object of the resource
1153 * backing the kms fb. This ensures that user-space handle
1154 * lookups on that resource will always work as long as
1155 * it's registered with a kms framebuffer. This is important,
1156 * since vmw_execbuf_process identifies resources in the
1157 * command stream using user-space handles.
1160 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1161 if (unlikely(user_obj == NULL)) {
1162 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1163 return ERR_PTR(-ENOENT);
1167 * End conditioned code.
1170 /* returns either a dmabuf or surface */
1171 ret = vmw_user_lookup_handle(dev_priv, tfile,
1177 /* Create the new framebuffer depending one what we got back */
1179 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
1182 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
1183 surface, &vfb, &mode_cmd);
1188 /* vmw_user_lookup_handle takes one ref so does new_fb */
1190 vmw_dmabuf_unreference(&bo);
1192 vmw_surface_unreference(&surface);
1195 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1196 ttm_base_object_unref(&user_obj);
1197 return ERR_PTR(ret);
1199 vfb->user_obj = user_obj;
1204 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1205 .fb_create = vmw_kms_fb_create,
1208 int vmw_kms_present(struct vmw_private *dev_priv,
1209 struct drm_file *file_priv,
1210 struct vmw_framebuffer *vfb,
1211 struct vmw_surface *surface,
1213 int32_t destX, int32_t destY,
1214 struct drm_vmw_rect *clips,
1217 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1218 struct drm_clip_rect *tmp;
1219 struct drm_crtc *crtc;
1221 int i, k, num_units;
1222 int ret = 0; /* silence warning */
1223 int left, right, top, bottom;
1226 SVGA3dCmdHeader header;
1227 SVGA3dCmdBlitSurfaceToScreen body;
1229 SVGASignedRect *blits;
1232 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1233 if (crtc->fb != &vfb->base)
1235 units[num_units++] = vmw_crtc_to_du(crtc);
1238 BUG_ON(surface == NULL);
1239 BUG_ON(!clips || !num_clips);
1241 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
1242 if (unlikely(tmp == NULL)) {
1243 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
1247 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
1248 cmd = kmalloc(fifo_size, GFP_KERNEL);
1249 if (unlikely(cmd == NULL)) {
1250 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1256 right = clips->x + clips->w;
1258 bottom = clips->y + clips->h;
1260 for (i = 1; i < num_clips; i++) {
1261 left = min_t(int, left, (int)clips[i].x);
1262 right = max_t(int, right, (int)clips[i].x + clips[i].w);
1263 top = min_t(int, top, (int)clips[i].y);
1264 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
1267 /* only need to do this once */
1268 memset(cmd, 0, fifo_size);
1269 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
1271 blits = (SVGASignedRect *)&cmd[1];
1273 cmd->body.srcRect.left = left;
1274 cmd->body.srcRect.right = right;
1275 cmd->body.srcRect.top = top;
1276 cmd->body.srcRect.bottom = bottom;
1278 for (i = 0; i < num_clips; i++) {
1279 tmp[i].x1 = clips[i].x - left;
1280 tmp[i].x2 = clips[i].x + clips[i].w - left;
1281 tmp[i].y1 = clips[i].y - top;
1282 tmp[i].y2 = clips[i].y + clips[i].h - top;
1285 for (k = 0; k < num_units; k++) {
1286 struct vmw_display_unit *unit = units[k];
1287 struct vmw_clip_rect clip;
1290 clip.x1 = left + destX - unit->crtc.x;
1291 clip.y1 = top + destY - unit->crtc.y;
1292 clip.x2 = right + destX - unit->crtc.x;
1293 clip.y2 = bottom + destY - unit->crtc.y;
1295 /* skip any crtcs that misses the clip region */
1296 if (clip.x1 >= unit->crtc.mode.hdisplay ||
1297 clip.y1 >= unit->crtc.mode.vdisplay ||
1298 clip.x2 <= 0 || clip.y2 <= 0)
1302 * In order for the clip rects to be correctly scaled
1303 * the src and dest rects needs to be the same size.
1305 cmd->body.destRect.left = clip.x1;
1306 cmd->body.destRect.right = clip.x2;
1307 cmd->body.destRect.top = clip.y1;
1308 cmd->body.destRect.bottom = clip.y2;
1310 /* create a clip rect of the crtc in dest coords */
1311 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
1312 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
1313 clip.x1 = 0 - clip.x1;
1314 clip.y1 = 0 - clip.y1;
1316 /* need to reset sid as it is changed by execbuf */
1317 cmd->body.srcImage.sid = sid;
1318 cmd->body.destScreenId = unit->unit;
1320 /* clip and write blits to cmd stream */
1321 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
1323 /* if no cliprects hit skip this */
1327 /* recalculate package length */
1328 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
1329 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
1330 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
1331 fifo_size, 0, NULL, NULL);
1333 if (unlikely(ret != 0))
1344 int vmw_kms_readback(struct vmw_private *dev_priv,
1345 struct drm_file *file_priv,
1346 struct vmw_framebuffer *vfb,
1347 struct drm_vmw_fence_rep __user *user_fence_rep,
1348 struct drm_vmw_rect *clips,
1351 struct vmw_framebuffer_dmabuf *vfbd =
1352 vmw_framebuffer_to_vfbd(&vfb->base);
1353 struct vmw_dma_buffer *dmabuf = vfbd->buffer;
1354 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1355 struct drm_crtc *crtc;
1357 int i, k, ret, num_units, blits_pos;
1361 SVGAFifoCmdDefineGMRFB body;
1365 SVGAFifoCmdBlitScreenToGMRFB body;
1369 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1370 if (crtc->fb != &vfb->base)
1372 units[num_units++] = vmw_crtc_to_du(crtc);
1375 BUG_ON(dmabuf == NULL);
1376 BUG_ON(!clips || !num_clips);
1378 /* take a safe guess at fifo size */
1379 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
1380 cmd = kmalloc(fifo_size, GFP_KERNEL);
1381 if (unlikely(cmd == NULL)) {
1382 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1386 memset(cmd, 0, fifo_size);
1387 cmd->header = SVGA_CMD_DEFINE_GMRFB;
1388 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
1389 cmd->body.format.colorDepth = vfb->base.depth;
1390 cmd->body.format.reserved = 0;
1391 cmd->body.bytesPerLine = vfb->base.pitches[0];
1392 cmd->body.ptr.gmrId = vfb->user_handle;
1393 cmd->body.ptr.offset = 0;
1395 blits = (void *)&cmd[1];
1397 for (i = 0; i < num_units; i++) {
1398 struct drm_vmw_rect *c = clips;
1399 for (k = 0; k < num_clips; k++, c++) {
1400 /* transform clip coords to crtc origin based coords */
1401 int clip_x1 = c->x - units[i]->crtc.x;
1402 int clip_x2 = c->x - units[i]->crtc.x + c->w;
1403 int clip_y1 = c->y - units[i]->crtc.y;
1404 int clip_y2 = c->y - units[i]->crtc.y + c->h;
1408 /* compensate for clipping, we negate
1409 * a negative number and add that.
1417 clip_x1 = max(clip_x1, 0);
1418 clip_y1 = max(clip_y1, 0);
1419 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
1420 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
1422 /* and cull any rects that misses the crtc */
1423 if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
1424 clip_y1 >= units[i]->crtc.mode.vdisplay ||
1425 clip_x2 <= 0 || clip_y2 <= 0)
1428 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
1429 blits[blits_pos].body.srcScreenId = units[i]->unit;
1430 blits[blits_pos].body.destOrigin.x = dest_x;
1431 blits[blits_pos].body.destOrigin.y = dest_y;
1433 blits[blits_pos].body.srcRect.left = clip_x1;
1434 blits[blits_pos].body.srcRect.top = clip_y1;
1435 blits[blits_pos].body.srcRect.right = clip_x2;
1436 blits[blits_pos].body.srcRect.bottom = clip_y2;
1440 /* reset size here and use calculated exact size from loops */
1441 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
1443 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
1444 0, user_fence_rep, NULL);
1451 int vmw_kms_init(struct vmw_private *dev_priv)
1453 struct drm_device *dev = dev_priv->dev;
1456 drm_mode_config_init(dev);
1457 dev->mode_config.funcs = &vmw_kms_funcs;
1458 dev->mode_config.min_width = 1;
1459 dev->mode_config.min_height = 1;
1460 /* assumed largest fb size */
1461 dev->mode_config.max_width = 8192;
1462 dev->mode_config.max_height = 8192;
1464 ret = vmw_kms_init_screen_object_display(dev_priv);
1465 if (ret) /* Fallback */
1466 (void)vmw_kms_init_legacy_display_system(dev_priv);
1471 int vmw_kms_close(struct vmw_private *dev_priv)
1474 * Docs says we should take the lock before calling this function
1475 * but since it destroys encoders and our destructor calls
1476 * drm_encoder_cleanup which takes the lock we deadlock.
1478 drm_mode_config_cleanup(dev_priv->dev);
1479 if (dev_priv->sou_priv)
1480 vmw_kms_close_screen_object_display(dev_priv);
1482 vmw_kms_close_legacy_display_system(dev_priv);
1486 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1487 struct drm_file *file_priv)
1489 struct drm_vmw_cursor_bypass_arg *arg = data;
1490 struct vmw_display_unit *du;
1491 struct drm_mode_object *obj;
1492 struct drm_crtc *crtc;
1496 mutex_lock(&dev->mode_config.mutex);
1497 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1499 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1500 du = vmw_crtc_to_du(crtc);
1501 du->hotspot_x = arg->xhot;
1502 du->hotspot_y = arg->yhot;
1505 mutex_unlock(&dev->mode_config.mutex);
1509 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
1515 crtc = obj_to_crtc(obj);
1516 du = vmw_crtc_to_du(crtc);
1518 du->hotspot_x = arg->xhot;
1519 du->hotspot_y = arg->yhot;
1522 mutex_unlock(&dev->mode_config.mutex);
1527 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1528 unsigned width, unsigned height, unsigned pitch,
1529 unsigned bpp, unsigned depth)
1531 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1532 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1533 else if (vmw_fifo_have_pitchlock(vmw_priv))
1534 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1535 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1536 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1537 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1539 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1540 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1541 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1548 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1550 struct vmw_vga_topology_state *save;
1553 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1554 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1555 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1556 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1557 vmw_priv->vga_pitchlock =
1558 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1559 else if (vmw_fifo_have_pitchlock(vmw_priv))
1560 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
1561 SVGA_FIFO_PITCHLOCK);
1563 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1566 vmw_priv->num_displays = vmw_read(vmw_priv,
1567 SVGA_REG_NUM_GUEST_DISPLAYS);
1569 if (vmw_priv->num_displays == 0)
1570 vmw_priv->num_displays = 1;
1572 for (i = 0; i < vmw_priv->num_displays; ++i) {
1573 save = &vmw_priv->vga_save[i];
1574 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1575 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1576 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1577 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1578 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1579 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1580 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1581 if (i == 0 && vmw_priv->num_displays == 1 &&
1582 save->width == 0 && save->height == 0) {
1585 * It should be fairly safe to assume that these
1586 * values are uninitialized.
1589 save->width = vmw_priv->vga_width - save->pos_x;
1590 save->height = vmw_priv->vga_height - save->pos_y;
1597 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1599 struct vmw_vga_topology_state *save;
1602 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1603 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1604 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1605 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1606 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1607 vmw_priv->vga_pitchlock);
1608 else if (vmw_fifo_have_pitchlock(vmw_priv))
1609 iowrite32(vmw_priv->vga_pitchlock,
1610 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1612 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1615 for (i = 0; i < vmw_priv->num_displays; ++i) {
1616 save = &vmw_priv->vga_save[i];
1617 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1618 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1619 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1620 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1621 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1622 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1623 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1629 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1633 return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size;
1638 * Function called by DRM code called with vbl_lock held.
1640 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
1646 * Function called by DRM code called with vbl_lock held.
1648 int vmw_enable_vblank(struct drm_device *dev, int crtc)
1654 * Function called by DRM code called with vbl_lock held.
1656 void vmw_disable_vblank(struct drm_device *dev, int crtc)
1662 * Small shared kms functions.
1665 int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1666 struct drm_vmw_rect *rects)
1668 struct drm_device *dev = dev_priv->dev;
1669 struct vmw_display_unit *du;
1670 struct drm_connector *con;
1672 mutex_lock(&dev->mode_config.mutex);
1678 DRM_INFO("%s: new layout ", __func__);
1679 for (i = 0; i < num; i++)
1680 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1681 rects[i].w, rects[i].h);
1686 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1687 du = vmw_connector_to_du(con);
1688 if (num > du->unit) {
1689 du->pref_width = rects[du->unit].w;
1690 du->pref_height = rects[du->unit].h;
1691 du->pref_active = true;
1692 du->gui_x = rects[du->unit].x;
1693 du->gui_y = rects[du->unit].y;
1695 du->pref_width = 800;
1696 du->pref_height = 600;
1697 du->pref_active = false;
1699 con->status = vmw_du_connector_detect(con, true);
1702 mutex_unlock(&dev->mode_config.mutex);
1707 int vmw_du_page_flip(struct drm_crtc *crtc,
1708 struct drm_framebuffer *fb,
1709 struct drm_pending_vblank_event *event,
1710 uint32_t page_flip_flags)
1712 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1713 struct drm_framebuffer *old_fb = crtc->fb;
1714 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
1715 struct drm_file *file_priv ;
1716 struct vmw_fence_obj *fence = NULL;
1717 struct drm_clip_rect clips;
1723 /* require ScreenObject support for page flipping */
1724 if (!dev_priv->sou_priv)
1727 file_priv = event->base.file_priv;
1728 if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
1733 /* do a full screen dirty update */
1734 clips.x1 = clips.y1 = 0;
1735 clips.x2 = fb->width;
1736 clips.y2 = fb->height;
1739 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
1740 0, 0, &clips, 1, 1, &fence);
1742 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
1743 0, 0, &clips, 1, 1, &fence);
1753 ret = vmw_event_fence_action_queue(file_priv, fence,
1755 &event->event.tv_sec,
1756 &event->event.tv_usec,
1760 * No need to hold on to this now. The only cleanup
1761 * we need to do if we fail is unref the fence.
1763 vmw_fence_obj_unreference(&fence);
1765 if (vmw_crtc_to_du(crtc)->is_implicit)
1766 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
1776 void vmw_du_crtc_save(struct drm_crtc *crtc)
1780 void vmw_du_crtc_restore(struct drm_crtc *crtc)
1784 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1785 u16 *r, u16 *g, u16 *b,
1786 uint32_t start, uint32_t size)
1788 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1791 for (i = 0; i < size; i++) {
1792 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1794 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1795 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1796 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1800 void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1804 void vmw_du_connector_save(struct drm_connector *connector)
1808 void vmw_du_connector_restore(struct drm_connector *connector)
1812 enum drm_connector_status
1813 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1815 uint32_t num_displays;
1816 struct drm_device *dev = connector->dev;
1817 struct vmw_private *dev_priv = vmw_priv(dev);
1818 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1820 mutex_lock(&dev_priv->hw_mutex);
1821 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1822 mutex_unlock(&dev_priv->hw_mutex);
1824 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1826 connector_status_connected : connector_status_disconnected);
1829 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1831 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1832 752, 800, 0, 480, 489, 492, 525, 0,
1833 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1835 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1836 968, 1056, 0, 600, 601, 605, 628, 0,
1837 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1839 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1840 1184, 1344, 0, 768, 771, 777, 806, 0,
1841 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1843 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1844 1344, 1600, 0, 864, 865, 868, 900, 0,
1845 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1847 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1848 1472, 1664, 0, 768, 771, 778, 798, 0,
1849 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1851 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1852 1480, 1680, 0, 800, 803, 809, 831, 0,
1853 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1855 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1856 1488, 1800, 0, 960, 961, 964, 1000, 0,
1857 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1858 /* 1280x1024@60Hz */
1859 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1860 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1861 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1863 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1864 1536, 1792, 0, 768, 771, 777, 795, 0,
1865 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1866 /* 1440x1050@60Hz */
1867 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1868 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1869 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1871 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1872 1672, 1904, 0, 900, 903, 909, 934, 0,
1873 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1874 /* 1600x1200@60Hz */
1875 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1876 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1877 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1878 /* 1680x1050@60Hz */
1879 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1880 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1881 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1882 /* 1792x1344@60Hz */
1883 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1884 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1885 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1886 /* 1853x1392@60Hz */
1887 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1888 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1889 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1890 /* 1920x1200@60Hz */
1891 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1892 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1893 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1894 /* 1920x1440@60Hz */
1895 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1896 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1897 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1898 /* 2560x1600@60Hz */
1899 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1900 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1901 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1903 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1907 * vmw_guess_mode_timing - Provide fake timings for a
1908 * 60Hz vrefresh mode.
1910 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1911 * members filled in.
1913 static void vmw_guess_mode_timing(struct drm_display_mode *mode)
1915 mode->hsync_start = mode->hdisplay + 50;
1916 mode->hsync_end = mode->hsync_start + 50;
1917 mode->htotal = mode->hsync_end + 50;
1919 mode->vsync_start = mode->vdisplay + 50;
1920 mode->vsync_end = mode->vsync_start + 50;
1921 mode->vtotal = mode->vsync_end + 50;
1923 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1924 mode->vrefresh = drm_mode_vrefresh(mode);
1928 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1929 uint32_t max_width, uint32_t max_height)
1931 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1932 struct drm_device *dev = connector->dev;
1933 struct vmw_private *dev_priv = vmw_priv(dev);
1934 struct drm_display_mode *mode = NULL;
1935 struct drm_display_mode *bmode;
1936 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1937 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1938 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1939 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1943 /* Add preferred mode */
1945 mode = drm_mode_duplicate(dev, &prefmode);
1948 mode->hdisplay = du->pref_width;
1949 mode->vdisplay = du->pref_height;
1950 vmw_guess_mode_timing(mode);
1952 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
1954 drm_mode_probed_add(connector, mode);
1956 drm_mode_destroy(dev, mode);
1960 if (du->pref_mode) {
1961 list_del_init(&du->pref_mode->head);
1962 drm_mode_destroy(dev, du->pref_mode);
1965 /* mode might be null here, this is intended */
1966 du->pref_mode = mode;
1969 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1970 bmode = &vmw_kms_connector_builtin[i];
1971 if (bmode->hdisplay > max_width ||
1972 bmode->vdisplay > max_height)
1975 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
1979 mode = drm_mode_duplicate(dev, bmode);
1982 mode->vrefresh = drm_mode_vrefresh(mode);
1984 drm_mode_probed_add(connector, mode);
1987 /* Move the prefered mode first, help apps pick the right mode. */
1989 list_move(&du->pref_mode->head, &connector->probed_modes);
1991 drm_mode_connector_list_update(connector);
1996 int vmw_du_connector_set_property(struct drm_connector *connector,
1997 struct drm_property *property,
2004 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
2005 struct drm_file *file_priv)
2007 struct vmw_private *dev_priv = vmw_priv(dev);
2008 struct drm_vmw_update_layout_arg *arg =
2009 (struct drm_vmw_update_layout_arg *)data;
2010 struct vmw_master *vmaster = vmw_master(file_priv->master);
2011 void __user *user_rects;
2012 struct drm_vmw_rect *rects;
2013 unsigned rects_size;
2016 struct drm_mode_config *mode_config = &dev->mode_config;
2018 ret = ttm_read_lock(&vmaster->lock, true);
2019 if (unlikely(ret != 0))
2022 if (!arg->num_outputs) {
2023 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
2024 vmw_du_update_layout(dev_priv, 1, &def_rect);
2028 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
2029 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
2031 if (unlikely(!rects)) {
2036 user_rects = (void __user *)(unsigned long)arg->rects;
2037 ret = copy_from_user(rects, user_rects, rects_size);
2038 if (unlikely(ret != 0)) {
2039 DRM_ERROR("Failed to get rects.\n");
2044 for (i = 0; i < arg->num_outputs; ++i) {
2045 if (rects[i].x < 0 ||
2047 rects[i].x + rects[i].w > mode_config->max_width ||
2048 rects[i].y + rects[i].h > mode_config->max_height) {
2049 DRM_ERROR("Invalid GUI layout.\n");
2055 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
2060 ttm_read_unlock(&vmaster->lock);