1 /**************************************************************************
3 * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "vmwgfx_kms.h"
31 /* Might need a hrtimer here? */
32 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
34 void vmw_du_cleanup(struct vmw_display_unit *du)
36 if (du->cursor_surface)
37 vmw_surface_unreference(&du->cursor_surface);
38 if (du->cursor_dmabuf)
39 vmw_dmabuf_unreference(&du->cursor_dmabuf);
40 drm_connector_unregister(&du->connector);
41 drm_crtc_cleanup(&du->crtc);
42 drm_encoder_cleanup(&du->encoder);
43 drm_connector_cleanup(&du->connector);
47 * Display Unit Cursor functions
50 int vmw_cursor_update_image(struct vmw_private *dev_priv,
51 u32 *image, u32 width, u32 height,
52 u32 hotspotX, u32 hotspotY)
56 SVGAFifoCmdDefineAlphaCursor cursor;
58 u32 image_size = width * height * 4;
59 u32 cmd_size = sizeof(*cmd) + image_size;
64 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
65 if (unlikely(cmd == NULL)) {
66 DRM_ERROR("Fifo reserve failed.\n");
70 memset(cmd, 0, sizeof(*cmd));
72 memcpy(&cmd[1], image, image_size);
74 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
76 cmd->cursor.width = width;
77 cmd->cursor.height = height;
78 cmd->cursor.hotspotX = hotspotX;
79 cmd->cursor.hotspotY = hotspotY;
81 vmw_fifo_commit_flush(dev_priv, cmd_size);
86 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
87 struct vmw_dma_buffer *dmabuf,
88 u32 width, u32 height,
89 u32 hotspotX, u32 hotspotY)
91 struct ttm_bo_kmap_obj map;
92 unsigned long kmap_offset;
93 unsigned long kmap_num;
99 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
101 ret = ttm_bo_reserve(&dmabuf->base, true, false, NULL);
102 if (unlikely(ret != 0)) {
103 DRM_ERROR("reserve failed\n");
107 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
108 if (unlikely(ret != 0))
111 virtual = ttm_kmap_obj_virtual(&map, &dummy);
112 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
117 ttm_bo_unreserve(&dmabuf->base);
123 void vmw_cursor_update_position(struct vmw_private *dev_priv,
124 bool show, int x, int y)
126 u32 *fifo_mem = dev_priv->mmio_virt;
129 vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
130 vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
131 vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
132 count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
133 vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
138 * vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback.
140 int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
141 uint32_t handle, uint32_t width, uint32_t height,
142 int32_t hot_x, int32_t hot_y)
144 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
145 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
146 struct vmw_surface *surface = NULL;
147 struct vmw_dma_buffer *dmabuf = NULL;
148 s32 hotspot_x, hotspot_y;
152 * FIXME: Unclear whether there's any global state touched by the
153 * cursor_set function, especially vmw_cursor_update_position looks
154 * suspicious. For now take the easy route and reacquire all locks. We
155 * can do this since the caller in the drm core doesn't check anything
156 * which is protected by any looks.
158 drm_modeset_unlock_crtc(crtc);
159 drm_modeset_lock_all(dev_priv->dev);
160 hotspot_x = hot_x + du->hotspot_x;
161 hotspot_y = hot_y + du->hotspot_y;
163 /* A lot of the code assumes this */
164 if (handle && (width != 64 || height != 64)) {
170 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
172 ret = vmw_user_lookup_handle(dev_priv, tfile,
173 handle, &surface, &dmabuf);
175 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
181 /* need to do this before taking down old image */
182 if (surface && !surface->snooper.image) {
183 DRM_ERROR("surface not suitable for cursor\n");
184 vmw_surface_unreference(&surface);
189 /* takedown old cursor */
190 if (du->cursor_surface) {
191 du->cursor_surface->snooper.crtc = NULL;
192 vmw_surface_unreference(&du->cursor_surface);
194 if (du->cursor_dmabuf)
195 vmw_dmabuf_unreference(&du->cursor_dmabuf);
197 /* setup new image */
200 /* vmw_user_surface_lookup takes one reference */
201 du->cursor_surface = surface;
203 du->cursor_surface->snooper.crtc = crtc;
204 du->cursor_age = du->cursor_surface->snooper.age;
205 ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
206 64, 64, hotspot_x, hotspot_y);
208 /* vmw_user_surface_lookup takes one reference */
209 du->cursor_dmabuf = dmabuf;
211 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
212 hotspot_x, hotspot_y);
214 vmw_cursor_update_position(dev_priv, false, 0, 0);
219 vmw_cursor_update_position(dev_priv, true,
220 du->cursor_x + hotspot_x,
221 du->cursor_y + hotspot_y);
222 du->core_hotspot_x = hot_x;
223 du->core_hotspot_y = hot_y;
227 drm_modeset_unlock_all(dev_priv->dev);
228 drm_modeset_lock_crtc(crtc, crtc->cursor);
233 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
235 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
236 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
237 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
239 du->cursor_x = x + du->set_gui_x;
240 du->cursor_y = y + du->set_gui_y;
243 * FIXME: Unclear whether there's any global state touched by the
244 * cursor_set function, especially vmw_cursor_update_position looks
245 * suspicious. For now take the easy route and reacquire all locks. We
246 * can do this since the caller in the drm core doesn't check anything
247 * which is protected by any looks.
249 drm_modeset_unlock_crtc(crtc);
250 drm_modeset_lock_all(dev_priv->dev);
252 vmw_cursor_update_position(dev_priv, shown,
253 du->cursor_x + du->hotspot_x +
255 du->cursor_y + du->hotspot_y +
258 drm_modeset_unlock_all(dev_priv->dev);
259 drm_modeset_lock_crtc(crtc, crtc->cursor);
264 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
265 struct ttm_object_file *tfile,
266 struct ttm_buffer_object *bo,
267 SVGA3dCmdHeader *header)
269 struct ttm_bo_kmap_obj map;
270 unsigned long kmap_offset;
271 unsigned long kmap_num;
277 SVGA3dCmdHeader header;
278 SVGA3dCmdSurfaceDMA dma;
282 cmd = container_of(header, struct vmw_dma_cmd, header);
284 /* No snooper installed */
285 if (!srf->snooper.image)
288 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
289 DRM_ERROR("face and mipmap for cursors should never != 0\n");
293 if (cmd->header.size < 64) {
294 DRM_ERROR("at least one full copy box must be given\n");
298 box = (SVGA3dCopyBox *)&cmd[1];
299 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
300 sizeof(SVGA3dCopyBox);
302 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
303 box->x != 0 || box->y != 0 || box->z != 0 ||
304 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
305 box->d != 1 || box_count != 1) {
306 /* TODO handle none page aligned offsets */
307 /* TODO handle more dst & src != 0 */
308 /* TODO handle more then one copy */
309 DRM_ERROR("Cant snoop dma request for cursor!\n");
310 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
311 box->srcx, box->srcy, box->srcz,
312 box->x, box->y, box->z,
313 box->w, box->h, box->d, box_count,
314 cmd->dma.guest.ptr.offset);
318 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
319 kmap_num = (64*64*4) >> PAGE_SHIFT;
321 ret = ttm_bo_reserve(bo, true, false, NULL);
322 if (unlikely(ret != 0)) {
323 DRM_ERROR("reserve failed\n");
327 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
328 if (unlikely(ret != 0))
331 virtual = ttm_kmap_obj_virtual(&map, &dummy);
333 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
334 memcpy(srf->snooper.image, virtual, 64*64*4);
336 /* Image is unsigned pointer. */
337 for (i = 0; i < box->h; i++)
338 memcpy(srf->snooper.image + i * 64,
339 virtual + i * cmd->dma.guest.pitch,
347 ttm_bo_unreserve(bo);
351 * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
353 * @dev_priv: Pointer to the device private struct.
355 * Clears all legacy hotspots.
357 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
359 struct drm_device *dev = dev_priv->dev;
360 struct vmw_display_unit *du;
361 struct drm_crtc *crtc;
363 drm_modeset_lock_all(dev);
364 drm_for_each_crtc(crtc, dev) {
365 du = vmw_crtc_to_du(crtc);
370 drm_modeset_unlock_all(dev);
373 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
375 struct drm_device *dev = dev_priv->dev;
376 struct vmw_display_unit *du;
377 struct drm_crtc *crtc;
379 mutex_lock(&dev->mode_config.mutex);
381 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
382 du = vmw_crtc_to_du(crtc);
383 if (!du->cursor_surface ||
384 du->cursor_age == du->cursor_surface->snooper.age)
387 du->cursor_age = du->cursor_surface->snooper.age;
388 vmw_cursor_update_image(dev_priv,
389 du->cursor_surface->snooper.image,
391 du->hotspot_x + du->core_hotspot_x,
392 du->hotspot_y + du->core_hotspot_y);
395 mutex_unlock(&dev->mode_config.mutex);
399 * Generic framebuffer code
403 * Surface framebuffer code
406 static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
408 struct vmw_framebuffer_surface *vfbs =
409 vmw_framebuffer_to_vfbs(framebuffer);
411 drm_framebuffer_cleanup(framebuffer);
412 vmw_surface_unreference(&vfbs->surface);
413 if (vfbs->base.user_obj)
414 ttm_base_object_unref(&vfbs->base.user_obj);
419 static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
420 struct drm_file *file_priv,
421 unsigned flags, unsigned color,
422 struct drm_clip_rect *clips,
425 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
426 struct vmw_framebuffer_surface *vfbs =
427 vmw_framebuffer_to_vfbs(framebuffer);
428 struct drm_clip_rect norect;
431 /* Legacy Display Unit does not support 3D */
432 if (dev_priv->active_display_unit == vmw_du_legacy)
435 drm_modeset_lock_all(dev_priv->dev);
437 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
438 if (unlikely(ret != 0)) {
439 drm_modeset_unlock_all(dev_priv->dev);
446 norect.x1 = norect.y1 = 0;
447 norect.x2 = framebuffer->width;
448 norect.y2 = framebuffer->height;
449 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
451 inc = 2; /* skip source rects */
454 if (dev_priv->active_display_unit == vmw_du_screen_object)
455 ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
456 clips, NULL, NULL, 0, 0,
457 num_clips, inc, NULL);
459 ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
460 clips, NULL, NULL, 0, 0,
461 num_clips, inc, NULL);
463 vmw_fifo_flush(dev_priv, false);
464 ttm_read_unlock(&dev_priv->reservation_sem);
466 drm_modeset_unlock_all(dev_priv->dev);
472 * vmw_kms_readback - Perform a readback from the screen system to
473 * a dma-buffer backed framebuffer.
475 * @dev_priv: Pointer to the device private structure.
476 * @file_priv: Pointer to a struct drm_file identifying the caller.
477 * Must be set to NULL if @user_fence_rep is NULL.
478 * @vfb: Pointer to the dma-buffer backed framebuffer.
479 * @user_fence_rep: User-space provided structure for fence information.
480 * Must be set to non-NULL if @file_priv is non-NULL.
481 * @vclips: Array of clip rects.
482 * @num_clips: Number of clip rects in @vclips.
484 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
487 int vmw_kms_readback(struct vmw_private *dev_priv,
488 struct drm_file *file_priv,
489 struct vmw_framebuffer *vfb,
490 struct drm_vmw_fence_rep __user *user_fence_rep,
491 struct drm_vmw_rect *vclips,
494 switch (dev_priv->active_display_unit) {
495 case vmw_du_screen_object:
496 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
497 user_fence_rep, vclips, num_clips);
498 case vmw_du_screen_target:
499 return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
500 user_fence_rep, NULL, vclips, num_clips,
504 "Readback called with invalid display system.\n");
511 static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
512 .destroy = vmw_framebuffer_surface_destroy,
513 .dirty = vmw_framebuffer_surface_dirty,
516 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
517 struct vmw_surface *surface,
518 struct vmw_framebuffer **out,
519 const struct drm_mode_fb_cmd2
521 bool is_dmabuf_proxy)
524 struct drm_device *dev = dev_priv->dev;
525 struct vmw_framebuffer_surface *vfbs;
526 enum SVGA3dSurfaceFormat format;
528 struct drm_format_name_buf format_name;
530 /* 3D is only supported on HWv8 and newer hosts */
531 if (dev_priv->active_display_unit == vmw_du_legacy)
538 /* Surface must be marked as a scanout. */
539 if (unlikely(!surface->scanout))
542 if (unlikely(surface->mip_levels[0] != 1 ||
543 surface->num_sizes != 1 ||
544 surface->base_size.width < mode_cmd->width ||
545 surface->base_size.height < mode_cmd->height ||
546 surface->base_size.depth != 1)) {
547 DRM_ERROR("Incompatible surface dimensions "
548 "for requested mode.\n");
552 switch (mode_cmd->pixel_format) {
553 case DRM_FORMAT_ARGB8888:
554 format = SVGA3D_A8R8G8B8;
556 case DRM_FORMAT_XRGB8888:
557 format = SVGA3D_X8R8G8B8;
559 case DRM_FORMAT_RGB565:
560 format = SVGA3D_R5G6B5;
562 case DRM_FORMAT_XRGB1555:
563 format = SVGA3D_A1R5G5B5;
566 DRM_ERROR("Invalid pixel format: %s\n",
567 drm_get_format_name(mode_cmd->pixel_format, &format_name));
572 * For DX, surface format validation is done when surface->scanout
575 if (!dev_priv->has_dx && format != surface->format) {
576 DRM_ERROR("Invalid surface format for requested mode.\n");
580 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
586 drm_helper_mode_fill_fb_struct(&vfbs->base.base, mode_cmd);
587 vfbs->surface = vmw_surface_reference(surface);
588 vfbs->base.user_handle = mode_cmd->handles[0];
589 vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
593 ret = drm_framebuffer_init(dev, &vfbs->base.base,
594 &vmw_framebuffer_surface_funcs);
601 vmw_surface_unreference(&surface);
608 * Dmabuf framebuffer code
611 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
613 struct vmw_framebuffer_dmabuf *vfbd =
614 vmw_framebuffer_to_vfbd(framebuffer);
616 drm_framebuffer_cleanup(framebuffer);
617 vmw_dmabuf_unreference(&vfbd->buffer);
618 if (vfbd->base.user_obj)
619 ttm_base_object_unref(&vfbd->base.user_obj);
624 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
625 struct drm_file *file_priv,
626 unsigned flags, unsigned color,
627 struct drm_clip_rect *clips,
630 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
631 struct vmw_framebuffer_dmabuf *vfbd =
632 vmw_framebuffer_to_vfbd(framebuffer);
633 struct drm_clip_rect norect;
634 int ret, increment = 1;
636 drm_modeset_lock_all(dev_priv->dev);
638 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
639 if (unlikely(ret != 0)) {
640 drm_modeset_unlock_all(dev_priv->dev);
647 norect.x1 = norect.y1 = 0;
648 norect.x2 = framebuffer->width;
649 norect.y2 = framebuffer->height;
650 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
655 switch (dev_priv->active_display_unit) {
656 case vmw_du_screen_target:
657 ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
658 clips, NULL, num_clips, increment,
661 case vmw_du_screen_object:
662 ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
663 clips, NULL, num_clips,
664 increment, true, NULL);
667 ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
668 clips, num_clips, increment);
672 WARN_ONCE(true, "Dirty called with invalid display system.\n");
676 vmw_fifo_flush(dev_priv, false);
677 ttm_read_unlock(&dev_priv->reservation_sem);
679 drm_modeset_unlock_all(dev_priv->dev);
684 static const struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
685 .destroy = vmw_framebuffer_dmabuf_destroy,
686 .dirty = vmw_framebuffer_dmabuf_dirty,
690 * Pin the dmabuffer to the start of vram.
692 static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
694 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
695 struct vmw_dma_buffer *buf;
698 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
699 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
704 switch (dev_priv->active_display_unit) {
706 vmw_overlay_pause_all(dev_priv);
707 ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
708 vmw_overlay_resume_all(dev_priv);
710 case vmw_du_screen_object:
711 case vmw_du_screen_target:
713 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
716 return vmw_dmabuf_pin_in_placement(dev_priv, buf,
717 &vmw_mob_placement, false);
725 static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
727 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
728 struct vmw_dma_buffer *buf;
730 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
731 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
736 return vmw_dmabuf_unpin(dev_priv, buf, false);
740 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
743 * @mode_cmd: parameters for the new surface
744 * @dmabuf_mob: MOB backing the DMA buf
745 * @srf_out: newly created surface
747 * When the content FB is a DMA buf, we create a surface as a proxy to the
748 * same buffer. This way we can do a surface copy rather than a surface DMA.
749 * This is a more efficient approach
752 * 0 on success, error code otherwise
754 static int vmw_create_dmabuf_proxy(struct drm_device *dev,
755 const struct drm_mode_fb_cmd2 *mode_cmd,
756 struct vmw_dma_buffer *dmabuf_mob,
757 struct vmw_surface **srf_out)
760 struct drm_vmw_size content_base_size;
761 struct vmw_resource *res;
762 unsigned int bytes_pp;
763 struct drm_format_name_buf format_name;
766 switch (mode_cmd->pixel_format) {
767 case DRM_FORMAT_ARGB8888:
768 case DRM_FORMAT_XRGB8888:
769 format = SVGA3D_X8R8G8B8;
773 case DRM_FORMAT_RGB565:
774 case DRM_FORMAT_XRGB1555:
775 format = SVGA3D_R5G6B5;
785 DRM_ERROR("Invalid framebuffer format %s\n",
786 drm_get_format_name(mode_cmd->pixel_format, &format_name));
790 content_base_size.width = mode_cmd->pitches[0] / bytes_pp;
791 content_base_size.height = mode_cmd->height;
792 content_base_size.depth = 1;
794 ret = vmw_surface_gb_priv_define(dev,
795 0, /* kernel visible only */
798 true, /* can be a scanout buffer */
799 1, /* num of mip levels */
805 DRM_ERROR("Failed to allocate proxy content buffer\n");
809 res = &(*srf_out)->res;
811 /* Reserve and switch the backing mob. */
812 mutex_lock(&res->dev_priv->cmdbuf_mutex);
813 (void) vmw_resource_reserve(res, false, true);
814 vmw_dmabuf_unreference(&res->backup);
815 res->backup = vmw_dmabuf_reference(dmabuf_mob);
816 res->backup_offset = 0;
817 vmw_resource_unreserve(res, false, NULL, 0);
818 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
825 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
826 struct vmw_dma_buffer *dmabuf,
827 struct vmw_framebuffer **out,
828 const struct drm_mode_fb_cmd2
832 struct drm_device *dev = dev_priv->dev;
833 struct vmw_framebuffer_dmabuf *vfbd;
834 unsigned int requested_size;
835 struct drm_format_name_buf format_name;
838 requested_size = mode_cmd->height * mode_cmd->pitches[0];
839 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
840 DRM_ERROR("Screen buffer object size is too small "
841 "for requested mode.\n");
845 /* Limited framebuffer color depth support for screen objects */
846 if (dev_priv->active_display_unit == vmw_du_screen_object) {
847 switch (mode_cmd->pixel_format) {
848 case DRM_FORMAT_XRGB8888:
849 case DRM_FORMAT_ARGB8888:
851 case DRM_FORMAT_XRGB1555:
852 case DRM_FORMAT_RGB565:
855 DRM_ERROR("Invalid pixel format: %s\n",
856 drm_get_format_name(mode_cmd->pixel_format, &format_name));
861 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
867 drm_helper_mode_fill_fb_struct(&vfbd->base.base, mode_cmd);
868 vfbd->base.dmabuf = true;
869 vfbd->buffer = vmw_dmabuf_reference(dmabuf);
870 vfbd->base.user_handle = mode_cmd->handles[0];
873 ret = drm_framebuffer_init(dev, &vfbd->base.base,
874 &vmw_framebuffer_dmabuf_funcs);
881 vmw_dmabuf_unreference(&dmabuf);
888 * vmw_kms_new_framebuffer - Create a new framebuffer.
890 * @dev_priv: Pointer to device private struct.
891 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
892 * Either @dmabuf or @surface must be NULL.
893 * @surface: Pointer to a surface to wrap the kms framebuffer around.
894 * Either @dmabuf or @surface must be NULL.
895 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
896 * Helps the code to do some important optimizations.
897 * @mode_cmd: Frame-buffer metadata.
899 struct vmw_framebuffer *
900 vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
901 struct vmw_dma_buffer *dmabuf,
902 struct vmw_surface *surface,
904 const struct drm_mode_fb_cmd2 *mode_cmd)
906 struct vmw_framebuffer *vfb = NULL;
907 bool is_dmabuf_proxy = false;
911 * We cannot use the SurfaceDMA command in an non-accelerated VM,
912 * therefore, wrap the DMA buf in a surface so we can use the
913 * SurfaceCopy command.
915 if (dmabuf && only_2d &&
916 dev_priv->active_display_unit == vmw_du_screen_target) {
917 ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
922 is_dmabuf_proxy = true;
925 /* Create the new framebuffer depending one what we have */
927 ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
932 * vmw_create_dmabuf_proxy() adds a reference that is no longer
936 vmw_surface_unreference(&surface);
938 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
947 vfb->pin = vmw_framebuffer_pin;
948 vfb->unpin = vmw_framebuffer_unpin;
954 * Generic Kernel modesetting functions
957 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
958 struct drm_file *file_priv,
959 const struct drm_mode_fb_cmd2 *mode_cmd)
961 struct vmw_private *dev_priv = vmw_priv(dev);
962 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
963 struct vmw_framebuffer *vfb = NULL;
964 struct vmw_surface *surface = NULL;
965 struct vmw_dma_buffer *bo = NULL;
966 struct ttm_base_object *user_obj;
970 * This code should be conditioned on Screen Objects not being used.
971 * If screen objects are used, we can allocate a GMR to hold the
972 * requested framebuffer.
975 if (!vmw_kms_validate_mode_vram(dev_priv,
976 mode_cmd->pitches[0],
978 DRM_ERROR("Requested mode exceed bounding box limit.\n");
979 return ERR_PTR(-ENOMEM);
983 * Take a reference on the user object of the resource
984 * backing the kms fb. This ensures that user-space handle
985 * lookups on that resource will always work as long as
986 * it's registered with a kms framebuffer. This is important,
987 * since vmw_execbuf_process identifies resources in the
988 * command stream using user-space handles.
991 user_obj = ttm_base_object_lookup(tfile, mode_cmd->handles[0]);
992 if (unlikely(user_obj == NULL)) {
993 DRM_ERROR("Could not locate requested kms frame buffer.\n");
994 return ERR_PTR(-ENOENT);
998 * End conditioned code.
1001 /* returns either a dmabuf or surface */
1002 ret = vmw_user_lookup_handle(dev_priv, tfile,
1003 mode_cmd->handles[0],
1008 vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
1009 !(dev_priv->capabilities & SVGA_CAP_3D),
1017 /* vmw_user_lookup_handle takes one ref so does new_fb */
1019 vmw_dmabuf_unreference(&bo);
1021 vmw_surface_unreference(&surface);
1024 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1025 ttm_base_object_unref(&user_obj);
1026 return ERR_PTR(ret);
1028 vfb->user_obj = user_obj;
1033 static const struct drm_mode_config_funcs vmw_kms_funcs = {
1034 .fb_create = vmw_kms_fb_create,
1037 static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1038 struct drm_file *file_priv,
1039 struct vmw_framebuffer *vfb,
1040 struct vmw_surface *surface,
1042 int32_t destX, int32_t destY,
1043 struct drm_vmw_rect *clips,
1046 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1047 &surface->res, destX, destY,
1048 num_clips, 1, NULL);
1052 int vmw_kms_present(struct vmw_private *dev_priv,
1053 struct drm_file *file_priv,
1054 struct vmw_framebuffer *vfb,
1055 struct vmw_surface *surface,
1057 int32_t destX, int32_t destY,
1058 struct drm_vmw_rect *clips,
1063 switch (dev_priv->active_display_unit) {
1064 case vmw_du_screen_target:
1065 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1066 &surface->res, destX, destY,
1067 num_clips, 1, NULL);
1069 case vmw_du_screen_object:
1070 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1071 sid, destX, destY, clips,
1076 "Present called with invalid display system.\n");
1083 vmw_fifo_flush(dev_priv, false);
1089 vmw_kms_create_hotplug_mode_update_property(struct vmw_private *dev_priv)
1091 if (dev_priv->hotplug_mode_update_property)
1094 dev_priv->hotplug_mode_update_property =
1095 drm_property_create_range(dev_priv->dev,
1096 DRM_MODE_PROP_IMMUTABLE,
1097 "hotplug_mode_update", 0, 1);
1099 if (!dev_priv->hotplug_mode_update_property)
1104 int vmw_kms_init(struct vmw_private *dev_priv)
1106 struct drm_device *dev = dev_priv->dev;
1109 drm_mode_config_init(dev);
1110 dev->mode_config.funcs = &vmw_kms_funcs;
1111 dev->mode_config.min_width = 1;
1112 dev->mode_config.min_height = 1;
1113 dev->mode_config.max_width = dev_priv->texture_max_width;
1114 dev->mode_config.max_height = dev_priv->texture_max_height;
1116 drm_mode_create_suggested_offset_properties(dev);
1117 vmw_kms_create_hotplug_mode_update_property(dev_priv);
1119 ret = vmw_kms_stdu_init_display(dev_priv);
1121 ret = vmw_kms_sou_init_display(dev_priv);
1122 if (ret) /* Fallback */
1123 ret = vmw_kms_ldu_init_display(dev_priv);
1129 int vmw_kms_close(struct vmw_private *dev_priv)
1134 * Docs says we should take the lock before calling this function
1135 * but since it destroys encoders and our destructor calls
1136 * drm_encoder_cleanup which takes the lock we deadlock.
1138 drm_mode_config_cleanup(dev_priv->dev);
1139 if (dev_priv->active_display_unit == vmw_du_screen_object)
1140 ret = vmw_kms_sou_close_display(dev_priv);
1141 else if (dev_priv->active_display_unit == vmw_du_screen_target)
1142 ret = vmw_kms_stdu_close_display(dev_priv);
1144 ret = vmw_kms_ldu_close_display(dev_priv);
1149 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1150 struct drm_file *file_priv)
1152 struct drm_vmw_cursor_bypass_arg *arg = data;
1153 struct vmw_display_unit *du;
1154 struct drm_crtc *crtc;
1158 mutex_lock(&dev->mode_config.mutex);
1159 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1161 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1162 du = vmw_crtc_to_du(crtc);
1163 du->hotspot_x = arg->xhot;
1164 du->hotspot_y = arg->yhot;
1167 mutex_unlock(&dev->mode_config.mutex);
1171 crtc = drm_crtc_find(dev, arg->crtc_id);
1177 du = vmw_crtc_to_du(crtc);
1179 du->hotspot_x = arg->xhot;
1180 du->hotspot_y = arg->yhot;
1183 mutex_unlock(&dev->mode_config.mutex);
1188 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1189 unsigned width, unsigned height, unsigned pitch,
1190 unsigned bpp, unsigned depth)
1192 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1193 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1194 else if (vmw_fifo_have_pitchlock(vmw_priv))
1195 vmw_mmio_write(pitch, vmw_priv->mmio_virt +
1196 SVGA_FIFO_PITCHLOCK);
1197 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1198 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1199 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1201 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1202 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1203 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1210 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1212 struct vmw_vga_topology_state *save;
1215 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1216 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1217 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1218 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1219 vmw_priv->vga_pitchlock =
1220 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1221 else if (vmw_fifo_have_pitchlock(vmw_priv))
1222 vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
1223 SVGA_FIFO_PITCHLOCK);
1225 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1228 vmw_priv->num_displays = vmw_read(vmw_priv,
1229 SVGA_REG_NUM_GUEST_DISPLAYS);
1231 if (vmw_priv->num_displays == 0)
1232 vmw_priv->num_displays = 1;
1234 for (i = 0; i < vmw_priv->num_displays; ++i) {
1235 save = &vmw_priv->vga_save[i];
1236 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1237 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1238 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1239 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1240 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1241 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1242 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1243 if (i == 0 && vmw_priv->num_displays == 1 &&
1244 save->width == 0 && save->height == 0) {
1247 * It should be fairly safe to assume that these
1248 * values are uninitialized.
1251 save->width = vmw_priv->vga_width - save->pos_x;
1252 save->height = vmw_priv->vga_height - save->pos_y;
1259 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1261 struct vmw_vga_topology_state *save;
1264 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1265 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1266 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1267 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1268 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1269 vmw_priv->vga_pitchlock);
1270 else if (vmw_fifo_have_pitchlock(vmw_priv))
1271 vmw_mmio_write(vmw_priv->vga_pitchlock,
1272 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1274 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1277 for (i = 0; i < vmw_priv->num_displays; ++i) {
1278 save = &vmw_priv->vga_save[i];
1279 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1280 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1281 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1282 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1283 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1284 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1285 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1291 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1295 return ((u64) pitch * (u64) height) < (u64)
1296 ((dev_priv->active_display_unit == vmw_du_screen_target) ?
1297 dev_priv->prim_bb_mem : dev_priv->vram_size);
1302 * Function called by DRM code called with vbl_lock held.
1304 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
1310 * Function called by DRM code called with vbl_lock held.
1312 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
1318 * Function called by DRM code called with vbl_lock held.
1320 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
1326 * Small shared kms functions.
1329 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1330 struct drm_vmw_rect *rects)
1332 struct drm_device *dev = dev_priv->dev;
1333 struct vmw_display_unit *du;
1334 struct drm_connector *con;
1336 mutex_lock(&dev->mode_config.mutex);
1342 DRM_INFO("%s: new layout ", __func__);
1343 for (i = 0; i < num; i++)
1344 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1345 rects[i].w, rects[i].h);
1350 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1351 du = vmw_connector_to_du(con);
1352 if (num > du->unit) {
1353 du->pref_width = rects[du->unit].w;
1354 du->pref_height = rects[du->unit].h;
1355 du->pref_active = true;
1356 du->gui_x = rects[du->unit].x;
1357 du->gui_y = rects[du->unit].y;
1358 drm_object_property_set_value
1359 (&con->base, dev->mode_config.suggested_x_property,
1361 drm_object_property_set_value
1362 (&con->base, dev->mode_config.suggested_y_property,
1365 du->pref_width = 800;
1366 du->pref_height = 600;
1367 du->pref_active = false;
1368 drm_object_property_set_value
1369 (&con->base, dev->mode_config.suggested_x_property,
1371 drm_object_property_set_value
1372 (&con->base, dev->mode_config.suggested_y_property,
1375 con->status = vmw_du_connector_detect(con, true);
1378 mutex_unlock(&dev->mode_config.mutex);
1379 drm_sysfs_hotplug_event(dev);
1384 int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1385 u16 *r, u16 *g, u16 *b,
1388 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1391 for (i = 0; i < size; i++) {
1392 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1394 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1395 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1396 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1402 int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1407 enum drm_connector_status
1408 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1410 uint32_t num_displays;
1411 struct drm_device *dev = connector->dev;
1412 struct vmw_private *dev_priv = vmw_priv(dev);
1413 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1415 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1417 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1419 connector_status_connected : connector_status_disconnected);
1422 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1424 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1425 752, 800, 0, 480, 489, 492, 525, 0,
1426 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1428 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1429 968, 1056, 0, 600, 601, 605, 628, 0,
1430 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1432 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1433 1184, 1344, 0, 768, 771, 777, 806, 0,
1434 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1436 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1437 1344, 1600, 0, 864, 865, 868, 900, 0,
1438 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1440 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1441 1472, 1664, 0, 768, 771, 778, 798, 0,
1442 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1444 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1445 1480, 1680, 0, 800, 803, 809, 831, 0,
1446 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1448 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1449 1488, 1800, 0, 960, 961, 964, 1000, 0,
1450 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1451 /* 1280x1024@60Hz */
1452 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1453 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1454 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1456 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1457 1536, 1792, 0, 768, 771, 777, 795, 0,
1458 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1459 /* 1440x1050@60Hz */
1460 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1461 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1462 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1464 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1465 1672, 1904, 0, 900, 903, 909, 934, 0,
1466 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1467 /* 1600x1200@60Hz */
1468 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1469 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1470 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1471 /* 1680x1050@60Hz */
1472 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1473 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1474 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1475 /* 1792x1344@60Hz */
1476 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1477 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1478 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479 /* 1853x1392@60Hz */
1480 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1481 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1482 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1483 /* 1920x1200@60Hz */
1484 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1485 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1486 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1487 /* 1920x1440@60Hz */
1488 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1489 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1490 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491 /* 2560x1600@60Hz */
1492 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1493 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1494 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1496 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1500 * vmw_guess_mode_timing - Provide fake timings for a
1501 * 60Hz vrefresh mode.
1503 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1504 * members filled in.
1506 void vmw_guess_mode_timing(struct drm_display_mode *mode)
1508 mode->hsync_start = mode->hdisplay + 50;
1509 mode->hsync_end = mode->hsync_start + 50;
1510 mode->htotal = mode->hsync_end + 50;
1512 mode->vsync_start = mode->vdisplay + 50;
1513 mode->vsync_end = mode->vsync_start + 50;
1514 mode->vtotal = mode->vsync_end + 50;
1516 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1517 mode->vrefresh = drm_mode_vrefresh(mode);
1521 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1522 uint32_t max_width, uint32_t max_height)
1524 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1525 struct drm_device *dev = connector->dev;
1526 struct vmw_private *dev_priv = vmw_priv(dev);
1527 struct drm_display_mode *mode = NULL;
1528 struct drm_display_mode *bmode;
1529 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1530 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1531 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1532 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1535 u32 assumed_bpp = 4;
1537 if (dev_priv->assume_16bpp)
1540 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1541 max_width = min(max_width, dev_priv->stdu_max_width);
1542 max_height = min(max_height, dev_priv->stdu_max_height);
1545 /* Add preferred mode */
1546 mode = drm_mode_duplicate(dev, &prefmode);
1549 mode->hdisplay = du->pref_width;
1550 mode->vdisplay = du->pref_height;
1551 vmw_guess_mode_timing(mode);
1553 if (vmw_kms_validate_mode_vram(dev_priv,
1554 mode->hdisplay * assumed_bpp,
1556 drm_mode_probed_add(connector, mode);
1558 drm_mode_destroy(dev, mode);
1562 if (du->pref_mode) {
1563 list_del_init(&du->pref_mode->head);
1564 drm_mode_destroy(dev, du->pref_mode);
1567 /* mode might be null here, this is intended */
1568 du->pref_mode = mode;
1570 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1571 bmode = &vmw_kms_connector_builtin[i];
1572 if (bmode->hdisplay > max_width ||
1573 bmode->vdisplay > max_height)
1576 if (!vmw_kms_validate_mode_vram(dev_priv,
1577 bmode->hdisplay * assumed_bpp,
1581 mode = drm_mode_duplicate(dev, bmode);
1584 mode->vrefresh = drm_mode_vrefresh(mode);
1586 drm_mode_probed_add(connector, mode);
1589 drm_mode_connector_list_update(connector);
1590 /* Move the prefered mode first, help apps pick the right mode. */
1591 drm_mode_sort(&connector->modes);
1596 int vmw_du_connector_set_property(struct drm_connector *connector,
1597 struct drm_property *property,
1600 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1601 struct vmw_private *dev_priv = vmw_priv(connector->dev);
1603 if (property == dev_priv->implicit_placement_property)
1604 du->is_implicit = val;
1610 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1611 struct drm_file *file_priv)
1613 struct vmw_private *dev_priv = vmw_priv(dev);
1614 struct drm_vmw_update_layout_arg *arg =
1615 (struct drm_vmw_update_layout_arg *)data;
1616 void __user *user_rects;
1617 struct drm_vmw_rect *rects;
1618 unsigned rects_size;
1621 u64 total_pixels = 0;
1622 struct drm_mode_config *mode_config = &dev->mode_config;
1623 struct drm_vmw_rect bounding_box = {0};
1625 if (!arg->num_outputs) {
1626 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
1627 vmw_du_update_layout(dev_priv, 1, &def_rect);
1631 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
1632 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
1634 if (unlikely(!rects))
1637 user_rects = (void __user *)(unsigned long)arg->rects;
1638 ret = copy_from_user(rects, user_rects, rects_size);
1639 if (unlikely(ret != 0)) {
1640 DRM_ERROR("Failed to get rects.\n");
1645 for (i = 0; i < arg->num_outputs; ++i) {
1646 if (rects[i].x < 0 ||
1648 rects[i].x + rects[i].w > mode_config->max_width ||
1649 rects[i].y + rects[i].h > mode_config->max_height) {
1650 DRM_ERROR("Invalid GUI layout.\n");
1656 * bounding_box.w and bunding_box.h are used as
1657 * lower-right coordinates
1659 if (rects[i].x + rects[i].w > bounding_box.w)
1660 bounding_box.w = rects[i].x + rects[i].w;
1662 if (rects[i].y + rects[i].h > bounding_box.h)
1663 bounding_box.h = rects[i].y + rects[i].h;
1665 total_pixels += (u64) rects[i].w * (u64) rects[i].h;
1668 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1670 * For Screen Targets, the limits for a toplogy are:
1671 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
1672 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
1674 u64 bb_mem = bounding_box.w * bounding_box.h * 4;
1675 u64 pixel_mem = total_pixels * 4;
1677 if (bb_mem > dev_priv->prim_bb_mem) {
1678 DRM_ERROR("Topology is beyond supported limits.\n");
1683 if (pixel_mem > dev_priv->prim_bb_mem) {
1684 DRM_ERROR("Combined output size too large\n");
1690 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
1698 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
1699 * on a set of cliprects and a set of display units.
1701 * @dev_priv: Pointer to a device private structure.
1702 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
1703 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
1704 * Cliprects are given in framebuffer coordinates.
1705 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
1706 * be NULL. Cliprects are given in source coordinates.
1707 * @dest_x: X coordinate offset for the crtc / destination clip rects.
1708 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
1709 * @num_clips: Number of cliprects in the @clips or @vclips array.
1710 * @increment: Integer with which to increment the clip counter when looping.
1711 * Used to skip a predetermined number of clip rects.
1712 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
1714 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
1715 struct vmw_framebuffer *framebuffer,
1716 const struct drm_clip_rect *clips,
1717 const struct drm_vmw_rect *vclips,
1718 s32 dest_x, s32 dest_y,
1721 struct vmw_kms_dirty *dirty)
1723 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1724 struct drm_crtc *crtc;
1728 dirty->dev_priv = dev_priv;
1730 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1731 if (crtc->primary->fb != &framebuffer->base)
1733 units[num_units++] = vmw_crtc_to_du(crtc);
1736 for (k = 0; k < num_units; k++) {
1737 struct vmw_display_unit *unit = units[k];
1738 s32 crtc_x = unit->crtc.x;
1739 s32 crtc_y = unit->crtc.y;
1740 s32 crtc_width = unit->crtc.mode.hdisplay;
1741 s32 crtc_height = unit->crtc.mode.vdisplay;
1742 const struct drm_clip_rect *clips_ptr = clips;
1743 const struct drm_vmw_rect *vclips_ptr = vclips;
1746 if (dirty->fifo_reserve_size > 0) {
1747 dirty->cmd = vmw_fifo_reserve(dev_priv,
1748 dirty->fifo_reserve_size);
1750 DRM_ERROR("Couldn't reserve fifo space "
1751 "for dirty blits.\n");
1754 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
1756 dirty->num_hits = 0;
1757 for (i = 0; i < num_clips; i++, clips_ptr += increment,
1758 vclips_ptr += increment) {
1763 * Select clip array type. Note that integer type
1764 * in @clips is unsigned short, whereas in @vclips
1768 dirty->fb_x = (s32) clips_ptr->x1;
1769 dirty->fb_y = (s32) clips_ptr->y1;
1770 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
1772 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
1775 dirty->fb_x = vclips_ptr->x;
1776 dirty->fb_y = vclips_ptr->y;
1777 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
1779 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
1783 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
1784 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
1786 /* Skip this clip if it's outside the crtc region */
1787 if (dirty->unit_x1 >= crtc_width ||
1788 dirty->unit_y1 >= crtc_height ||
1789 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
1792 /* Clip right and bottom to crtc limits */
1793 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
1795 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
1798 /* Clip left and top to crtc limits */
1799 clip_left = min_t(s32, dirty->unit_x1, 0);
1800 clip_top = min_t(s32, dirty->unit_y1, 0);
1801 dirty->unit_x1 -= clip_left;
1802 dirty->unit_y1 -= clip_top;
1803 dirty->fb_x -= clip_left;
1804 dirty->fb_y -= clip_top;
1809 dirty->fifo_commit(dirty);
1816 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
1817 * command submission.
1819 * @dev_priv. Pointer to a device private structure.
1820 * @buf: The buffer object
1821 * @interruptible: Whether to perform waits as interruptible.
1822 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
1823 * The buffer will be validated as a GMR. Already pinned buffers will not be
1826 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
1827 * interrupted by a signal.
1829 int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
1830 struct vmw_dma_buffer *buf,
1832 bool validate_as_mob)
1834 struct ttm_buffer_object *bo = &buf->base;
1837 ttm_bo_reserve(bo, false, false, NULL);
1838 ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
1841 ttm_bo_unreserve(bo);
1847 * vmw_kms_helper_buffer_revert - Undo the actions of
1848 * vmw_kms_helper_buffer_prepare.
1850 * @res: Pointer to the buffer object.
1852 * Helper to be used if an error forces the caller to undo the actions of
1853 * vmw_kms_helper_buffer_prepare.
1855 void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
1858 ttm_bo_unreserve(&buf->base);
1862 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
1863 * kms command submission.
1865 * @dev_priv: Pointer to a device private structure.
1866 * @file_priv: Pointer to a struct drm_file representing the caller's
1867 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
1868 * if non-NULL, @user_fence_rep must be non-NULL.
1869 * @buf: The buffer object.
1870 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1871 * ref-counted fence pointer is returned here.
1872 * @user_fence_rep: Optional pointer to a user-space provided struct
1873 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
1874 * function copies fence data to user-space in a fail-safe manner.
1876 void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
1877 struct drm_file *file_priv,
1878 struct vmw_dma_buffer *buf,
1879 struct vmw_fence_obj **out_fence,
1880 struct drm_vmw_fence_rep __user *
1883 struct vmw_fence_obj *fence;
1887 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
1888 file_priv ? &handle : NULL);
1890 vmw_fence_single_bo(&buf->base, fence);
1892 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
1893 ret, user_fence_rep, fence,
1898 vmw_fence_obj_unreference(&fence);
1900 vmw_kms_helper_buffer_revert(buf);
1905 * vmw_kms_helper_resource_revert - Undo the actions of
1906 * vmw_kms_helper_resource_prepare.
1908 * @res: Pointer to the resource. Typically a surface.
1910 * Helper to be used if an error forces the caller to undo the actions of
1911 * vmw_kms_helper_resource_prepare.
1913 void vmw_kms_helper_resource_revert(struct vmw_resource *res)
1915 vmw_kms_helper_buffer_revert(res->backup);
1916 vmw_resource_unreserve(res, false, NULL, 0);
1917 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1921 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
1922 * command submission.
1924 * @res: Pointer to the resource. Typically a surface.
1925 * @interruptible: Whether to perform waits as interruptible.
1927 * Reserves and validates also the backup buffer if a guest-backed resource.
1928 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
1929 * interrupted by a signal.
1931 int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
1937 ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
1939 mutex_lock(&res->dev_priv->cmdbuf_mutex);
1941 if (unlikely(ret != 0))
1942 return -ERESTARTSYS;
1944 ret = vmw_resource_reserve(res, interruptible, false);
1949 ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
1951 res->dev_priv->has_mob);
1955 ret = vmw_resource_validate(res);
1961 vmw_kms_helper_buffer_revert(res->backup);
1963 vmw_resource_unreserve(res, false, NULL, 0);
1965 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1970 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
1971 * kms command submission.
1973 * @res: Pointer to the resource. Typically a surface.
1974 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1975 * ref-counted fence pointer is returned here.
1977 void vmw_kms_helper_resource_finish(struct vmw_resource *res,
1978 struct vmw_fence_obj **out_fence)
1980 if (res->backup || out_fence)
1981 vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
1984 vmw_resource_unreserve(res, false, NULL, 0);
1985 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1989 * vmw_kms_update_proxy - Helper function to update a proxy surface from
1992 * @res: Pointer to the surface resource
1993 * @clips: Clip rects in framebuffer (surface) space.
1994 * @num_clips: Number of clips in @clips.
1995 * @increment: Integer with which to increment the clip counter when looping.
1996 * Used to skip a predetermined number of clip rects.
1998 * This function makes sure the proxy surface is updated from its backing MOB
1999 * using the region given by @clips. The surface resource @res and its backing
2000 * MOB needs to be reserved and validated on call.
2002 int vmw_kms_update_proxy(struct vmw_resource *res,
2003 const struct drm_clip_rect *clips,
2007 struct vmw_private *dev_priv = res->dev_priv;
2008 struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
2010 SVGA3dCmdHeader header;
2011 SVGA3dCmdUpdateGBImage body;
2014 size_t copy_size = 0;
2020 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
2022 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
2027 for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
2028 box = &cmd->body.box;
2030 cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
2031 cmd->header.size = sizeof(cmd->body);
2032 cmd->body.image.sid = res->id;
2033 cmd->body.image.face = 0;
2034 cmd->body.image.mipmap = 0;
2036 if (clips->x1 > size->width || clips->x2 > size->width ||
2037 clips->y1 > size->height || clips->y2 > size->height) {
2038 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
2045 box->w = clips->x2 - clips->x1;
2046 box->h = clips->y2 - clips->y1;
2049 copy_size += sizeof(*cmd);
2052 vmw_fifo_commit(dev_priv, copy_size);
2057 int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
2061 struct drm_connector **p_con,
2062 struct drm_crtc **p_crtc,
2063 struct drm_display_mode **p_mode)
2065 struct drm_connector *con;
2066 struct vmw_display_unit *du;
2067 struct drm_display_mode *mode;
2070 list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
2079 DRM_ERROR("Could not find initial display unit.\n");
2083 if (list_empty(&con->modes))
2084 (void) vmw_du_connector_fill_modes(con, max_width, max_height);
2086 if (list_empty(&con->modes)) {
2087 DRM_ERROR("Could not find initial display mode.\n");
2091 du = vmw_connector_to_du(con);
2093 *p_crtc = &du->crtc;
2095 list_for_each_entry(mode, &con->modes, head) {
2096 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2100 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2103 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2104 *p_mode = list_first_entry(&con->modes,
2105 struct drm_display_mode,
2113 * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
2115 * @dev_priv: Pointer to a device private struct.
2116 * @du: The display unit of the crtc.
2118 void vmw_kms_del_active(struct vmw_private *dev_priv,
2119 struct vmw_display_unit *du)
2121 mutex_lock(&dev_priv->global_kms_state_mutex);
2122 if (du->active_implicit) {
2123 if (--(dev_priv->num_implicit) == 0)
2124 dev_priv->implicit_fb = NULL;
2125 du->active_implicit = false;
2127 mutex_unlock(&dev_priv->global_kms_state_mutex);
2131 * vmw_kms_add_active - register a crtc binding to an implicit framebuffer
2133 * @vmw_priv: Pointer to a device private struct.
2134 * @du: The display unit of the crtc.
2135 * @vfb: The implicit framebuffer
2137 * Registers a binding to an implicit framebuffer.
2139 void vmw_kms_add_active(struct vmw_private *dev_priv,
2140 struct vmw_display_unit *du,
2141 struct vmw_framebuffer *vfb)
2143 mutex_lock(&dev_priv->global_kms_state_mutex);
2144 WARN_ON_ONCE(!dev_priv->num_implicit && dev_priv->implicit_fb);
2146 if (!du->active_implicit && du->is_implicit) {
2147 dev_priv->implicit_fb = vfb;
2148 du->active_implicit = true;
2149 dev_priv->num_implicit++;
2151 mutex_unlock(&dev_priv->global_kms_state_mutex);
2155 * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
2157 * @dev_priv: Pointer to device-private struct.
2158 * @crtc: The crtc we want to flip.
2160 * Returns true or false depending whether it's OK to flip this crtc
2161 * based on the criterion that we must not have more than one implicit
2162 * frame-buffer at any one time.
2164 bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
2165 struct drm_crtc *crtc)
2167 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
2170 mutex_lock(&dev_priv->global_kms_state_mutex);
2171 ret = !du->is_implicit || dev_priv->num_implicit == 1;
2172 mutex_unlock(&dev_priv->global_kms_state_mutex);
2178 * vmw_kms_update_implicit_fb - Update the implicit fb.
2180 * @dev_priv: Pointer to device-private struct.
2181 * @crtc: The crtc the new implicit frame-buffer is bound to.
2183 void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
2184 struct drm_crtc *crtc)
2186 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
2187 struct vmw_framebuffer *vfb;
2189 mutex_lock(&dev_priv->global_kms_state_mutex);
2191 if (!du->is_implicit)
2194 vfb = vmw_framebuffer_to_vfb(crtc->primary->fb);
2195 WARN_ON_ONCE(dev_priv->num_implicit != 1 &&
2196 dev_priv->implicit_fb != vfb);
2198 dev_priv->implicit_fb = vfb;
2200 mutex_unlock(&dev_priv->global_kms_state_mutex);
2204 * vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
2207 * @dev_priv: Pointer to a device private struct.
2208 * @immutable: Whether the property is immutable.
2210 * Sets up the implicit placement property unless it's already set up.
2213 vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
2216 if (dev_priv->implicit_placement_property)
2219 dev_priv->implicit_placement_property =
2220 drm_property_create_range(dev_priv->dev,
2222 DRM_MODE_PROP_IMMUTABLE : 0,
2223 "implicit_placement", 0, 1);