/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
-
-
-/**
- * Clip @num_rects number of @rects against @clip storing the
- * results in @out_rects and the number of passed rects in @out_num.
- */
-void vmw_clip_cliprects(struct drm_clip_rect *rects,
- int num_rects,
- struct vmw_clip_rect clip,
- SVGASignedRect *out_rects,
- int *out_num)
-{
- int i, k;
-
- for (i = 0, k = 0; i < num_rects; i++) {
- int x1 = max_t(int, clip.x1, rects[i].x1);
- int y1 = max_t(int, clip.y1, rects[i].y1);
- int x2 = min_t(int, clip.x2, rects[i].x2);
- int y2 = min_t(int, clip.y2, rects[i].y2);
-
- if (x1 >= x2)
- continue;
- if (y1 >= y2)
- continue;
-
- out_rects[k].left = x1;
- out_rects[k].top = y1;
- out_rects[k].right = x2;
- out_rects[k].bottom = y2;
- k++;
- }
-
- *out_num = k;
-}
-
void vmw_du_cleanup(struct vmw_display_unit *du)
{
if (du->cursor_surface)
}
if (dev_priv->active_display_unit == vmw_du_screen_object)
- ret = vmw_kms_sou_do_surface_dirty(dev_priv, file_priv,
- &vfbs->base,
- flags, color,
- clips, num_clips,
- inc, NULL);
+ ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
+ clips, NULL, NULL, 0, 0,
+ num_clips, inc, NULL);
else
ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv,
&vfbs->base,
return 0;
}
+/**
+ * vmw_kms_readback - Perform a readback from the screen system to
+ * a dma-buffer backed framebuffer.
+ *
+ * @dev_priv: Pointer to the device private structure.
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * Must be set to NULL if @user_fence_rep is NULL.
+ * @vfb: Pointer to the dma-buffer backed framebuffer.
+ * @user_fence_rep: User-space provided structure for fence information.
+ * Must be set to non-NULL if @file_priv is non-NULL.
+ * @vclips: Array of clip rects.
+ * @num_clips: Number of clip rects in @vclips.
+ *
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
+ */
+int vmw_kms_readback(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_framebuffer *vfb,
+ struct drm_vmw_fence_rep __user *user_fence_rep,
+ struct drm_vmw_rect *vclips,
+ uint32_t num_clips)
+{
+ switch (dev_priv->active_display_unit) {
+ case vmw_du_screen_object:
+ return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
+ user_fence_rep, vclips, num_clips);
+ default:
+ WARN_ONCE(true,
+ "Readback called with invalid display system.\n");
+ }
+
+ return -ENOSYS;
+}
+
+
static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
.destroy = vmw_framebuffer_surface_destroy,
.dirty = vmw_framebuffer_surface_dirty,
flags, color,
clips, num_clips, increment);
} else if (dev_priv->active_display_unit == vmw_du_screen_object) {
- ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv,
- &vfbd->base,
- flags, color,
+ ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
clips, num_clips, increment,
+ true,
NULL);
} else {
ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv,
struct drm_vmw_rect *clips,
uint32_t num_clips)
{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *tmp;
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, k, num_units;
- int ret = 0; /* silence warning */
- int left, right, top, bottom;
-
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdBlitSurfaceToScreen body;
- } *cmd;
- SVGASignedRect *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &vfb->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(surface == NULL);
- BUG_ON(!clips || !num_clips);
-
- tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
- if (unlikely(tmp == NULL)) {
- DRM_ERROR("Temporary cliprect memory alloc failed.\n");
- return -ENOMEM;
- }
-
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary fifo memory.\n");
- ret = -ENOMEM;
- goto out_free_tmp;
- }
-
- left = clips->x;
- right = clips->x + clips->w;
- top = clips->y;
- bottom = clips->y + clips->h;
-
- for (i = 1; i < num_clips; i++) {
- left = min_t(int, left, (int)clips[i].x);
- right = max_t(int, right, (int)clips[i].x + clips[i].w);
- top = min_t(int, top, (int)clips[i].y);
- bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
- }
-
- /* only need to do this once */
- memset(cmd, 0, fifo_size);
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
-
- blits = (SVGASignedRect *)&cmd[1];
-
- cmd->body.srcRect.left = left;
- cmd->body.srcRect.right = right;
- cmd->body.srcRect.top = top;
- cmd->body.srcRect.bottom = bottom;
-
- for (i = 0; i < num_clips; i++) {
- tmp[i].x1 = clips[i].x - left;
- tmp[i].x2 = clips[i].x + clips[i].w - left;
- tmp[i].y1 = clips[i].y - top;
- tmp[i].y2 = clips[i].y + clips[i].h - top;
- }
-
- for (k = 0; k < num_units; k++) {
- struct vmw_display_unit *unit = units[k];
- struct vmw_clip_rect clip;
- int num;
-
- clip.x1 = left + destX - unit->crtc.x;
- clip.y1 = top + destY - unit->crtc.y;
- clip.x2 = right + destX - unit->crtc.x;
- clip.y2 = bottom + destY - unit->crtc.y;
-
- /* skip any crtcs that misses the clip region */
- if (clip.x1 >= unit->crtc.mode.hdisplay ||
- clip.y1 >= unit->crtc.mode.vdisplay ||
- clip.x2 <= 0 || clip.y2 <= 0)
- continue;
-
- /*
- * In order for the clip rects to be correctly scaled
- * the src and dest rects needs to be the same size.
- */
- cmd->body.destRect.left = clip.x1;
- cmd->body.destRect.right = clip.x2;
- cmd->body.destRect.top = clip.y1;
- cmd->body.destRect.bottom = clip.y2;
-
- /* create a clip rect of the crtc in dest coords */
- clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
- clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
- clip.x1 = 0 - clip.x1;
- clip.y1 = 0 - clip.y1;
-
- /* need to reset sid as it is changed by execbuf */
- cmd->body.srcImage.sid = sid;
- cmd->body.destScreenId = unit->unit;
-
- /* clip and write blits to cmd stream */
- vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-
- /* if no cliprects hit skip this */
- if (num == 0)
- continue;
-
- /* recalculate package length */
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, 0, NULL, NULL);
-
- if (unlikely(ret != 0))
- break;
- }
-
- kfree(cmd);
-out_free_tmp:
- kfree(tmp);
-
- return ret;
+ return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
+ &surface->res, destX, destY,
+ num_clips, 1, NULL);
}
int vmw_kms_present(struct vmw_private *dev_priv,
return 0;
}
-int vmw_kms_readback(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
- struct vmw_framebuffer *vfb,
- struct drm_vmw_fence_rep __user *user_fence_rep,
- struct drm_vmw_rect *clips,
- uint32_t num_clips)
-{
- struct vmw_framebuffer_dmabuf *vfbd =
- vmw_framebuffer_to_vfbd(&vfb->base);
- struct vmw_dma_buffer *dmabuf = vfbd->buffer;
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, k, ret, num_units, blits_pos;
-
- struct {
- uint32_t header;
- SVGAFifoCmdDefineGMRFB body;
- } *cmd;
- struct {
- uint32_t header;
- SVGAFifoCmdBlitScreenToGMRFB body;
- } *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &vfb->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(dmabuf == NULL);
- BUG_ON(!clips || !num_clips);
-
- /* take a safe guess at fifo size */
- fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary fifo memory.\n");
- return -ENOMEM;
- }
-
- memset(cmd, 0, fifo_size);
- cmd->header = SVGA_CMD_DEFINE_GMRFB;
- cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
- cmd->body.format.colorDepth = vfb->base.depth;
- cmd->body.format.reserved = 0;
- cmd->body.bytesPerLine = vfb->base.pitches[0];
- cmd->body.ptr.gmrId = vfb->user_handle;
- cmd->body.ptr.offset = 0;
-
- blits = (void *)&cmd[1];
- blits_pos = 0;
- for (i = 0; i < num_units; i++) {
- struct drm_vmw_rect *c = clips;
- for (k = 0; k < num_clips; k++, c++) {
- /* transform clip coords to crtc origin based coords */
- int clip_x1 = c->x - units[i]->crtc.x;
- int clip_x2 = c->x - units[i]->crtc.x + c->w;
- int clip_y1 = c->y - units[i]->crtc.y;
- int clip_y2 = c->y - units[i]->crtc.y + c->h;
- int dest_x = c->x;
- int dest_y = c->y;
-
- /* compensate for clipping, we negate
- * a negative number and add that.
- */
- if (clip_x1 < 0)
- dest_x += -clip_x1;
- if (clip_y1 < 0)
- dest_y += -clip_y1;
-
- /* clip */
- clip_x1 = max(clip_x1, 0);
- clip_y1 = max(clip_y1, 0);
- clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
- clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
-
- /* and cull any rects that misses the crtc */
- if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
- clip_y1 >= units[i]->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
- continue;
-
- blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
- blits[blits_pos].body.srcScreenId = units[i]->unit;
- blits[blits_pos].body.destOrigin.x = dest_x;
- blits[blits_pos].body.destOrigin.y = dest_y;
-
- blits[blits_pos].body.srcRect.left = clip_x1;
- blits[blits_pos].body.srcRect.top = clip_y1;
- blits[blits_pos].body.srcRect.right = clip_x2;
- blits[blits_pos].body.srcRect.bottom = clip_y2;
- blits_pos++;
- }
- }
- /* reset size here and use calculated exact size from loops */
- fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
-
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
- 0, 0, user_fence_rep, NULL);
-
- kfree(cmd);
-
- return ret;
-}
-
int vmw_kms_init(struct vmw_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
#define vmw_connector_to_sou(x) \
container_of(x, struct vmw_screen_object_unit, base.connector)
+/**
+ * struct vmw_kms_sou_surface_dirty - Closure structure for
+ * blit surface to screen command.
+ * @base: The base type we derive from. Used by vmw_kms_helper_dirty().
+ * @left: Left side of bounding box.
+ * @right: Right side of bounding box.
+ * @top: Top side of bounding box.
+ * @bottom: Bottom side of bounding box.
+ * @dst_x: Difference between source clip rects and framebuffer coordinates.
+ * @dst_y: Difference between source clip rects and framebuffer coordinates.
+ * @sid: Surface id of surface to copy from.
+ */
+struct vmw_kms_sou_surface_dirty {
+ struct vmw_kms_dirty base;
+ s32 left, right, top, bottom;
+ s32 dst_x, dst_y;
+ u32 sid;
+};
+
+/*
+ * SVGA commands that are used by this code. Please see the device headers
+ * for explanation.
+ */
+struct vmw_kms_sou_readback_blit {
+ uint32 header;
+ SVGAFifoCmdBlitScreenToGMRFB body;
+};
+
+struct vmw_kms_sou_dmabuf_blit {
+ uint32 header;
+ SVGAFifoCmdBlitGMRFBToScreen body;
+};
+
+struct vmw_kms_sou_dirty_cmd {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdBlitSurfaceToScreen body;
+};
+
+
+/*
+ * Other structs.
+ */
+
struct vmw_screen_object_display {
unsigned num_implicit;
struct vmw_framebuffer *implicit_fb;
+ SVGAFifoCmdDefineGMRFB cur;
+ struct vmw_dma_buffer *pinned_gmrfb;
};
/**
static void vmw_sou_backing_free(struct vmw_private *dev_priv,
struct vmw_screen_object_unit *sou)
{
- struct ttm_buffer_object *bo;
-
- if (unlikely(sou->buffer == NULL))
- return;
-
- bo = &sou->buffer->base;
- ttm_bo_unref(&bo);
- sou->buffer = NULL;
+ vmw_dmabuf_unreference(&sou->buffer);
sou->buffer_size = 0;
}
struct vmw_private *dev_priv = vmw_priv(crtc->dev);
struct drm_framebuffer *old_fb = crtc->primary->fb;
struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
- struct drm_file *file_priv = event->base.file_priv;
struct vmw_fence_obj *fence = NULL;
struct drm_clip_rect clips;
int ret;
clips.y2 = fb->height;
if (vfb->dmabuf)
- ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv, vfb,
- 0, 0, &clips, 1, 1, &fence);
+ ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb,
+ &clips, 1, 1,
+ true, &fence);
else
- ret = vmw_kms_sou_do_surface_dirty(dev_priv, file_priv, vfb,
- 0, 0, &clips, 1, 1, &fence);
+ ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb,
+ &clips, NULL, NULL,
+ 0, 0, 1, 1, &fence);
if (ret != 0)
goto out_no_fence;
}
- ret = vmw_event_fence_action_queue(file_priv, fence,
- &event->base,
- &event->event.tv_sec,
- &event->event.tv_usec,
- true);
+ if (event) {
+ struct drm_file *file_priv = event->base.file_priv;
+
+ ret = vmw_event_fence_action_queue(file_priv, fence,
+ &event->base,
+ &event->event.tv_sec,
+ &event->event.tv_usec,
+ true);
+ }
/*
* No need to hold on to this now. The only cleanup
return ret;
}
-int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned flags, unsigned color,
- struct drm_clip_rect *clips,
- unsigned num_clips, int inc,
- struct vmw_fence_obj **out_fence)
-{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *clips_ptr;
- struct drm_clip_rect *tmp;
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, num_units;
- int ret = 0; /* silence warning */
- int left, right, top, bottom;
-
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdBlitSurfaceToScreen body;
- } *cmd;
- SVGASignedRect *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
- head) {
- if (crtc->primary->fb != &framebuffer->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(!clips || !num_clips);
-
- tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
- if (unlikely(tmp == NULL)) {
- DRM_ERROR("Temporary cliprect memory alloc failed.\n");
- return -ENOMEM;
- }
-
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
- cmd = kzalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Temporary fifo memory alloc failed.\n");
- ret = -ENOMEM;
- goto out_free_tmp;
- }
-
- /* setup blits pointer */
- blits = (SVGASignedRect *)&cmd[1];
-
- /* initial clip region */
- left = clips->x1;
- right = clips->x2;
- top = clips->y1;
- bottom = clips->y2;
-
- /* skip the first clip rect */
- for (i = 1, clips_ptr = clips + inc;
- i < num_clips; i++, clips_ptr += inc) {
- left = min_t(int, left, (int)clips_ptr->x1);
- right = max_t(int, right, (int)clips_ptr->x2);
- top = min_t(int, top, (int)clips_ptr->y1);
- bottom = max_t(int, bottom, (int)clips_ptr->y2);
- }
-
- /* only need to do this once */
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
-
- cmd->body.srcRect.left = left;
- cmd->body.srcRect.right = right;
- cmd->body.srcRect.top = top;
- cmd->body.srcRect.bottom = bottom;
-
- clips_ptr = clips;
- for (i = 0; i < num_clips; i++, clips_ptr += inc) {
- tmp[i].x1 = clips_ptr->x1 - left;
- tmp[i].x2 = clips_ptr->x2 - left;
- tmp[i].y1 = clips_ptr->y1 - top;
- tmp[i].y2 = clips_ptr->y2 - top;
- }
-
- /* do per unit writing, reuse fifo for each */
- for (i = 0; i < num_units; i++) {
- struct vmw_display_unit *unit = units[i];
- struct vmw_clip_rect clip;
- int num;
-
- clip.x1 = left - unit->crtc.x;
- clip.y1 = top - unit->crtc.y;
- clip.x2 = right - unit->crtc.x;
- clip.y2 = bottom - unit->crtc.y;
-
- /* skip any crtcs that misses the clip region */
- if (clip.x1 >= unit->crtc.mode.hdisplay ||
- clip.y1 >= unit->crtc.mode.vdisplay ||
- clip.x2 <= 0 || clip.y2 <= 0)
- continue;
-
- /*
- * In order for the clip rects to be correctly scaled
- * the src and dest rects needs to be the same size.
- */
- cmd->body.destRect.left = clip.x1;
- cmd->body.destRect.right = clip.x2;
- cmd->body.destRect.top = clip.y1;
- cmd->body.destRect.bottom = clip.y2;
-
- /* create a clip rect of the crtc in dest coords */
- clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
- clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
- clip.x1 = 0 - clip.x1;
- clip.y1 = 0 - clip.y1;
-
- /* need to reset sid as it is changed by execbuf */
- cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
- cmd->body.destScreenId = unit->unit;
-
- /* clip and write blits to cmd stream */
- vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-
- /* if no cliprects hit skip this */
- if (num == 0)
- continue;
-
- /* only return the last fence */
- if (out_fence && *out_fence)
- vmw_fence_obj_unreference(out_fence);
-
- /* recalculate package length */
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, 0, NULL, out_fence);
-
- if (unlikely(ret != 0))
- break;
- }
-
-
- kfree(cmd);
-out_free_tmp:
- kfree(tmp);
-
- return ret;
-}
-
static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = {
.save = vmw_du_crtc_save,
.restore = vmw_du_crtc_restore,
return 0;
}
-static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
- struct vmw_private *dev_priv,
+static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer)
{
+ struct vmw_dma_buffer *buf =
+ container_of(framebuffer, struct vmw_framebuffer_dmabuf,
+ base)->buffer;
int depth = framebuffer->base.depth;
- size_t fifo_size;
- int ret;
-
struct {
uint32_t header;
SVGAFifoCmdDefineGMRFB body;
if (depth == 32)
depth = 24;
- fifo_size = sizeof(*cmd);
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (!cmd) {
+ DRM_ERROR("Out of fifo space for dirty framebuffer command.\n");
return -ENOMEM;
}
- memset(cmd, 0, fifo_size);
cmd->header = SVGA_CMD_DEFINE_GMRFB;
cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
cmd->body.format.colorDepth = depth;
cmd->body.format.reserved = 0;
cmd->body.bytesPerLine = framebuffer->base.pitches[0];
- cmd->body.ptr.gmrId = framebuffer->user_handle;
- cmd->body.ptr.offset = 0;
+ /* Buffer is reserved in vram or GMR */
+ vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr);
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+
+ return 0;
+}
+
+/**
+ * vmw_sou_surface_fifo_commit - Callback to fill in and submit a
+ * blit surface to screen command.
+ *
+ * @dirty: The closure structure.
+ *
+ * Fills in the missing fields in the command, and translates the cliprects
+ * to match the destination bounding box encoded.
+ */
+static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty)
+{
+ struct vmw_kms_sou_surface_dirty *sdirty =
+ container_of(dirty, typeof(*sdirty), base);
+ struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd;
+ s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x;
+ s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y;
+ size_t region_size = dirty->num_hits * sizeof(SVGASignedRect);
+ SVGASignedRect *blit = (SVGASignedRect *) &cmd[1];
+ int i;
+
+ cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN;
+ cmd->header.size = sizeof(cmd->body) + region_size;
+
+ /*
+ * Use the destination bounding box to specify destination - and
+ * source bounding regions.
+ */
+ cmd->body.destRect.left = sdirty->left;
+ cmd->body.destRect.right = sdirty->right;
+ cmd->body.destRect.top = sdirty->top;
+ cmd->body.destRect.bottom = sdirty->bottom;
+
+ cmd->body.srcRect.left = sdirty->left + trans_x;
+ cmd->body.srcRect.right = sdirty->right + trans_x;
+ cmd->body.srcRect.top = sdirty->top + trans_y;
+ cmd->body.srcRect.bottom = sdirty->bottom + trans_y;
+
+ cmd->body.srcImage.sid = sdirty->sid;
+ cmd->body.destScreenId = dirty->unit->unit;
+
+ /* Blits are relative to the destination rect. Translate. */
+ for (i = 0; i < dirty->num_hits; ++i, ++blit) {
+ blit->left -= sdirty->left;
+ blit->right -= sdirty->left;
+ blit->top -= sdirty->top;
+ blit->bottom -= sdirty->top;
+ }
+
+ vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd));
+
+ sdirty->left = sdirty->top = S32_MAX;
+ sdirty->right = sdirty->bottom = S32_MIN;
+}
+
+/**
+ * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect.
+ *
+ * @dirty: The closure structure
+ *
+ * Encodes a SVGASignedRect cliprect and updates the bounding box of the
+ * BLIT_SURFACE_TO_SCREEN command.
+ */
+static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty)
+{
+ struct vmw_kms_sou_surface_dirty *sdirty =
+ container_of(dirty, typeof(*sdirty), base);
+ struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd;
+ SVGASignedRect *blit = (SVGASignedRect *) &cmd[1];
+
+ /* Destination rect. */
+ blit += dirty->num_hits;
+ blit->left = dirty->unit_x1;
+ blit->top = dirty->unit_y1;
+ blit->right = dirty->unit_x2;
+ blit->bottom = dirty->unit_y2;
+
+ /* Destination bounding box */
+ sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1);
+ sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1);
+ sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2);
+ sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2);
+
+ dirty->num_hits++;
+}
+
+/**
+ * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer
+ *
+ * @dev_priv: Pointer to the device private structure.
+ * @framebuffer: Pointer to the surface-buffer backed framebuffer.
+ * @clips: Array of clip rects. Either @clips or @vclips must be NULL.
+ * @vclips: Alternate array of clip rects. Either @clips or @vclips must
+ * be NULL.
+ * @srf: Pointer to surface to blit from. If NULL, the surface attached
+ * to @framebuffer will be used.
+ * @dest_x: X coordinate offset to align @srf with framebuffer coordinates.
+ * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates.
+ * @num_clips: Number of clip rects in @clips.
+ * @inc: Increment to use when looping over @clips.
+ * @out_fence: If non-NULL, will return a ref-counted pointer to a
+ * struct vmw_fence_obj. The returned fence pointer may be NULL in which
+ * case the device has already synchronized.
+ *
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
+ */
+int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
+ struct vmw_framebuffer *framebuffer,
+ struct drm_clip_rect *clips,
+ struct drm_vmw_rect *vclips,
+ struct vmw_resource *srf,
+ s32 dest_x,
+ s32 dest_y,
+ unsigned num_clips, int inc,
+ struct vmw_fence_obj **out_fence)
+{
+ struct vmw_framebuffer_surface *vfbs =
+ container_of(framebuffer, typeof(*vfbs), base);
+ struct vmw_kms_sou_surface_dirty sdirty;
+ int ret;
+
+ if (!srf)
+ srf = &vfbs->surface->res;
+
+ ret = vmw_kms_helper_resource_prepare(srf, true);
+ if (ret)
+ return ret;
+
+ sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit;
+ sdirty.base.clip = vmw_sou_surface_clip;
+ sdirty.base.dev_priv = dev_priv;
+ sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) +
+ sizeof(SVGASignedRect) * num_clips;
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, 0, NULL, NULL);
+ sdirty.sid = srf->id;
+ sdirty.left = sdirty.top = S32_MAX;
+ sdirty.right = sdirty.bottom = S32_MIN;
+ sdirty.dst_x = dest_x;
+ sdirty.dst_y = dest_y;
- kfree(cmd);
+ ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips,
+ dest_x, dest_y, num_clips, inc,
+ &sdirty.base);
+ vmw_kms_helper_resource_finish(srf, out_fence);
return ret;
}
-int vmw_kms_sou_do_dmabuf_dirty(struct drm_file *file_priv,
- struct vmw_private *dev_priv,
+/**
+ * vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips.
+ *
+ * @dirty: The closure structure.
+ *
+ * Commits a previously built command buffer of readback clips.
+ */
+static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty)
+{
+ vmw_fifo_commit(dirty->dev_priv,
+ sizeof(struct vmw_kms_sou_dmabuf_blit) *
+ dirty->num_hits);
+}
+
+/**
+ * vmw_sou_dmabuf_clip - Callback to encode a readback cliprect.
+ *
+ * @dirty: The closure structure
+ *
+ * Encodes a BLIT_GMRFB_TO_SCREEN cliprect.
+ */
+static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty)
+{
+ struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd;
+
+ blit += dirty->num_hits;
+ blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
+ blit->body.destScreenId = dirty->unit->unit;
+ blit->body.srcOrigin.x = dirty->fb_x;
+ blit->body.srcOrigin.y = dirty->fb_y;
+ blit->body.destRect.left = dirty->unit_x1;
+ blit->body.destRect.top = dirty->unit_y1;
+ blit->body.destRect.right = dirty->unit_x2;
+ blit->body.destRect.bottom = dirty->unit_y2;
+ dirty->num_hits++;
+}
+
+/**
+ * vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer
+ *
+ * @dev_priv: Pointer to the device private structure.
+ * @framebuffer: Pointer to the dma-buffer backed framebuffer.
+ * @clips: Array of clip rects.
+ * @num_clips: Number of clip rects in @clips.
+ * @increment: Increment to use when looping over @clips.
+ * @interruptible: Whether to perform waits interruptible if possible.
+ * @out_fence: If non-NULL, will return a ref-counted pointer to a
+ * struct vmw_fence_obj. The returned fence pointer may be NULL in which
+ * case the device has already synchronized.
+ *
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
+ */
+int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer,
- unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips, int increment,
+ bool interruptible,
struct vmw_fence_obj **out_fence)
{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *clips_ptr;
- int i, k, num_units, ret;
- struct drm_crtc *crtc;
- size_t fifo_size;
+ struct vmw_dma_buffer *buf =
+ container_of(framebuffer, struct vmw_framebuffer_dmabuf,
+ base)->buffer;
+ struct vmw_kms_dirty dirty;
+ int ret;
- struct {
- uint32_t header;
- SVGAFifoCmdBlitGMRFBToScreen body;
- } *blits;
+ ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible,
+ false);
+ if (ret)
+ return ret;
- ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
+ ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer);
if (unlikely(ret != 0))
- return ret; /* define_gmrfb prints warnings */
+ goto out_revert;
- fifo_size = sizeof(*blits) * num_clips;
- blits = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(blits == NULL)) {
- DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
- return -ENOMEM;
- }
+ dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit;
+ dirty.clip = vmw_sou_dmabuf_clip;
+ dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) *
+ num_clips;
+ ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, NULL,
+ 0, 0, num_clips, increment, &dirty);
+ vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL);
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &framebuffer->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
+ return ret;
- for (k = 0; k < num_units; k++) {
- struct vmw_display_unit *unit = units[k];
- int hit_num = 0;
-
- clips_ptr = clips;
- for (i = 0; i < num_clips; i++, clips_ptr += increment) {
- int clip_x1 = clips_ptr->x1 - unit->crtc.x;
- int clip_y1 = clips_ptr->y1 - unit->crtc.y;
- int clip_x2 = clips_ptr->x2 - unit->crtc.x;
- int clip_y2 = clips_ptr->y2 - unit->crtc.y;
- int move_x, move_y;
-
- /* skip any crtcs that misses the clip region */
- if (clip_x1 >= unit->crtc.mode.hdisplay ||
- clip_y1 >= unit->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
- continue;
-
- /* clip size to crtc size */
- clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
- clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
-
- /* translate both src and dest to bring clip into screen */
- move_x = min_t(int, clip_x1, 0);
- move_y = min_t(int, clip_y1, 0);
-
- /* actual translate done here */
- blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
- blits[hit_num].body.destScreenId = unit->unit;
- blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
- blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
- blits[hit_num].body.destRect.left = clip_x1 - move_x;
- blits[hit_num].body.destRect.top = clip_y1 - move_y;
- blits[hit_num].body.destRect.right = clip_x2;
- blits[hit_num].body.destRect.bottom = clip_y2;
- hit_num++;
- }
-
- /* no clips hit the crtc */
- if (hit_num == 0)
- continue;
-
- /* only return the last fence */
- if (out_fence && *out_fence)
- vmw_fence_obj_unreference(out_fence);
-
- fifo_size = sizeof(*blits) * hit_num;
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
- fifo_size, 0, 0, NULL, out_fence);
+out_revert:
+ vmw_kms_helper_buffer_revert(buf);
- if (unlikely(ret != 0))
- break;
- }
+ return ret;
+}
- kfree(blits);
- return ret;
+/**
+ * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips.
+ *
+ * @dirty: The closure structure.
+ *
+ * Commits a previously built command buffer of readback clips.
+ */
+static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty)
+{
+ vmw_fifo_commit(dirty->dev_priv,
+ sizeof(struct vmw_kms_sou_readback_blit) *
+ dirty->num_hits);
}
+/**
+ * vmw_sou_readback_clip - Callback to encode a readback cliprect.
+ *
+ * @dirty: The closure structure
+ *
+ * Encodes a BLIT_SCREEN_TO_GMRFB cliprect.
+ */
+static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty)
+{
+ struct vmw_kms_sou_readback_blit *blit = dirty->cmd;
+
+ blit += dirty->num_hits;
+ blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
+ blit->body.srcScreenId = dirty->unit->unit;
+ blit->body.destOrigin.x = dirty->fb_x;
+ blit->body.destOrigin.y = dirty->fb_y;
+ blit->body.srcRect.left = dirty->unit_x1;
+ blit->body.srcRect.top = dirty->unit_y1;
+ blit->body.srcRect.right = dirty->unit_x2;
+ blit->body.srcRect.bottom = dirty->unit_y2;
+ dirty->num_hits++;
+}
+
+/**
+ * vmw_kms_sou_readback - Perform a readback from the screen object system to
+ * a dma-buffer backed framebuffer.
+ *
+ * @dev_priv: Pointer to the device private structure.
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * Must be set to NULL if @user_fence_rep is NULL.
+ * @vfb: Pointer to the dma-buffer backed framebuffer.
+ * @user_fence_rep: User-space provided structure for fence information.
+ * Must be set to non-NULL if @file_priv is non-NULL.
+ * @vclips: Array of clip rects.
+ * @num_clips: Number of clip rects in @vclips.
+ *
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
+ */
+int vmw_kms_sou_readback(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_framebuffer *vfb,
+ struct drm_vmw_fence_rep __user *user_fence_rep,
+ struct drm_vmw_rect *vclips,
+ uint32_t num_clips)
+{
+ struct vmw_dma_buffer *buf =
+ container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer;
+ struct vmw_kms_dirty dirty;
+ int ret;
+
+ ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false);
+ if (ret)
+ return ret;
+
+ ret = do_dmabuf_define_gmrfb(dev_priv, vfb);
+ if (unlikely(ret != 0))
+ goto out_revert;
+
+ dirty.fifo_commit = vmw_sou_readback_fifo_commit;
+ dirty.clip = vmw_sou_readback_clip;
+ dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) *
+ num_clips;
+ ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips,
+ 0, 0, num_clips, 1, &dirty);
+ vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL,
+ user_fence_rep);
+
+ return ret;
+
+out_revert:
+ vmw_kms_helper_buffer_revert(buf);
+
+ return ret;
+}
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff