---

yaml --- r: 179937 b: refs/heads/master c: 8ba5152 h: refs/heads/master i: 179935: 7006a98 v: v3
git-mirror · Jan 25, 2010 · 5c061ca · 5c061ca
1 parent bdd2804
commit 5c061ca
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Showing 5 changed files with 31 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0eaddb28d3460f13102cd82cf58af875bfb1bd53
+refs/heads/master: 8ba5152a3acd5914cade42a1c8c9dc58ad8d1a89
diff --git a/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -48,6 +48,15 @@ struct ttm_placement vmw_vram_placement = {
 	.busy_placement = &vram_placement_flags
 };
 
+struct ttm_placement vmw_vram_sys_placement = {
+	.fpfn = 0,
+	.lpfn = 0,
+	.num_placement = 1,
+	.placement = &vram_placement_flags,
+	.num_busy_placement = 1,
+	.busy_placement = &sys_placement_flags
+};
+
 struct ttm_placement vmw_vram_ne_placement = {
 	.fpfn = 0,
 	.lpfn = 0,

diff --git a/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -404,6 +404,7 @@ extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 
 extern struct ttm_placement vmw_vram_placement;
 extern struct ttm_placement vmw_vram_ne_placement;
+extern struct ttm_placement vmw_vram_sys_placement;
 extern struct ttm_placement vmw_sys_placement;
 extern struct ttm_bo_driver vmw_bo_driver;
 extern int vmw_dma_quiescent(struct drm_device *dev);

diff --git a/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -487,13 +487,32 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
 {
 	int ret;
 
+	if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
+		return 0;
+
+	/**
+	 * Put BO in VRAM, only if there is space.
+	 */
+
+	ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false);
+	if (unlikely(ret == -ERESTARTSYS))
+		return ret;
+
+	/**
+	 * Otherwise, set it up as GMR.
+	 */
+
 	if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
 		return 0;
 
 	ret = vmw_gmr_bind(dev_priv, bo);
 	if (likely(ret == 0 || ret == -ERESTARTSYS))
 		return ret;
 
+	/**
+	 * If that failed, try VRAM again, this time evicting
+	 * previous contents.
+	 */
 
 	ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false);
 	return ret;

diff --git a/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/trunk/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -872,7 +872,7 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 	}
 
 	ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, req->size,
-			      &vmw_vram_placement, true,
+			      &vmw_vram_sys_placement, true,
 			      &vmw_user_dmabuf_destroy);
 	if (unlikely(ret != 0))
 		return ret;