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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2e92da56740..d69caf92ffe 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -490,10 +490,29 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
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;