summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_surface.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 8ae6a761c900..1625b30d9970 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -2283,9 +2283,11 @@ int vmw_dumb_create(struct drm_file *file_priv,
/*
* Without mob support we're just going to use raw memory buffer
* because we wouldn't be able to support full surface coherency
- * without mobs
+ * without mobs. There also no reason to support surface coherency
+ * without 3d (i.e. gpu usage on the host) because then all the
+ * contents is going to be rendered guest side.
*/
- if (!dev_priv->has_mob) {
+ if (!dev_priv->has_mob || !vmw_supports_3d(dev_priv)) {
int cpp = DIV_ROUND_UP(args->bpp, 8);
switch (cpp) {