drm/vmwgfx: Don't send bad flags to the host
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index e01db12..c7efbd47 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -35,6 +35,11 @@
#define VMW_RES_SURFACE ttm_driver_type1
#define VMW_RES_STREAM ttm_driver_type2
+/* XXX: This isn't a real hardware flag, but just a hack for kernel to
+ * know about primary surfaces. Find a better way to accomplish this.
+ */
+#define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
+
struct vmw_user_context {
struct ttm_base_object base;
struct vmw_resource res;
@@ -599,8 +604,17 @@
if (unlikely(ret != 0))
goto out_err1;
+ if (srf->flags & SVGA3D_SURFACE_HINT_SCANOUT) {
+ /* we should not send this flag down to hardware since
+ * its not a official one
+ */
+ srf->flags &= ~SVGA3D_SURFACE_HINT_SCANOUT;
+ srf->scanout = true;
+ } else {
+ srf->scanout = false;
+ }
- if (srf->flags & (1 << 9) &&
+ if (srf->scanout &&
srf->num_sizes == 1 &&
srf->sizes[0].width == 64 &&
srf->sizes[0].height == 64 &&