[PATCH -fixes 5/9] drm/vmwgfx: Make sure to update STDU when FB is updated

[Thomas Hellstrom]

From: Sinclair Yeh <syeh at vmware.com>

When a new FB is bound, we have to send an update command otherwise
the new FB may not be shown

Signed-off-by: Sinclair Yeh <syeh at vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index bad31bd..60ace30 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -1355,6 +1355,11 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
 		DRM_ERROR("Failed to bind surface to STDU.\n");
 	else
 		crtc->primary->fb = plane->state->fb;
+
+	ret = vmw_stdu_update_st(dev_priv, stdu);
+
+	if (ret)
+		DRM_ERROR("Failed to update STDU.\n");
 }
 
 
-- 
2.7.4