drm/vmwgfx: Make sure to update STDU when FB is updated

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@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index bad31bdf09b6c1d8bd31663c7973e1ebb912f340..60ace30246cf91617cbefca190747f05c51f235a 100644 (file)
--- 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");
 }