summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/sun4i/sun4i_backend.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index bf49c55b0f2c..67b4bb4f5365 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -395,6 +395,15 @@ int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend, int layer,
return 0;
}
+void sun4i_backend_cleanup_layer(struct sun4i_backend *backend,
+ int layer)
+{
+ regmap_update_bits(backend->engine.regs,
+ SUN4I_BACKEND_ATTCTL_REG0(layer),
+ SUN4I_BACKEND_ATTCTL_REG0_LAY_VDOEN |
+ SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN, 0);
+}
+
static bool sun4i_backend_plane_uses_scaler(struct drm_plane_state *state)
{
u16 src_h = state->src_h >> 16;