drm: Constify drm_encoder_slave_funcs

[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / rcar-du / rcar_du_hdmicon.c

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
index 96f2eb43713c55e99f662fb76f8b7dcd727c0724..a37b6e2fe51aaf66c736d7d797339a3fbc1ea412 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
@@ -28,7 +28,7 @@ static int rcar_du_hdmi_connector_get_modes(struct drm_connector *connector)
 {
        struct rcar_du_connector *con = to_rcar_connector(connector);
        struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(con->encoder);
-       struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
+       const struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
 
        if (sfuncs->get_modes == NULL)
                return 0;
@@ -41,7 +41,7 @@ static int rcar_du_hdmi_connector_mode_valid(struct drm_connector *connector,
 {
        struct rcar_du_connector *con = to_rcar_connector(connector);
        struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(con->encoder);
-       struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
+       const struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
 
        if (sfuncs->mode_valid == NULL)
                return MODE_OK;
@@ -66,7 +66,7 @@ rcar_du_hdmi_connector_detect(struct drm_connector *connector, bool force)
 {
        struct rcar_du_connector *con = to_rcar_connector(connector);
        struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(con->encoder);
-       struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
+       const struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
 
        if (sfuncs->detect == NULL)
                return connector_status_unknown;