drm/rockchip: force 8bit mode if vop not support 10bit output

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / analogix_dp-rockchip.c

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 5375df350223fb4899802ecdad21da5b321a31fc..2ad0c89a5d7108bdf8f7c7eca310bcdd2295f68a 100644 (file)
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -169,8 +169,6 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
                                      struct drm_connector_state *conn_state)
 {
        struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
-       struct rockchip_dp_device *dp = to_dp(encoder);
-       int ret;
 
        /*
         * The hardware IC designed that VOP must output the RGB10 video
@@ -179,28 +177,7 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
         * contoller, that's why we need to hardcode the VOP output mode
         * to RGA10 here.
         */
-
-       ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
-       if (ret < 0)
-               return true;
-
-       switch (dp->data->chip_type) {
-       case RK3399_EDP:
-               /*
-                * For RK3399, VOP Lit must code the out mode to RGB888,
-                * VOP Big must code the out mode to RGB10.
-                */
-               if (ret)
-                       s->output_mode = ROCKCHIP_OUT_MODE_P888;
-               else
-                       s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
-               break;
-
-       default:
-               s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
-               break;
-       }
-
+       s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
        s->output_type = DRM_MODE_CONNECTOR_eDP;
 
        return 0;