drm: bridge: dw-hdmi: Enable CSC even for DVI

If the input pixel format is not RGB, the CSC must be enabled in order to
provide valid pixel to DVI sinks.
This patch removes the hdmi only dependency on the CSC enabling.

Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303172007.26541-4-laurent.pinchart+renesas@ideasonboard.com

diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index 906583beb08b51d7c3bc7769d7460143705ecffe..d863b3393aeee2e2ed1fa9ea62690cb73cd9d665 100644 (file)
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -1291,8 +1291,8 @@ static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi)
                hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS);
        }
 
-       /* Enable color space conversion if needed (for HDMI sinks only). */
-       if (hdmi->sink_is_hdmi && is_color_space_conversion(hdmi))
+       /* Enable color space conversion if needed */
+       if (is_color_space_conversion(hdmi))
                hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH,
                            HDMI_MC_FLOWCTRL);
        else