[PATCH 3/4] drm: bridge: dw-hdmi: Enable CSC even for DVI

Neil Armstrong narmstrong at baylibre.com
Mon Jan 30 11:05:17 UTC 2017


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 at synopsys.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
---
 drivers/gpu/drm/bridge/dw-hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index a8083f4..f75e5f9 100644
--- a/drivers/gpu/drm/bridge/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -1317,8 +1317,8 @@ 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
-- 
1.9.1



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