From 474fc0a02541adabc3105086fd59bb838427376f Mon Sep 17 00:00:00 2001 From: Algea Cao Date: Fri, 2 Jul 2021 15:37:06 +0800 Subject: [PATCH] drm/bridge: dw-hdmi: Make sure to output full range RGB in DVI mode Signed-off-by: Algea Cao Change-Id: I0858fe28139ead5fba6fc797cb6f3bec00f333fa --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 0df9ddfcaf55..4f9cf315801c 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2478,6 +2478,9 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode) else hdmi->hdmi_data.quant_range = HDMI_QUANTIZATION_RANGE_DEFAULT; + if (!hdmi->sink_is_hdmi) + hdmi->hdmi_data.quant_range = HDMI_QUANTIZATION_RANGE_FULL; + /* * According to the dw-hdmi specification 6.4.2 * vp_pr_cd[3:0]: