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drm/bridge: dw-hdmi: Make sure to output full range RGB in DVI mode

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Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Change-Id: I0858fe28139ead5fba6fc797cb6f3bec00f333fa
This commit is contained in:
Algea Cao
2021-07-02 15:37:06 +08:00
committed by Tao Huang
parent 3972b45872
commit 14f2bf3e7f
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -2596,6 +2596,9 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi,
drm_default_rgb_quant_range(mode) ==
HDMI_QUANTIZATION_RANGE_LIMITED;
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]: