[PATCH 03/14] drm/amd/display: Reset VIC if HDMI_VIC is present

Alan Liu HaoPing.Liu at amd.com
Sat Feb 26 23:41:06 UTC 2022


From: Chris Park <Chris.Park at amd.com>

[Why]
HDMI Compliance requires VIC to be set to 0
on 2D mode if HDMI_VIC is present.

[How]
When VIC and HDMI_VIC is both present,
reset VIC to 0.

Reviewed-by: Martin Leung <Martin.Leung at amd.com>
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Signed-off-by: Chris Park <Chris.Park at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 4367a6e0c224..0cdceb97766d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2615,6 +2615,8 @@ static void set_avi_info_frame(
 	hdmi_info.bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
 
 	///VIC
+	if (pipe_ctx->stream->timing.hdmi_vic != 0)
+		vic = 0;
 	format = stream->timing.timing_3d_format;
 	/*todo, add 3DStereo support*/
 	if (format != TIMING_3D_FORMAT_NONE) {
-- 
2.25.1



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