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From bf919c4555327cda6b7097c642bf19c4b996be9f Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Wed, 22 Feb 2017 18:26:20 -0500
Subject: [PATCH 0232/4131] drm/amd/display: 420 clock divided by 2 twice
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index 478c8d2..cd3942d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -780,6 +780,9 @@ static void get_pixel_clock_parameters(
if (stream->public.timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) {
pixel_clk_params->color_depth = COLOR_DEPTH_888;
}
+ if (stream->public.timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+ pixel_clk_params->requested_pix_clk = pixel_clk_params->requested_pix_clk / 2;
+ }
}
void dce110_resource_build_bit_depth_reduction_params(
--
2.7.4
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