[PATCH 03/15] drm/amd/display: 420 clock divided by 2 twice

[Harry Wentland]

From: Charlene Liu <charlene....@amd.com>

Change-Id: I1bd1e091f1e9e3915997d3f216eadd429b605563
Signed-off-by: Charlene Liu <charlene....@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
Reviewed-by: Krunoslav Kovac <krunoslav.ko...@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 478c8d27f3bd..cd3942df70a7 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(
-- 
2.9.3

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