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

Change-Id: I293c8500c1a67873a2b793129b70d9f952fc8f89
Signed-off-by: Charlene Liu <charlene....@amd.com>
Reviewed-by: Tony Cheng <tony.ch...@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c 
b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index a1eabc47558e..17b28280236f 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -858,6 +858,8 @@ bool dcn_validate_bandwidth(
                                - pipe->stream->public.timing.v_front_porch;
                v->vactive[input_idx] = 
pipe->stream->public.timing.v_addressable;
                v->pixel_clock[input_idx] = 
pipe->stream->public.timing.pix_clk_khz / 1000.0f;
+               if (pipe->stream->public.timing.pixel_encoding == 
PIXEL_ENCODING_YCBCR420)
+                       v->pixel_clock[input_idx] /= 2;
 
 
                if (!pipe->surface){
-- 
2.11.0

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