Commit 50834eb4 authored by Hersen Wu's avatar Hersen Wu Committed by Alex Deucher
Browse files

drm/amd/display: DP link validation bug for YUV422 



remove limit YUV422 color depth to 24bits which is
workaround for old ASIC

Signed-off-by: default avatarHersen Wu <hersenxs.wu@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3158223e

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+21 −26
Original line number Diff line number Diff line
@@ -1379,12 +1379,7 @@ static uint32_t bandwidth_in_kbps_from_timing( 
	uint32_t bits_per_channel = 0;

	uint32_t kbps;



	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)

		bits_per_channel = 12;

	else{



	switch (timing->display_color_depth) {



	case COLOR_DEPTH_666:

		bits_per_channel = 6;

		break;
@@ -1406,7 +1401,7 @@ static uint32_t bandwidth_in_kbps_from_timing( 
	default:

		break;

	}

	}



	ASSERT(bits_per_channel != 0);



	kbps = timing->pix_clk_khz;