Commit b701542d authored by Andrey Grodzovsky's avatar Andrey Grodzovsky Committed by Alex Deucher
Browse files

drm/amd/display: fix >340 Mhz with deep color pipe split no display 



 the input to HW formula needs to take care the deep color.

Signed-off-by: default avatarCharlene Liu <charlene.liu@amd.com>
Reviewed-by: default avatarCharlene Liu <Charlene.Liu@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e51bf71e

drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c

+12 −1
Original line number Diff line number Diff line
@@ -856,7 +856,18 @@ bool dcn_validate_bandwidth( 
				- pipe->stream->timing.v_front_porch;

		v->vactive[input_idx] = pipe->stream->timing.v_addressable;

		v->pixel_clock[input_idx] = pipe->stream->timing.pix_clk_khz / 1000.0f;



		if (pipe->stream->sink->sink_signal ==  SIGNAL_TYPE_HDMI_TYPE_A) {

			switch (pipe->stream->timing.display_color_depth) {

			case COLOR_DEPTH_101010:

					v->pixel_clock[input_idx]  = (v->pixel_clock[input_idx] * 30) / 24;

				break;

			case COLOR_DEPTH_121212:

				v->pixel_clock[input_idx]  = (v->pixel_clock[input_idx] * 36) / 24;

				break;

			default:

				break;

			}

		}



		if (!pipe->surface){

			v->dcc_enable[input_idx] = dcn_bw_yes;

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

+0 −2
Original line number Diff line number Diff line
@@ -1657,8 +1657,6 @@ static void set_avi_info_frame( 
			color_space == COLOR_SPACE_YCBCR601_LIMITED)

		hdmi_info->bits.C0_C1 = COLORIMETRY_ITU601;

	else {

		if (stream->timing.pixel_encoding != PIXEL_ENCODING_RGB)

			BREAK_TO_DEBUGGER();

		hdmi_info->bits.C0_C1 = COLORIMETRY_NO_DATA;

	}

	if (color_space == COLOR_SPACE_2020_RGB_FULLRANGE ||