Commit 3341d30d authored by Praful Swarnakar's avatar Praful Swarnakar Committed by Alex Deucher
Browse files

drm/amd/display: Add Logging for HDMI color depth information 



[Why]
Recent HDMI2.0 HF1-1 V-Swing testing showed that logging deep color
status helps in validation of testcase.

[How]
Add logging based on various color depths and pixel encoding
formats.

Signed-off-by: default avatarPraful Swarnakar <Praful.Swarnakar@amd.com>
Reviewed-by: default avatarHersen Wu <hersenwu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 30acef3c

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c

+11 −0
Original line number Diff line number Diff line
@@ -522,16 +522,21 @@ void enc1_stream_encoder_hdmi_set_stream_attribute( 
	switch (crtc_timing->display_color_depth) {

	case COLOR_DEPTH_888:

		REG_UPDATE(HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);

		DC_LOG_DEBUG("HDMI source set to 24BPP deep color depth\n");

		break;

	case COLOR_DEPTH_101010:

		if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {

			REG_UPDATE_2(HDMI_CONTROL,

					HDMI_DEEP_COLOR_DEPTH, 1,

					HDMI_DEEP_COLOR_ENABLE, 0);

			DC_LOG_DEBUG("HDMI source 30BPP deep color depth"  \

				"disabled for YCBCR422 pixel encoding\n");

		} else {

			REG_UPDATE_2(HDMI_CONTROL,

					HDMI_DEEP_COLOR_DEPTH, 1,

					HDMI_DEEP_COLOR_ENABLE, 1);

			DC_LOG_DEBUG("HDMI source 30BPP deep color depth"  \

				"enabled for YCBCR422 non-pixel encoding\n");

			}

		break;

	case COLOR_DEPTH_121212:
@@ -539,16 +544,22 @@ void enc1_stream_encoder_hdmi_set_stream_attribute( 
			REG_UPDATE_2(HDMI_CONTROL,

					HDMI_DEEP_COLOR_DEPTH, 2,

					HDMI_DEEP_COLOR_ENABLE, 0);

			DC_LOG_DEBUG("HDMI source 36BPP deep color depth"  \

				"disabled for YCBCR422 pixel encoding\n");

		} else {

			REG_UPDATE_2(HDMI_CONTROL,

					HDMI_DEEP_COLOR_DEPTH, 2,

					HDMI_DEEP_COLOR_ENABLE, 1);

			DC_LOG_DEBUG("HDMI source 36BPP deep color depth"  \

				"enabled for non-pixel YCBCR422 encoding\n");

			}

		break;

	case COLOR_DEPTH_161616:

		REG_UPDATE_2(HDMI_CONTROL,

				HDMI_DEEP_COLOR_DEPTH, 3,

				HDMI_DEEP_COLOR_ENABLE, 1);

		DC_LOG_DEBUG("HDMI source deep color depth enabled in"  \

				"reserved mode\n");

		break;

	default:

		break;