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

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[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: Praful Swarnakar <Praful.Swarnakar@amd.com>
Reviewed-by: Hersen Wu <hersenwu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Praful Swarnakar
2021-08-19 21:31:37 +05:30
committed by Alex Deucher
parent 30acef3c4a
commit 3341d30d1c
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
View File

@@ -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;