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authorPraful Swarnakar <Praful.Swarnakar@amd.com>2021-08-19 21:31:37 +0530
committerAlex Deucher <alexander.deucher@amd.com>2021-08-24 15:36:12 -0400
commit3341d30d1cc7c37ca5fd49b7f9b0f3cce66c727e (patch)
treea5fce837d36cf9c78cff9e2a7302002cdf6df85a /drivers
parent30acef3c4ad1a9112c851cd3c75704fc665174da (diff)
downloadlinux-3341d30d1cc7c37ca5fd49b7f9b0f3cce66c727e.tar.bz2
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: Praful Swarnakar <Praful.Swarnakar@amd.com> Reviewed-by: Hersen Wu <hersenwu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
index f1a08a7736ac..cf364ae93138 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
@@ -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;