From 3341d30d1cc7c37ca5fd49b7f9b0f3cce66c727e Mon Sep 17 00:00:00 2001 From: Praful Swarnakar Date: Thu, 19 Aug 2021 21:31:37 +0530 Subject: 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 Reviewed-by: Hersen Wu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers') 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; -- cgit v1.2.3