drm/amd/display: Adding log for spread_spectrum_info

[Why & How]
Enable logging for spread_spectrum_percentage in spread_spectrum_info
to facilitate debugging for audio compliance issues
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Co-authored-by: Leo Chen <SanChuan.Chen@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Leo Chen <SanChuan.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c

@@ -849,6 +849,8 @@ static enum bp_result get_ss_info_v4_1(
 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_HDMI:
 		ss_info->spread_spectrum_percentage =
@@ -857,6 +859,8 @@ static enum bp_result get_ss_info_v4_1(
 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	/* TODO LVDS not support anymore? */
 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
@@ -866,6 +870,8 @@ static enum bp_result get_ss_info_v4_1(
 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_GPU_PLL:
 		/* atom_firmware: DAL only get data from dce_info table.
@@ -886,6 +892,8 @@ static enum bp_result get_ss_info_v4_1(
 				smu_info->gpuclk_ss_rate_10hz * 10;
 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	default:
 		result = BP_RESULT_UNSUPPORTED;
@@ -935,6 +943,8 @@ static enum bp_result get_ss_info_v4_2(
 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_HDMI:
 		ss_info->spread_spectrum_percentage =
@@ -943,6 +953,8 @@ static enum bp_result get_ss_info_v4_2(
 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	/* TODO LVDS not support anymore? */
 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
@@ -952,6 +964,8 @@ static enum bp_result get_ss_info_v4_2(
 				smu_info->gpuclk_ss_rate_10hz * 10;
 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_GPU_PLL:
 		/* atom_firmware: DAL only get data from dce_info table.
@@ -1000,6 +1014,8 @@ static enum bp_result get_ss_info_v4_5(
 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_HDMI:
 		ss_info->spread_spectrum_percentage =
@@ -1008,6 +1024,8 @@ static enum bp_result get_ss_info_v4_5(
 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
 		ss_info->spread_spectrum_percentage =
@@ -1016,6 +1034,8 @@ static enum bp_result get_ss_info_v4_5(
 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 			ss_info->type.CENTER_MODE = true;
+
+		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT: %d\n", ss_info->spread_spectrum_percentage);
 		break;
 	case AS_SIGNAL_TYPE_GPU_PLL:
 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.