Commit c2037ad1 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add SS override support for KB/KV 



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c7d2f227

drivers/gpu/drm/radeon/radeon_atombios.c

+17 −0
Original line number Diff line number Diff line
@@ -1269,6 +1269,7 @@ union igp_info { 
	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;

	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;

	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;

	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;

};



bool radeon_atombios_sideport_present(struct radeon_device *rdev)
@@ -1438,6 +1439,22 @@ static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev, 
				break;

			}

			break;

		case 8:

			switch (id) {

			case ASIC_INTERNAL_SS_ON_TMDS:

				percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);

				rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);

				break;

			case ASIC_INTERNAL_SS_ON_HDMI:

				percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);

				rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);

				break;

			case ASIC_INTERNAL_SS_ON_LVDS:

				percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);

				rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);

				break;

			}

			break;

		default:

			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);

			break;