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

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-07-25 12:45:16 -04:00
parent c7d2f227e3
commit c2037ad1e1
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -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;