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drm/radeon: properly handle SS overrides on TN (v2)

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The IntegratedSystemInfo table changed versions
on TN.  Update the SS override lookup to handle it.

v2: fix copy-paste typo.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-07-25 12:32:59 -04:00
parent f4254a2bb4
commit 3838f46e36
1 changed files with 37 additions and 12 deletions
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49
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -1263,6 +1263,8 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
union igp_info {
struct _ATOM_INTEGRATED_SYSTEM_INFO 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;
};
bool radeon_atombios_sideport_present(struct radeon_device *rdev)
@ -1390,27 +1392,50 @@ static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev,
struct radeon_mode_info *mode_info = &rdev->mode_info;
int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
u16 data_offset, size;
struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 *igp_info;
union igp_info *igp_info;
u8 frev, crev;
u16 percentage = 0, rate = 0;
/* get any igp specific overrides */
if (atom_parse_data_header(mode_info->atom_context, index, &size,
&frev, &crev, &data_offset)) {
igp_info = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 *)
igp_info = (union igp_info *)
(mode_info->atom_context->bios + data_offset);
switch (id) {
case ASIC_INTERNAL_SS_ON_TMDS:
percentage = le16_to_cpu(igp_info->usDVISSPercentage);
rate = le16_to_cpu(igp_info->usDVISSpreadRateIn10Hz);
switch (crev) {
case 6:
switch (id) {
case ASIC_INTERNAL_SS_ON_TMDS:
percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
break;
case ASIC_INTERNAL_SS_ON_HDMI:
percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
break;
case ASIC_INTERNAL_SS_ON_LVDS:
percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
break;
}
break;
case ASIC_INTERNAL_SS_ON_HDMI:
percentage = le16_to_cpu(igp_info->usHDMISSPercentage);
rate = le16_to_cpu(igp_info->usHDMISSpreadRateIn10Hz);
case 7:
switch (id) {
case ASIC_INTERNAL_SS_ON_TMDS:
percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
break;
case ASIC_INTERNAL_SS_ON_HDMI:
percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
break;
case ASIC_INTERNAL_SS_ON_LVDS:
percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
break;
}
break;
case ASIC_INTERNAL_SS_ON_LVDS:
percentage = le16_to_cpu(igp_info->usLvdsSSPercentage);
rate = le16_to_cpu(igp_info->usLvdsSSpreadRateIn10Hz);
default:
DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
break;
}
if (percentage)