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drm/amd/pp: Read vbios vddc limit before use them 

Use the vddc limit before read them from vbios

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-07-19 16:21:42 +08:00 committed by Alex Deucher
parent 4d3b9ae50e
commit 88de542e42
1 changed files with 8 additions and 3 deletions
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11
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
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@ -289,7 +289,15 @@ static int vega10_odn_initial_default_setting(struct pp_hwmgr *hwmgr)
struct phm_ppt_v1_voltage_lookup_table *vddc_lookup_table;
struct phm_ppt_v1_clock_voltage_dependency_table *dep_table[3];
struct phm_ppt_v1_clock_voltage_dependency_table *od_table[3];
struct pp_atomfwctrl_avfs_parameters avfs_params = {0};
uint32_t i;
int result;
result = pp_atomfwctrl_get_avfs_information(hwmgr, &avfs_params);
if (!result) {
data->odn_dpm_table.max_vddc = avfs_params.ulMaxVddc;
data->odn_dpm_table.min_vddc = avfs_params.ulMinVddc;
}
od_lookup_table = &odn_table->vddc_lookup_table;
vddc_lookup_table = table_info->vddc_lookup_table;
@ -2072,9 +2080,6 @@ static int vega10_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
if (data->smu_features[GNLD_AVFS].supported) {
result = pp_atomfwctrl_get_avfs_information(hwmgr, &avfs_params);
if (!result) {
data->odn_dpm_table.max_vddc = avfs_params.ulMaxVddc;
data->odn_dpm_table.min_vddc = avfs_params.ulMinVddc;
pp_table->MinVoltageVid = (uint8_t)
convert_to_vid((uint16_t)(avfs_params.ulMinVddc));
pp_table->MaxVoltageVid = (uint8_t)