diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 5fb98aa2e719..1c48917da3cf 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -30,10 +30,14 @@ #include "pppcielanes.h" #include "pp_debug.h" #include "ppatomctrl.h" +#include "ppsmc.h" + +#define VOLTAGE_SCALE 4 extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr); extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr); +extern int polaris10_hwmgr_init(struct pp_hwmgr *hwmgr); int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) { @@ -67,6 +71,10 @@ int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) case CHIP_FIJI: fiji_hwmgr_init(hwmgr); break; + case CHIP_POLARIS11: + case CHIP_POLARIS10: + polaris10_hwmgr_init(hwmgr); + break; default: return -EINVAL; } @@ -561,3 +569,38 @@ uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask) return level; } + +void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr) +{ + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)hwmgr->pptable; + struct phm_clock_voltage_dependency_table *table = + table_info->vddc_dep_on_dal_pwrl; + struct phm_ppt_v1_clock_voltage_dependency_table *vddc_table; + enum PP_DAL_POWERLEVEL dal_power_level = hwmgr->dal_power_level; + uint32_t req_vddc = 0, req_volt, i; + + if (!table || table->count <= 0 + || dal_power_level < PP_DAL_POWERLEVEL_ULTRALOW + || dal_power_level > PP_DAL_POWERLEVEL_PERFORMANCE) + return; + + for (i = 0; i < table->count; i++) { + if (dal_power_level == table->entries[i].clk) { + req_vddc = table->entries[i].v; + break; + } + } + + vddc_table = table_info->vdd_dep_on_sclk; + for (i = 0; i < vddc_table->count; i++) { + if (req_vddc <= vddc_table->entries[i].vddc) { + req_volt = (((uint32_t)vddc_table->entries[i].vddc) * VOLTAGE_SCALE); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_VddC_Request, req_volt); + return; + } + } + printk(KERN_ERR "DAL requested level can not" + " found a available voltage in VDDC DPM Table \n"); +} |