static int pp_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
- return 0;
+ struct pp_hwmgr *hwmgr;
+
+ if (handle == NULL)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
+ hwmgr->hwmgr_func->enable_per_cu_power_gating == NULL)
+ return -EINVAL;
+
+ /* Enable/disable GFX per cu powergating through SMU */
+ return hwmgr->hwmgr_func->enable_per_cu_power_gating(hwmgr,
+ state == AMD_PG_STATE_GATE ? true : false);
}
static int pp_suspend(void *handle)
int (*set_pp_table)(struct pp_hwmgr *hwmgr, const char *buf, size_t size);
int (*force_clock_level)(struct pp_hwmgr *hwmgr, enum pp_clock_type type, int level);
int (*print_clock_levels)(struct pp_hwmgr *hwmgr, enum pp_clock_type type, char *buf);
+ int (*enable_per_cu_power_gating)(struct pp_hwmgr *hwmgr, bool enable);
};
struct pp_table_func {