drm/amd/powerplay: retrieve the real-time coreClock values
authorEvan Quan <evan.quan@amd.com>
Fri, 20 Oct 2017 07:42:34 +0000 (15:42 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 26 Oct 2017 03:09:38 +0000 (23:09 -0400)
 - Currently, the coreClock value for min/max performance level on raven
   is hard-coded. Use the real-time value retrieved by GetGfxMinFreqLimit
   and GetGfxMaxFreqLimit PPSMC messages

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c

index 9380108..3e0b267 100644 (file)
@@ -672,36 +672,20 @@ static int rv_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_p
                                PHM_PerformanceLevelDesignation designation, uint32_t index,
                                PHM_PerformanceLevel *level)
 {
-       const struct rv_power_state *ps;
        struct rv_hwmgr *data;
-       uint32_t level_index;
-       uint32_t i;
-       uint32_t vol_dep_record_index = 0;
 
        if (level == NULL || hwmgr == NULL || state == NULL)
                return -EINVAL;
 
        data = (struct rv_hwmgr *)(hwmgr->backend);
-       ps = cast_const_rv_ps(state);
-
-       level_index = index > ps->level - 1 ? ps->level - 1 : index;
-       level->coreClock = 30000;
 
-       if (designation == PHM_PerformanceLevelDesignation_PowerContainment) {
-               for (i = 1; i < ps->level; i++) {
-                       if (ps->levels[i].engine_clock > data->dce_slow_sclk_threshold) {
-                               level->coreClock = 30000;
-                               break;
-                       }
-               }
-       }
-
-       if (level_index == 0) {
-               vol_dep_record_index = data->clock_vol_info.vdd_dep_on_fclk->count - 1;
-               level->memory_clock =
-                       data->clock_vol_info.vdd_dep_on_fclk->entries[vol_dep_record_index].clk;
-       } else {
+       if (index == 0) {
                level->memory_clock = data->clock_vol_info.vdd_dep_on_fclk->entries[0].clk;
+               level->coreClock = data->gfx_min_freq_limit;
+       } else {
+               level->memory_clock = data->clock_vol_info.vdd_dep_on_fclk->entries[
+                       data->clock_vol_info.vdd_dep_on_fclk->count - 1].clk;
+               level->coreClock = data->gfx_max_freq_limit;
        }
 
        level->nonLocalMemoryFreq = 0;