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drm/amd/powerplay: retrieve the real-time coreClock values

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- 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>
This commit is contained in:
Evan Quan 2017-10-20 15:42:34 +08:00 • committed by Alex Deucher
parent b87079ec7b
commit 0722382dcc
1 changed files with 6 additions and 22 deletions
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28
drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
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@ -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;