Commit 0c9e2005 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher

drm/amd/powerplay: add mclk OD(overdrive) support for Polaris10

The maximum OD percentage is 20.
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 391be530
......@@ -4978,6 +4978,47 @@ static int polaris10_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
return 0;
}
static int polaris10_get_mclk_od(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
struct polaris10_single_dpm_table *golden_mclk_table =
&(data->golden_dpm_table.mclk_table);
int value;
value = (mclk_table->dpm_levels[mclk_table->count - 1].value -
golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) *
100 /
golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
return value;
}
static int polaris10_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_single_dpm_table *golden_mclk_table =
&(data->golden_dpm_table.mclk_table);
struct pp_power_state *ps;
struct polaris10_power_state *polaris10_ps;
if (value > 20)
value = 20;
ps = hwmgr->request_ps;
if (ps == NULL)
return -EINVAL;
polaris10_ps = cast_phw_polaris10_power_state(&ps->hardware);
polaris10_ps->performance_levels[polaris10_ps->performance_level_count - 1].memory_clock =
golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value *
value / 100 +
golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
return 0;
}
static const struct pp_hwmgr_func polaris10_hwmgr_funcs = {
.backend_init = &polaris10_hwmgr_backend_init,
.backend_fini = &polaris10_hwmgr_backend_fini,
......@@ -5023,6 +5064,8 @@ static const struct pp_hwmgr_func polaris10_hwmgr_funcs = {
.enable_per_cu_power_gating = polaris10_phm_enable_per_cu_power_gating,
.get_sclk_od = polaris10_get_sclk_od,
.set_sclk_od = polaris10_set_sclk_od,
.get_mclk_od = polaris10_get_mclk_od,
.set_mclk_od = polaris10_set_mclk_od,
};
int polaris10_hwmgr_init(struct pp_hwmgr *hwmgr)
......
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