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drm/amd/powerplay: add check for power limit OD support

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Before counting the OD percent into max power limit margin.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2020-06-08 18:33:38 +08:00 committed by Alex Deucher
parent e10d1ecf9d
commit 549db52682
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@ -1920,6 +1920,7 @@ static int navi10_get_power_limit(struct smu_context *smu)
{
struct smu_11_0_powerplay_table *powerplay_table =
(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
PPTable_t *pptable = smu->smu_table.driver_pptable;
uint32_t power_limit, od_percent;
@ -1934,7 +1935,8 @@ static int navi10_get_power_limit(struct smu_context *smu)
}
smu->current_power_limit = power_limit;
if (smu->od_enabled) {
if (smu->od_enabled &&
navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) {
od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit);