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drm/amd/powerplay: avoid repeat AVFS enablement/disablement

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No need to enable or disable AVFS if it's already in wanted
state.

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 2019-05-06 16:45:13 +08:00 committed by Alex Deucher
parent 36f5f8a749
commit 319dd4764f
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
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@ -2364,6 +2364,10 @@ static int vega10_avfs_enable(struct pp_hwmgr *hwmgr, bool enable)
struct vega10_hwmgr *data = hwmgr->backend;
if (data->smu_features[GNLD_AVFS].supported) {
/* Already enabled or disabled */
if (!(enable ^ data->smu_features[GNLD_AVFS].enabled))
return 0;
if (enable) {
PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,
true,