drm/amd/powerplay: disable fw dstate when gfxoff is enabled

SMU FW has bug that it would cause hung when both fw dstate and
gfxoff are enabled at the same time.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-05-28 21:47:05 +08:00 committed by Alex Deucher
parent 4bc920a680
commit 1768908ec5

View File

@ -336,9 +336,12 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
| FEATURE_MASK(FEATURE_FW_DSTATE_BIT)
| FEATURE_MASK(FEATURE_ACDC_BIT);
if (adev->pm.pp_feature & PP_GFXOFF_MASK)
if (adev->pm.pp_feature & PP_GFXOFF_MASK) {
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_GFX_SS_BIT)
| FEATURE_MASK(FEATURE_GFXOFF_BIT);
/* TODO: remove it once fw fix the bug */
*(uint64_t *)feature_mask &= ~FEATURE_MASK(FEATURE_FW_DSTATE_BIT);
}
if (smu->adev->pg_flags & AMD_PG_SUPPORT_VCN)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_VCN_PG_BIT);