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drm/amdgpu: Ignore stop rlc on SRIOV environment.

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For SRIOV, the guest driver should not do stop rlc. The host
handles programing RLC.

On SRIOV, the stop rlc will be hang (RLC related registers are
blocked by policy) when the RLCG interface is not enabled.

Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Gavin Wan <Gavin.Wan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gavin Wan
2022-11-09 13:12:42 -05:00
committed by Alex Deucher
parent 4864f2ee9e
commit ecc9b6e15a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@@ -1518,7 +1518,7 @@ static int smu_disable_dpms(struct smu_context *smu)
}
if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
adev->gfx.rlc.funcs->stop)
!amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)
adev->gfx.rlc.funcs->stop(adev);
return ret;