drm/amdgpu: Ignore stop rlc on SRIOV environment.

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>

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 320cfce1fef561b04fa9282e596dd33e6842b01e..9492dd638aea56b4c62fc0076fa8c25ea4b222f1 100644 (file)
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -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;