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path: root/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 1ead323f1c78..e1a5ee911dbb 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1710,6 +1710,16 @@ static int smu_disable_dpms(struct smu_context *smu)
}
}
+ /* Notify SMU RLC is going to be off, stop RLC and SMU interaction.
+ * otherwise SMU will hang while interacting with RLC if RLC is halted
+ * this is a WA for Vangogh asic which fix the SMU hang issue.
+ */
+ ret = smu_notify_rlc_state(smu, false);
+ if (ret) {
+ dev_err(adev->dev, "Fail to notify rlc status!\n");
+ return ret;
+ }
+
if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 4, 2) &&
!((adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs) &&
!amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop)