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drm/amd/pm: not stop rlc for IMU enabled APUs when suspend

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For IMU enabled APUs, after sending the PrepareMp1ForUnload message
to SMU in system_features_control, the RLC registers can't be touched.
The driver to stop the rlc in suspending is no longer required.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tim Huang 2023-10-19 10:24:11 +08:00 committed by Alex Deucher
parent c68b4550b6
commit d78fa1c309
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@ -1711,6 +1711,7 @@ static int smu_disable_dpms(struct smu_context *smu)
}
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)
adev->gfx.rlc.funcs->stop(adev);