Will attached patch help?
Regards,
Guchun
> -----Original Message-----
> From: Zhenneng Li
> Sent: Monday, March 13, 2023 10:57 AM
> To: Chen, Guchun
> Cc: Deucher, Alexander ; Koenig, Christian
> ; Pan, Xinhui ; David
> Airlie ; Daniel Vetter ; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx; Zhenneng Li
> Subject: [PATCH v2] drm/amdgpu: resove reboot exception for si oland
>
> During reboot test on arm64 platform, it may failure on boot.
>
> The error message are as follows:
> [ 6.996395][ 7] [ T295] [drm:amdgpu_device_ip_late_init [amdgpu]]
> *ERROR*
> late_init of IP block failed -22
> [ 7.006919][ 7] [ T295] amdgpu 0000:04:00.0: amdgpu_device_ip_late_init
> failed
> [ 7.014224][ 7] [ T295] amdgpu 0000:04:00.0: Fatal error during GPU init
> ---
> drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 12 ------------
> 1 file changed, 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> index d6d9e3b1b2c0..ca9bce895dbe 100644
> --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> @@ -7626,18 +7626,6 @@ static int si_dpm_process_interrupt(struct
> amdgpu_device *adev,
>
> static int si_dpm_late_init(void *handle) {
> - int ret;
> - struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> -
> - if (!adev->pm.dpm_enabled)
> - return 0;
> -
> - ret = si_set_temperature_range(adev);
> - if (ret)
> - return ret;
> -#if 0 //TODO ?
> - si_dpm_powergate_uvd(adev, true);
> -#endif
> return 0;
> }
>
> --
> 2.25.1
