linux-kernel - RE: [PATCH] drm/amdgpu: resove reboot exception for si oland

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Date:   Fri, 10 Mar 2023 08:18:49 +0000
From:   "Chen, Guchun" <Guchun.Chen@....com>
To:     Zhenneng Li <lizhenneng@...inos.cn>,
        "Deucher, Alexander" <Alexander.Deucher@....com>
CC:     David Airlie <airlied@...ux.ie>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        Daniel Vetter <daniel@...ll.ch>,
        "Koenig, Christian" <Christian.Koenig@....com>
Subject: RE: [PATCH] drm/amdgpu: resove reboot exception for si oland


> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@...ts.freedesktop.org> On Behalf Of
> Zhenneng Li
> Sent: Friday, March 10, 2023 3:40 PM
> To: Deucher, Alexander <Alexander.Deucher@....com>
> Cc: David Airlie <airlied@...ux.ie>; Pan, Xinhui <Xinhui.Pan@....com>;
> linux-kernel@...r.kernel.org; dri-devel@...ts.freedesktop.org; Zhenneng Li
> <lizhenneng@...inos.cn>; amd-gfx@...ts.freedesktop.org; Daniel Vetter
> <daniel@...ll.ch>; Koenig, Christian <Christian.Koenig@....com>
> Subject: [PATCH] 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 <si_dpm> 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 | 3 ---
>  1 file changed, 3 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..dee51c757ac0 100644
> --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> @@ -7632,9 +7632,6 @@ static int si_dpm_late_init(void *handle)
>  	if (!adev->pm.dpm_enabled)
>  		return 0;
> 
> -	ret = si_set_temperature_range(adev);
> -	if (ret)
> -		return ret;

si_set_temperature_range should be platform agnostic. Can you please elaborate more?

Regards,
Guchun

>  #if 0 //TODO ?
>  	si_dpm_powergate_uvd(adev, true);
>  #endif
> --
> 2.25.1