[RFC 3/6] drm/amdgpu: Fix crash on modprobe

[Andrey Grodzovsky]

On 2021-12-20 2:17 a.m., Christian König wrote:
> Am 17.12.21 um 23:27 schrieb Andrey Grodzovsky:
>> Restrict jobs resubmission to suspend case
>> only since schedulers not initialised yet on
>> probe.
>>
>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c 
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
>> index 5527c68c51de..8ebd954e06c6 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
>> @@ -582,7 +582,7 @@ void amdgpu_fence_driver_hw_init(struct 
>> amdgpu_device *adev)
>>           if (!ring || !ring->fence_drv.initialized)
>>               continue;
>>   -        if (!ring->no_scheduler) {
>> +        if (adev->in_suspend && !ring->no_scheduler) {
>
> Uff, why is that suddenly necessary? Because of the changed order?
>
> Christian.


Yes.

Andrey


>
>> drm_sched_resubmit_jobs(&ring->sched);
>>               drm_sched_start(&ring->sched, true);
>>           }
>