Two patches to improve gang submit with reserved VMIDs

[vitaly prosyak]

On 2024-01-26 10:54, Christian König wrote:
> Hi guys,
>
> those two patches clean up gang submit. The first one should prevent
> crashes when gang submit is used together with a reserved VMID.
>
> The second rejects gang submits with a reserved VMID when this won't
> work because of HW limitations.
>
> Only smoke tested since I need more HW for this setup
>
> @Vitaly: If you have some time please test them with your stand alone
> gang submit test first and then we need to come up with a combined
> test case for gang submit with reserved VMID.
Hi Christian,

After applying both patches no problem was found with the basic and gang submit IGT tests.
When I modified a gang submits test ( added VMID allocation/free), It was rejected cs by amdgpu_cs_vm_handling(not sure here)

Based on the above things look correct. Let's discuss the details of gang submission with VMID.

Thanks, Vitaly


>
> Regards,
> Christian.
>
>