[Ask for help] ATI HD 7470 card on arm64 platform

[Xinliang Liu]

Thanks Christian,

add tangyongqian in the loop.

On 7 December 2017 at 17:40, Christian König <christian.koenig at amd.com> wrote:
> Hi Xinliang,
>
> please provide the output of lspci and the content of /proc/iomem

will privide these info asap.



>
> Thanks,
> Christian.
>
>
> Am 07.12.2017 um 10:35 schrieb Xinliang Liu:
>>
>> Hi,
>>
>> We are trying ATI HD 7470 card on arm64 platform D05 with kernel 4.1.40.
>> But it failed with kernel log:
>> radeon 0005:01:00: ring 0 stalled for more than 10000msec
>> radeon 0005:01:00: GPU lockup (current fence id 0x0000000000000001
>> last fence id 0x0000000000000002 on ring0)
>> radeon 0005:01:00: ring 0 stalled for more than 10500msec
>> radeon 0005:01:00: GPU lockup (current fence id 0x0000000000000001
>> last fence id 0x0000000000000002 on ring0)
>> radeon 0005:01:00: ring 0 stalled for more than 11000msec
>> radeon 0005:01:00: GPU lockup (current fence id 0x0000000000000001
>> last fence id 0x0000000000000002 on ring0)
>> radeon 0005:01:00: ring 0 stalled for more than 11500msec
>> radeon 0005:01:00: GPU lockup (current fence id 0x0000000000000001
>> last fence id 0x0000000000000002 on ring0)
>> ...
>>
>> Any clue?
>> Any required setting on BIOS IO mem bar video ram? It seems that our
>> PCIE controller doesn't support cacheable feature for IO mem bar video
>> ram.
>>
>>
>> Best,
>> Xinliang
>
>