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 > >
