cc z.liuxinliang at hisilicon.com On 7 December 2017 at 17:54, Xinliang Liu <xinliang.liu at linaro.org> wrote: > 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 >> >>