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(parent: c87b9f0) | patch
drm/amdgpu: toggle DF-Cstate when accessing UMC ras error related registers
authorGuchun Chen <guchun.chen@amd.com>
Wed, 4 Mar 2020 13:50:01 +0000 (21:50 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 6 Mar 2020 19:31:59 +0000 (14:31 -0500)
commitcf80c6014861dd47340b4d1ceae261b0cdddbe28
tree62d4642836708a95b6ee304702a119ef8393422ctree | snapshot
parentc87b9f0fc25da15da5be636d2662a3eb7061b7b9commit | diff
drm/amdgpu: toggle DF-Cstate when accessing UMC ras error related registers

On arcturus, DF-Cstate needs to be toggled off/on
before and after accessing UMC error counter and
error address registers, otherwise, clearing such
registers may fail.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/umc_v6_1.c diff | blob | history
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