drm/amdgpu: replace readq/writeq with atomic64 operations

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what we really want is a read or write that is guaranteed to be 64 bits
at a time, atomic64 operations are supported on all architectures

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tao Zhou 2019-08-07 10:28:54 +08:00 • committed by Alex Deucher

parent 2a1e00c3c0

commit c6dddf4540

1 changed files with 2 additions and 6 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

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