drm/amdgpu/sdma4: set wptr shadow atomically (v2)

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No functional change until wptr polling uses this
location (future patch).

v2: use WRITE_ONCE

Cc: Frank Min <Frank.Min@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Alex Deucher 2017-07-27 15:28:14 -04:00

parent 5c33f214db

commit 575a07d2da

1 changed files with 3 additions and 2 deletions

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5

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

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