drm/amdgpu:fix gfx fence allocate size

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1, for sriov, we need 8dw for the gfx fence due to CP
behaviour
2, cleanup wrong logic in wptr/rptr wb alloc and free

Change-Id: Ifbfed17a4621dae57244942ffac7de1743de0294
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Monk Liu 2017-06-19 10:19:41 -04:00 • committed by Alex Deucher

parent e342610c9a

commit 0915fdbc69

3 changed files with 52 additions and 8 deletions

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2

drivers/gpu/drm/amd/amdgpu/amdgpu.h

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32

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

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26

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

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