drm/amdgpu: export function to flush TLB via pasid

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This can be used directly from amdgpu and amdkfd to invalidate
TLB through pasid.
It supports gmc v7, v8, v9 and v10.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Sierra 2019-12-19 23:40:19 -06:00 • committed by Alex Deucher

parent 4f01f1e58e

commit ea930000a6

5 changed files with 223 additions and 0 deletions

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6

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

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74

drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c

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33

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

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34

drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

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76

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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