drm/amdgpu: use kiq to do invalidate tlb

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To avoid the tlb flush not interrupted by world switch, use kiq and one
command to do tlb invalidate.

v2:
Refine the invalidate lock position.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-and-Tested-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Emily Deng 2018-08-17 18:25:36 +08:00 • committed by Alex Deucher

parent 39b62541aa

commit 3890d11153

3 changed files with 71 additions and 10 deletions

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4

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

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3

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

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74

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

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