drm/amdgpu/gfx10: fix race condition for kiq

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During preemption test for gfx10, it uses kiq to trigger
gfx preemption, which would result in race condition
with flushing TLB for kiq.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jack Xiao 2020-07-10 12:18:22 +08:00 • committed by Alex Deucher

parent 2b9f78481b

commit 926ee775ba

1 changed files with 8 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

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