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drm/amdgpu: force completion for gpu reset 

After all hw jobs are reset, hw fence is meaningless, so force_completion

Cc: William Lewis <minutemaidpark@hotmail.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2016-06-30 16:53:02 +08:00 committed by Alex Deucher
parent a3c47d6bdc
commit 2200edac74
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1947,7 +1947,8 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
continue;
kthread_park(ring->sched.thread);
}
/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
amdgpu_fence_driver_force_completion(adev);
/* save scratch */
amdgpu_atombios_scratch_regs_save(adev);
@ -2005,7 +2006,7 @@ retry:
}
}
} else {
amdgpu_fence_driver_force_completion(adev);
dev_err(adev->dev, "asic resume failed (%d).\n", r);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
if (adev->rings[i]) {
kthread_unpark(adev->rings[i]->sched.thread);