From 2200edac745a658452659536e573b4b23b00b9eb Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Thu, 30 Jun 2016 16:53:02 +0800 Subject: [PATCH] drm/amdgpu: force completion for gpu reset MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit After all hw jobs are reset, hw fence is meaningless, so force_completion Cc: William Lewis Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 1f6121a..21e02df 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -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); -- 2.7.4