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| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-06-12 15:41:58 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 14:54:43 -0400 |
| commit | 0875dc9e80eb3b01406b21947c140265527488ba (patch) | |
| tree | 95f73a81c6aefbfc0649918b3acbceee7d514093 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | eafc9c2704aa71806771f809233c4f374d0a0a22 (diff) | |
| download | lwn-0875dc9e80eb3b01406b21947c140265527488ba.tar.gz lwn-0875dc9e80eb3b01406b21947c140265527488ba.zip | |
drm/amdgpu: block scheduler when gpu reset
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ae801e9cec94..a7a84286a06f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -25,6 +25,7 @@ * Alex Deucher * Jerome Glisse */ +#include <linux/kthread.h> #include <linux/console.h> #include <linux/slab.h> #include <linux/debugfs.h> @@ -1895,6 +1896,14 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) atomic_inc(&adev->gpu_reset_counter); + /* block scheduler */ + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring) + continue; + kthread_park(ring->sched.thread); + } /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); @@ -1928,7 +1937,7 @@ retry: struct amdgpu_ring *ring = adev->rings[i]; if (!ring) continue; - + kthread_unpark(ring->sched.thread); amdgpu_ring_restore(ring, ring_sizes[i], ring_data[i]); ring_sizes[i] = 0; ring_data[i] = NULL; @@ -1946,8 +1955,10 @@ retry: } else { amdgpu_fence_driver_force_completion(adev); for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - if (adev->rings[i]) + if (adev->rings[i]) { + kthread_unpark(adev->rings[i]->sched.thread); kfree(ring_data[i]); + } } } |