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authorChunming Zhou <David1.Zhou@amd.com>2016-06-30 16:44:41 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-07-07 15:06:14 -0400
commita3c47d6bdc34a74179e4794d75a578e71f14a1f8 (patch)
treef55a4bc02639eda71ec47e1c088b57bf9281c22e
parente686e75dacb262a7d5f6673e1b9bfe0e62cd287a (diff)
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drm/amdgpu: block ttm first before parking scheduler
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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c5
1 files 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 36d00b20afa0..1f6121a2a94b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1936,6 +1936,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
atomic_inc(&adev->gpu_reset_counter);
+ /* block TTM */
+ resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
+
/* block scheduler */
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
@@ -1945,8 +1948,6 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
kthread_park(ring->sched.thread);
}
- /* block TTM */
- resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
/* save scratch */
amdgpu_atombios_scratch_regs_save(adev);