diff options
| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-06-27 12:06:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 22:06:02 +0300 |
| commit | 6adb0513a4bf8ac0b11b3f7676e4e4210016aadd (patch) | |
| tree | ee5f95891b361b3beeff62dbf502e9e1b67824c3 /drivers/gpu/drm | |
| parent | 847b6cf9fb771341a550661ef61d510722eba785 (diff) | |
| download | linux-6adb0513a4bf8ac0b11b3f7676e4e4210016aadd.tar.xz | |
drm/amdgpu: must update page table after gpu reset
Record the gpu reset count in vmid to identify if gpu reset happened.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7df1f486f1fb..0c8be665ca2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -897,6 +897,8 @@ struct amdgpu_vm_id { /* last flushed PD/PT update */ struct fence *flushed_updates; + uint32_t current_gpu_reset_count; + uint32_t gds_base; uint32_t gds_size; uint32_t gws_base; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index ea10b7af33df..be0941621f4d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -255,6 +255,8 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, /* Check all the prerequisites to using this VMID */ if (!id) continue; + if (id->current_gpu_reset_count != atomic_read(&adev->gpu_reset_counter)) + continue; if (atomic64_read(&id->owner) != vm->client_id) continue; @@ -278,6 +280,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, if (r) goto error; + id->current_gpu_reset_count = atomic_read(&adev->gpu_reset_counter); list_move_tail(&id->list, &adev->vm_manager.ids_lru); vm->ids[ring->idx] = id; |