From: Chunming Zhou Date: Mon, 27 Jun 2016 09:06:01 +0000 (+0800) Subject: drm/amdgpu: must update page table after gpu reset X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6adb0513a4bf8ac0b11b3f7676e4e4210016aadd;p=linux-beck.git 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 Signed-off-by: Chunming Zhou Signed-off-by: Alex Deucher --- 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;