On Fri, Mar 29, 2019 at 6:45 AM Christian König
<ckoenig.leichtzumer...@gmail.com> wrote:
>
> We are going to need that for recoverable page faults.
>
> Signed-off-by: Christian König <christian.koe...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 1 +
> drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index beac15bca526..91baf95212a6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -303,6 +303,7 @@ struct amdgpu_vm_manager {
> const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
> struct drm_sched_rq *vm_pte_rqs[AMDGPU_MAX_RINGS];
> unsigned vm_pte_num_rqs;
> + struct amdgpu_ring *page_fault;
>
> /* partial resident texture handling */
> spinlock_t prt_lock;
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> index 8691b621148e..44f4845dacf4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> @@ -2292,6 +2292,7 @@ static void sdma_v4_0_set_vm_pte_funcs(struct
> amdgpu_device *adev)
> &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
> }
> adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances -
> 1;
> + adev->vm_manager.page_fault = &adev->sdma.instance[0].page;
What about asics that don't have the page queue? Shouldn't we handle
them as well?
Alex
> } else {
> for (i = 0; i < adev->sdma.num_instances; i++) {
> sched = &adev->sdma.instance[i].ring.sched;
> --
> 2.17.1
>
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