Am 2021-04-22 um 11:39 a.m. schrieb Nirmoy Das:
> Currently only way to create compute vm is through
> amdgpu_vm_make_compute(). So vm_context isn't required
> anymore for amdgpu_vm_init().
>
> Signed-off-by: Nirmoy Das <[email protected]>

I believe you can also remove the AMDGPU_VM_CONTEXT_* #defines from
amdgpu_vm.h. With that fixed, the patch is

Reviewed-by: Felix Kuehling <[email protected]>


> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c |  3 ++-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c  | 16 +++-------------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h  |  3 +--
>  3 files changed, 6 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 39ee88d29cca..07e8a7c28561 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -1114,7 +1114,8 @@ int amdgpu_driver_open_kms(struct drm_device *dev, 
> struct drm_file *file_priv)
>               dev_warn(adev->dev, "No more PASIDs available!");
>               pasid = 0;
>       }
> -     r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
> +
> +     r = amdgpu_vm_init(adev, &fpriv->vm, pasid);
>       if (r)
>               goto error_pasid;
>  
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index f95bcda8463f..577148a4ffaa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -2782,8 +2782,7 @@ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long 
> timeout)
>   * Returns:
>   * 0 for success, error for failure.
>   */
> -int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
> -                int vm_context, u32 pasid)
> +int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, u32 
> pasid)
>  {
>       struct amdgpu_bo_param bp;
>       struct amdgpu_bo *root;
> @@ -2817,16 +2816,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct 
> amdgpu_vm *vm,
>       vm->pte_support_ats = false;
>       vm->is_compute_context = false;
>  
> -     if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE) {
> -             vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> -                                             AMDGPU_VM_USE_CPU_FOR_COMPUTE);
> +     vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> +                                 AMDGPU_VM_USE_CPU_FOR_GFX);
>  
> -             if (adev->asic_type == CHIP_RAVEN)
> -                     vm->pte_support_ats = true;
> -     } else {
> -             vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> -                                             AMDGPU_VM_USE_CPU_FOR_GFX);
> -     }
>       DRM_DEBUG_DRIVER("VM update mode is %s\n",
>                        vm->use_cpu_for_update ? "CPU" : "SDMA");
>       WARN_ONCE((vm->use_cpu_for_update &&
> @@ -2844,8 +2836,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct 
> amdgpu_vm *vm,
>       vm->evicting = false;
>  
>       amdgpu_vm_bo_param(adev, vm, adev->vm_manager.root_level, false, &bp);
> -     if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE)
> -             bp.flags &= ~AMDGPU_GEM_CREATE_SHADOW;
>       r = amdgpu_bo_create(adev, &bp, &root);
>       if (r)
>               goto error_free_delayed;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index 848e175e99ff..7f07acae447b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -379,8 +379,7 @@ void amdgpu_vm_manager_init(struct amdgpu_device *adev);
>  void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
>  
>  long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout);
> -int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
> -                int vm_context, u32 pasid);
> +int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, u32 
> pasid);
>  int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm, 
> u32 pasid);
>  void amdgpu_vm_release_compute(struct amdgpu_device *adev, struct amdgpu_vm 
> *vm);
>  void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
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