[PATCH 2/8] drm/amdgpu: Remove unused function amdgpu_bo_fbdev_mmap()

[Christian König]

Am 06.04.21 um 11:08 schrieb Thomas Zimmermann:
> Remove an unused function. Mapping the fbdev framebuffer is apparently
> not supported.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>

Reviewed-by: Christian König <christian.koenig at amd.com>

Should I just upstream this through our internal branches?

Thanks,
Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 19 -------------------
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  2 --
>   2 files changed, 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index b99e9d8736c2..cfc89164dee8 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -1092,25 +1092,6 @@ void amdgpu_bo_fini(struct amdgpu_device *adev)
>   	}
>   }
>   
> -/**
> - * amdgpu_bo_fbdev_mmap - mmap fbdev memory
> - * @bo: &amdgpu_bo buffer object
> - * @vma: vma as input from the fbdev mmap method
> - *
> - * Calls ttm_fbdev_mmap() to mmap fbdev memory if it is backed by a bo.
> - *
> - * Returns:
> - * 0 for success or a negative error code on failure.
> - */
> -int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
> -			     struct vm_area_struct *vma)
> -{
> -	if (vma->vm_pgoff != 0)
> -		return -EACCES;
> -
> -	return ttm_bo_mmap_obj(vma, &bo->tbo);
> -}
> -
>   /**
>    * amdgpu_bo_set_tiling_flags - set tiling flags
>    * @bo: &amdgpu_bo buffer object
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index 54ceb065e546..46e94d413c5c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -268,8 +268,6 @@ void amdgpu_bo_unpin(struct amdgpu_bo *bo);
>   int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
>   int amdgpu_bo_init(struct amdgpu_device *adev);
>   void amdgpu_bo_fini(struct amdgpu_device *adev);
> -int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
> -				struct vm_area_struct *vma);
>   int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
>   void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
>   int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,