On Tue, Aug 07, 2018 at 06:47:48PM +0100, Chris Wilson wrote:
> Since commit 09ea0dfbf972 ("dma-buf: make map_atomic and map function
> pointers optional"), we no longer need to provide stub no-op functions
> as the core now provides them directly.
>
> References: 09ea0dfbf972 ("dma-buf: make map_atomic and map function pointers optional")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: "Christian König" <christian.koenig@xxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | 2 --
> drivers/gpu/drm/drm_prime.c | 30 -----------------------
> include/drm/drm_prime.h | 3 ---
> 3 files changed, 35 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> index 1c5d97f4b4dd..3fdd5688da0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
> @@ -338,8 +338,6 @@ static const struct dma_buf_ops amdgpu_dmabuf_ops = {
> .unmap_dma_buf = drm_gem_unmap_dma_buf,
> .release = drm_gem_dmabuf_release,
> .begin_cpu_access = amdgpu_gem_begin_cpu_access,
> - .map = drm_gem_dmabuf_kmap,
> - .unmap = drm_gem_dmabuf_kunmap,
> .mmap = drm_gem_dmabuf_mmap,
> .vmap = drm_gem_dmabuf_vmap,
> .vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index 186db2e4c57a..e03d3bdaa59b 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -433,34 +433,6 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
> }
> EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
>
> -/**
> - * drm_gem_dmabuf_kmap - map implementation for GEM
> - * @dma_buf: buffer to be mapped
> - * @page_num: page number within the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.map callback.
> - */
> -void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
> -{
> - return NULL;
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kmap);
> -
> -/**
> - * drm_gem_dmabuf_kunmap - unmap implementation for GEM
> - * @dma_buf: buffer to be unmapped
> - * @page_num: page number within the buffer
> - * @addr: virtual address of the buffer
> - *
> - * Not implemented. This can be used as the &dma_buf_ops.unmap callback.
> - */
> -void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
> - void *addr)
> -{
> -
> -}
> -EXPORT_SYMBOL(drm_gem_dmabuf_kunmap);
> -
> /**
> * drm_gem_dmabuf_mmap - dma_buf mmap implementation for GEM
> * @dma_buf: buffer to be mapped
> @@ -489,8 +461,6 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
> .map_dma_buf = drm_gem_map_dma_buf,
> .unmap_dma_buf = drm_gem_unmap_dma_buf,
> .release = drm_gem_dmabuf_release,
> - .map = drm_gem_dmabuf_kmap,
> - .unmap = drm_gem_dmabuf_kunmap,
> .mmap = drm_gem_dmabuf_mmap,
> .vmap = drm_gem_dmabuf_vmap,
> .vunmap = drm_gem_dmabuf_vunmap,
> diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
> index d716d653b096..e2032fbc0f08 100644
> --- a/include/drm/drm_prime.h
> +++ b/include/drm/drm_prime.h
> @@ -93,9 +93,6 @@ void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
> enum dma_data_direction dir);
> void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
> void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
> -void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num);
> -void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
> - void *addr);
> int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
>
> int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
> --
> 2.18.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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