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dma-buf: remove kmap_atomic interface

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Neither used nor correctly implemented anywhere. Just completely remove
the interface.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/226645/
This commit is contained in:
Christian König
2018-05-28 13:34:01 +02:00
committed by Christian König
parent a19741e5e5
commit f664a52695
17 changed files with 2 additions and 165 deletions
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31
drivers/gpu/drm/drm_prime.c
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@@ -433,35 +433,6 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
}
EXPORT_SYMBOL(drm_gem_dmabuf_vunmap);
/**
* drm_gem_dmabuf_kmap_atomic - map_atomic 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_atomic callback.
*/
void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
unsigned long page_num)
{
return NULL;
}
EXPORT_SYMBOL(drm_gem_dmabuf_kmap_atomic);
/**
* drm_gem_dmabuf_kunmap_atomic - unmap_atomic 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_atomic callback.
*/
void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
unsigned long page_num, void *addr)
{
}
EXPORT_SYMBOL(drm_gem_dmabuf_kunmap_atomic);
/**
* drm_gem_dmabuf_kmap - map implementation for GEM
* @dma_buf: buffer to be mapped
@@ -519,9 +490,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
.unmap_dma_buf = drm_gem_unmap_dma_buf,
.release = drm_gem_dmabuf_release,
.map = drm_gem_dmabuf_kmap,
.map_atomic = drm_gem_dmabuf_kmap_atomic,
.unmap = drm_gem_dmabuf_kunmap,
.unmap_atomic = drm_gem_dmabuf_kunmap_atomic,
.mmap = drm_gem_dmabuf_mmap,
.vmap = drm_gem_dmabuf_vmap,
.vunmap = drm_gem_dmabuf_vunmap,