drm/ttm: Remove ttm_bo_mmap() and friends

The function ttm_bo_mmap is unused. Remove it and it's helpers; including
the verify_access callback in struct ttm_device_funcs.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210525151055.8174-8-tzimmermann@suse.de

2 files changed, 0 insertions, 28 deletions

diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 254ede97f8e3..f2a5f37c61b7 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -525,19 +525,6 @@ void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct dma_buf_map *map);
 int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
 
 /**
- * ttm_bo_mmap - mmap out of the ttm device address space.
- *
- * @filp:      filp as input from the mmap method.
- * @vma:       vma as input from the mmap method.
- * @bdev:      Pointer to the ttm_device with the address space manager.
- *
- * This function is intended to be called by the device mmap method.
- * if the device address space is to be backed by the bo manager.
- */
-int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
-		struct ttm_device *bdev);
-
-/**
  * ttm_bo_io
  *
  * @bdev:      Pointer to the struct ttm_device.
diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h
index 7c8f87bd52d3..cd592f8e941b 100644
--- a/include/drm/ttm/ttm_device.h
+++ b/include/drm/ttm/ttm_device.h
@@ -162,21 +162,6 @@ struct ttm_device_funcs {
 		    struct ttm_place *hop);
 
 	/**
-	 * struct ttm_bo_driver_member verify_access
-	 *
-	 * @bo: Pointer to a buffer object.
-	 * @filp: Pointer to a struct file trying to access the object.
-	 *
-	 * Called from the map / write / read methods to verify that the
-	 * caller is permitted to access the buffer object.
-	 * This member may be set to NULL, which will refuse this kind of
-	 * access for all buffer objects.
-	 * This function should return 0 if access is granted, -EPERM otherwise.
-	 */
-	int (*verify_access)(struct ttm_buffer_object *bo,
-			     struct file *filp);
-
-	/**
 	 * Hook to notify driver about a resource delete.
 	 */
 	void (*delete_mem_notify)(struct ttm_buffer_object *bo);