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Commit d956e129 authored by Noralf Trønnes's avatar Noralf Trønnes
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drm/gem-cma-helper: Remove drm_gem_cma_dumb_map_offset() 



There are no more users of drm_gem_cma_dumb_map_offset(), so remove it.

Signed-off-by: default avatarNoralf Trønnes <noralf@tronnes.org>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1502034068-51384-20-git-send-email-noralf@tronnes.org
parent dec844bc

drivers/gpu/drm/drm_gem_cma_helper.c

+0 −35
Original line number Diff line number Diff line
@@ -264,41 +264,6 @@ int drm_gem_cma_dumb_create(struct drm_file *file_priv, 
}

EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_create);



/**

 * drm_gem_cma_dumb_map_offset - return the fake mmap offset for a CMA GEM

 *     object

 * @file_priv: DRM file-private structure containing the GEM object

 * @drm: DRM device

 * @handle: GEM object handle

 * @offset: return location for the fake mmap offset

 *

 * This function look up an object by its handle and returns the fake mmap

 * offset associated with it. Drivers using the CMA helpers should set this

 * as their &drm_driver.dumb_map_offset callback.

 *

 * Returns:

 * 0 on success or a negative error code on failure.

 */

int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,

				struct drm_device *drm, u32 handle,

				u64 *offset)

{

	struct drm_gem_object *gem_obj;



	gem_obj = drm_gem_object_lookup(file_priv, handle);

	if (!gem_obj) {

		dev_err(drm->dev, "failed to lookup GEM object\n");

		return -EINVAL;

	}



	*offset = drm_vma_node_offset_addr(&gem_obj->vma_node);



	drm_gem_object_put_unlocked(gem_obj);



	return 0;

}

EXPORT_SYMBOL_GPL(drm_gem_cma_dumb_map_offset);



const struct vm_operations_struct drm_gem_cma_vm_ops = {

	.open = drm_gem_vm_open,

	.close = drm_gem_vm_close,

include/drm/drm_gem_cma_helper.h

+0 −5
Original line number Diff line number Diff line
@@ -73,11 +73,6 @@ int drm_gem_cma_dumb_create(struct drm_file *file_priv, 
			    struct drm_device *drm,

			    struct drm_mode_create_dumb *args);



/* map memory region for DRM framebuffer to user space */

int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,

				struct drm_device *drm, u32 handle,

				u64 *offset);



/* set vm_flags and we can change the VM attribute to other one at here */

int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma);