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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: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1502034068-51384-20-git-send-email-noralf@tronnes.org
zero-colors
Noralf Trønnes 2017-08-06 17:41:08 +02:00
parent dec844bcea
commit d956e1293b
2 changed files with 0 additions and 40 deletions
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35
drivers/gpu/drm/drm_gem_cma_helper.c
View File

@ -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,

5
include/drm/drm_gem_cma_helper.h
View File

@ -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);