Commit c30b225d authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/vram: Unexport internal functions of VRAM MM 



The init, cleanup and mmap functions of VRAM MM are only used internally.
Remove them from the public interface.

v2:
	* update for debugfs support

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911110910.30698-4-tzimmermann@suse.de
parent b0e40e08

drivers/gpu/drm/drm_gem_vram_helper.c

+5 −33
Original line number Diff line number Diff line
@@ -889,18 +889,7 @@ int drm_vram_mm_debugfs_init(struct drm_minor *minor) 
}

EXPORT_SYMBOL(drm_vram_mm_debugfs_init);



/**

 * drm_vram_mm_init() - Initialize an instance of VRAM MM.

 * @vmm:	the VRAM MM instance to initialize

 * @dev:	the DRM device

 * @vram_base:	the base address of the video memory

 * @vram_size:	the size of the video memory in bytes

 *

 * Returns:

 * 0 on success, or

 * a negative error code otherwise.

 */

int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,

static int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,

			    uint64_t vram_base, size_t vram_size)

{

	int ret;
@@ -921,34 +910,17 @@ int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev, 


	return 0;

}

EXPORT_SYMBOL(drm_vram_mm_init);



/**

 * drm_vram_mm_cleanup() - Cleans up an initialized instance of VRAM MM.

 * @vmm:	the VRAM MM instance to clean up

 */

void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)

static void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)

{

	ttm_bo_device_release(&vmm->bdev);

}

EXPORT_SYMBOL(drm_vram_mm_cleanup);



/**

 * drm_vram_mm_mmap() - Helper for implementing &struct file_operations.mmap()

 * @filp:	the mapping's file structure

 * @vma:	the mapping's memory area

 * @vmm:	the VRAM MM instance

 *

 * Returns:

 * 0 on success, or

 * a negative error code otherwise.

 */

int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,

static int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,

			    struct drm_vram_mm *vmm)

{

	return ttm_bo_mmap(filp, vma, &vmm->bdev);

}

EXPORT_SYMBOL(drm_vram_mm_mmap);



/*

 * Helpers for integration with struct drm_device

include/drm/drm_gem_vram_helper.h

+0 −6
Original line number Diff line number Diff line
@@ -171,12 +171,6 @@ static inline struct drm_vram_mm *drm_vram_mm_of_bdev( 
}



int drm_vram_mm_debugfs_init(struct drm_minor *minor);

int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,

		     uint64_t vram_base, size_t vram_size);

void drm_vram_mm_cleanup(struct drm_vram_mm *vmm);



int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,

		     struct drm_vram_mm *vmm);



/*

 * Helpers for integration with struct drm_device