Commit eb69c8a4 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/gem: Unexport drm_gem_(un)pin/v(un)map 



They're purely for internal use, not for drivers.

Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-3-daniel.vetter@ffwll.ch
parent 8db420ac

drivers/gpu/drm/drm_gem.c

+0 −32
Original line number Diff line number Diff line
@@ -1216,15 +1216,6 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 
		obj->dev->driver->gem_print_info(p, indent, obj);

}



/**

 * drm_gem_pin - Pin backing buffer in memory

 * @obj: GEM object

 *

 * Make sure the backing buffer is pinned in memory.

 *

 * Returns:

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

 */

int drm_gem_pin(struct drm_gem_object *obj)

{

	if (obj->funcs && obj->funcs->pin)
@@ -1234,14 +1225,7 @@ int drm_gem_pin(struct drm_gem_object *obj) 
	else

		return 0;

}

EXPORT_SYMBOL(drm_gem_pin);



/**

 * drm_gem_unpin - Unpin backing buffer from memory

 * @obj: GEM object

 *

 * Relax the requirement that the backing buffer is pinned in memory.

 */

void drm_gem_unpin(struct drm_gem_object *obj)

{

	if (obj->funcs && obj->funcs->unpin)
@@ -1249,16 +1233,7 @@ void drm_gem_unpin(struct drm_gem_object *obj) 
	else if (obj->dev->driver->gem_prime_unpin)

		obj->dev->driver->gem_prime_unpin(obj);

}

EXPORT_SYMBOL(drm_gem_unpin);



/**

 * drm_gem_vmap - Map buffer into kernel virtual address space

 * @obj: GEM object

 *

 * Returns:

 * A virtual pointer to a newly created GEM object or an ERR_PTR-encoded negative

 * error code on failure.

 */

void *drm_gem_vmap(struct drm_gem_object *obj)

{

	void *vaddr;
@@ -1275,13 +1250,7 @@ void *drm_gem_vmap(struct drm_gem_object *obj) 


	return vaddr;

}

EXPORT_SYMBOL(drm_gem_vmap);



/**

 * drm_gem_vunmap - Remove buffer mapping from kernel virtual address space

 * @obj: GEM object

 * @vaddr: Virtual address (can be NULL)

 */

void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr)

{

	if (!vaddr)
@@ -1292,7 +1261,6 @@ void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr) 
	else if (obj->dev->driver->gem_prime_vunmap)

		obj->dev->driver->gem_prime_vunmap(obj, vaddr);

}

EXPORT_SYMBOL(drm_gem_vunmap);



/**

 * drm_gem_lock_reservations - Sets up the ww context and acquires

drivers/gpu/drm/drm_internal.h

+5 −0
Original line number Diff line number Diff line
@@ -133,6 +133,11 @@ void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 
void drm_gem_print_info(struct drm_printer *p, unsigned int indent,

			const struct drm_gem_object *obj);



int drm_gem_pin(struct drm_gem_object *obj);

void drm_gem_unpin(struct drm_gem_object *obj);

void *drm_gem_vmap(struct drm_gem_object *obj);

void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);



/* drm_debugfs.c drm_debugfs_crc.c */

#if defined(CONFIG_DEBUG_FS)

int drm_debugfs_init(struct drm_minor *minor, int minor_id,

include/drm/drm_gem.h

+0 −5
Original line number Diff line number Diff line
@@ -401,9 +401,4 @@ int drm_gem_dumb_destroy(struct drm_file *file, 
			 struct drm_device *dev,

			 uint32_t handle);



int drm_gem_pin(struct drm_gem_object *obj);

void drm_gem_unpin(struct drm_gem_object *obj);

void *drm_gem_vmap(struct drm_gem_object *obj);

void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);



#endif /* __DRM_GEM_H__ */

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