11  * multiple GEM objects while preparing hardware operations (e.g. command
15  * unlocks all previously locked GEM objects and locks the contended one first
16  * before locking any further objects.
53 /* Unlock all objects and drop references */
72  * @nr: the initial # of objects
74  * Initialize the object and make sure that we can track locked objects.
76  * If nr is non-zero then it is used as the initial objects table size.
85 	exec->objects = kvmalloc_array(nr, sizeof(void *), GFP_KERNEL);  in drm_exec_init()
88 	exec->max_objects = exec->objects ? nr : 0;  in drm_exec_init()
99  * Unlock all locked objects, drop the references to objects and free all memory
105 	kvfree(exec->objects);  in drm_exec_fini()
119  * objects locked.
148 		tmp = kvrealloc(exec->objects, size + PAGE_SIZE, GFP_KERNEL);  in drm_exec_obj_locked()
152 		exec->objects = tmp;  in drm_exec_obj_locked()
156 	exec->objects[exec->num_objects++] = obj;  in drm_exec_obj_locked()
256  * Unlock the GEM object and remove it from the collection of locked objects.
257  * Should only be used to unlock the most recently locked objects. It's not time
258  * efficient to unlock objects locked long ago.
265 		if (exec->objects[i] == obj) {  in drm_exec_unlock_obj()
268 				exec->objects[i - 1] = exec->objects[i];  in drm_exec_unlock_obj()
309  * drm_exec_prepare_array - helper to prepare an array of objects
311  * @objects: array of GEM object to prepare
312  * @num_objects: number of GEM objects in the array
315  * Prepares all GEM objects in an array, aborts on first error.
322 			   struct drm_gem_object **objects,  in drm_exec_prepare_array()  argument
329 		ret = drm_exec_prepare_obj(exec, objects[i], num_fences);  in drm_exec_prepare_array()