include/drm/drm_gem.h

5  * GEM Graphics Execution Manager Driver Interfaces
60  * the puregeable stats until it becomes idle.  The status gem object func does
70  * struct drm_gem_object_funcs - GEM object functions
85 	 * Called upon GEM handle creation.
94 	 * Called upon GEM handle release.
181 	 * Handle mmap() of the gem object, setup vma accordingly.
194 	 * Evicts gem object out from memory. Used by the drm_gem_object_evict()
236  * A helper for tracking GEM objects in a given state, to aid in
246 	 * Lock protecting movement of GEM objects between LRUs.  All
255 	 * The total number of backing pages of the GEM objects in
269  * struct drm_gem_object - GEM buffer object
271  * This structure defines the generic parts for GEM buffer objects, which are
283 	 * or drm_gem_object_put() to release a reference to a GEM
291 	 * This is the GEM file_priv handle count of this object.
310 	 * GEM also supports driver private objects with driver-specific backing
348 	 * dma-buf associated with this GEM object.
350 	 * Pointer to the dma-buf associated with this gem object (either
352 	 * loop when the last gem handle for this object is released.
363 	 * Any foreign dma_buf imported as a gem object has this set to the
365 	 * of a gem object.
371 	 * Note that the drm gem/prime core does not depend upon drivers setting
381 	 * Pointer to reservation object associated with the this GEM object.
383 	 * Normally (@resv == &@_resv) except for imported GEM objects.
390 	 * A reservation object for this GEM object.
392 	 * This is unused for imported GEM objects.
399 	 * Provides the list of GPU VAs attached to this GEM object.
415 	 * Optional GEM object functions. If this is set, it will be used instead of the
416 	 * corresponding &drm_driver GEM callbacks.
433 	 * The current LRU list that the GEM object is on.
439  * DRM_GEM_FOPS - Default drm GEM file operations
441  * This macro provides a shorthand for setting the GEM file ops in the
457  * DEFINE_DRM_GEM_FOPS() - macro to generate file operations for GEM drivers
460  * This macro autogenerates a suitable &struct file_operations for GEM based
492  * drm_gem_object_get - acquire a GEM buffer object reference
493  * @obj: GEM buffer object
511  * drm_gem_object_put - drop a GEM buffer object reference
512  * @obj: GEM buffer object
570  * if a GEM object is shared.
580  * drm_gem_is_imported() - Tests if GEM object's buffer has been imported
581  * @obj: the GEM object
584  * True if the GEM object's buffer has been imported, false otherwise
603 		  "GEM GPUVA lock should be set only once.")) \
615  * drm_gem_gpuva_init() - initialize the gpuva list of a GEM object
639 	list_for_each_entry(entry__, &(obj__)->gpuva.list, list.entry.gem)
653 	list_for_each_entry_safe(entry__, next__, &(obj__)->gpuva.list, list.entry.gem)