include/drm/drm_gem.h

5  * GEM Graphics Execution Manager Driver Interfaces
58  * become puregeable until it becomes idle.  The status gem object func does
67  * struct drm_gem_object_funcs - GEM object functions
82 	 * Called upon GEM handle creation.
91 	 * Called upon GEM handle release.
178 	 * Handle mmap() of the gem object, setup vma accordingly.
191 	 * Evicts gem object out from memory. Used by the drm_gem_object_evict()
233  * A helper for tracking GEM objects in a given state, to aid in
243 	 * Lock protecting movement of GEM objects between LRUs.  All
252 	 * The total number of backing pages of the GEM objects in
266  * struct drm_gem_object - GEM buffer object
268  * This structure defines the generic parts for GEM buffer objects, which are
280 	 * or drm_gem_object_put() to release a reference to a GEM
288 	 * This is the GEM file_priv handle count of this object.
307 	 * GEM also supports driver private objects with driver-specific backing
345 	 * dma-buf associated with this GEM object.
347 	 * Pointer to the dma-buf associated with this gem object (either
349 	 * loop when the last gem handle for this object is released.
360 	 * Any foreign dma_buf imported as a gem object has this set to the
362 	 * of a gem object.
368 	 * Note that the drm gem/prime core does not depend upon drivers setting
378 	 * Pointer to reservation object associated with the this GEM object.
380 	 * Normally (@resv == &@_resv) except for imported GEM objects.
387 	 * A reservation object for this GEM object.
389 	 * This is unused for imported GEM objects.
396 	 * Provides the list of GPU VAs attached to this GEM object.
412 	 * Optional GEM object functions. If this is set, it will be used instead of the
413 	 * corresponding &drm_driver GEM callbacks.
430 	 * The current LRU list that the GEM object is on.
436  * DRM_GEM_FOPS - Default drm GEM file operations
438  * This macro provides a shorthand for setting the GEM file ops in the
454  * DEFINE_DRM_GEM_FOPS() - macro to generate file operations for GEM drivers
457  * This macro autogenerates a suitable &struct file_operations for GEM based
486  * drm_gem_object_get - acquire a GEM buffer object reference
487  * @obj: GEM buffer object
505  * drm_gem_object_put - drop a GEM buffer object reference
506  * @obj: GEM buffer object
564  * if a GEM object is shared.
585 		  "GEM GPUVA lock should be set only once.")) \
597  * drm_gem_gpuva_init() - initialize the gpuva list of a GEM object
621 	list_for_each_entry(entry__, &(obj__)->gpuva.list, list.entry.gem)
635 	list_for_each_entry_safe(entry__, next__, &(obj__)->gpuva.list, list.entry.gem)