include/drm/drm_gem_dma_helper.h

1 /* SPDX-License-Identifier: GPL-2.0 */
12  * struct drm_gem_dma_object - GEM object backed by DMA memory allocations
14  * @dma_addr: DMA address of the backing memory
17  *       DMA addresses.
19  * @map_noncoherent: if true, the GEM object is backed by non-coherent memory
26 	/* For objects with DMA memory allocated by GEM DMA */
52  * drm_gem_dma_object_free - GEM object function for drm_gem_dma_free()
55  * This function wraps drm_gem_dma_free_object(). Drivers that employ the DMA helpers
66  * drm_gem_dma_object_print_info() - Print &drm_gem_dma_object info for debugfs
71  * This function wraps drm_gem_dma_print_info(). Drivers that employ the DMA helpers
83  * drm_gem_dma_object_get_sg_table - GEM object function for drm_gem_dma_get_sg_table()
86  * This function wraps drm_gem_dma_get_sg_table(). Drivers that employ the DMA helpers should
100  * drm_gem_dma_object_vmap - GEM object function for drm_gem_dma_vmap()
102  * @map: Returns the kernel virtual address of the DMA GEM object's backing store.
104  * This function wraps drm_gem_dma_vmap(). Drivers that employ the DMA helpers should
119  * drm_gem_dma_object_mmap - GEM object function for drm_gem_dma_mmap()
123  * This function wraps drm_gem_dma_mmap(). Drivers that employ the dma helpers should
156  * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE - DMA GEM driver operations
159  * This macro provides a shortcut for setting the default GEM operations in the
163  * override the default implementation of &struct rm_driver.dumb_create. Use
173  * DRM_GEM_DMA_DRIVER_OPS - DMA GEM driver operations
175  * This macro provides a shortcut for setting the default GEM operations in the
188  * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - DMA GEM driver operations
193  * This macro provides a shortcut for setting the default GEM operations in the
198  * override the default implementation of &struct drm_driver.dumb_create. Use
208  * DRM_GEM_DMA_DRIVER_OPS_VMAP - DMA GEM driver operations ensuring a virtual
211  * This macro provides a shortcut for setting the default GEM operations in the
247  * DEFINE_DRM_GEM_DMA_FOPS() - macro to generate file operations for DMA drivers
250  * This macro autogenerates a suitable &struct file_operations for DMA based
255  * Note that the declaration is already marked as static - if you need a
256  * non-static version of this you're probably doing it wrong and will break the