1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __DRM_FB_DMA_HELPER_H__
3 #define __DRM_FB_DMA_HELPER_H__
4 
5 #include <linux/types.h>
6 
7 struct drm_device;
8 struct drm_framebuffer;
9 struct drm_plane_state;
10 
11 struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
12 	unsigned int plane);
13 
14 dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb,
15 				   struct drm_plane_state *state,
16 				   unsigned int plane);
17 
18 void drm_fb_dma_sync_non_coherent(struct drm_device *drm,
19 				  struct drm_plane_state *old_state,
20 				  struct drm_plane_state *state);
21 
22 #endif
23 
24