|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __DRM_FB_DMA_HELPER_H__ | 
|  | #define __DRM_FB_DMA_HELPER_H__ | 
|  |  | 
|  | #include <linux/types.h> | 
|  |  | 
|  | struct drm_device; | 
|  | struct drm_framebuffer; | 
|  | struct drm_plane_state; | 
|  |  | 
|  | struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb, | 
|  | unsigned int plane); | 
|  |  | 
|  | dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb, | 
|  | struct drm_plane_state *state, | 
|  | unsigned int plane); | 
|  |  | 
|  | void drm_fb_dma_sync_non_coherent(struct drm_device *drm, | 
|  | struct drm_plane_state *old_state, | 
|  | struct drm_plane_state *state); | 
|  |  | 
|  | #endif | 
|  |  |