name : drm_fb_dma_helper.h /* 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