include/drm/drm_fb_dma_helper.h


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/* 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;
struct drm_plane_state;
struct drm_scanout_buffer;

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);

int drm_fb_dma_get_scanout_buffer(struct drm_plane *plane,
				  struct drm_scanout_buffer *sb);

#endif