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편집 파일: 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; 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