drm_gem_fb_end_cpu_access
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
EXPORT_SYMBOL(drm_gem_fb_end_cpu_access);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);