root/sys/dev/pci/drm/drm_fb_dma_helper.c
/* Public Domain */

#include <drm/drm_framebuffer.h>
#include <drm/drm_fb_dma_helper.h>
#include <drm/drm_gem_dma_helper.h>

struct drm_gem_dma_object *
drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb, unsigned int plane)
{
        struct drm_gem_object *obj;

        KASSERT(plane == 0);
        obj = fb->obj[plane];
        if (obj)
                return to_drm_gem_dma_obj(obj);
        return NULL;
}