drm_mode_legacy_fb_format
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth);
uint32_t fmt = drm_mode_legacy_fb_format(bpp, depth);
EXPORT_SYMBOL(drm_mode_legacy_fb_format);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,