mtk_drm_gem_prime_vmap  374 drivers/gpu/drm/mediatek/mtk_drm_drv.c 	.gem_prime_vmap = mtk_drm_gem_prime_vmap,
mtk_drm_gem_prime_vmap   48 drivers/gpu/drm/mediatek/mtk_drm_gem.h void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj);