mtk_disp_mutex_acquire  470 drivers/gpu/drm/mediatek/mtk_drm_crtc.c 		mtk_disp_mutex_acquire(mtk_crtc->mutex);
mtk_disp_mutex_acquire   32 drivers/gpu/drm/mediatek/mtk_drm_ddp.h void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex);