On 24.04.18 15:33, JeffyChen wrote: >>> [?? 36.076577] WARNING: CPU: 1 PID: 83 at >>> drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1004 >>> vop_crtc_atomic_flush+0x1c0/0x1c8 > > this looks like an issue recently reported by heiko, we found that might > due to an unbalanced irq disable in vop driver. > > my test patch is: > > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c > @@ -1601,6 +1601,8 @@ static void vop_unbind(struct device *dev, struct > device *master, void *data) > ?{ > ??????? struct vop *vop = dev_get_drvdata(dev); > > +?????? // Pair with the initial disable_irq() > +?????? enable_irq(vop->irq); > > > > and i think sandy would send the real patch soon(maybe already sent?) Works fine with your patch! Thank you very much Jeffy. Best regards, Jakob