[regression, bisected] rockchip rk3399 video output breakage
Jakob Unterwurzacher
jakob.unterwurzacher at theobroma-systems.com
Tue Apr 24 06:47:35 PDT 2018
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
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