Re: FYI: i.MX8MP ISP (RKISP1) MI registers corruption

From: Stefan Klug <stefan.klug@ideasonboard.com>
To: "Krzysztof Hałasa" <khalasa@piap.pl>
Cc: Dafna Hirschfeld <dafna@fastmail.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Heiko Stuebner <heiko@sntech.de>,
	Paul Elder <paul.elder@ideasonboard.com>,
	Jacopo Mondi <jacopo.mondi@ideasonboard.com>,
	Ondrej Jirman <megi@xff.cz>,
	linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: FYI: i.MX8MP ISP (RKISP1) MI registers corruption
Date: Fri, 25 Jul 2025 13:09:20 +0200	[thread overview]
Message-ID: <175344176070.2811177.10693943493658922992@localhost> (raw)
In-Reply-To: <m3h5z2vw12.fsf@t19.piap.pl>

Hi Krzysztof,

Quoting Krzysztof Hałasa (2025-07-24 10:21:45)
> Hi Stefan,
> 
> > Just a quick heads up. I ran the tester and so far no unexpected
> > results. I'll run it from time to time after a reboot to see if I ever
> > hit that condition.
> 
> Is your camera(s) connected to the first CSI?
> I cannot reproduce the problem on csi0, it seems only csi1 is
> affected. It would be consistent with NXP's workaround commit text.

Yes in that case it is connected to csi0. I sometimes have cases where
one is connected to csi1. I'll rerun the test when I use tha device
again.

Best regards,
Stefan

> -- 
> Krzysztof "Chris" Hałasa
> 
> Sieć Badawcza Łukasiewicz
> Przemysłowy Instytut Automatyki i Pomiarów PIAP
> Al. Jerozolimskie 202, 02-486 Warszawa