From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ni.piap.pl (ni.piap.pl [195.187.100.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAC1B1C7013; Fri, 1 Aug 2025 12:20:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.187.100.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754050810; cv=none; b=kZrzguRYq/pjFlhR2OEVnmMpV7Zdod+W7JZySN9k8mvpv+47a7NG2pKa5Na3KtikVPQRBwyhabzZLtSqi2eYEiXT7sRSDwsXVNiN3lvfzy+LUWPAs8swj4SnWNkueUSwX1uf4QAvWyHky4R9OqiM8Fo4TCv48Sh4lA1gsAkx4lk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754050810; c=relaxed/simple; bh=2T5cFFYUwRk8ogWcHxlsJy/whKUCS6eAH0G0oVEzW1U=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=bdYx8kxdgLmHEggqyPerygkUFd1dZlVXA7Zx15iFa7sEo4C44iAQJWcD+PnO2Qho/0E+jBvc7X2Fk72kUqzpStYLnAz1Be4QEJ5nbKgnVOoMsPX6If/J3v9wrXWsibG6nOV/3eLH0dSG1R9DKZuCZSI4f3vaFZ90tO7WtwuF/g0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=piap.pl; spf=pass smtp.mailfrom=piap.pl; arc=none smtp.client-ip=195.187.100.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=piap.pl Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=piap.pl Received: from t19.piap.pl (OSB1819.piap.pl [10.0.9.19]) by ni.piap.pl (Postfix) with ESMTPS id 8E5C3C3EEAC9; Fri, 1 Aug 2025 14:19:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 ni.piap.pl 8E5C3C3EEAC9 From: =?utf-8?Q?Krzysztof_Ha=C5=82asa?= To: Stefan Klug Cc: Dafna Hirschfeld , Laurent Pinchart , Heiko Stuebner , Paul Elder , Jacopo Mondi , Ondrej Jirman , 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 In-Reply-To: ("Krzysztof =?utf-8?Q?Ha=C5=82as?= =?utf-8?Q?a=22's?= message of "Wed, 30 Jul 2025 12:30:23 +0200") References: <175308758352.3134829.9472501038683860006@localhost> <175326599663.2811177.16620980968274114885@localhost> <175344176070.2811177.10693943493658922992@localhost> Sender: khalasa@piap.pl Date: Fri, 01 Aug 2025 14:19:56 +0200 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, reporting from the field :-) At this point I've something like the following: - run camera apps in background (so the clocks etc. are up) - while (analyze_mi -m1 -s10000000 -r -a 0x32E21400 shows errors) { change_clock 0x30388A80 3 3 # 50 MHz change_clock 0x30388A80 0 3 # 200 MHz - the original settings } It all takes a couple of seconds. I guess I made some minor changes to analyze_mi.c, can post it if needed. where change_clock writes directly do the CCM registers (MEDIA_APB_ROOT_CLK) and sets "PRE" and "POST" dividers (3 and 3 =3D 800 MHz / (3 + 1) / (3 + 1) =3D 50 Mhz and the same for 200 Mhz. It appears to work. I'm getting (Connection closed =3D reboot): MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,999 Register 0x32E21400 mi_ctrl value 0 count 1 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,998 Register 0x32E21400 mi_ctrl value 0 count 1 Register 0x32E21400 mi_ctrl value 0x00010001 count 1 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,988 Register 0x32E21400 mi_ctrl value 0 count 12 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,781 Register 0x32E21400 mi_ctrl value 0 count 206 Register 0x32E21400 mi_ctrl value 0x3C380000 count 3 Register 0x32E21400 mi_ctrl value 0x000FD200 count 5 Register 0x32E21400 mi_ctrl value 0x3C440000 count 3 Register 0x32E21400 mi_ctrl value 0x3C140000 count 2 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,999 Register 0x32E21400 mi_ctrl value 0 count 1 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 9,999,752 Register 0x32E21400 mi_ctrl value 0 count 237 Register 0x32E21400 mi_ctrl value 0x3C140000 count 2 Register 0x32E21400 mi_ctrl value 0x000FD200 count 4 Register 0x32E21400 mi_ctrl value 0x3C380000 count 1 Register 0x32E21400 mi_ctrl value 0x3C440000 count 2 Register 0x32E21400 mi_ctrl value 0x3C2C0000 count 2 MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 16 =3D 50 MHz MEDIA_APB EN mux 2 pre 0 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition Connection to 10.0.9.123 closed by remote host. MEDIA_APB EN mux 2 pre 3 SYSTEM_PLL1_CLK / 4 =3D 200 MHz Register 0x32E21400 mi_ctrl value 0x007A2001 count 10,000,000 Found possibly stable condition --=20 Krzysztof "Chris" Ha=C5=82asa Sie=C4=87 Badawcza =C5=81ukasiewicz Przemys=C5=82owy Instytut Automatyki i Pomiar=C3=B3w PIAP Al. Jerozolimskie 202, 02-486 Warszawa