From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0703BC4345F for ; Fri, 3 May 2024 12:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zvWIX5J5BJib+HVv3piC7+WeWpAeMA6YUWdWAV38t9w=; b=1oEYO0r4hHrPVm /ifoTq8wyyi9cF0nymcpqoSibP8b+CvfZYLUDOGW+PqC4Am7ArDtflTVAB05Zs8bh46Rg1Y5hcZR5 GllQ6gVlnJ5wjVkN2DdJg5HyA+M2HWSuK8bQRRqocAG1hn4TCqZM+nHiufr7mZGo2JYRFiSgILIOL C68hzDJDyM+jqFUYd3XsVksShTESYUmi5qsVqe7lNQzTOFStqsgEGc4TFrvQWJ2qm31Vlg4vPpA8Z hVxNaew4MMVaReB4eTDegIIfjG9T7YfpTTTMnMNprdiHvXCs4GuZaV6ov6DgBin4MuP/+TcxKeH/4 y3aXtxSP7vU4kYkmLxyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2sUi-0000000GWCB-1p8f; Fri, 03 May 2024 12:58:32 +0000 Received: from mx1.tq-group.com ([93.104.207.81]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2sUd-0000000GWAR-1l9w for linux-arm-kernel@lists.infradead.org; Fri, 03 May 2024 12:58:30 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1714741107; x=1746277107; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VMoe7SYlALrfWi5S2dB+GJHXhcLLyVr0yLlsMrIAcus=; b=Q2lQVZBriLxV/hYQnuW2SantoXkLXoV4oXUjrOBvw6kf9qGZFkntg+YQ UbmkUe3a7dJ8uvG5SVXXQ8SVbnHJ0lEBB5N8HDWQc33U1N4cnyFcQJcj1 rqoBTRB8lthC7voRCcoagFvGNorzG3kHc4BXm83fF63qH5HuwmMYbkSGe 8vJZhUA8Gn6fY6tGSdCTcJVdkY3VyT0nupLnDTVlsUIPQV522UL4RJpmO AcdqIr/62ySjdQ6UsJOVyhc9I7qwSfzjnA2Y2GpUcE/vAEHgBye/SZOgx +F1IjcqUn+ED5Wo9fkwEaWgy3va2LPh/3tw/g1r/xc2WAmYZ9XuaC5bHh Q==; X-IronPort-AV: E=Sophos;i="6.07,251,1708383600"; d="scan'208";a="36736105" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 03 May 2024 14:58:21 +0200 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E854D173347; Fri, 3 May 2024 14:58:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1714741097; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=VMoe7SYlALrfWi5S2dB+GJHXhcLLyVr0yLlsMrIAcus=; b=jIQO3pMZb8c00MezK1nZkV4/fjV+Ri8QgIKvKWYAuQ1yBoOnKyBUZ1Axolmy3EIsnY5ThQ GcP2eUCkmUs8eL7nJWlbXWMBtVkUsRTIrwhb/LyKjVnjzlcpAEqGJ5onwAcXHYn+oXNbSZ XHvercmx57IhmxwPisbVdIC+wT2f9pzZjVkBYCW9AqWAU24AeQ3X9rMX5kFvLvsdGNt61f eALqH0AA4/ki/f4v+wrz4nOBIwL/Y4X66r8uGOUxyjgK3rx0ApiJlNQ+gqxoBalEwZUWWe rOfkRF7HZ/AD+9tAyDjYrt/vUzrgVDHMWzP0Q9I26CwhQ25H6VjfO/jbD5MZPQ== From: Alexander Stein To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Laurent Pinchart , Paul Elder , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, Marek Vasut Subject: Re: [PATCH v2] arm64: dts: imx8mp: Align both CSI2 pixel clock Date: Fri, 03 May 2024 14:58:19 +0200 Message-ID: <3311352.aeNJFYEL58@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <2327389.ElGaqSPkdT@steina-w> References: <20240416141914.9375-1-marex@denx.de> <2327389.ElGaqSPkdT@steina-w> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240503_055827_947778_4BCB1ED3 X-CRM114-Status: GOOD ( 19.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Am Mittwoch, 17. April 2024, 11:12:04 CEST schrieb Alexander Stein: > Am Dienstag, 16. April 2024, 16:19:10 CEST schrieb Marek Vasut: > > Configure both CSI2 assigned-clock-rates the same way. > > There does not seem to be any reason for keeping the > > two CSI2 pixel clock set to different frequencies. > > = > > This also reduces first CSI2 clock from overdrive mode > > frequency which is 500 MHz down below the regular mode > > frequency of 400 MHz. > > = > > Signed-off-by: Marek Vasut > = > Apparently there is no difference when using imx415 (3840x2160) sensor. Just for the records: While this change does not affect imx415 (3840x2160) processing, reducing clock-frequency as well (v3) imx415 does not work. So I assume that for this image size a higher than default frequency is required. Best regards, Alexander > Reviewed-by: Alexander Stein > = > > --- > > Cc: Conor Dooley > > Cc: Fabio Estevam > > Cc: Krzysztof Kozlowski > > Cc: Laurent Pinchart > > Cc: Paul Elder > > Cc: Pengutronix Kernel Team > > Cc: Rob Herring > > Cc: Sascha Hauer > > Cc: Shawn Guo > > Cc: devicetree@vger.kernel.org > > Cc: imx@lists.linux.dev > > Cc: linux-arm-kernel@lists.infradead.org > > --- > > V2: Align both clock to 266 MHz and update commit message > > --- > > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > = > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boo= t/dts/freescale/imx8mp.dtsi > > index 1bb96e96639f2..7883f5c056f4e 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > > @@ -1667,7 +1667,7 @@ mipi_csi_0: csi@32e40000 { > > <&clk IMX8MP_CLK_MEDIA_MIPI_PHY1_REF>; > > assigned-clock-parents =3D <&clk IMX8MP_SYS_PLL2_1000M>, > > <&clk IMX8MP_CLK_24M>; > > - assigned-clock-rates =3D <500000000>; > > + assigned-clock-rates =3D <266000000>; > > power-domains =3D <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_1>; > > status =3D "disabled"; > > = > > = > = > = > = -- = TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel