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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28DD9C47088 for ; Thu, 1 Dec 2022 09:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229985AbiLAJel (ORCPT ); Thu, 1 Dec 2022 04:34:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229551AbiLAJej (ORCPT ); Thu, 1 Dec 2022 04:34:39 -0500 Received: from mail-qk1-f169.google.com (mail-qk1-f169.google.com [209.85.222.169]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08FC363D44; Thu, 1 Dec 2022 01:34:39 -0800 (PST) Received: by mail-qk1-f169.google.com with SMTP id x18so754138qki.4; Thu, 01 Dec 2022 01:34:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=KBTb30FlOeNn7g2bMTV3z6C876wmi9foz5yxG1pCxwA=; b=cIkffSYNj+lR5XPnGWNSE9BLoeq8tPsP+lBxdVEyxonvO5XKd/FVXiOFztc9CwawBk MixtOQlA3RjWv9VSXVUqmJVFQRF/LEZ66LTZ4v+ogqGrmvpoBYWCUAQL2hlpFUbA3O5d eFPOrLVC30XkPFbhKM24CA4GNL0/BrgIlHVUjTR87ug9ypwkdZ/4kQZNg0zvwgldP1P6 8+lIPxRkTnKk96DTldVCHPUjKzwEb6Zjo3ZOsQ9AVHkxCgaIc7OTzvlfVn5bmgfZ8DRy Fh9Ct8E8XdEWKwr5E6vNG7T2VpoUjP1vKmW3EJOsBWgrujPR878sBjE06otvEgreZXXo X8fQ== X-Gm-Message-State: ANoB5plNl6YYpzJNW/8wBpf/2NkUN5pV4d44RJUvq68BPhwXomFzzh5c iNa74DHfq2L3oc8LobYv6DpEoz59T7ctrA== X-Google-Smtp-Source: AA0mqf6LLfjwiaggCZ/1FW7LsdSS+7kJgBjyq77M79yBM0vx4Obz/RWO3iruUETJNmNnL/f79njJiw== X-Received: by 2002:a05:620a:d48:b0:6fc:a8ae:492a with SMTP id o8-20020a05620a0d4800b006fca8ae492amr689635qkl.340.1669887277998; Thu, 01 Dec 2022 01:34:37 -0800 (PST) Received: from mail-yb1-f172.google.com (mail-yb1-f172.google.com. [209.85.219.172]) by smtp.gmail.com with ESMTPSA id l27-20020ac84cdb000000b00399fe4aac3esm2227797qtv.50.2022.12.01.01.34.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 Dec 2022 01:34:37 -0800 (PST) Received: by mail-yb1-f172.google.com with SMTP id i131so1273660ybc.9; Thu, 01 Dec 2022 01:34:36 -0800 (PST) X-Received: by 2002:a25:9:0:b0:6f9:29ef:a5ee with SMTP id 9-20020a250009000000b006f929efa5eemr10068854yba.380.1669887276592; Thu, 01 Dec 2022 01:34:36 -0800 (PST) MIME-Version: 1.0 References: <20221123065946.40415-1-tomi.valkeinen+renesas@ideasonboard.com> <20221123065946.40415-4-tomi.valkeinen+renesas@ideasonboard.com> In-Reply-To: From: Geert Uytterhoeven Date: Thu, 1 Dec 2022 10:34:25 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 3/7] clk: renesas: r8a779g0: Add display related clocks To: Tomi Valkeinen Cc: Laurent Pinchart , Kieran Bingham , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Tomi, On Thu, Dec 1, 2022 at 10:06 AM Tomi Valkeinen wrote: > On 30/11/2022 21:18, Geert Uytterhoeven wrote: > > On Wed, Nov 23, 2022 at 8:00 AM Tomi Valkeinen > > wrote: > >> Add clocks related to display which are needed to get the DSI output > >> working. > >> > >> Extracted from Renesas BSP tree. > >> > >> Signed-off-by: Tomi Valkeinen > >> Reviewed-by: Kieran Bingham > >> Reviewed-by: Laurent Pinchart > > Not that all of this matters a lot: all of these parents are always-on, > > and I think "dis0" is the only clock where we care about the actual > > clock rate? > > No, of the clocks added above, in the drivers we only care about the > dsiref rate. That's used for the DSI PLL, and that PLL is used as the > DU's pclk. IC. As the DU node has only a single clocks property, I thought that clock is used to derive the pixel clock from. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds