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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 62C0EC9830E for ; Fri, 25 Sep 2026 19:52:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0A8510E0E6; Fri, 25 Sep 2026 19:52:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=antispam.mailspamprotection.com header.i=@antispam.mailspamprotection.com header.b="N/ZYWroD"; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=valla.it header.i=@valla.it header.b="QJx4pD3h"; dkim-atps=neutral X-Greylist: delayed 1232 seconds by postgrey-1.36 at gabe; Fri, 25 Sep 2026 19:52:43 UTC Received: from delivery.antispam.mailspamprotection.com (delivery.antispam.mailspamprotection.com [185.56.87.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id C897510E0E6 for ; Fri, 25 Sep 2026 19:52:43 +0000 (UTC) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=outgoing.instance-europe-west4-0jng.prod.antispam.mailspamprotection.com; s=arckey; t=1790365963; b=r1bg+JDvluBZDTFWBvfLswoZYLh7IQMZY3Gbji7LIBIiXx27goVStVdrVyLIWuJRcen4/ur7/C 43A0tBvDeUB5jxdy8V+bG/gsfVSVX9+JqXPqdDqSHBYpVwDytPxLOwD5RxtSTdFXnt8B8cvopM aBdIdRtRz3cBUCwpF/tcRQFyL13ogzhI5xq90ojyPqLCx6pW7hK0yMW7Gsfe2iSHJqQaqXrhrx 0aDVS6f21wxhU1QjpDlU0NqacPsgYr0T1bAmZOkeqWZx2trOi+qa8KW8woAgokpw8y6XK0L+QG zZnKJ7k7h+5tRqExhOdp2TJRjCF9MpxQ+2gZb+yoxFPgTQ==; ARC-Authentication-Results: i=1; outgoing.instance-europe-west4-0jng.prod.antispam.mailspamprotection.com; smtp.remote-ip=35.214.173.214; iprev=pass (214.173.214.35.bc.googleusercontent.com) smtp.remote-ip=35.214.173.214; auth=pass (LOGIN) smtp.auth=esm19.siteground.biz; dkim=pass header.d=valla.it header.s=default header.a=rsa-sha256; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=outgoing.instance-europe-west4-0jng.prod.antispam.mailspamprotection.com; s=arckey; t=1790365963; bh=oN779mH9tBNwuA7d/NdNWDGQm450ycX3DX6zJkalp1I=; h=In-Reply-To:Content-Transfer-Encoding:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:DKIM-Signature:DKIM-Signature; b=JIUKfDRINNaM7FhQB26Kt04+KGSfwspy0qS/hfLrLXYxEsxYTkV4lSb9b2Md3ykF/irGY5USKG RThQ3tZliLrFM6XXHtzJypxbzpEJKqZb1ku7sejt8z2RYhQmfWTMQDKIUMmrFoqhk9ypiH4CK7 uziAX5HXtDwHHEF5RY9HvUmgc6MFogMl3Cv/iSx6DUih1yytN/w7HNMyRCxg+KYVqhlkA33TgA DQQz3isVlQME2pkNG1k9mkk5/fmsqjWpkxaL7hoTUzq99vRd+4i9xIKsz6AOUlxvpdUBasq/F6 MpB1/s/8umEY5tKZIUMX+TYxZ2YTJ86nfUxB9cF8a25acg==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=antispam.mailspamprotection.com; s=default; h=CFBL-Feedback-ID:CFBL-Address :Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Subject:Cc:To :From:Date:Reply-To:List-Unsubscribe; bh=yvE3X9fHZurwYk916e+LX2mNqDb/QFApCbGFkhBpWsI=; b=N/ZYWroDCu66Qe9k9RN68/m9L+ F+wqXASRmB9HcjXLKK3uxGBDAQ0NkOjHExkrtKlz/74fGoYCHb+xNAyx7/YMjBHOSWnlx1kcSE93F 93wohbCI7uQ8gNcAD3eGWfb7dz5BYANek+Mwz0mhSTaIWYmja6kiJHnnC/buWB+GNQv4=; Received: from 214.173.214.35.bc.googleusercontent.com ([35.214.173.214] helo=esm19.siteground.biz) by instance-europe-west4-0jng.prod.antispam.mailspamprotection.com with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.100.1) (envelope-from ) id 1xABeS-00000006ZRx-1ydM for dri-devel@lists.freedesktop.org; Fri, 25 Sep 2026 19:32:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=valla.it; s=default; h=Subject:Cc:To:From:Date:list-help:list-unsubscribe: list-subscribe:list-post:list-owner:list-archive; bh=yvE3X9fHZurwYk916e+LX2mNqDb/QFApCbGFkhBpWsI=; b=QJx4pD3h5WMfaRo9W0EvTF6goY BapWrz5179rvyOrHL6dOengJgj79GvD7dKfyewvov+Nugo+OfX96ypdaC3dlJTBXc+fIntYohkNaQ yqV/99qP3sCHq4vcZKBQ2bzgfS+dcQ0cKhD4RQb9qDIAOqhvvJWwEYmxQVBxzaNbHnMk=; Received: from [79.45.60.29] (port=62784 helo=bywater) by esm19.siteground.biz with essmtpa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.100.1) (envelope-from ) id 1xABeI-00000000BOp-0kv1; Fri, 25 Sep 2026 19:31:58 +0000 Date: Fri, 25 Sep 2026 21:31:56 +0200 From: Francesco Valla To: =?utf-8?B?TcOgeGlt?= Pedraza Padilla Cc: Thomas Zimmermann , Helge Deller , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Ripard , linux-fbdev@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/7] Boot logo supplied by the device tree Message-ID: References: <20260923201035.51007-1-maximpedraza@gmail.com> <64e273d4-2660-437d-8871-e2bfa3c377c9@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - esm19.siteground.biz X-AntiAbuse: Original Domain - lists.freedesktop.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - valla.it X-Source: X-Source-Args: X-Source-Dir: X-SGantispam-id: 03a0908a9906a86d61499e46ecdb2f87 X-AntiAbuse: ID - 03a0908a9906a86d61499e46ecdb2f87 AntiSpam-DLS: false AntiSpam-DLSP: AntiSpam-DLSRS: AntiSpam-TS: 1.0 CFBL-Address: feedback@antispam.mailspamprotection.com; report=arf CFBL-Feedback-ID: 1xABeS-00000006ZRx-1ydM-feedback@antispam.mailspamprotection.com Authentication-Results: outgoing.instance-europe-west4-0jng.prod.antispam.mailspamprotection.com; iprev=pass (214.173.214.35.bc.googleusercontent.com) smtp.remote-ip=35.214.173.214; auth=pass (LOGIN) smtp.auth=esm19.siteground.biz; dkim=pass header.d=valla.it header.s=default header.a=rsa-sha256; arc=none X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Màxim, On Fri, Sep 25, 2026 at 10:48:31AM +0200, Màxim Pedraza Padilla wrote: > Hi Thomas, > > > the whole Linux logo on the console is somewhat gimmicky and IMHO should > > not be further extended. Also fbdev as a whole has realistically run its > > course. We fix bugs and occasionally clean up the code, but it is > > questionable whether new feature make much sense. Even more so as the > > drivers your system uses appear to be DRM ones. > > They are, it is tilcdc. Understood, I will drop the fbdev side, which > also settles your comment on patch 1. > > > There is a proposal for a DRM splash screen at [1]. It retrieves the > > device vendor's logo from the firmware and displays it at the given > > coordinates. IMHO you should start with this series and add DT support > > there. > > Agreed. I have been following Francesco's series since Sam pointed me > at it, and it is where the DRM follow-up I mentioned in the cover letter > belongs, rather than in a client of my own. > > A device tree source fits next to the BGRT one. The BGRT is the firmware > handing the kernel an image and where to put it, and a DT system has no > such table. The BMP loaded as firmware only helps if the file is built > into the kernel, or if a filesystem is already there when the display > comes up. With U-Boot's Falcon mode, the device tree is the only thing > that reaches the kernel. > > So the plan would be a node under /chosen carrying a BMP, either in the > node itself or in a reserved memory region the bootloader loaded it > into, with the placement properties from this series. The region is the > same memremap() the BGRT source already does, only with the address > coming from the device tree. > > Rotation too: the client skips a BGRT image with the orientation bits > set today, and it could turn it instead. I will ask Rob separately how > he wants the image described, since that is what the binding hinges on. > > Francesco, is a v4 on the way? Would you take a DT source as patches on > top of your series, or would you rather I wait until it lands? > v4 is planned but has been preempted by other activities - I am not able to give you an ETA at the moment. If you have capacity, feel free to take over. > Max > Regards, Francesco