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 97D29C4167B for ; Thu, 7 Dec 2023 23:40:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1444128AbjLGXj7 (ORCPT ); Thu, 7 Dec 2023 18:39:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229671AbjLGXj5 (ORCPT ); Thu, 7 Dec 2023 18:39:57 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15F211713 for ; Thu, 7 Dec 2023 15:40:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701992402; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xg11osurhuZW+ExEnJSQ2VKUNQ2I4+/joQa17Mg9pp4=; b=ABsxg7snlChiiiWgKuZu0hsMJJhgWsPeCOowPS/UsFYqunxkWQcmjHHpxy6k2YPI0HTBdv Z8+N8GVrq+1CozpTaEW2XgeCLIMPkoctwJ34Adm6FG2luPXaEOSd8hUUjvq2k4ll37mXbY lMbhTgrPuMmayHFyhLsW70BIxSqUMLk= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-279-iibx87w1PRyfAP4W92Mdmg-1; Thu, 07 Dec 2023 18:40:00 -0500 X-MC-Unique: iibx87w1PRyfAP4W92Mdmg-1 Received: by mail-ed1-f70.google.com with SMTP id 4fb4d7f45d1cf-54ca588b6d6so778376a12.1 for ; Thu, 07 Dec 2023 15:40:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701992399; x=1702597199; h=content-transfer-encoding:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xg11osurhuZW+ExEnJSQ2VKUNQ2I4+/joQa17Mg9pp4=; b=PreHAKVOFNwKeXKKDxl+kRoNgmLKn8N86Sk/1usqiePFFUsSYnhxVF6qKxlntCrbt5 b1AKo9ik2vk+YM5H6d5UhFQYwqrRAHHX7LGxSrCkKC5hgrvE2wS/zMvurb+QD+PXM7Re wHgNhyQRx7c88pzEmCNP7JLipX7blvr2+y2Y9RG8swiNmoEPMNR8q//VAoE/i1uIiCot TKVkRumzEPpHN85fJTkBqnRBIKbjRYRByY1A82Zsyybms3pFOE1c4zb1qkdoijGFMDUL 6evWQUayu138CwaQUQ3jqYTEC1rUDkysq8jHDp293/WmOg4EmjlKXF457VYjoXVp+7KB TEcg== X-Gm-Message-State: AOJu0YxUPGI47pYGfSIezcjxp8CVyCVoROn2CiyQmEUr/3h7Ii+5zliJ Amg2eeLOUn+zjpKvydcdht0Jhzxt0Yy4CrMvhYcPNgaus82Pj+OEd34OEzipd6G2Q/M/baCX/vw cm5nowxU71NdLQip3TMj2yhRN X-Received: by 2002:a50:8d0f:0:b0:54c:7833:c111 with SMTP id s15-20020a508d0f000000b0054c7833c111mr2654166eds.36.1701992399579; Thu, 07 Dec 2023 15:39:59 -0800 (PST) X-Google-Smtp-Source: AGHT+IHONLQX5QD7kpaVJvn8DPKveQlpsowHFBYDxpIMAEK33ea6TyJJupLCP9XwWuJZegmCPjXkaQ== X-Received: by 2002:a50:8d0f:0:b0:54c:7833:c111 with SMTP id s15-20020a508d0f000000b0054c7833c111mr2654157eds.36.1701992399265; Thu, 07 Dec 2023 15:39:59 -0800 (PST) Received: from localhost ([84.236.194.198]) by smtp.gmail.com with ESMTPSA id dn20-20020a05640222f400b0054cc22af09esm299697edb.46.2023.12.07.15.39.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Dec 2023 15:39:58 -0800 (PST) From: Javier Martinez Canillas To: Rob Herring Cc: Thomas Zimmermann , Ard Biesheuvel , devicetree@vger.kernel.org, Sergio Lopez , Sima Vetter , Hector Martin , Andrew Worsley , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Frank Rowand Subject: Re: [RFC PATCH] of/platform: Disable sysfb if a simple-framebuffer node is found In-Reply-To: <20231207173037.GA2944721-robh@kernel.org> References: <87jzqi59bt.fsf@minerva.mail-host-address-is-not-set> <874jhj1fm3.fsf@minerva.mail-host-address-is-not-set> <58672ab8-99bf-4a2a-af79-031d1e8fcba0@suse.de> <87fs0mxlyp.fsf@minerva.mail-host-address-is-not-set> <87a5qqxq56.fsf@minerva.mail-host-address-is-not-set> <87zfyqvtpx.fsf@minerva.mail-host-address-is-not-set> <20231207173037.GA2944721-robh@kernel.org> Date: Fri, 08 Dec 2023 00:39:57 +0100 Message-ID: <87cyvhh99u.fsf@minerva.mail-host-address-is-not-set> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rob Herring writes: > On Mon, Dec 04, 2023 at 05:05:30PM +0100, Javier Martinez Canillas wrote: >> Rob Herring writes: >>=20 >> > On Mon, Dec 4, 2023 at 3:39=E2=80=AFAM Javier Martinez Canillas >> > wrote: >> >> Rob Herring writes: >> >> > On Fri, Dec 1, 2023 at 4:21=E2=80=AFAM Javier Martinez Canillas >>=20 >> [...] >>=20 >> >> >> >> > However, there might be one other issue with that and this fix. The= DT >> >> > simplefb can have resources such as clocks and regulators. With >> >> > fw_devlink, the driver won't probe until those dependencies are met. >> >> > So if you want the framebuffer console up early, then you may want = to >> >> > register the EFI framebuffer first and then handoff to the DT simpl= efb >> >> > when it probes (rather than registering the device). >> >> > >> >> > But I agree, probably better to take this patch now and have those >> >> > quirks instead of flat out not working. >> >> > >> >> >> >> If we do that what's the plan? Are you thinking about merging this pa= tch >> >> through your OF tree or do you want to go through drm-misc with your = ack? >> > >> > I can take it. Do we need this in 6.7 and stable? >> > >>=20 >> IMO this can wait for v6.8 since is not a fix for a change introduced in >> the v6.7 merge window and something that only happens on a very specific >> setup (DT systems booting with u-boot EFI and providing an EFI-GOP table= ). >>=20 >> Also the -rc cycle is already in -rc5, so it seems risky to push a change >> at this point. And distros can pick the patch if want to have it earlier. > > Okay, I've applied it for 6.8. > Great, thanks a lot. > Rob > --=20 Best regards, Javier Martinez Canillas Core Platforms Red Hat