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 1F073C88E74 for ; Mon, 26 Jan 2026 08:28:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B10310E3A5; Mon, 26 Jan 2026 08:28:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="FYE1engo"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 562B110E3A5 for ; Mon, 26 Jan 2026 08:28:40 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 83434600CB; Mon, 26 Jan 2026 08:28:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35BFFC19421; Mon, 26 Jan 2026 08:28:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769416119; bh=lPRuxd5l/tcrhp290qRLo8Aqicby8MjyhGpoV7lymug=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FYE1engodk8o0/IepcOpxN5MMOOgVDG8s6T7dTmwt7zwkg0/YvWl5gmb3XNEs1sK0 4m3JfcVBwP5vHwXFIF1oe/IUSeybWv8RkkufA9kh90PHft01AnTBRgu2P/WAydjWmM Eg8UH27geLWia2kl/Js9Vo1wyL/nYo82xYqDp6r0ogdM4tsSHZ501I6oI1xo5s5qBA 56+AE3CaWx2bg3D2wQG7DKjIoXR2P6KJ1UAjHFDDLOuBAzuBVEWXarCZNRaekO+2A+ 4A3V24qb0x/JA61FFbdVnRsC71LePVQp2LHg3W/16ko0w/gIvMD3ao5Hy36siibsxv YVu8zDidqGOdQ== Date: Mon, 26 Jan 2026 08:28:35 +0000 From: Tzung-Bi Shih To: Thomas Zimmermann Cc: briannorris@chromium.org, jwerner@chromium.org, javierm@redhat.com, samuel@sholland.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, simona@ffwll.ch, chrome-platform@lists.linux.dev, dri-devel@lists.freedesktop.org, Greg Kroah-Hartman , stable@vger.kernel.org Subject: Re: [PATCH v2 02/12] firmware: google: framebuffer: Do not mark framebuffer as busy Message-ID: References: <20260115082128.12460-1-tzimmermann@suse.de> <20260115082128.12460-3-tzimmermann@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260115082128.12460-3-tzimmermann@suse.de> 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" On Thu, Jan 15, 2026 at 08:57:12AM +0100, Thomas Zimmermann wrote: > Remove the flag IORESOURCE_BUSY flag from coreboot's framebuffer > resource. It prevents simpledrm from successfully requesting the > range for its own use; resulting in errors such as > > [ 2.775430] simple-framebuffer simple-framebuffer.0: [drm] could not acquire memory region [mem 0x80000000-0x80407fff flags 0x80000200] > > As with other uses of simple-framebuffer, the simple-framebuffer > device should only declare it's I/O resources, but not actively use > them. > > Signed-off-by: Thomas Zimmermann > Fixes: 851b4c14532d ("firmware: coreboot: Add coreboot framebuffer driver") Acked-by: Tzung-Bi Shih