From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E6D01624C0; Mon, 26 Jan 2026 08:28:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769416119; cv=none; b=s1cEzpCfdHuDpoMhHmoV1X982GYKHf+NulIKtrRPDAHrskPUOMKtes33QJf0Fd6N+X2ZXlTfmZcl3pqaUxExFmpemL6leVM5dhXSIHAMOZCprnTSrvRr6FahsNV3XBFVKRh5jMgsdJDi/9ibCRBjvqeq4U7I2saRkUj7vxg2iZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769416119; c=relaxed/simple; bh=lPRuxd5l/tcrhp290qRLo8Aqicby8MjyhGpoV7lymug=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tliTgT5gOpjFAtFaRMsEDE+6k01Asj7Pnh1fv8VkMXaNaQ06Rawbl6r1JvTO9ZFamUJlL4G0u8BFyDlJyhSDrfKjiaOHvKXJpLt5fQmkq3vTSG5LAoR7JTa6U4E1eUOH+DAjQp1AzflI1f+ZNeEkuNiaIMkwxrbJWmHwdmP4ouo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FYE1engo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FYE1engo" 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> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260115082128.12460-3-tzimmermann@suse.de> 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