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 36562C433F5 for ; Sat, 8 Jan 2022 05:12:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230334AbiAHFMD (ORCPT ); Sat, 8 Jan 2022 00:12:03 -0500 Received: from mail-4319.protonmail.ch ([185.70.43.19]:54119 "EHLO mail-4319.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230236AbiAHFMC (ORCPT ); Sat, 8 Jan 2022 00:12:02 -0500 Date: Sat, 08 Jan 2022 05:11:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail2; t=1641618721; bh=/j2Vx1bVQJXPbpvBXRiaCl4gIC+8JojGiGdJO7cqyB0=; h=Date:To:From:Cc:Reply-To:Subject:Message-ID:From:To:Cc; b=QGEtXTxetiOWU/1q7fkqclnSXkd95iuiWFTPSHAVarKQCDtsBuqp2BRAvStu5HQED w5nW5A6R5alBGRmzKFBef9WImrZ3eehWK8eVdsqOVsshFTpFHixaewrqf+FWH54+UI P1dDg8PZ/NMmfhXfmBTT1O4Z3yvM2HgEkBW+Fo7PmUjW4bkHolRZGTpAToRpwAiaRq 07E41t4DZV10MBPP4kznsdngux7Hppcvhukg2KmH3k1wNuV/iQWzAq6g+2cA6+b2oI p+lJPgd23AUjgnPirTArbYkpiGqMR3nxpt3ldwYYO4ZBAaSOUZJXnajhsqFNz9ZWvW U9VJJpW9HwoQw== To: jani.nikula@linux.intel.com From: Orlando Chamberlain Cc: ashisharora.linux@outlook.com, intel-gfx@lists.freedesktop.org, joonas.lahtinen@linux.intel.com, linux-kernel@vger.kernel.org, rodrigo.vivi@intel.com, Aun-Ali Zaidi Reply-To: Orlando Chamberlain Subject: Re: [PATCH] drm/i915: Discard large BIOS framebuffers causing display corruption. Message-ID: <20220108050812.6303-1-redecorating@protonmail.com> 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 I haven't observed "display corruption", but on my MacBookPro16,1 the botto= m and right edges of the TTY are not on the screen, so a few lines of text cannot be seen. This also occurs on the internal displays of all (as far as I know) other 2018-2020 Intel Macbooks when using the Intel GPU (The 15" and 16" ones also have an AMDGPU, but this issue occurs when they have the Intel GPU set as the boot gpu). There's a similar patch that hasn't been sent upstream that people with the= se Macbooks have been using: https://github.com/aunali1/linux-mbp-arch/blob/master/7001-drm-i915-fbdev-D= iscard-BIOS-framebuffers-exceeding-h.patch Cc: Aun-Ali Zaidi -- Thanks, Orlando 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 8B807C433F5 for ; Mon, 10 Jan 2022 13:24:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 64F1511B2B3; Mon, 10 Jan 2022 13:24:45 +0000 (UTC) Received: from mail-4321.protonmail.ch (mail-4321.protonmail.ch [185.70.43.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id CBFAD11A6C2 for ; Sat, 8 Jan 2022 05:17:13 +0000 (UTC) Received: from mail-0301.mail-europe.com (mail-0301.mail-europe.com [188.165.51.139]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by mail-4321.protonmail.ch (Postfix) with ESMTPS id 4JW7Vs5qjwz4x0F0 for ; Sat, 8 Jan 2022 05:12:05 +0000 (UTC) Authentication-Results: mail-4321.protonmail.ch; dkim=pass (2048-bit key) header.d=protonmail.com header.i=@protonmail.com header.b="QGEtXTxe" Date: Sat, 08 Jan 2022 05:11:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail2; t=1641618721; bh=/j2Vx1bVQJXPbpvBXRiaCl4gIC+8JojGiGdJO7cqyB0=; h=Date:To:From:Cc:Reply-To:Subject:Message-ID:From:To:Cc; b=QGEtXTxetiOWU/1q7fkqclnSXkd95iuiWFTPSHAVarKQCDtsBuqp2BRAvStu5HQED w5nW5A6R5alBGRmzKFBef9WImrZ3eehWK8eVdsqOVsshFTpFHixaewrqf+FWH54+UI P1dDg8PZ/NMmfhXfmBTT1O4Z3yvM2HgEkBW+Fo7PmUjW4bkHolRZGTpAToRpwAiaRq 07E41t4DZV10MBPP4kznsdngux7Hppcvhukg2KmH3k1wNuV/iQWzAq6g+2cA6+b2oI p+lJPgd23AUjgnPirTArbYkpiGqMR3nxpt3ldwYYO4ZBAaSOUZJXnajhsqFNz9ZWvW U9VJJpW9HwoQw== To: jani.nikula@linux.intel.com From: Orlando Chamberlain Message-ID: <20220108050812.6303-1-redecorating@protonmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Mon, 10 Jan 2022 13:24:14 +0000 Subject: Re: [Intel-gfx] [PATCH] drm/i915: Discard large BIOS framebuffers causing display corruption. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Orlando Chamberlain Cc: Aun-Ali Zaidi , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, ashisharora.linux@outlook.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" I haven't observed "display corruption", but on my MacBookPro16,1 the botto= m and right edges of the TTY are not on the screen, so a few lines of text cannot be seen. This also occurs on the internal displays of all (as far as I know) other 2018-2020 Intel Macbooks when using the Intel GPU (The 15" and 16" ones also have an AMDGPU, but this issue occurs when they have the Intel GPU set as the boot gpu). There's a similar patch that hasn't been sent upstream that people with the= se Macbooks have been using: https://github.com/aunali1/linux-mbp-arch/blob/master/7001-drm-i915-fbdev-D= iscard-BIOS-framebuffers-exceeding-h.patch Cc: Aun-Ali Zaidi -- Thanks, Orlando