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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECC0EC433E0 for ; Wed, 24 Feb 2021 11:02:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 01C6060C41 for ; Wed, 24 Feb 2021 11:02:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01C6060C41 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45726 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lErvi-0002FK-U9 for qemu-devel@archiver.kernel.org; Wed, 24 Feb 2021 06:02:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lErv1-0001i0-Id for qemu-devel@nongnu.org; Wed, 24 Feb 2021 06:01:23 -0500 Received: from indium.canonical.com ([91.189.90.7]:36368) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lEruz-0005Ji-IZ for qemu-devel@nongnu.org; Wed, 24 Feb 2021 06:01:23 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1lErux-0006yA-D3 for ; Wed, 24 Feb 2021 11:01:19 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 5EB002E813B for ; Wed, 24 Feb 2021 11:01:19 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 24 Feb 2021 10:53:18 -0000 From: Peter Maydell <1914535@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: arm X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: avevad pmaydell X-Launchpad-Bug-Reporter: Vadim Averin (avevad) X-Launchpad-Bug-Modifier: Peter Maydell (pmaydell) References: <161241593716.24579.2543593740941156934.malonedeb@wampee.canonical.com> Message-Id: <161416399861.28697.5879554400594894333.malone@chaenomeles.canonical.com> Subject: [Bug 1914535] Re: PL110 8-bit mode is not emulated correctly X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="f759833f01c7f0b01b31b10cf317a55893ebb0ad"; Instance="production" X-Launchpad-Hash: 2639a537f52351f66060d0686087413b2d944022 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1914535 <1914535@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" I think unless you can either (a) show that QEMU is behaving differently from the real hardware or (b) point at what bit of the hardware documentation QEMU's implementation is not following, then this doesn't really sound like it's a bug in QEMU. -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1914535 Title: PL110 8-bit mode is not emulated correctly Status in QEMU: New Bug description: When the emulated pl110/pl111 is switched programmatically to 8-bit color depth mode, the display is drawn green and blue, but the real PL110 displays grayscale in 8-bit mode. The bug appears in qemu-system-arm version 3.1.0 (Debian 1:3.1+dfsg-8+deb10u8) and qemu-system-arm version 5.2.50 (v5.2.0-1579-g99ae0cd90d). To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1914535/+subscriptions