From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: redhat.com, ip: 209.132.183.28, mailfrom: lersek@redhat.com) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by groups.io with SMTP; Wed, 05 Jun 2019 10:16:01 -0700 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 17923223882; Wed, 5 Jun 2019 17:15:33 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-187.ams2.redhat.com [10.36.116.187]) by smtp.corp.redhat.com (Postfix) with ESMTP id D4B1E4D1; Wed, 5 Jun 2019 17:15:26 +0000 (UTC) Subject: Re: [edk2-devel] [PATCH] OvmfPkg/QemuVideoDxe: Shouldn't assume system in VGA alias mode. From: "Laszlo Ersek" To: Marc W Chen , devel@edk2.groups.io Cc: Jordan Justen , Ard Biesheuvel , Anthony Perard , Julien Grall , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= , Stefan Berger Reply-To: devel@edk2.groups.io, lersek@redhat.com References: <20190605111410.73564-1-marc.w.chen@intel.com> Message-ID: <3e1e6d19-2c69-e095-148c-99b2ce31a36c@redhat.com> Date: Wed, 5 Jun 2019 19:15:25 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 05 Jun 2019 17:15:49 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 06/05/19 14:00, Laszlo Ersek wrote: > On 06/05/19 13:14, Marc W Chen wrote: >> Query the supported attributes firstly, then AND (&&) both >> VGA_IO and VGA_IO_16. > > I don't think you mean "logical AND" above. On second thought, you do mean "logical AND" above, it's just that the wording is a bit difficult to understand (to me anyway). So please ignore this part of my review (but please answer the rest of the questions). Thanks Laszlo