From owner-svn-src-head@freebsd.org Mon Jun 25 09:39:17 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 49E8F1003EA8; Mon, 25 Jun 2018 09:39:17 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E084F74996; Mon, 25 Jun 2018 09:39:16 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id BC8AA2B68E; Mon, 25 Jun 2018 09:39:16 +0000 (UTC) (envelope-from royger@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w5P9dGeo067105; Mon, 25 Jun 2018 09:39:16 GMT (envelope-from royger@FreeBSD.org) Received: (from royger@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w5P9dGMA067104; Mon, 25 Jun 2018 09:39:16 GMT (envelope-from royger@FreeBSD.org) Message-Id: <201806250939.w5P9dGMA067104@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: royger set sender to royger@FreeBSD.org using -f From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Date: Mon, 25 Jun 2018 09:39:16 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r335629 - in head: share/man/man4 sys/dev/vt/hw/vga X-SVN-Group: head X-SVN-Commit-Author: royger X-SVN-Commit-Paths: in head: share/man/man4 sys/dev/vt/hw/vga X-SVN-Commit-Revision: 335629 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2018 09:39:17 -0000 Author: royger Date: Mon Jun 25 09:39:16 2018 New Revision: 335629 URL: https://svnweb.freebsd.org/changeset/base/335629 Log: vt: add option to ignore NO_VGA flag in ACPI To workaround buggy firmware that sets this flag when there's actually a VGA present. Reported and tested by: Yasuhiro KIMURA Sponsored by: Citrix Systems R&D Reviewed by: kib Differential revision: https://reviews.freebsd.org/D16003 Modified: head/share/man/man4/vt.4 head/sys/dev/vt/hw/vga/vt_vga.c Modified: head/share/man/man4/vt.4 ============================================================================== --- head/share/man/man4/vt.4 Mon Jun 25 09:19:50 2018 (r335628) +++ head/share/man/man4/vt.4 Mon Jun 25 09:39:16 2018 (r335629) @@ -44,6 +44,7 @@ In .Xr loader.conf 5 : .Cd hw.vga.textmode=1 +.Cd hw.vga.acpi_ignore_no_vga=1 .Cd kern.vty=vt .Cd kern.vt.color..rgb="" .Cd kern.vt.fb.default_mode="x" @@ -196,6 +197,10 @@ prompt or in Set to 1 to use virtual terminals in text mode instead of graphics mode. Features that require graphics mode, like loadable fonts, will be disabled. +.It Va hw.vga.acpi_ignore_no_vga +Set to 1 to force the usage of the VGA driver regardless of whether +ACPI IAPC_BOOT_ARCH signals no VGA support. +Can be used to workaround firmware bugs in the ACPI tables. .It Va kern.vty Set this value to .Ql vt Modified: head/sys/dev/vt/hw/vga/vt_vga.c ============================================================================== --- head/sys/dev/vt/hw/vga/vt_vga.c Mon Jun 25 09:19:50 2018 (r335628) +++ head/sys/dev/vt/hw/vga/vt_vga.c Mon Jun 25 09:39:16 2018 (r335629) @@ -1217,6 +1217,12 @@ vga_acpi_disabled(void) ACPI_TABLE_FADT *fadt; vm_paddr_t physaddr; uint16_t flags; + int ignore; + + TUNABLE_INT_FETCH("hw.vga.acpi_ignore_no_vga", &ignore); + + if (ignore) + return (false); physaddr = acpi_find_table(ACPI_SIG_FADT); if (physaddr == 0)