Date: Sun, 14 Sep 2008 02:46:14 GMT From: Pedro Giffuni <pfgshield-freebsd@yahoo.com> To: freebsd-gnats-submit@FreeBSD.org Subject: i386/127367: Improve VESA support for Parallels (patch from DragonFlyBSD) Message-ID: <200809140246.m8E2kEPO065364@www.freebsd.org> Resent-Message-ID: <200809140250.m8E2o11G093419@freefall.freebsd.org>
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>Number: 127367 >Category: i386 >Synopsis: Improve VESA support for Parallels (patch from DragonFlyBSD) >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Sun Sep 14 02:50:00 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Pedro Giffuni >Release: 7.0-Release >Organization: >Environment: FreeBSD kakumen.cable.net.co 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Fri Aug 8 16:42:27 COT 2008 root@kakumen.cable.net.co:/usr/src/sys/amd64/compile/GENERIC amd64 >Description: >From DragonFlyBSD's (Sascha Wildner) log: http://leaf.dragonflybsd.org/mailarchive/commits/2008-09/msg00126.html Add line width calculations for 15/16 and 24/32 bit modes in case the "Get Scan Line Length" function fails, as it does in Parallels (in Version 2.2, Build 2112 at least). >How-To-Repeat: The patch is untested: I don't have Parallels and this is amd64, but it looks pretty safe. >Fix: --- /sys/i386/isa/vesa.c.orig 2008-09-13 21:30:25.000000000 -0500 +++ /sys/i386/isa/vesa.c 2008-09-13 21:33:41.000000000 -0500 @@ -1111,6 +1111,14 @@ default: /* shouldn't happen */ vesa_adp->va_line_width = info.vi_width; break; + case 15: + case 16: + vesa_adp->va_line_width = info.vi_width*2; + break; + case 24: + case 32: + vesa_adp->va_line_width = info.vi_width*4; + break; } } else { vesa_adp->va_line_width = info.vi_width; >Release-Note: >Audit-Trail: >Unformatted:
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