linux-kernel - Re: [PATCH 1/1] drm/vmwgfx: correct fb_fix_screeninfo.line

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Date:	Wed, 02 Jul 2014 06:16:00 +0200
From:	Thomas Hellstrom <thellstrom@...are.com>
To:	Christopher Friedt <chrisfriedt@...il.com>
CC:	dri-devel <dri-devel@...ts.freedesktop.org>,
	linux-kernel@...r.kernel.org, Dave Airlie <airlied@...il.com>,
	linux-graphics-maintainer@...are.com
Subject: Re: [PATCH 1/1] drm/vmwgfx: correct fb_fix_screeninfo.line_length

On 07/02/2014 05:01 AM, Christopher Friedt wrote:
> I have been unable to reproduce this issue in a plethora of test
> cases, although granted, I do not have access to a Win7 machine. For
> that, I have asked an Ubuntu tester to run through some tests for me.
>
> https://urldefense.proofpoint.com/v1/url?u=https://bugs.launchpad.net/ubuntu/%2Bsource/xserver-xorg-video-vmware/%2Bbug/1328898/comments/8&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=l5Ago9ekmVFZ3c4M6eauqrJWGwjf6fTb%2BP3CxbBFkVM%3D%0A&m=dUdnjNSVc8rpaH6Jc63zkOFO0Bari6xxf72ZYyMo%2Bk4%3D%0A&s=0c96076761f2340d2de78dcf53d1f2a616d7b932cae49bccbf8268f7520815c5
>
> Will post updates as I receive them
Indeed, same here, although I only tested on Linux host.

I've got confirmation from the device developers that the register in
question is indeed a read only register, so I'll post a patch.
However, it would be good if you could confirm that the fbdev problem
your patch fixed works also without the write to
SVGA_REG_BUTES_PER_LINE

Thanks,
Thomas
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