APPLIED: [Trusty] Fix framebuffer hangs with VMs using cirrus gfx

[Tim Gardner]

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On 02/03/2014 10:09 AM, Stefan Bader wrote:
> On 31.01.2014 11:20, Tim Gardner wrote:
>> Ick.
>> 
> 
> I got the following feedback from David Herrmann:
> 
>> This should be fixed by patches #1+#2 in this series: 
>> http://lists.freedesktop.org/archives/dri-devel/2014-January/052584.html
>>
>>
>> 
I hope we can get it applied this week. Just waiting for a rough
>> review from airlied. As a workaround, you can always disable 
>> CONFIG_X86_SYSFB. There is no reason to activate it right now
>> (until SimpleDRM gets merged..).
> 
> So we could either revert my patch and disable CONFIG_X86_SYSFB
> (was there a special reason to enable it or just default policy?)
> or we wait until these two patches end up in Linux tree and then
> revert mine in favour of those. I am not sure whether they end up
> on a stable tree if simplefb is as "in development" as it sounds to
> me.
> 
> -Stefan
> 
> [1]
> http://lists.freedesktop.org/archives/dri-devel/2014-January/052586.html
>
> 
[2] http://lists.freedesktop.org/archives/dri-devel/2014-January/052585.html
> 

CONFIG_X86_SYSFB likely was enabled as a matter of policy. The help
text suggests that if you don't know what you're doing then say "Y".

I'd be inclined to drop your patch and set CONFIG_X86_SYSFB=n.

rtg
- -- 
Tim Gardner tim.gardner at canonical.com
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