[Intel-gfx] [PATCH] drm/i915: Add Baytrail PSR Support.

[Rodrigo Vivi]

On Wed, Dec 18, 2013 at 8:27 AM, Rodrigo Vivi <rodrigo.vivi at gmail.com> wrote:
> On Wed, Dec 18, 2013 at 8:03 AM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>> On Tue, Dec 17, 2013 at 06:31:03PM -0200, Rodrigo Vivi wrote:
>>> This patch adds PSR Support to Baytrail.
>>>
>>> Baytrail cannot easily detect screen updates and force PSR exit.
>>> So we inactivate it on busy_ioctl and update to get it back
>>> on next display mark_idle.
>>
>> That wasn't the plan, and certainly not every single busy ioctl.
>
> what do you suggest?

also please notice that only the first one really inactivates the
psr... the rest are ignored until next update/enable on mark_idle or
on set_base.

>
>> -Chris
>
> Thanks,
> Rodrigo.
>
>>
>> --
>> Chris Wilson, Intel Open Source Technology Centre
>
>
>
> --
> Rodrigo Vivi
> Blog: http://blog.vivi.eng.br



-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br