[Intel-gfx] [PATCH] drm/i915: Add functions to force psr exit

[Rodrigo Vivi]

On Fri, Jun 28, 2013 at 2:57 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Fri, Jun 28, 2013 at 02:52:10PM -0300, Rodrigo Vivi wrote:
>> PSR tracking engine in HSW doesn't detect automagically some directly copy area
>> operations through scanout so we will have to kick it manually and
>> reschedule it to come back to normal operation as soon as possible.
>
> Does force_exit correspond with any names/actions in the documentation?
> If not, care to consider intel_edp_psr_wakeup() as a less confusing name?

Yes, it correspond to name of setting 11 to bits 31:30 of 0x64860.
Besides to be honest wakeup confuses me more.
It seems ambiguous, I mean wake up from srd state (force exit) or wake
up psr functionality (normal)?

> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre



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