lkml.org 
[lkml]   [2018]   [Apr]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v6 24/30] drm/rockchip: Disable PSR on input events
From
Date
On Thu, 2018-04-05 at 11:49 +0200, Enric Balletbo i Serra wrote:
> From: "Kristian H. Kristensen" <hoegsberg@google.com>
>
> To improve PSR exit latency, we speculatively start exiting when we
> receive input events. Occasionally, this may lead to false positives,
> but most of the time we get a head start on coming out of PSR.
> Depending
> on how userspace takes to produce a new frame in response to the
> event,
> this can completely hide the exit latency. In case of Chrome OS, we
> typically get the input notifier 50ms or more before the dirty_fb
> triggered exit.
>

Why is this rockchip-specific? It sounds more like something
we'd want to integrate generically for drivers to leverage.

Regards,
Eze

\
 
 \ /
  Last update: 2018-04-16 21:45    [W:0.150 / U:54.456 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site