Re: [PATCH 10/13] PM: earlysuspend: Add console switch when user requested sleep state changes.

Pavel Machek
2009-02-08T22:58:13Z

On Sun 2009-02-08 14:53:33, Arve Hj?nnev?g wrote:
> On Sun, Feb 8, 2009 at 2:02 PM, Pavel Machek <pavel@ucw.cz> wrote:
> > On Thu 2009-02-05 18:29:30, Arve Hj?nnev?g wrote:
> >> On Thu, Feb 5, 2009 at 1:03 AM, Pavel Machek <pavel@ucw.cz> wrote:
> >> > changelog would be welcome.
> >> PM: earlysuspend: Add console switch when user requested sleep
> >> state changes.
> >>
> >> When early-suspend is enabled, the framebuffer is turned off at
> >> early-suspend. If CONSOLE_EARLYSUSPEND is enabled, a console switch
> >> is used to notify user space that it should stop drawing before
> >> the framebuffer is disabled, and that it should repaint and resume
> >> drawing after the framebuffer is turned back on.
> >
> > I'd say that userspace can just do the switch itself?
>
> The purpose of the console switch is to take the framebuffer away from
> user-space. Are you suggesting that we instead should initiate sleep
> when user-space switches to the sleep console?

That looks like a solution, yes.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html