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From: Keith Packard <keithp@keithp.com>
To: Scott James Remnant <keybuk@google.com>,
	Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org,
	"Stéphane Marchesin" <marcheu@google.com>,
	"Daniel Stone" <daniels@collabora.com>
Subject: Re: i915_init takes a full second of kernel init time
Date: Thu, 15 Dec 2011 14:22:51 -0800	[thread overview]
Message-ID: <86pqfpa30k.fsf@sumi.keithp.com> (raw)
In-Reply-To: <CAHZ1yC=36tJua=ULpXPo00Po-e8gz=KXu6X=4YtyMsdVF5CSuQ@mail.gmail.com>


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On Thu, 15 Dec 2011 13:48:00 -0800, Scott James Remnant <keybuk@google.com> wrote:

> This gives us a significant chunk of time back (>0.5s) - what would be
> the downside of carrying a revert to this patch?

It fails to light up some LVDS panels, causing machines to not be
usable.

That's generally what we've found when we try to take short-cuts through
the mode setting code; many machines will work fine, but a few take
their pixels and go home.

-- 
keith.packard@intel.com

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      reply	other threads:[~2011-12-15 22:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-13 19:55 i915_init takes a full second of kernel init time Scott James Remnant
2011-12-13 20:02 ` Jesse Barnes
2011-12-13 21:34   ` Scott James Remnant
2011-12-13 22:01     ` Jesse Barnes
2011-12-13 22:21       ` Chris Wilson
2011-12-15  0:38         ` Scott James Remnant
2011-12-15 10:38           ` Chris Wilson
2011-12-15 17:48             ` Keith Packard
2011-12-15 21:48             ` Scott James Remnant
2011-12-15 22:22               ` Keith Packard [this message]

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