From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/sprite: Always enable the scaler on IronLake
Date: Mon, 16 Apr 2012 08:54:17 -0700 [thread overview]
Message-ID: <20120416085417.3b652e43@jbarnes-desktop> (raw)
In-Reply-To: <1334589278_8242@CP5-2952>
On Mon, 16 Apr 2012 16:14:25 +0100
Chris Wilson <chris@chris-wilson.co.uk> wrote:
> On Mon, 16 Apr 2012 08:00:17 -0700, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> > Funky... do you notice any difference in output (fuzziness or anything)
> > with the scaler enabled? Wonder if it's safe to enable for 1:1 scaling
> > on SNB as well.
>
> Hard to tell. Without the scaler being enabled, it is black. :)
Oh I misread "doesn't update" as "you only see the first frame". I
guess we can compare on SNB at least and potentially enable the scaler
all the time.
> The content I was using was regular compressed mpeg-ts, so not the best
> for juding aesthetic quality. We'd have to render some test geometry,
> such as testdisplay to be sure. (testplanes? ;)
There's a sprite_on test in there somewhere, but a new testplanes
wouldn't hurt.
> The docs do suggest that we disable the scaler to save power, so
> probably best if we keep the code as is.
Ok, sounds good.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-04-16 15:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-14 21:14 [PATCH] drm/i915/sprite: Always enable the scaler on IronLake Chris Wilson
2012-04-16 15:00 ` Jesse Barnes
2012-04-16 15:14 ` Chris Wilson
2012-04-16 15:54 ` Jesse Barnes [this message]
2012-04-16 17:01 ` Daniel Vetter
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