From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, David Airlie <airlied@linux.ie>,
Chen-Yu Tsai <wens@csie.org>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
linux-sunxi@googlegroups.com
Subject: Re: [PATCH v2] drm/sun4i: sun4i: Introduce a quirk for lowest plane alpha support
Date: Wed, 18 Jul 2018 17:23:41 +0200 [thread overview]
Message-ID: <20180718152341.zr32w5cjtpfec4xe@flea> (raw)
In-Reply-To: <76279f0a265bfbe509074fcff3156a437e7091dd.camel@bootlin.com>
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On Wed, Jul 18, 2018 at 11:35:23AM +0200, Paul Kocialkowski wrote:
> On Wed, 2018-07-18 at 11:29 +0200, Paul Kocialkowski wrote:
> > Not all sunxi platforms with the first version of the Display Engine
> > support an alpha component on the plane with the lowest z position
> > (as in: lowest z-pos), that gets blended with the background color.
> >
> > In particular, the A13 is known to have this limitation. However, it was
> > recently discovered that the A20 and A33 are capable of having alpha on
> > their lowest plane.
> >
> > Thus, this introduces a specific quirk to indicate such support,
> > per-platform. Since this was not tested on sun4i and sun6i platforms, a
> > conservative approach is kept and this feature is not supported.
>
> Woops, I forgot to include PATCH 1/2 from v1, which did not change.
>
> Would it be preferable for me to send v2 again (and maybe call it v3)
> for convenience?
Yeah, resend it, and call it v2 resend (explaining why a resend was
needed).
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2018-07-18 15:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-18 9:29 [PATCH v2] drm/sun4i: sun4i: Introduce a quirk for lowest plane alpha support Paul Kocialkowski
2018-07-18 9:35 ` Paul Kocialkowski
2018-07-18 15:23 ` Maxime Ripard [this message]
2018-07-18 21:02 ` kbuild test robot
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