From: Philipp Zabel <p.zabel@pengutronix.de>
To: Steve Longerbeam <slongerbeam@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org,
Steve Longerbeam <steve_longerbeam@mentor.com>
Subject: Re: [PATCH] media: imx: prpencvf: enable double write reduction
Date: Mon, 24 Jul 2017 09:21:08 +0200 [thread overview]
Message-ID: <1500880868.2391.14.camel@pengutronix.de> (raw)
In-Reply-To: <1500758501-5394-1-git-send-email-steve_longerbeam@mentor.com>
On Sat, 2017-07-22 at 14:21 -0700, Steve Longerbeam wrote:
> For the write channels with 4:2:0 subsampled YUV formats, avoid chroma
> overdraw by only writing chroma for even lines. Reduces necessary write
> memory bandwidth by at least 25% (more with rotation enabled).
>
> Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
prev parent reply other threads:[~2017-07-24 7:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-22 21:21 [PATCH] media: imx: prpencvf: enable double write reduction Steve Longerbeam
2017-07-22 22:04 ` Steve Longerbeam
2017-07-24 7:21 ` Philipp Zabel
2017-07-24 7:21 ` Philipp Zabel [this message]
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