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From: clabbe.montjoie@gmail.com (LABBE Corentin)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users
Date: Wed, 9 Mar 2016 11:08:53 +0100	[thread overview]
Message-ID: <20160309100853.GA12312@Red> (raw)
In-Reply-To: <20160308094625.539646f8@bbrezillon>

> > 
> > It doesn't really makes sense to us, but it does have a significant
> > impact on the throughput.
> 
> I wouldn't say significant impact, but tweaking those parameters has
> some impact on the performances, and since it's not that complicated to
> implement, I thought it was worth a try, but maybe I'm wrong.
> 

Hello

I am working on adding DMA on the crypto driver sun4i-ss and I confirm that tweaking those parameter can increase speed.

Regards

LABBE Corentin

WARNING: multiple messages have this Message-ID (diff)
From: LABBE Corentin <clabbe.montjoie@gmail.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: "Maxime Ripard" <maxime.ripard@free-electrons.com>,
	"Chen-Yu Tsai" <wens@csie.org>,
	linux-sunxi@googlegroups.com,
	"Emilio López" <emilio@elopez.com.ar>,
	linux-arm-kernel@lists.infradead.org,
	"Vinod Koul" <vinod.koul@intel.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [linux-sunxi] Re: [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users
Date: Wed, 9 Mar 2016 11:08:53 +0100	[thread overview]
Message-ID: <20160309100853.GA12312@Red> (raw)
In-Reply-To: <20160308094625.539646f8@bbrezillon>

> > 
> > It doesn't really makes sense to us, but it does have a significant
> > impact on the throughput.
> 
> I wouldn't say significant impact, but tweaking those parameters has
> some impact on the performances, and since it's not that complicated to
> implement, I thought it was worth a try, but maybe I'm wrong.
> 

Hello

I am working on adding DMA on the crypto driver sun4i-ss and I confirm that tweaking those parameter can increase speed.

Regards

LABBE Corentin

  parent reply	other threads:[~2016-03-09 10:08 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-07  9:59 [PATCH] dma: sun4i: expose block size and wait cycle configuration to DMA users Boris Brezillon
2016-03-07  9:59 ` Boris Brezillon
2016-03-07 14:54 ` Vinod Koul
2016-03-07 14:54   ` Vinod Koul
2016-03-07 15:08   ` Boris Brezillon
2016-03-07 15:08     ` Boris Brezillon
2016-03-07 20:30     ` Maxime Ripard
2016-03-07 20:30       ` Maxime Ripard
2016-03-08  2:55       ` Vinod Koul
2016-03-08  2:55         ` Vinod Koul
2016-03-08  2:59         ` Vinod Koul
2016-03-08  2:59           ` Vinod Koul
2016-03-08  7:51         ` Maxime Ripard
2016-03-08  7:51           ` Maxime Ripard
2016-03-08  8:42           ` [linux-sunxi] " Hans de Goede
2016-03-08  8:42             ` Hans de Goede
2016-03-08 10:05             ` Vinod Koul
2016-03-08 10:05               ` Vinod Koul
2016-03-09 10:58               ` Maxime Ripard
2016-03-09 10:58                 ` Maxime Ripard
2016-03-08  8:46           ` Boris Brezillon
2016-03-08  8:46             ` Boris Brezillon
2016-03-08  9:10             ` [linux-sunxi] " Priit Laes
2016-03-08  9:10               ` Priit Laes
2016-03-08 10:04             ` Vinod Koul
2016-03-08 10:04               ` Vinod Koul
2016-03-09 10:08             ` LABBE Corentin [this message]
2016-03-09 10:08               ` [linux-sunxi] " LABBE Corentin
2016-03-08  9:59           ` Vinod Koul
2016-03-08  9:59             ` Vinod Koul
2016-03-09 10:14         ` Boris Brezillon
2016-03-09 10:14           ` Boris Brezillon
2016-03-11  6:24           ` Vinod Koul
2016-03-11  6:24             ` Vinod Koul
2016-03-11  9:40             ` Boris Brezillon
2016-03-11  9:40               ` Boris Brezillon
2016-03-11 10:06               ` Vinod Koul
2016-03-11 10:06                 ` Vinod Koul
2016-03-11 10:26                 ` Boris Brezillon
2016-03-11 10:26                   ` Boris Brezillon
2016-03-11 11:21                   ` Vinod Koul
2016-03-11 11:21                     ` Vinod Koul
2016-03-09 11:06         ` Boris Brezillon
2016-03-09 11:06           ` Boris Brezillon
2016-03-11  6:26           ` Vinod Koul
2016-03-11  6:26             ` Vinod Koul
2016-03-11  9:45             ` Boris Brezillon
2016-03-11  9:45               ` Boris Brezillon
2016-03-11 10:09               ` Vinod Koul
2016-03-11 10:09                 ` Vinod Koul
2016-03-11 10:55                 ` Maxime Ripard
2016-03-11 10:55                   ` Maxime Ripard
2016-03-11 11:18                   ` Vinod Koul
2016-03-11 11:18                     ` Vinod Koul
2016-03-14 11:46                     ` Maxime Ripard
2016-03-14 11:46                       ` Maxime Ripard
2016-03-16  3:22                       ` Vinod Koul
2016-03-16  3:22                         ` Vinod Koul
2016-03-07 15:30 ` [linux-sunxi] " Priit Laes
2016-03-07 15:30   ` Priit Laes
2016-03-07 15:47   ` Boris Brezillon
2016-03-07 15:47     ` Boris Brezillon
2016-03-07 17:15     ` Emilio López
2016-03-07 17:15       ` Emilio López

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