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From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] dmaengine: hdmac: Add memset capabilities
Date: Tue, 25 Aug 2015 07:15:43 +0200	[thread overview]
Message-ID: <20150825051543.GZ2413@lukather> (raw)
In-Reply-To: <20150824142425.GL13546@localhost>

On Mon, Aug 24, 2015 at 07:54:25PM +0530, Vinod Koul wrote:
> On Mon, Aug 24, 2015 at 11:21:15AM +0200, Maxime Ripard wrote:
> > Just like for the XDMAC, the SoCs that embed the HDMAC don't have any kind
> > of GPU, and need to accelerate a few framebuffer-related operations through
> > their DMA controller.
> > 
> > However, unlike the XDMAC, the HDMAC doesn't have the memset capability
> > built-in. That can be easily emulated though, by doing a transfer with a
> > fixed address on the variable that holds the value we want to set.
> 
> Applied, thanks

Thanks for merging it so quickly, and sorry for the silent conflict.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Vinod Koul <vinod.koul@intel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>,
	Ludovic Desroches <ludovic.desroches@atmel.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3] dmaengine: hdmac: Add memset capabilities
Date: Tue, 25 Aug 2015 07:15:43 +0200	[thread overview]
Message-ID: <20150825051543.GZ2413@lukather> (raw)
In-Reply-To: <20150824142425.GL13546@localhost>

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On Mon, Aug 24, 2015 at 07:54:25PM +0530, Vinod Koul wrote:
> On Mon, Aug 24, 2015 at 11:21:15AM +0200, Maxime Ripard wrote:
> > Just like for the XDMAC, the SoCs that embed the HDMAC don't have any kind
> > of GPU, and need to accelerate a few framebuffer-related operations through
> > their DMA controller.
> > 
> > However, unlike the XDMAC, the HDMAC doesn't have the memset capability
> > built-in. That can be easily emulated though, by doing a transfer with a
> > fixed address on the variable that holds the value we want to set.
> 
> Applied, thanks

Thanks for merging it so quickly, and sorry for the silent conflict.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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  reply	other threads:[~2015-08-25  5:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-24  9:21 [PATCH v3] dmaengine: hdmac: Add memset capabilities Maxime Ripard
2015-08-24  9:21 ` Maxime Ripard
2015-08-24 14:24 ` Vinod Koul
2015-08-24 14:24   ` Vinod Koul
2015-08-25  5:15   ` Maxime Ripard [this message]
2015-08-25  5:15     ` Maxime Ripard

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