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From: "Terje Bergström" <tbergstrom@nvidia.com>
To: Mark Zhang <nvmarkzhang@gmail.com>
Cc: "thierry.reding@avionic-design.de"
	<thierry.reding@avionic-design.de>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"dev@lynxeye.de" <dev@lynxeye.de>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv4 3/8] gpu: host1x: Add channel support
Date: Wed, 2 Jan 2013 11:43:51 +0200	[thread overview]
Message-ID: <50E40157.9070902@nvidia.com> (raw)
In-Reply-To: <50E3FE57.5070702@gmail.com>

On 02.01.2013 11:31, Mark Zhang wrote:
> On 01/02/2013 05:31 PM, Terje Bergström wrote:
>> That's intentional. Writing a job to channel is atomic, so lock is taken
>> from host1x_cdma_begin() until host1x_cdma_end().
>>
> 
> Okay. So can we consider that lock and unlock this mutex in the function
> which calls host1x_cdma_begin and host1x_cdma_end, that means, in
> current implementation, function "channel_submit"?

Yes, exactly.

Terje


  reply	other threads:[~2013-01-02  9:38 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-21 11:39 [PATCHv4 0/8] Support for Tegra 2D hardware Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 1/8] gpu: host1x: Add host1x driver Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 2/8] gpu: host1x: Add syncpoint wait and interrupts Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 3/8] gpu: host1x: Add channel support Terje Bergstrom
2012-12-22  4:17   ` Steven Rostedt
2013-01-02  9:31     ` Terje Bergström
2013-01-02  7:40   ` Mark Zhang
2013-01-02  9:31     ` Terje Bergström
2013-01-02  9:31       ` Mark Zhang
2013-01-02  9:43         ` Terje Bergström [this message]
2012-12-21 11:39 ` [PATCHv4 4/8] gpu: host1x: Add debug support Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 5/8] drm: tegra: Remove redundant host1x Terje Bergstrom
2012-12-21 14:36   ` Thierry Reding
2012-12-22  6:50     ` Terje Bergström
2012-12-25  5:25       ` Stephen Warren
2012-12-28 21:21         ` Thierry Reding
2012-12-31  6:43           ` Terje Bergström
2013-01-03 17:58     ` Terje Bergström
2012-12-21 11:39 ` [PATCHv4 6/8] ARM: tegra: Add board data and 2D clocks Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 7/8] drm: tegra: Add gr2d device Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 8/8] gpu: host1x: Register DRM dummy device Terje Bergstrom
2012-12-21 13:53   ` Lucas Stach
2012-12-21 14:09     ` Thierry Reding
2012-12-21 13:50 ` [PATCHv4 0/8] Support for Tegra 2D hardware Lucas Stach
2012-12-21 13:57   ` Terje Bergström
2012-12-21 13:59     ` Lucas Stach
2013-01-03  6:14   ` Terje Bergström
2012-12-26  9:42 ` Mark Zhang
2013-01-02  9:25   ` Terje Bergström
2013-01-03  2:36     ` Mark Zhang
2012-12-28  9:14 ` Mark Zhang
2013-01-02  9:42   ` Terje Bergström
2013-01-03  3:31     ` Mark Zhang
2013-01-03  5:50       ` Terje Bergström
2013-01-03  5:55         ` Mark Zhang

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