From: "Terje Bergström" <tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Mark Zhang <nvmarkzhang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org"
<thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>,
"airlied-cv59FeDIM0c@public.gmane.org"
<airlied-cv59FeDIM0c@public.gmane.org>,
"dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org"
<dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org>,
"dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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
WARNING: multiple messages have this Message-ID (diff)
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
next prev parent reply other threads:[~2013-01-02 9:43 UTC|newest]
Thread overview: 65+ 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 ` Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 1/8] gpu: host1x: Add host1x driver Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 2/8] gpu: host1x: Add syncpoint wait and interrupts Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 3/8] gpu: host1x: Add channel support Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
[not found] ` <1356089964-5265-4-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-22 4:17 ` Steven Rostedt
2012-12-22 4:17 ` Steven Rostedt
[not found] ` <1356149848.5896.124.camel-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2013-01-02 9:31 ` Terje Bergström
2013-01-02 9:31 ` Terje Bergström
2013-01-02 7:40 ` Mark Zhang
2013-01-02 7:40 ` Mark Zhang
2013-01-02 9:31 ` Terje Bergström
[not found] ` <50E3FE8C.8000309-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-02 9:31 ` Mark Zhang
2013-01-02 9:31 ` Mark Zhang
[not found] ` <50E3FE57.5070702-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-01-02 9:43 ` Terje Bergström [this message]
2013-01-02 9:43 ` Terje Bergström
2012-12-21 11:39 ` [PATCHv4 4/8] gpu: host1x: Add debug support Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 7/8] drm: tegra: Add gr2d device Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
[not found] ` <1356089964-5265-1-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-21 11:39 ` [PATCHv4 5/8] drm: tegra: Remove redundant host1x Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
[not found] ` <1356089964-5265-6-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-21 14:36 ` Thierry Reding
2012-12-21 14:36 ` Thierry Reding
2012-12-22 6:50 ` Terje Bergström
[not found] ` <50D55820.7030302-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-25 5:25 ` Stephen Warren
2012-12-25 5:25 ` Stephen Warren
2012-12-28 21:21 ` Thierry Reding
2012-12-31 6:43 ` Terje Bergström
2012-12-31 6:43 ` Terje Bergström
[not found] ` <20121221143614.GA16167-RM9K5IK7kjIyiCvfTdI0JKcOhU4Rzj621B7CTYaBSLdn68oJJulU0Q@public.gmane.org>
2013-01-03 17:58 ` 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 ` Terje Bergstrom
2012-12-21 11:39 ` [PATCHv4 8/8] gpu: host1x: Register DRM dummy device Terje Bergstrom
2012-12-21 11:39 ` Terje Bergstrom
[not found] ` <1356089964-5265-9-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-21 13:53 ` Lucas Stach
2012-12-21 13:53 ` Lucas Stach
2012-12-21 14:09 ` Thierry Reding
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 13:50 ` Lucas Stach
2012-12-21 13:57 ` Terje Bergström
2012-12-21 13:57 ` Terje Bergström
[not found] ` <50D46AE4.8020308-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-21 13:59 ` Lucas Stach
2012-12-21 13:59 ` Lucas Stach
2013-01-03 6:14 ` Terje Bergström
2013-01-03 6:14 ` Terje Bergström
2012-12-26 9:42 ` Mark Zhang
2012-12-26 9:42 ` Mark Zhang
2013-01-02 9:25 ` Terje Bergström
[not found] ` <50E3FD17.80402-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-03 2:36 ` Mark Zhang
2013-01-03 2:36 ` Mark Zhang
2012-12-28 9:14 ` Mark Zhang
[not found] ` <50DD6311.9000002-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-01-02 9:42 ` Terje Bergström
2013-01-02 9:42 ` Terje Bergström
[not found] ` <50E40106.4020406-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-03 3:31 ` Mark Zhang
2013-01-03 3:31 ` Mark Zhang
[not found] ` <50E4FBAF.30700-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-01-03 5:50 ` Terje Bergström
2013-01-03 5:50 ` Terje Bergström
[not found] ` <50E51C08.1020603-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-03 5:55 ` Mark Zhang
2013-01-03 5:55 ` Mark Zhang
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