From: "Terje Bergström" <tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Thierry Reding
<thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>
Cc: Arto Merilainen
<amerilainen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"airlied-cv59FeDIM0c@public.gmane.org"
<airlied-cv59FeDIM0c@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: [PATCHv5,RESEND 8/8] drm: tegra: Add gr2d device
Date: Mon, 11 Feb 2013 07:40:10 -0800 [thread overview]
Message-ID: <511910DA.8070600@nvidia.com> (raw)
In-Reply-To: <20130211064452.GA16676-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
On 10.02.2013 22:44, Thierry Reding wrote:
> On Sun, Feb 10, 2013 at 04:42:53PM -0800, Terje Bergström wrote:
>> You're right about performance. We already saw quite a bad performance
>> hit with the current firewall, so we'll need to worry about performance
>> later.
>
> I guess the additional overhead of looking up in a table vs. an actual
> function being run will be rather small compared to the total overhead
> incurred by having the firewall in the first place.
Yeah, I'll just implement a simple linear table lookup and let's see
what happens. I'll optimize with bitfield if needed.
Terje
next prev parent reply other threads:[~2013-02-11 15:40 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-15 11:43 [PATCHv5,RESEND 0/8] Support for Tegra 2D hardware Terje Bergstrom
2013-01-15 11:43 ` [PATCHv5,RESEND 1/8] gpu: host1x: Add host1x driver Terje Bergstrom
2013-02-04 9:09 ` Thierry Reding
[not found] ` <20130204090941.GA27443-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-05 3:30 ` Terje Bergström
[not found] ` <51107CC0.9060900-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-05 7:43 ` Thierry Reding
2013-02-06 20:13 ` Terje Bergström
2013-01-15 11:43 ` [PATCHv5,RESEND 2/8] gpu: host1x: Add syncpoint wait and interrupts Terje Bergstrom
[not found] ` <1358250244-9678-3-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-04 10:30 ` Thierry Reding
[not found] ` <20130204103032.GB27443-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-05 4:29 ` Terje Bergström
[not found] ` <51108A94.3060501-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-05 8:42 ` Thierry Reding
[not found] ` <20130205084255.GB20437-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-06 20:29 ` Terje Bergström
[not found] ` <5112BD26.5060800-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-06 20:38 ` Thierry Reding
[not found] ` <20130206203854.GA1012-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-06 20:41 ` Terje Bergström
2013-01-15 11:43 ` [PATCHv5,RESEND 3/8] gpu: host1x: Add channel support Terje Bergstrom
[not found] ` <1358250244-9678-4-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-25 15:24 ` Thierry Reding
2013-02-26 9:48 ` Terje Bergström
[not found] ` <512C84E2.5090201-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-27 8:56 ` Thierry Reding
2013-03-08 16:16 ` Terje Bergström
[not found] ` <513A0ED0.4070701-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-03-08 20:43 ` Thierry Reding
[not found] ` <20130308204301.GA30742-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-03-11 6:29 ` Terje Bergström
[not found] ` <513D79E7.5000801-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-03-11 7:18 ` Thierry Reding
[not found] ` <20130311071851.GA6033-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-03-11 9:21 ` Terje Bergström
[not found] ` <513DA201.9010707-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-03-11 9:41 ` Thierry Reding
2013-01-15 11:44 ` [PATCHv5,RESEND 4/8] gpu: host1x: Add debug support Terje Bergstrom
2013-02-04 11:03 ` Thierry Reding
[not found] ` <20130204110339.GA28134-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-05 4:41 ` Terje Bergström
2013-02-05 9:15 ` Thierry Reding
[not found] ` <20130205091555.GC20437-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-06 20:58 ` Terje Bergström
[not found] ` <5112C3EB.7020205-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-08 6:54 ` Thierry Reding
2013-01-15 11:44 ` [PATCHv5,RESEND 5/8] drm: tegra: Move drm to live under host1x Terje Bergstrom
[not found] ` <1358250244-9678-6-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-04 11:08 ` Thierry Reding
[not found] ` <20130204110804.GA595-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-05 4:45 ` Terje Bergström
[not found] ` <51108E70.5000602-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-05 9:26 ` Thierry Reding
2013-01-15 11:44 ` [PATCHv5,RESEND 6/8] gpu: host1x: Remove second host1x driver Terje Bergstrom
[not found] ` <1358250244-9678-7-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-04 11:23 ` Thierry Reding
2013-01-15 11:44 ` [PATCHv5,RESEND 7/8] ARM: tegra: Add board data and 2D clocks Terje Bergstrom
[not found] ` <1358250244-9678-8-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-04 11:26 ` Thierry Reding
[not found] ` <20130204112622.GC595-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-04 17:06 ` Stephen Warren
2013-02-05 4:47 ` Terje Bergström
[not found] ` <1358250244-9678-1-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-01-15 11:44 ` [PATCHv5,RESEND 8/8] drm: tegra: Add gr2d device Terje Bergstrom
[not found] ` <1358250244-9678-9-git-send-email-tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-04 12:56 ` Thierry Reding
2013-02-05 5:17 ` Terje Bergström
[not found] ` <511095F9.6040607-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-05 9:54 ` Thierry Reding
[not found] ` <20130205095403.GF20437-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-06 21:23 ` Terje Bergström
[not found] ` <5112C9C5.8080205-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-08 7:07 ` Thierry Reding
[not found] ` <20130208070734.GB15429-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-11 0:42 ` Terje Bergström
[not found] ` <51183E8D.1090607-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-02-11 6:44 ` Thierry Reding
[not found] ` <20130211064452.GA16676-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2013-02-11 15:40 ` Terje Bergström [this message]
2013-01-22 9:03 ` [PATCHv5,RESEND 0/8] Support for Tegra 2D hardware Terje Bergström
2013-02-01 11:29 ` Terje Bergström
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