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From: Pavel Machek <pavel@ucw.cz>
To: Piotr Gluszenia Slawinski <curious@bwv190.internetdsl.tpnet.pl>
Cc: Dave Airlie <airlied@redhat.com>,
	Timothy Meade <zt.tmzt@gmail.com>,
	linux-arm-msm@vger.kernel.org,
	Saravana Kannan <skannan@codeaurora.org>,
	LKML <linux-kernel@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: Closed source userspace graphics drivers with an open source kernel component
Date: Wed, 14 Jul 2010 15:24:34 +0200	[thread overview]
Message-ID: <20100714132434.GC3103@ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.64.1007020456250.9535@bwv190.internetdsl.tpnet.pl>

Hi!

> >There is no point supporting companies that give you a little bit of
> >information in exchange they want the support that being in a mainline
> >kernel gives. Its an unfair exchange of knowledge and time, and if they
> >claim they have to make a profit then its even more unfair.
> 
> also, they seem to do it quite wrong way. i.e. much simpler would be
> to just implement regular, open driver , and implement additional
> crypto
> mechanism in chipset itself, allowing to use simple userspace program
> sending certified keys allowing GPU to operate.

What is going on there? Does msm actually use crypto to prevent you
from use hardware you bought?

Are the keys device-specific? What prevents me from
reverse-engineering their binary and publishing them?	
						                     Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2010-07-14 22:43 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-01 22:10 Closed source userspace graphics drivers with an open source kernel component Dave Airlie
2010-07-01 22:10 ` Dave Airlie
2010-07-01 22:36 ` Dave Airlie
2010-07-01 22:36   ` Dave Airlie
2010-07-01 22:51   ` Daniel Walker
2010-07-01 22:51     ` Daniel Walker
2010-07-01 22:57     ` Dave Airlie
2010-07-01 22:57       ` Dave Airlie
2010-07-01 23:29       ` Daniel Walker
2010-07-01 23:29         ` Daniel Walker
2010-07-01 23:37         ` Dave Airlie
2010-07-01 23:37           ` Dave Airlie
2010-07-01 23:37           ` Dave Airlie
2010-07-02  0:08           ` Daniel Walker
2010-07-02  0:08             ` Daniel Walker
2010-07-02  0:08             ` Daniel Walker
2010-07-02  0:13             ` Dave Airlie
2010-07-02  0:13               ` Dave Airlie
2010-07-02  0:18               ` Saravana Kannan
     [not found]                 ` <AANLkTilsqmCZwLUNJhvDKkralHQZzlRV3ZxaIGbt9-xB@mail.gmail.com>
2010-07-02  0:38                   ` Timothy Meade
2010-07-02  0:42                     ` Timothy Meade
2010-07-02  0:42                       ` Timothy Meade
2010-07-02  2:46                       ` Dave Airlie
2010-07-02  2:46                         ` Dave Airlie
2010-07-02  2:46                         ` Dave Airlie
2010-07-02  3:01                         ` Piotr Gluszenia Slawinski
2010-07-02  3:01                           ` Piotr Gluszenia Slawinski
2010-07-02  3:01                           ` Piotr Gluszenia Slawinski
2010-07-02  4:54                           ` Howard Chu
2010-07-02  4:54                             ` Howard Chu
2010-07-02  6:52                             ` Piotr Gluszenia Slawinski
2010-07-02  6:52                               ` Piotr Gluszenia Slawinski
2010-07-02  6:52                               ` Piotr Gluszenia Slawinski
2010-07-14 13:24                           ` Pavel Machek [this message]
2010-07-16  0:42                             ` Tim HRM
2010-07-16  0:42                               ` Tim HRM
2010-07-01 23:51 ` Piotr Gluszenia Slawinski
2010-07-02  1:27   ` Corbin Simpson
2010-07-02  1:27     ` Corbin Simpson
2010-07-02  7:48 ` Christoph Hellwig
2010-07-02  9:58 ` Luc Verhaegen
2010-07-02 10:15   ` Christoph Hellwig
2010-07-02 11:12     ` Luc Verhaegen
2010-07-02 11:26       ` Dave Airlie
2010-07-02 11:26         ` Dave Airlie
2010-07-02 10:23   ` Dave Airlie
2010-07-02 10:23     ` Dave Airlie
2010-07-02 11:10     ` Luc Verhaegen
2010-07-02 11:53       ` Dave Airlie
2010-07-02 11:53         ` Dave Airlie
2010-07-02 12:07         ` "C. Bergström"
2010-07-02 12:07           ` "C. Bergström"
2010-07-02 14:45           ` Xavier Bestel
2010-07-02 15:03             ` "C. Bergström"
2010-07-04  7:06         ` Magnus Wendt
2010-07-04  7:27           ` Dave Airlie
2010-07-04  7:27             ` Dave Airlie
2010-07-04 11:03             ` Theodore Tso
2010-07-04 15:37               ` Matthew Garrett
2010-07-04 15:37                 ` Matthew Garrett
2010-07-04 20:05               ` Dave Airlie
2010-07-04 20:05                 ` Dave Airlie
2010-07-02 14:01       ` Anton Vorontsov
2010-07-03  0:41   ` Ian Romanick
2010-07-03  0:41     ` Ian Romanick
2010-07-03 11:46   ` Garry Hurley

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