linux-kernel - Re: [PATCH 14/15] gma500: nuke the PSB debug stuff

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Message-ID: <1307615814.5963.2.camel@t60prh>
Date:	Thu, 09 Jun 2011 20:36:51 +1000
From:	Dave Airlie <airlied@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>, greg@...ah.com,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 14/15] gma500: nuke the PSB debug stuff

On Thu, 2011-06-09 at 09:11 +0100, Alan Cox wrote:
> On Thu, 9 Jun 2011 03:10:03 +0200
> Patrik Jakobsson <patrik.r.jakobsson@...il.com> wrote:
> 
> > Hi Alan
> > 
> > Just a thought. Shouldn't we use the DRM macros for printing debug info?
> 
> Linux has perfectly good printing functions and using them means we can
> use dev_dbg() which supports things like nice runtime switching.

You mean like the drm debug functions runtime switching? that predated
the kernel ones and nobody ever ported :-)

Though if psb wants to be different to other drm drivers it can lead the
way, though it'll be a total nightmare for all the people who follow
documentation on how to debug drm drivers using drm.debug=1,2,4,8. for
various code paths.

Dave.


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