From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Widawsky <ben@bwidawsk.net>
Subject: Re: frame buffer compression and 915GM
Date: Thu, 26 May 2011 18:53:47 -0700
Message-ID: <20110527015346.GA6000@lundgren.kumite>
References: <239762.9588.qm@web110512.mail.gq1.yahoo.com>
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To: SD <sd.domrep@yahoo.com>
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On Thu, May 26, 2011 at 12:29:07PM -0700, SD wrote:
> Dear All.
> 
> How can I find out if FBC is disabled/enabled for my i915GM on kernel 2.6.38.6-27 and on rawhide 2.6.39-1.
> 
> Thanks

debugfs has it. For example:
cat /sys/kernel/debug/dri/0/i915_fbc_status

Ben