From: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon, 24 Jun 2013 15:22:02 +0000 (+0100)
Subject: drm/i915: Fix reason for per-chip disabling of FBC
X-Git-Tag: v3.12-rc1~136^2~165^2~69
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a5729a37375c20a196e14ce49b4390d42bdb87b;p=pandora-kernel.git

drm/i915: Fix reason for per-chip disabling of FBC

When running on my snb machine, recent kernels display successively:

[drm:intel_update_fbc], fbc set to per-chip default
[drm:intel_update_fbc], fbc disabled per module param

But no module param is set. This happens because the check for the
module parameter uses a variable that has been overridden inside the
"per-chip default" code.

Fix up the logic and add another reason for the FBC to the be disabled.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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