From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu, 2 May 2013 22:30:47 +0000 (-0700)
Subject: drm/i915: fix Haswell pfit power well check v2
X-Git-Tag: v3.11-rc1~65^2~131^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b87f3b1bab1df814057ff551f4fc49c22a7fde9;p=pandora-kernel.git

drm/i915: fix Haswell pfit power well check v2

We can't read the pfit regs if the power well is off, so use the cached
value.

v2: re-add lost comment (Jesse)
    make sure the crtc using the fitter is actually enabled (Jesse)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Drop now unused dev_priv, as spotted by Mika.]
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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