From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Tue, 17 Sep 2013 15:33:44 +0000 (+0300)
Subject: drm/i915: Don't enable the cursor on a disable pipe
X-Git-Tag: v3.12-rc2~3^2~2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2f5f771c5fc0fa252cde3d0d0452dcc785cc17a;p=pandora-kernel.git

drm/i915: Don't enable the cursor on a disable pipe

On HSW enabling a plane on a disabled pipe may hang the entire system.
And there's no good reason for doing it ever, so just don't.

v2: Move the crtc active checks to intel_crtc_cursor_{set,move} to
    avoid confusing people during modeset

Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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