From d297e1037327884fe9545f434d720fd3e8f18c80 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 6 Aug 2014 14:50:01 +0300
Subject: [PATCH] drm/i915: Update scanline_offset only for active crtcs
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update_scanline_offset() in intel_sanitize_crtc() was supposed to
be called only for active crtcs. But due to some underrun patches it
now gets updated for all crtcs on gmch platforms.

Move the update_scanline_offset() to the very beginning of
intel_sanitize_crtc() where we update the vblank state. This seems like
a better place anyway since the scanline offset ought to be up to date
before we might need to consult it. So before any vblanky stuff happens.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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