From eba94eb90138caf0b22797dc5fd802e28d253dcf Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 16 Oct 2013 22:55:46 +0200
Subject: [PATCH] drm/i915: extract display_pipe_crc_update

The ringbuffer update logic should always be the same, but different
platforms have different amounts of CRC registers. Hence extract it.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed