From fb19e2ac7cc0f4addbdb1577501a4cdfb6183e7d Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 12 Feb 2014 23:44:34 +0100
Subject: [PATCH] drm/i915: protect ringbuffer sarea update behind !MODESET
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Avoids surprises when userspace races open/closes against this.

Cc: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed