From 7f06c236b964db3d8d086c5a0087b2eb4de3bf7a Mon Sep 17 00:00:00 2001
From: "monk.liu" <monk.liu@amd.com>
Date: Thu, 30 Jul 2015 18:28:12 +0800
Subject: [PATCH] drm/amdgpu: move wait_queue_head from adev to ring (v2)
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thus unnecessary wake up could be avoid between rings
v2:
move wait_queue_head to fence_drv from ring

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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