From c86ee3a9f8cddcf2e637da19d6e7c05bdea11a96 Mon Sep 17 00:00:00 2001
From: Thomas Daniel <thomas.daniel@intel.com>
Date: Thu, 13 Nov 2014 10:27:05 +0000
Subject: [PATCH] drm/i915/bdw: Clean up execlist queue items in retire_work

No longer create a work item to clean each execlist queue item.
Instead, move retired execlist requests to a queue and clean up the
items during retire_requests.

v2: Fix legacy ring path broken during overzealous cleanup

v3: Update idle detection to take execlists queue into account

v4: Grab execlist lock when checking queue state

v5: Fix leaking requests by freeing in execlists_retire_requests.

Issue: VIZ-4274
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Akash Goel <akash.goels@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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