This is a note to let you know that I've just added the patch titled
Revert "drm/i915: Don't skip request retirement if the active list is empty"
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-drm-i915-don-t-skip-request-retirement-if-the-active-list-is-empty.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 245ec9d85696c3e539b23e210f248698b478379c Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@xxxxxxxxx>
Date: Mon, 15 Jun 2015 12:59:37 +0300
Subject: Revert "drm/i915: Don't skip request retirement if the active list is empty"
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From: Jani Nikula <jani.nikula@xxxxxxxxx>
commit 245ec9d85696c3e539b23e210f248698b478379c upstream.
This reverts commit 0aedb1626566efd72b369c01992ee7413c82a0c5.
I messed things up while applying [1] to drm-intel-fixes. Rectify.
[1] http://mid.gmane.org/1432827156-9605-1-git-send-email-ville.syrjala@xxxxxxxxxxxxxxx
Fixes: 0aedb1626566 ("drm/i915: Don't skip request retirement if the active list is empty")
Acked-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2732,6 +2732,9 @@ void i915_gem_reset(struct drm_device *d
void
i915_gem_retire_requests_ring(struct intel_engine_cs *ring)
{
+ if (list_empty(&ring->request_list))
+ return;
+
WARN_ON(i915_verify_lists(ring->dev));
/* Retire requests first as we use it above for the early return.
Patches currently in stable-queue which might be from jani.nikula@xxxxxxxxx are
queue-4.0/revert-drm-i915-don-t-skip-request-retirement-if-the-active-list-is-empty.patch
queue-4.0/drm-i915-always-reset-vma-ggtt_view.pages-cache-on-unbinding.patch
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