Patch "drm/i915: Initialize overlay->last_flip properly" has been added to the 4.9-stable tree

Patch "drm/i915: Initialize overlay->last_flip properly" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/i915: Initialize overlay->last_flip properly

to the 4.9-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:
     drm-i915-initialize-overlay-last_flip-properly.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From a6d3e7d35d088b2aabad1688b740e17bfdf566c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 21 Dec 2016 16:45:47 +0200
Subject: drm/i915: Initialize overlay->last_flip properly
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

commit a6d3e7d35d088b2aabad1688b740e17bfdf566c5 upstream.

Initialize overlay->last_flip properly instead of leaving it zeroed.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: 0d9bdd886f29 ("drm/i915: Convert intel_overlay to request tracking")
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161221144547.27319-1-ville.syrjala@linux.intel.com
(cherry picked from commit 330afdb1df0f3fb48583105493a8f4f8d9e3af36)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/i915/intel_overlay.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -1431,6 +1431,8 @@ void intel_setup_overlay(struct drm_i915
 	overlay->contrast = 75;
 	overlay->saturation = 146;
 
+	init_request_active(&overlay->last_flip, NULL);
+
 	regs = intel_overlay_map_regs(overlay);
 	if (!regs)
 		goto out_unpin_bo;


Patches currently in stable-queue which might be from ville.syrjala@linux.intel.com are

queue-4.9/drm-i915-fix-oopses-in-the-overlay-code-due-to-i915_gem_active-stuff.patch
queue-4.9/drm-i915-initialize-overlay-last_flip-properly.patch
queue-4.9/drm-i915-force-vdd-off-on-the-new-power-seqeuencer-before-starting-to-use-it.patch
queue-4.9/drm-i915-fix-oops-in-overlay-due-to-frontbuffer-tracking.patch