From: Jani Nikula <jani.nikula@linux.intel.com>
To: Damian Dominik Martinez Dreyer <damian@mailbox.org>,
Chris Wilson <chris@chris-wilson.co.uk>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Eric Blau <eblau1@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Potential BUG in drm/i915/execlists: Reset RING registers upon resume
Date: Tue, 14 Mar 2017 13:19:47 +0200 [thread overview]
Message-ID: <87a88ods18.fsf@intel.com> (raw)
In-Reply-To: <1489443835.5568.7.camel@mailbox.org>
On Tue, 14 Mar 2017, Damian Dominik Martinez Dreyer <damian@mailbox.org> wrote:
> I am writing regarding this kernel patch: https://git.kernel.org/pub/sc
> m/linux/kernel/git/stable/stable-queue.git/tree/releases/4.9.9/drm-
> i915-execlists-reset-ring-registers-upon-resume.patch .
That would be
commit f2a0409a08502d64fbe3990354dff5902b08d2fb
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Sep 21 14:51:08 2016 +0100
drm/i915/execlists: Reset RING registers upon resume
commit bafb2f7d4755bf1571bd5e9a03b97f3fc4fe69ae upstream.
in v4.9.9 not just a patch.
> I have identified this by bisect to be the cause of a suspend and
> resume issue. Please see https://github.com/kxv/linux49.9 for the
> bisect history.
>
> After this change, a Laptop (HP Spectre x360) with Intel HD Graphics
> 520 will wake up from suspend to a blank screen.
>
> Please also see this thread on the manjaro linux forum: https://forum.m
> anjaro.org/t/linux-4-9-9-breaks-hibernation-4-9-8-works/17499 .
Please file a bug over at [1], with the information added to the bug.
Also mention if v4.10 works for you; that's where the commit was
backported to v4.9.9 from.
BR,
Jani.
[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2017-03-14 11:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-13 22:23 Potential BUG in drm/i915/execlists: Reset RING registers upon resume Damian Dominik Martinez Dreyer
2017-03-14 1:20 ` Eric Blau
2017-03-20 15:01 ` [Intel-gfx] " Jani Nikula
2017-03-20 15:01 ` Jani Nikula
2017-03-20 15:13 ` [Intel-gfx] " Greg Kroah-Hartman
2017-03-20 15:13 ` Greg Kroah-Hartman
2017-03-20 15:24 ` [Intel-gfx] " Eric Blau
2017-03-20 15:24 ` Eric Blau
2017-04-12 12:55 ` [Intel-gfx] " Greg Kroah-Hartman
2017-04-12 13:35 ` Jani Nikula
2017-04-12 13:35 ` Jani Nikula
2017-04-12 13:55 ` [Intel-gfx] " Greg Kroah-Hartman
2017-04-12 13:55 ` Greg Kroah-Hartman
2017-03-20 15:42 ` [Intel-gfx] " Jani Nikula
2017-03-20 15:42 ` Jani Nikula
2017-03-14 11:19 ` Jani Nikula [this message]
2017-03-15 22:59 ` Damian Dominik Martinez Dreyer
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