From: heiko@sntech.de (Heiko Stuebner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drm/rockchip: Allow driver to be shutdown on reboot/kexec
Date: Mon, 10 Sep 2018 11:07:36 +0200 [thread overview]
Message-ID: <384166528.3nXvZOV8Bt@phil> (raw)
In-Reply-To: <20180805124807.18169-1-marc.zyngier@arm.com>
Am Sonntag, 5. August 2018, 14:48:07 CEST schrieb Marc Zyngier:
> Leaving the DRM driver enabled on reboot or kexec has the annoying
> effect of leaving the display generating transactions whilst the
> IOMMU has been shut down.
>
> In turn, the IOMMU driver (which shares its interrupt line with
> the VOP) starts warning either on shutdown or when entering the
> secondary kernel in the kexec case (nothing is expected on that
> front).
>
> A cheap way of ensuring that things are nicely shut down is to
> register a shutdown callback in the platform driver.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
applied to drm-misc-next
with Vicentes Tested-tag and also a Cc: stable tag added.
sorry for the holdup
Heiko
next prev parent reply other threads:[~2018-09-10 9:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-05 12:48 [PATCH] drm/rockchip: Allow driver to be shutdown on reboot/kexec Marc Zyngier
2018-09-10 9:07 ` Heiko Stuebner [this message]
2018-12-05 3:01 ` Brian Norris
2018-12-05 14:11 ` Heiko Stübner
2018-12-05 14:28 ` Marc Zyngier
2018-12-05 17:42 ` Brian Norris
2018-12-05 18:00 ` Brian Norris
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=384166528.3nXvZOV8Bt@phil \
--to=heiko@sntech.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).