linux-kernel - Re: [PATCH 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <yunhb3t7uif.fsf@aiko.keithp.com>
Date:	Fri, 30 Sep 2011 11:30:32 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	Dave Airlie <airlied@...hat.com>, intel-gfx@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp_prepare

On Fri, 30 Sep 2011 19:45:02 +0200, Daniel Vetter <daniel@...ll.ch> wrote:

> If I understand things correctly we don't need the vdd_on/off on dpms off
> because the panel is running and has power.

Yes, that's correct; the aux channel works with either full power or
with the force VDD bit turned on.

-- 
keith.packard@...el.com

Content of type "application/pgp-signature" skipped