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Message-ID: <20210914075523.nit6lznlpasb7pxy@gilmour>
Date: Tue, 14 Sep 2021 09:55:23 +0200
From: Maxime Ripard <maxime@...no.tech>
To: dri-devel@...ts.freedesktop.org,
Daniel Vetter <daniel.vetter@...el.com>,
David Airlie <airlied@...ux.ie>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>
Cc: linux-kernel@...r.kernel.org,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
Phil Elwell <phil@...pberrypi.com>,
Tim Gover <tim.gover@...pberrypi.com>,
Dom Cobley <dom@...pberrypi.com>,
Boris Brezillon <bbrezillon@...nel.org>,
linux-rpi-kernel@...ts.infradead.org,
Hans Verkuil <hverkuil-cisco@...all.nl>,
bcm-kernel-feedback-list@...adcom.com,
Emma Anholt <emma@...olt.net>,
Nicolas Saenz Julienne <nsaenz@...nel.org>
Subject: Re: [PATCH v3 0/6] drm/vc4: hdmi: Fix CEC access while disabled
On Thu, Aug 19, 2021 at 03:59:25PM +0200, Maxime Ripard wrote:
> Hi,
>
> This series aims at fixing a complete and silent hang when one tries to use CEC
> while the display output is off.
>
> This can be tested with:
>
> echo off > /sys/class/drm/card0-HDMI-A-1/status
> cec-ctl --tuner -p 1.0.0.0
> cec-compliance
>
> This series addresses it by making sure the HDMI controller is powered up as
> soon as the CEC device is opened by the userspace.
Applied, thanks!
Maxime
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