From: Maxime Ripard <maxime@cerno.tech>
To: Maxime Ripard <maxime@cerno.tech>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel.vetter@intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-rpi-kernel@lists.infradead.org,
Florian Fainelli <f.fainelli@gmail.com>,
Mike Turquette <mturquette@baylibre.com>,
Michael Stapelberg <michael@stapelberg.ch>,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Stephen Boyd <sboyd@kernel.org>
Subject: Re: (subset) [PATCH 5/5] drm/vc4: hdmi: Make sure the controller is powered in detect
Date: Wed, 13 Oct 2021 14:59:25 +0200 [thread overview]
Message-ID: <163412979204.237205.12502576005063521363.b4-ty@cerno.tech> (raw)
In-Reply-To: <20210922125419.4125779-6-maxime@cerno.tech>
On Wed, 22 Sep 2021 14:54:19 +0200, Maxime Ripard wrote:
> If the HPD GPIO is not available and drm_probe_ddc fails, we end up
> reading the HDMI_HOTPLUG register, but the controller might be powered
> off resulting in a CPU hang. Make sure we have the power domain and the
> HSM clock powered during the detect cycle to prevent the hang from
> happening.
>
>
> [...]
Applied to drm/drm-misc (drm-misc-fixes).
Thanks!
Maxime
next prev parent reply other threads:[~2021-10-13 12:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-22 12:54 [PATCH 0/5] drm/vc4: hdmi: Remove CPU hangs, take 2 Maxime Ripard
2021-09-22 12:54 ` [PATCH 1/5] clk: bcm-2835: Pick the closest clock rate Maxime Ripard
2021-09-28 16:26 ` nicolas saenz julienne
2021-09-30 18:08 ` Stephen Boyd
2021-10-13 12:59 ` (subset) " Maxime Ripard
2021-09-22 12:54 ` [PATCH 2/5] clk: bcm-2835: Remove rounding up the dividers Maxime Ripard
2021-09-28 16:26 ` nicolas saenz julienne
2021-09-29 13:27 ` Maxime Ripard
2021-09-30 18:09 ` Stephen Boyd
2021-10-13 12:59 ` (subset) " Maxime Ripard
2021-09-22 12:54 ` [PATCH 3/5] drm/vc4: hdmi: Set a default HSM rate Maxime Ripard
2021-09-30 15:51 ` nicolas saenz julienne
2021-10-13 12:59 ` (subset) " Maxime Ripard
2021-09-22 12:54 ` [PATCH 4/5] drm/vc4: hdmi: Move the HSM clock enable to runtime_pm Maxime Ripard
2021-09-30 15:54 ` nicolas saenz julienne
2021-10-13 12:59 ` (subset) " Maxime Ripard
2021-09-22 12:54 ` [PATCH 5/5] drm/vc4: hdmi: Make sure the controller is powered in detect Maxime Ripard
2021-09-30 15:55 ` nicolas saenz julienne
2021-10-13 12:59 ` Maxime Ripard [this message]
[not found] ` <CANnVG6kFC7q_dDDp4rRZsJz=paHKy2STn9127LE=JJOf2kW2TA@mail.gmail.com>
2021-09-23 7:05 ` [PATCH 0/5] drm/vc4: hdmi: Remove CPU hangs, take 2 Michael Stapelberg
2021-09-24 7:40 ` Maxime Ripard
2021-09-28 13:05 ` Maxime Ripard
2021-09-30 18:09 ` Stephen Boyd
2021-09-30 18:39 ` Florian Fainelli
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