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From: Maxime Ripard <maxime@cerno.tech>
To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Emma Anholt <emma@anholt.net>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Stefan Wahren <stefan.wahren@i2se.com>,
	Marc Kleine-Budde <mkl@pengutronix.de>
Subject: Re: [PATCH 0/2] drm/vc4: hdmi: Fixes for the RaspberryPi 0-3 stalls
Date: Mon, 10 Oct 2022 10:50:58 +0200	[thread overview]
Message-ID: <20221010085058.dvf4o6tsr55kmw7f@houat> (raw)
In-Reply-To: <20220929-rpi-pi3-unplugged-fixes-v1-0-cd22e962296c@cerno.tech>

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Hi Mark, Stefan,

On Thu, Sep 29, 2022 at 11:21:16AM +0200, Maxime Ripard wrote:
> Here's a series addressing the current bug that has been reported for the
> RaspberryPi3, where booting without an HDMI monitor attached and with vc4
> compiled as a module will lead to a stuck system when the module is loaded.
> 
> This is due to the HSM clock not being initialized by anyone, and thus not
> being functional once we start accessing the HDMI registers.
> 
> The first patch will fix this, and the second will make sure we avoid that
> situation entirely in the future. This has been tested with 5.19.12. Earlier
> versions might need a backport of 88110a9f6209 ("clk: bcm2835: fix
> bcm2835_clock_choose_div").

Could you test/review this?

Thanks
Maxime

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  parent reply	other threads:[~2022-10-10  8:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-29  9:21 Maxime Ripard
2022-09-29  9:21 ` [PATCH 1/2] drm/vc4: hdmi: Enforce the minimum rate at runtime_resume Maxime Ripard
2022-10-13  9:37   ` Javier Martinez Canillas
2022-10-13 12:11   ` (subset) " Maxime Ripard
2022-11-11 21:08   ` Stefan Wahren
2022-11-14  0:48     ` Stefan Wahren
2022-11-14 13:06       ` Maxime Ripard
2022-09-29  9:21 ` [PATCH 2/2] drm/vc4: hdmi: Check the HSM " Maxime Ripard
2022-10-13  9:43   ` Javier Martinez Canillas
2022-10-13 12:11   ` (subset) " Maxime Ripard
2022-10-10  8:50 ` Maxime Ripard [this message]
2022-10-10 16:38   ` [PATCH 0/2] drm/vc4: hdmi: Fixes for the RaspberryPi 0-3 stalls Stefan Wahren

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