linux-kernel - Re: [PATCH 0/7] Reorder i.MX IPU display enable/disable sequence

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Message-ID: <20140414195718.GK24070@n2100.arm.linux.org.uk>
Date:	Mon, 14 Apr 2014 20:57:18 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	devel@...verdev.osuosl.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH 0/7] Reorder i.MX IPU display enable/disable sequence

On Mon, Apr 14, 2014 at 05:21:28PM +0200, Philipp Zabel wrote:
> Repeatedly enabling and disabling the display currently can lead to a state
> in which the IPU doesn't produce a valid signal anymore because we disable
> IPU submodules before they can finish their interaction.

Well done at finding the cause of this - I've encounted this several
times, while testing imx-hdmi and it's good that it should hopefully
be fixed!

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