From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Peter Rosin <peda@axentia.se>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: Panel unable to use atmel,hlcdc-pwm for backlight
Date: Mon, 26 Sep 2016 21:51:22 +0200 [thread overview]
Message-ID: <20160926215122.0ac04085@bbrezillon> (raw)
In-Reply-To: <5e01f70f-3e14-4c7a-5063-1c374fa31948@axentia.se>
On Mon, 26 Sep 2016 21:35:43 +0200
Peter Rosin <peda@axentia.se> wrote:
> Hi!
>
> I'm trying to attach a simpel-panel to an atmel,sama5d3-hlcdc
> controller. See below for the parts of my .dts that I find
> relevant.
>
> When I boot with this, I run into a problem. What I think
> happens is that the hlcdc probe fails because the panel
> probe fails because the backlight probe fails because the
> pwm probe fails because the hlcdc probe hasn't completed
> yet. I.e. a circular dependency.
No, it's not a circular dependency issue (the atmel-hlcdc-pwm depends
on the atmel-hlcdc-mfd driver, not the atmel-hlcdc-drm driver).
Are you sure you enabled CONFIG_PWM_ATMEL_HLCDC?
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next prev parent reply other threads:[~2016-09-26 19:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-26 19:35 Panel unable to use atmel,hlcdc-pwm for backlight Peter Rosin
2016-09-26 19:51 ` Boris Brezillon [this message]
2016-09-26 19:58 ` Peter Rosin
2016-09-26 20:58 ` Peter Rosin
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