Re: [PATCH] ARM: dts: imx6qdl-nitrogen6_max: Disable LVDS channels

From: Fabio Estevam
Date: Wed Apr 10 2019 - 07:55:15 EST

Hi Robert,

On Wed, Apr 10, 2019 at 7:57 AM Robert Foss <robert.foss@xxxxxxxxxxxxx> wrote:

> # dmesg
> imx-drm display-subsystem: failed to bind disp0 (ops imx_pd_ops): -517
> imx-drm display-subsystem: master bind failed: -517
> This dmesg log is failing to bind disp0 at another point than what I
> was seeing before, yet the result is the same. The connected HDMI
> output is not brought online correctly.

It seems that the ldb failure is due to the lvds backlight nodes not
finding the PWM resource due to the PWM driver rename.

Please check if this patch fixes the problem on your case:

imx-drm should also be fixed independently of this PWM rename change
in my opinion.