linux-kernel - Re: Droid 4 in -next -- still no backlight was Re: [PATCH 1/4] tty: n

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Date:   Tue, 24 Mar 2020 10:36:59 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@...x.de>
Cc:     kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, sre@...nel.org, nekit1000@...il.com,
        mpartap@....net, merlijn@...zup.org, martin_rysavy@...trum.cz,
        Peter Hurley <peter@...leysoftware.com>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: Droid 4 in -next -- still no backlight was Re: [PATCH 1/4] tty:
 n_gsm: Add support for serdev drivers

* Tony Lindgren <tony@...mide.com> [200324 17:02]:
> * Pavel Machek <pavel@...x.de> [200322 22:43]:
> > Before I start debugging, does screen work for you in -next, or do you
> > have some fixes I could try?
> 
> Yes the backlight works for me now just fine with current v5.6-rc.
> 
> But yeah, looks like LCD is again broken in current Linux next,
> maybe Laurent and Sebastian have some clues?

Oh it's just that now display-connector needs to be loaded instead
of the old omap specific hdmi connector :)

See commit e7e67d9a2f1d ("drm/omap: Switch the HDMI and VENC outputs
to drm_bridge") and check that you have the .config options enabled
in that patch also in your custom .config.

Regards,

Tony