linux-kernel - RE: [BISECTED,REGRESSION] v4.12-rc: omapdrm fails to probe on Nokia N900

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Message-ID: <20170721012827.GI3@computer.craftyguy.net>
Date:   Thu, 20 Jul 2017 18:28:27 -0700
From:   Clayton Craft <clayton@...ftyguy.net>
To:     tomi.valkeinen@...com, aaro.koskinen@....fi, peter.ujfalusi@...com
Cc:     tony@...mide.com, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        laurent.pinchart@...asonboard.com
Subject: RE: [BISECTED,REGRESSION] v4.12-rc: omapdrm fails to probe on Nokia
 N900

> Well, I tried that (attached), but it didn't work either. For some
> reason the error worker seems to stop after the disable. Possibly the
> irq flood keeps it from running, so maybe it should catch all the errors
> (I see underflows too).
> 
> Sorry, but I can't use more time on this today, and I'm leaving for
> vacation today. I hope Laurent can help during my absence.
> 
> We could try reverting the patch you mention, but I think it doesn't
> cause the problem.
> 
> Did you have CONFIG_DRM_OMAP_CONNECTOR_ANALOG_TV enabled earlier when
> things worked? If you didn't, and the dts did not contain display
> aliases, I think the omapdrm may have started without TV. So maybe the
> TV side is the culprit, somehow (I couldn't find anything when I looked
> at that side either).

Just curious if any progress has been made on this issue. It's still
happening with 4.13-rc1, and it doesn't look like any of the suspect
patches were reverted.

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