exynos boot falures in linux-next

Inki Dae inki.dae at samsung.com
Mon Nov 17 18:30:18 PST 2014

Hello all,

On 2014년 11월 18일 08:25, Javier Martinez Canillas wrote:
> Hello Kevin,
> On 11/17/2014 11:24 PM, Kevin Hilman wrote:
>> As might have been expected, reverting the change that enables the
>> DRM/display options in exynos_defconfig fixes the problem.
>> Kevin
> I'm sorry for causing a boot failure but when I first posted that patch,
> the Exynos DRM driver was working correctly (at least on the Exynos boards
> I've access to) so it seems the regression was introduced while the patch
> was posted but not yet picked.
> I'm not sure what is the correct step in this case but I'm OK with
> reverting the patch until the Exynos DRM driver bug is fixed.

I found out a bug of Exynos DRM, which is infinite loop issue incurred
by -EPROBE_DEFER. I thought that we resolved this issue with some fixups
but not yet. The problem is because -EPROBE_DEFER is returned in case of
adding a component of a crtc device but one of a connector device. I
will fix it up soon.

Thanks for report,
Inki Dae

> Best regards,
> Javier
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