[BUG] hdlcd gets confused about base address

[Russell King - ARM Linux]

On Mon, Nov 21, 2016 at 01:24:19PM +0000, Russell King - ARM Linux wrote:
> On Mon, Nov 21, 2016 at 12:56:53PM +0000, Liviu Dudau wrote:
> > That is mostly due to the check in hdlcd_crtc_disable() which I should
> > remove, I've added it because I was getting a ->disable() hook call
> > before any ->enable() was called at startup time. I need to revisit
> > this as I remember Daniel was commenting that this was not needed.
> 
> Removing that test results in:
> 
> [drm:drm_atomic_helper_commit_cleanup_done] *ERROR* [CRTC:24:crtc-0] flip_done timed out
> 
> and the kernel hanging, seemingly in an IRQs-off region.

Annoyingly, enabling DRM debug prevents the kernel hanging...

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