drm/exynos: Add atomic modesetting support

[Gustavo Padovan]

Hi Inki,

2015-05-07 Inki Dae <inki.dae at samsung.com>:

> Hi,
> 
> On 2015년 05월 07일 06:45, Gustavo Padovan wrote:
> > Hi Inki and Joonyoung.
> > 
> > Any thoughts on this?
> 
> You need to resolve one issue that booting is still halted when one more
> crtc drivers are enabled, which is a dead lock issue incurred by
> register_framebuffer call. For this, I pointed out already at v3.

Don't the last patch of series in v4 fixes this? I think it can fixes
those issues, but I can't test here as I don't have the hardware.

> 
> The last patch may resolve invalid memory access which state->crtc had
> NULL while modetest is being performed but it didn't resolve above
> booting halt issue.
> 
> So as of now, I have merged this patch series for more reviews to
> exynos-drm-next-todo yesterday. I will move them to exynos-drm-next if
> the issue is resolved.

Thanks for moving it to -next-todo

	Gustavo