Re: [PATCH 3/6] drm/exynos: Remove exynos_plane_dpms() call with no effect

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2015-01-30 Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>:

> +Cc Inki,
> 
> Hi,
> 
> On 01/23/2015 09:42 PM, Gustavo Padovan wrote:
> > From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> > 
> > exynos_plane_dpms(DRM_MODE_DPMS_ON) calls the win_enable()'s callback
> > from the underlying layer. However neither one of these layers implement
> > win_enable() - FIMD, Mixer and VIDI. Thus the call to exynos_plane_dpms()
> > is pointless.
> > 
> 
> No, it needs for pair with DRM_MODE_DPMS_OFF case.

It is a stub call. exynos_plane_dpms(DRM_MODE_DPMS_ON) only calls
exynos_crtc->ops->win_enable() however neither FIMD, VIDI or Mixer implements
win_enable(). So it has no effect and we can remove this call safely.

	Gustavo
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