Re: [PATCH] drm/sun4i: rgb: Enable panel after controller

Hi,

On Wed, Sep 21, 2016 at 11:03:04PM +1000, Jonathan Liu wrote:

The panel should be enabled after the controller so that the panel prepare/enable delays are properly taken into account. Similarly, the panel should be disabled before the controller so that the panel unprepare/disable delays are properly taken into account.

This is useful for avoiding visual glitches.

This is not really taking any delays into account, especially since drm_panel_enable and prepare are suppose to block until their operation is complete.

Maxime