[PATCH] drm/sun4i: rgb: Enable panel after controller
Maxime Ripard
maxime.ripard at free-electrons.com
Wed Sep 21 21:03:40 UTC 2016
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
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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