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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