drm-misc-fixes-2019-04-11

Maxime Ripard

@mripard

1a07a94b · drm/sun4i: tcon top: Fix NULL/invalid pointer dereference in sun8i_tcon_top_un/bind · Apr 08, 2019

 - core: Make atomic_enable and disable optional for CRTC
 - dw-hdmi: Lower max frequency for the Allwinner H6, SCDC configuration
            improvements for older controller versions
 - omap: a fix for the CEC clock management policy