Merge tag 'drm-misc-fixes-2018-03-07' of git://anongit.freedesktop.org/drm/drm-misc...

sun4i fixes on clk, division by zero and LVDS.

* tag 'drm-misc-fixes-2018-03-07' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/sun4i: crtc: Call drm_crtc_vblank_on / drm_crtc_vblank_off
  drm/sun4i: rgb: Fix potential division by zero
  drm/sun4i: tcon: Reduce the scope of the LVDS error a bit
  drm/sun4i: Release exclusive clock lock when disabling TCON
  drm/sun4i: Fix dclk_set_phase