Merge tag 'omapdrm-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next

omapdrm changes for 4.15

* OMAP4 HDMI CEC support

* tag 'omapdrm-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  omapdrm: omapdss_hdmi_ops: add lost_hotplug op
  omapdrm: hdmi4: hook up the HDMI CEC support
  omapdrm: hdmi4_cec: add OMAP4 HDMI CEC support
  omapdrm: hdmi4: refcount hdmi_power_on/off_core
  omapdrm: hdmi4: move hdmi4_core_powerdown_disable to hdmi_power_on_core()
  omapdrm: hdmi4: prepare irq handling for HDMI CEC support
  omapdrm: hdmi4: make low-level functions available
  omapdrm: hdmi.h: extend hdmi_core_data with CEC fields
  omapdrm: encoder-tpd12s015: keep ls_oe_gpio high