Merge remote-tracking branch 'quic/dev/msm-4.14-display' into msm-4.14.c2

* quic/dev/msm-4.14-display:
  drm/msm/sde: avoid vbif and wb register dumps in secure mode
  msm/sde/rotator: fix probe defferal issue
  drm/msm/dp: avoid mst_hpd_irq process before mst session start
  drm/msm/dsi-staging: use display panel's force_clk_lane_hs instead of phy's
  drm/msm/dp: cleanup log messages in mst layer
  ARM: dts: msm: add property to limit the link clock on sm6150
  dt-bindings: drm: msm: add the link clk property information
  drm/msm/dp: implementation to limit the dp link clock frequency
  drm/msm/dp: fix mst mode switch issue
  drm/msm/dp: handle hdcp 2.2 polling in link work
  Documentation: change pinctrl configuration to optional
  drm/msm/dp: use correct bpp in validate_mode
  drm/msm/dp: change pinctrl configuration to optional
  ARM: dts: msm: add the lphw support for minidp hpd on sm6150
  Documentation: add low power hardware HPD property information
  drm/msm/dp: minidp hpd through tlmm and dp tx controller
  drm/msm/dsi-staging: clear the error bits before unmasking
  drm/msm/sde: fix race condition in vblank control interrupts
  drm/msm/dsi-staging: fix spurious irq status for TE signal
  ARM: dts: msm: add dp-dsc resource caps for sm8150 target
  Documentation: add dsc and mst node information for sm8150
  drm/msm/dsi-staging: add split DSI support with external bridge
  msm/sde/rotator: avoid dropping alpha channel fetch for rotator sspp
  drm/msm/sde: add missing documentation for merge3d blocks
  msm/sde/rotator: setup irq during first rotator commit
  drm/msm/sde: signal retire fence at ctl start timeout

Change-Id: Idee938c8b142106d0fe637b6cf7708f73c034d46
Signed-off-by: Namratha Siddappa <namratha@codeaurora.org>