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

* quic/dev/msm-4.14-display:
  drm/msm/dp: clear HDR data for each session
  drm/msm/sde: Send blank notification only when CRTC active changed
  drm/msm/sde: allow PP buffer overflow irq disable after encoder disable
  drm/msm: export symbols for drm client registration API
  drm/msm/dp: complete link training before hot plug notification
  drm/msm/sde: prevent null pointer access on disabled encoder
  drm/msm/sde: manage sde pm_qos vote through atomic counter
  drm/msm/sde: fix out of bounds memory access in sde kms
  drm/msm: avoid memory allocation when sgt is imported

Change-Id: I5d2dd5bc966875d05e717719ac62633b8106a033
Signed-off-by: Namratha Siddappa <namratha@codeaurora.org>