Merge branch 'msm-fixes-4.9' of git://people.freedesktop.org/~robclark/linux into...

Fixes for some msm issues

* 'msm-fixes-4.9' of git://people.freedesktop.org/~robclark/linux:
  drm/msm: Fix error handling crashes seen when VRAM allocation fails
  drm/msm/mdp5: 8x16 actually has 8 mixer stages
  drm/msm/mdp5: no scaling support on RGBn pipes for 8x16
  drm/msm/mdp5: handle non-fullscreen base plane case
  drm/msm: Set CLK_IGNORE_UNUSED flag for PLL clocks
  drm/msm/dsi: Queue HPD helper work in attach/detach callbacks