drm-misc-next-fixes-2019-05-15

Sean Paul

@seanpaul

2b117451 · drm/msm: Upgrade gxpd checks to IS_ERR_OR_NULL · May 15, 2019

- A couple new panfrost fixes
- Fix the low refresh rate register in adv7511
- A handful of msm fixes that fell out of 5.1 bringup on SDM845
- Fix spinlock initialization in pl111