drm fixes for 5.5-rc6
core:
- mst Fix NO_STOP_BIT bit offset (Wayne)
fb_helper:
- fb_helper: Fix bits_per_pixel param set behavior to round up (Geert)
sun4i:
- Fix RGB_DIV clock min divider on old hardware (Chen-Yu)
amdgpu:
- Stability fix for raven
- Reduce pixel encoding to if max clock is exceeded on HDMI
to allow additional high res modes
- enable DRIVER_SYNCOBJ_TIMELINE for amdgpu
i915:
- Fix GitLab issue #446 causing GPU hangs: Do not restore invalid RS state
- Fix GitLab issue #846: Restore coarse power gating that was disabled
by initial RC66 context corruption security fixes.
- Revert f6ec9483091f ("drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms")
to avoid screen flicker
- Fix to fill in unitialized uabi_instance in virtual engine uAPI
- Add two missing W/As for ICL and EHL