- Update to 2.99.917.674_g9154dff
* Only shutdown secondary plances on CRTCs we own (boo#984747).
* Do not force migration to GPU for very large object.
* Skip wait_for_shadow when shadow is temprarily disabled.
* Avoid Recursion by testing shadow.wait.
* DRI3 is not supporteed by mesa/i915.
* Various minor fixes.

- Update to 2.99.917.666_g7b6e219:
sna: Hide compiler warnings for change in uAPI defines
sna/video: Create one XvAdapter for each sprite plane
sna/video: Prepare for multiple sprite ports
sna: Record all sprite planes reported by the kernel
compat: Another day, another ABI change for OsBlockSGIO
sna: Use physical output size from the kernel
compat: Add OsBlockSIGIO/OsReleaseSIGIO wrappers
sna: Restore TearFree operation after switching everything off
sna/dri2: Avoid chaining swaps across a mode change
sna: Display errno when SETCURSOR fails
sna: Allow disconnected outputs to retain state without EDID checks
sna: Confirm the EDID is the same after a hotplug before ignoring
sna: Don't skip migration-to-GPU for TearFree
sna: Track the minimum damage when doing CRTC-local TearFree
sna: Fix increment of modeset serial after applying CRTC