Log Message:
Updated libdrm to 2.4.73.

2.4.73

Emil Velikov (3):
      headers: Add README file
      xd86drm: read more than 128 bytes of uevent in drmParsePciBusInfo
      Bump version for release

2.4.72

Alex Deucher (1):
     amdgpu: check parameters in amdgpu_query_gpu_info

Chris Wilson (3):
     intel: Export raw GEM mmap interfaces
     intel: Migrate handle/name lookups from linear lists to hashtables
     intel: Look prime handle up in handle hash table

Eric Anholt (1):
     Silence runtime complaints on platform devices

Junwei Zhang (1):
     amdgpu: add the function to get the marketing name (v4)

Matt Turner (4):
     intel: Add uthash.h to Makefile.sources.
     amdgpu: Add amdgpu_asic_id.h to Makefile.sources.
     freedreno: Add fd_ringbuffer_flush2 to symbol check.
     Bump version for release

Michel Dänzer (3):
     headers: Sync drm{,_mode}.h with the kernel
     Add drmModePageFlipTarget
     intel: Add new symbols to intel-symbol-check

Neil Roberts (1):
     intel: Allow some codenames in INTEL_DEVID_OVERRIDE

Rob Clark (3):
     add libsync.h helper
     freedreno: sync uapi header
     freedreno: add fence fd support

Rob Herring (1):
     Return an -ENODEV from drmGetDevice() when no device was found.