Log Message:
Update to 2.4.52:

Ben Widawsky (3):
      intel: squash unused variable 'bo_gem'
      intel: Handle malloc fails in context create
      intel: Merge latest i915_drm.h

Eric Anholt (2):
      drm: Initialize or valgrind-clear modesetting ioctl arguments.
      intel: Track whether a buffer is idle to avoid trips to the kernel.

Hyungwon Hwang (1):
      tests/kmstest: support exynos

Keith Packard (1):
      Mark debug_print with __attribute__ ((format(__printf__, 1, 0)))

Kenneth Graunke (2):
      intel: Create a new drm_intel_bo offset64 field.
      Bump the version to 2.4.52

Rob Clark (1):
      freedreno: add fd_device_new_dup()

Vincent ABRIOU (1):
      modetest: add the possibility to select the refresh frequency for a mode