[Intel-gfx] Various fixes and updates to igt/pm_rps

[jeff.mcgee at intel.com]

From: Jeff McGee <jeff.mcgee at intel.com>

Jeff McGee (4):
  pm_rps: Use unbuffered I/O on sysfs files
  pm_rps: Assert that valid sysfs writes return success
  pm_rps: Fix test to target original min and max
  pm_rps: Use igt exit handler for restore

 tests/pm_rps.c | 85 +++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 49 insertions(+), 36 deletions(-)

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1.8.5.2