[Intel-gfx] [PATCH 2/2] drm/i915: Remove user pinning code

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -2              367/367              365/367
ILK                 -3              375/375              372/375
SNB                                  450/450              450/450
IVB                 -2              503/503              501/503
BYT                                  289/289              289/289
HSW                 -3              567/567              564/567
BDW                 -1              417/417              416/417
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
PNV  igt_gem_pin      PASS(2, M23)      NSPT(1, M23)
PNV  igt_gen3_mixed_blits      PASS(5, M23)      CRASH(1, M23)
ILK  igt_gem_pin      PASS(2, M37)      NSPT(1, M37)
ILK  igt_gem_reset_stats_close-pending-fork-render      TIMEOUT(6, M37M26)PASS(1, M26)      TIMEOUT(1, M37)
ILK  igt_kms_flip_vblank-vs-hang      TIMEOUT(6, M37M26)PASS(1, M26)      TIMEOUT(1, M37)
IVB  igt_gem_bad_reloc_negative-reloc      NSPT(9, M34M21M4)PASS(1, M21)      NSPT(1, M34)
IVB  igt_gem_bad_reloc_negative-reloc-lut      NSPT(3, M21M34M4)PASS(10, M21M34M4)      NSPT(1, M34)
HSW  igt_gem_bad_reloc_negative-reloc-lut      NSPT(18, M40M20M19)PASS(1, M20)      NSPT(1, M19)
HSW  igt_kms_rotation_crc_primary-rotation      PASS(18, M20M40M19)      DMESG_WARN(1, M19)
HSW  igt_pm_rc6_residency_rc6-accuracy      PASS(19, M20M40M19)      FAIL(1, M19)
BDW  igt_gem_render_linear_blits      TIMEOUT(1, M30)PASS(1, M28)      TIMEOUT(1, M30)