[Intel-gfx] [PATCH] drm/i915: Clean the request structure on alloc

[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                                  364/364              364/364
ILK                 -4              366/366              362/366
SNB                 -1              450/450              449/450
IVB              +17                 481/498              498/498
BYT                                  289/289              289/289
HSW                 -1              564/564              563/564
BDW                                  417/417              417/417
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
 ILK  igt_kms_flip_rcs-wf_vblank-vs-dpms-interruptible      DMESG_WARN(1, M26)PASS(4, M37M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_flip-vs-panning      PASS(2, M37M26)      DMESG_WARN(1, M26)
 ILK  igt_kms_flip_plain-flip-ts-check-interruptible      DMESG_WARN(1, M26)PASS(1, M37)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_rcs-flip-vs-modeset      PASS(3, M37M26)      DMESG_WARN(1, M26)
 SNB  igt_kms_force_connector      NRUN(4, M35M22)PASS(1, M35)      NRUN(1, M35)
 IVB  igt_kms_3d      DMESG_WARN(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-128x128-onscreen      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-128x128-random      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-128x128-sliding      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-256x256-offscreen      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-256x256-onscreen      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-256x256-sliding      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-64x64-offscreen      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-64x64-onscreen      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-64x64-random      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-64x64-sliding      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_cursor_crc_cursor-size-change      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_fence_pin_leak      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_mmio_vs_cs_flip_setcrtc_vs_cs_flip      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_mmio_vs_cs_flip_setplane_vs_cs_flip      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_rotation_crc_primary-rotation      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 IVB  igt_kms_rotation_crc_sprite-rotation      NSPT(1, M34)PASS(14, M4M34M21)      PASS(1, M34)
 HSW  igt_kms_force_connector      NRUN(4, M40M19M20)PASS(1, M40)      NRUN(1, M40)
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