[Intel-gfx] [PATCH 4/4] drm/i915: Subsume intel_ctx_submit_request in to drm_i915_gem_request

[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              354/354              352/354
ILK                 -1              354/354              353/354
SNB              +1-1              401/424              401/424
IVB                                  488/488              488/488
BYT                                  278/278              278/278
HSW                                  529/529              529/529
BDW                 -1              405/405              404/405
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt_gen3_mixed_blits      PASS(2, M7M23)      NRUN(1, M23)
*PNV  igt_gen3_render_linear_blits      PASS(2, M7M23)      CRASH(1, M23)
*ILK  igt_gem_unfence_active_buffers      PASS(2, M37M26)      DMESG_WARN(1, M26)
 SNB  igt_kms_flip_flip-vs-dpms-off-vs-modeset-interruptible      NSPT(1, M35)PASS(5, M35M22)      PASS(1, M22)
*SNB  igt_gem_concurrent_blit_gtt-rcs-early-read-interruptible      PASS(6, M35M22)      DMESG_WARN(1, M22)
*BDW  igt_gem_concurrent_blit_gtt-bcs-gpu-read-after-write-interruptible      PASS(5, M30M28)      DMESG_WARN(1, M28)
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