[Intel-gfx] [PATCH] drm/i915: Make debugfs/i915_gem_request more friendly

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 6112
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -4              272/272              268/272
ILK                                  302/302              302/302
SNB                                  303/303              303/303
IVB                                  338/338              338/338
BYT                 -1              287/287              286/287
HSW                 -1              361/361              360/361
BDW                                  308/308              308/308
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt at gem_fence_thrash@bo-write-verify-threaded-none      PASS(4)      FAIL(1)PASS(1)
 PNV  igt at gem_tiled_pread_pwrite      FAIL(3)PASS(6)      FAIL(1)PASS(1)
 PNV  igt at gem_userptr_blits@coherency-sync      CRASH(4)PASS(5)      CRASH(1)PASS(1)
 PNV  igt at gen3_render_tiledx_blits      FAIL(5)PASS(3)      FAIL(2)
*BYT  igt at gem_exec_bad_domains@conflicting-write-domain      PASS(7)      FAIL(1)PASS(1)
*HSW  igt at gem_storedw_loop_vebox      PASS(2)      DMESG_WARN(1)PASS(1)
(dmesg patch applied)drm:i915_hangcheck_elapsed[i915]]*ERROR*Hangcheck_timer_elapsed...video_enhancement_ring_idle at Hangcheck timer elapsed... video enhancement ring idle
Note: You need to pay more attention to line start with '*'