[Intel-gfx] [PATCH 20/20] drm/i915/gtt: One instance of scratch page table/directory

[shuang.he at intel.com]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 6451
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -4              272/272              268/272
ILK                                  302/302              302/302
SNB                 -1              315/315              314/315
IVB                                  343/343              343/343
BYT                                  287/287              287/287
BDW                                  317/317              317/317
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt at gem_fence_thrash@bo-write-verify-threaded-none      PASS(4)      FAIL(1)
*PNV  igt at gem_tiled_pread_pwrite      PASS(5)      FAIL(1)
 PNV  igt at gem_userptr_blits@coherency-sync      CRASH(1)PASS(5)      CRASH(1)
 PNV  igt at gem_userptr_blits@coherency-unsync      CRASH(1)PASS(4)      CRASH(1)
 SNB  igt at pm_rpm@dpms-mode-unset-non-lpsp      DMESG_WARN(10)PASS(1)      DMESG_WARN(1)
(dmesg patch applied)WARNING:at_drivers/gpu/drm/i915/intel_uncore.c:#assert_device_not_suspended[i915]()@WARNING:.* at .* assert_device_not_suspended+0x
Note: You need to pay more attention to line start with '*'