[Intel-gfx] [PATCH v2 2/2] drm/i915: Track nested calls to intel(_logical)_ring_{begin, advance}

[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              364/364              362/364
ILK              +1-9              364/366              356/366
SNB                 -12              448/450              436/450
IVB                 -9              497/498              488/498
BYT                 -5              289/289              284/289
HSW                 -11              563/564              552/564
BDW                 -5              417/417              412/417
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*PNV  igt_gem_ringfill_blitter      PASS(3, M23M25)      DMESG_WARN(1, M23)
*PNV  igt_gem_ringfill_blitter-interruptible      PASS(3, M23M25)      DMESG_WARN(1, M23)
*ILK  igt_gem_concurrent_blit_gpu-bcs-gpu-read-after-write-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gpu-bcs-overwrite-source      PASS(2, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gpu-bcs-overwrite-source-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gpuX-bcs-gpu-read-after-write-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gpuX-bcs-overwrite-source-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gtt-bcs-gpu-read-after-write-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_concurrent_blit_gttX-bcs-gpu-read-after-write-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_ringfill_blitter      PASS(3, M26M37)      DMESG_WARN(1, M37)
*ILK  igt_gem_ringfill_blitter-interruptible      PASS(3, M26M37)      DMESG_WARN(1, M37)
 ILK  igt_kms_flip_wf_vblank-ts-check      DMESG_WARN(3, M26)PASS(19, M26M37)      PASS(1, M37)
*SNB  igt_gem_concurrent_blit_cpu-rcs-gpu-read-after-write-interruptible      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_gpu-rcs-gpu-read-after-write-forked      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_gpu-rcs-gpu-read-after-write-interruptible      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_gpuX-rcs-gpu-read-after-write-interruptible      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_prw-rcs-gpu-read-after-write-forked      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_prw-rcs-gpu-read-after-write-interruptible      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_ring_sync_copy_sync-render-blitter-read-write      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_ring_sync_copy_sync-render-blitter-write-read      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_ring_sync_copy_sync-render-blitter-write-write      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_userptr_blits_coherency-sync      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_pm_rps_min-max-config-loaded      PASS(3, M35M22)      DMESG_WARN(1, M35)
*SNB  igt_gem_concurrent_blit_gtt-rcs-gpu-read-after-write-interruptible      PASS(3, M35M22)      DMESG_WARN(1, M35)
*IVB  igt_gem_linear_blits_interruptible      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_linear_blits_normal      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_render_linear_blits      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_render_tiled_blits      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_tiled_blits_interruptible      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_tiled_blits_normal      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_tiled_fence_blits      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_ringfill_blitter      PASS(3, M4M34)      DMESG_WARN(1, M4)
*IVB  igt_gem_ringfill_blitter-interruptible      PASS(3, M4M34)      DMESG_WARN(1, M4)
*BYT  igt_gem_gtt_hog      PASS(3, M48M51)      DMESG_WARN(1, M48)
*BYT  igt_gem_ringfill_blitter      PASS(3, M48M51)      DMESG_WARN(1, M48)
*BYT  igt_gem_ringfill_blitter-interruptible      PASS(3, M48M51)      DMESG_WARN(1, M48)
*BYT  igt_gem_ringfill_render      PASS(3, M48M51)      DMESG_WARN(1, M48)
*BYT  igt_gem_ringfill_render-interruptible      PASS(3, M48M51)      DMESG_WARN(1, M48)
*HSW  igt_gem_linear_blits_interruptible      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_linear_blits_normal      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_render_linear_blits      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_render_tiled_blits      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_tiled_blits_interruptible      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_tiled_blits_normal      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_tiled_fence_blits      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_userptr_blits_coherency-unsync      PASS(2, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_pm_rps_min-max-config-loaded      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_ringfill_blitter      PASS(3, M40M20)      DMESG_WARN(1, M20)
*HSW  igt_gem_ringfill_blitter-interruptible      PASS(3, M40M20)      DMESG_WARN(1, M20)
*BDW  igt_gem_gtt_hog      PASS(3, M30M28)      DMESG_WARN(1, M30)
*BDW  igt_gem_ringfill_blitter      PASS(3, M30M28)      DMESG_WARN(1, M30)
*BDW  igt_gem_ringfill_blitter-interruptible      PASS(3, M30M28)      DMESG_WARN(1, M30)
*BDW  igt_gem_ringfill_render      PASS(3, M30M28)      DMESG_WARN(1, M30)
*BDW  igt_gem_ringfill_render-interruptible      PASS(3, M30M28)      DMESG_WARN(1, M30)
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