[Intel-gfx] [PATCH 2/2] drm: More specific locking for get* ioctls

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
-------------------------------------Summary-------------------------------------
Platform: baseline_drm_intel_nightly_pass_rate->patch_applied_pass_rate
BYT: pass/total=247/348->275/348
PNV: pass/total=326/328->326/328
ILK: pass/total=329/330->330/330
IVB: pass/total=544/546->544/546
SNB: pass/total=557/562->558/562
HSW: pass/total=573/578->573/578
BDW: pass/total=435/435->434/435
-------------------------------------Detailed-------------------------------------
test_platform: test_suite, test_case, result_with_drm_intel_nightly(count, machine_id...)...->result_with_patch_applied(count, machine_id)...
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-basic, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> DMESG_WARN(1, M38)PASS(3, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-capture-blt, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-capture-bsd, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-capture-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-debugfs-entry, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_error-state-sysfs-entry, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_bad_reloc_negative-reloc-lut, PASS(10, M31M29M38) -> NSPT(1, M38)PASS(3, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_ban-ctx-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_ban-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-blt, BLACKLIST(1, M31)DMESG_WARN(7, M31M36M29)PASS(11, M31M36M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-bsd, BLACKLIST(1, M31)DMESG_WARN(6, M36M29)PASS(12, M31M29M38M36) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-ctx-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-blt, BLACKLIST(1, M31)DMESG_WARN(7, M31M36M29)PASS(11, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-bsd, BLACKLIST(1, M31)DMESG_WARN(7, M31M36M29)PASS(11, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-reverse-blt, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-reverse-bsd, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-fork-reverse-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_close-pending-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_params, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_params-ctx-render, BLACKLIST(1, M31)PASS(18, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-count-blt, BLACKLIST(1, M31)DMESG_WARN(10, M31M36M29)PASS(8, M29M38M36) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-count-bsd, BLACKLIST(1, M31)DMESG_WARN(10, M31M36M29)PASS(8, M36M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-count-ctx-render, BLACKLIST(1, M31)PASS(16, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-count-render, BLACKLIST(1, M31)PASS(15, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-stats-blt, BLACKLIST(1, M31)DMESG_WARN(6, M36M29)PASS(9, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-stats-bsd, BLACKLIST(1, M31)DMESG_WARN(7, M36M29)PASS(8, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-stats-ctx-render, BLACKLIST(1, M31)PASS(15, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_reset-stats-render, BLACKLIST(1, M31)PASS(15, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_gem_reset_stats_unrelated-ctx-render, BLACKLIST(1, M31)PASS(15, M31M36M29M38) -> PASS(4, M38)
BYT: Intel_gpu_tools, igt_drv_hangman_ring-stop-sysfs-entry, BLACKLIST(1, M31)PASS(15, M31M36M29M38) -> PASS(4, M38)
ILK: Intel_gpu_tools, igt_kms_flip_flip-vs-modeset-interruptible, DMESG_WARN(2, M26)PASS(17, M37M26M6) -> PASS(4, M37)
SNB: Intel_gpu_tools, igt_kms_cursor_crc_cursor-256x256-sliding, DMESG_WARN(1, M35)PASS(12, M35M22) -> PASS(4, M22)
BDW: Intel_gpu_tools, igt_gem_reset_stats_ban-bsd, PASS(16, M42M30M28) -> DMESG_WARN(1, M42)PASS(3, M42)