[Intel-gfx] [PATCH 18/18] drm/i915: Notify GuC when RC6 state is changed

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
Task id: 6065
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                 -2              276/276              274/276
ILK                 -1              303/303              302/303
SNB                 -1              304/304              303/304
IVB                 -1              339/339              338/339
BYT                 -1              287/287              286/287
HSW                 -2              362/362              360/362
BDW                 -1              310/310              309/310
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
 PNV  igt at gem_userptr_blits@minor-normal-sync      DMESG_WARN(1)PASS(3)      DMESG_WARN(1)PASS(1)
(dmesg patch applied)WARNING:at_drivers/gpu/drm/i915/i915_gem_evict.c:#i915_gem_evict_vm[i915]()@WARNING:.* at .* i915_gem_evict_vm+0x
*PNV  igt at drv_debugfs_reader      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*ILK  igt at drv_suspend@debugfs-reader      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*SNB  igt at drv_debugfs_reader      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*IVB  igt at drv_debugfs_reader      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*BYT  igt at drv_debugfs_reader      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*HSW  igt at gem_storedw_loop_bsd      PASS(2)      DMESG_WARN(1)PASS(1)
(dmesg patch applied)drm:i915_hangcheck_elapsed[i915]]*ERROR*Hangcheck_timer_elapsed...bsd_ring_idle at Hangcheck timer elapsed... bsd ring idle
*HSW  igt at pm_rpm@debugfs-read      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)WARNING:at_drivers/gpu/drm/i915/intel_uncore.c:#assert_device_not_suspended[i915]()@WARNING:.* at .* assert_device_not_suspended+0x
drm:fw_domains_get[i915]]*ERROR*render:timed_out_waiting_for_forcewake_ack_to_clear at render: timed out waiting for forcewake ack to clear.
drm:fw_domains_get_with_thread_status[i915]]*ERROR*GT_thread_status_wait_timed_out at GT thread status wait timed out
INFO:trying_to_register_non-static_key at INFO: trying to register non-static key.
*BDW  igt at gem_userptr_blits@forked-sync-swapping-mempressure-normal      PASS(2)      DMESG_WARN(2)
(dmesg patch applied)drm:intel_uc_fw_check[i915]]*ERROR*Failed_to_fetch_GuC_firmware_from<i915/guc_gen8.bin>@Failed to fetch GuC firmware from
INFO:possible_circular_locking_dependency_detected at INFO: possible circular locking dependency detected
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