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82e0c5bbd6
linux_dsm_epyc7002/drivers/gpu/drm/i915/gt
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Don Hiatt 82e0c5bbd6 drm/i915/guc: Skip suspend/resume GuC action on platforms w/o GuC submission 
On some platforms (e.g. KBL) that do not support GuC submission, but
the user enabled the GuC communication (e.g for HuC authentication)
calling the GuC EXIT_S_STATE action results in lose of ability to
enter RC6. We can remove the GuC suspend/resume entirely as we do
not need to save the GuC submission status.

Add intel_guc_submission_is_enabled() function to determine if
GuC submission is active.

v2: Do not suspend/resume the GuC on platforms that do not support
    Guc Submission.
v3: Fix typo, move suspend logic to remove goto.
v4: Use intel_guc_submission_is_enabled() to check GuC submission
    status.
v5: No need to look at engine to determine if submission is enabled.
    Squash fix + intel_guc_submission_is_enabled() patch into one.
v6: Move resume check into intel_guc_resume() for symmetry.
    Fix commit Fixes tag.

Reported-by: KiteStramuort <kitestramuort@autistici.org>
Reported-by: S. Zharkoff <s.zharkoff@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111594
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111623
Fixes: ffd5ce22fa ("drm/i915/guc: Updates for GuC 32.0.3 firmware")
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceralo Spurio <daniele.ceraolospurio@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Tomas Janousek <tomi@nomi.cz>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191115231538.1249-1-don.hiatt@intel.com
2019-11-16 10:06:14 +00:00
..
selftests drm/i915: make more headers self-contained 2019-11-08 10:16:13 +00:00
uc drm/i915/guc: Skip suspend/resume GuC action on platforms w/o GuC submission 2019-11-16 10:06:14 +00:00
gen6_renderstate.c
gen7_renderstate.c
gen8_renderstate.c
gen9_renderstate.c
intel_breadcrumbs.c drm/i915: Don't disable interrupts for intel_engine_breadcrumbs_irq() 2019-09-26 18:44:35 +01:00
intel_context_types.h drm/i915: Remove logical HW ID 2019-10-04 15:39:30 +01:00
intel_context.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_context.h drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_engine_cs.c drm/i915: Protect context while grabbing its name for the request 2019-11-12 10:22:41 +02:00
intel_engine_heartbeat.c drm/i915/gt: Only drop heartbeat.systole if the sole owner 2019-11-11 10:29:47 +02:00
intel_engine_heartbeat.h drm/i915/gt: Replace hangcheck by heartbeats 2019-10-23 23:52:10 +01:00
intel_engine_pm.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_engine_pm.h
intel_engine_pool_types.h
intel_engine_pool.c drm/i915: Coordinate i915_active with its own mutex 2019-10-04 15:39:12 +01:00
intel_engine_pool.h drm/i915: Mark i915_request.timeline as a volatile, rcu pointer 2019-09-20 10:24:09 +01:00
intel_engine_types.h Backmerge i915 security patches from commit 'ea0b163b13ff' into drm-next 2019-11-14 11:09:06 +10:00
intel_engine_user.c drm/i915: Make for_each_engine_masked work on intel_gt 2019-10-18 00:06:25 +01:00
intel_engine_user.h
intel_engine.h drm/i915/gt: Make timeslice duration configurable 2019-10-29 16:23:55 +00:00
intel_gpu_commands.h drm/i915/tgl: Add HDC Pipeline Flush 2019-10-15 18:15:59 +01:00
intel_gt_irq.c drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
intel_gt_irq.h
intel_gt_pm_irq.c
intel_gt_pm_irq.h
intel_gt_pm.c drm/i915/gt: Use gt locals for accessing rc6 2019-11-15 16:43:33 +00:00
intel_gt_pm.h drm/i915: Defer rc6 shutdown to suspend_late 2019-11-05 16:05:42 +02:00
intel_gt_requests.c drm/i915/gt: Flush retire.work timer object on unload 2019-11-15 16:43:33 +00:00
intel_gt_requests.h drm/i915/gt: Flush retire.work timer object on unload 2019-11-15 16:43:33 +00:00
intel_gt_types.h drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
intel_gt.c drm/i915/gt: Flush retire.work timer object on unload 2019-11-15 16:43:33 +00:00
intel_gt.h drm/i915/gt: Call intel_gt_sanitize() directly 2019-11-05 16:04:16 +02:00
intel_llc_types.h drm/i915: Extract GT ring management 2019-10-20 20:45:18 +01:00
intel_llc.c drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
intel_llc.h drm/i915: Extract GT ring management 2019-10-20 20:45:18 +01:00
intel_lrc_reg.h drm/i915/execlists: Verify context register state before execution 2019-11-02 13:39:13 +00:00
intel_lrc.c drm/i915/execlists: Move reset_active() from schedule-out to schedule-in 2019-11-13 12:26:35 +02:00
intel_lrc.h drm/i915: drop lrc header page 2019-10-31 16:47:22 +00:00
intel_mocs.c drm/i915/selftests: Add coverage of mocs registers 2019-11-14 17:38:54 +00:00
intel_mocs.h drm/i915: Do initial mocs configuration directly 2019-10-16 19:35:37 +01:00
intel_rc6_types.h drm/i915/gen8+: Add RC6 CTX corruption WA 2019-11-14 10:51:54 +10:00
intel_rc6.c drm/i915/gt: Mention which device failed 2019-11-15 21:31:58 +00:00
intel_rc6.h drm/i915/gen8+: Add RC6 CTX corruption WA 2019-11-14 10:51:54 +10:00
intel_renderstate.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_renderstate.h
intel_reset_types.h drm/i915: Define explicit wedged on init reset state 2019-09-26 18:44:35 +01:00
intel_reset.c drm/i915: Cancel context if it hangs after it is closed 2019-11-11 11:46:40 +00:00
intel_reset.h drm/i915: Don't mix srcu tag and negative error codes 2019-10-07 10:44:48 -07:00
intel_ring_submission.c drm/i915/gt: Invalidate as we write the gen7 breadcrumb 2019-11-13 16:42:10 +00:00
intel_ring_types.h drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_ring.c drm/i915: don't allocate the ring in stolen if we lack aperture 2019-10-29 10:35:47 +00:00
intel_ring.h drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
intel_rps_types.h drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
intel_rps.c drm/i915/guc: Properly capture & release GuC interrupts on Gen11+ 2019-11-14 23:04:36 +00:00
intel_rps.h drm/i915/gt: Always track callers to intel_rps_mark_interactive() 2019-10-30 13:23:00 +00:00
intel_sseu.c drm/i915: Expand subslice mask 2019-08-23 19:14:27 +01:00
intel_sseu.h drm/i915/tgl: s/ss/eu fuse reading support 2019-09-21 08:31:08 +01:00
intel_timeline_types.h drm/i915: Coordinate i915_active with its own mutex 2019-10-04 15:39:12 +01:00
intel_timeline.c drm/i915/gt: Pull timeline initialise to intel_gt_init_early 2019-11-01 14:47:36 +00:00
intel_timeline.h drm/i915/gt: Pull timeline initialise to intel_gt_init_early 2019-11-01 14:47:36 +00:00
intel_workarounds_types.h
intel_workarounds.c drm/i915/tgl: Wa_1606679103 2019-11-13 23:33:28 +00:00
intel_workarounds.h
Makefile
mock_engine.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
mock_engine.h
selftest_context.c drm/i915/selftests: Disable heartbeat around context barrier tests 2019-11-15 17:31:24 +00:00
selftest_engine_cs.c drm/i915/selftests: Perform some basic cycle counting of MI ops 2019-11-11 18:30:13 +00:00
selftest_engine_heartbeat.c drm/i915/selftests: Flush all active callbacks 2019-11-02 08:34:53 +00:00
selftest_engine_pm.c drm/i915: Pass in intel_gt at some for_each_engine sites 2019-10-18 00:06:27 +01:00
selftest_engine.c
selftest_engine.h
selftest_gt_pm.c drm/i915/selftests: Add intel_gt_suspend_prepare 2019-11-05 16:06:25 +02:00
selftest_hangcheck.c drm/i915/selftests: Complete transition to a real struct file mock 2019-11-08 10:17:41 +00:00
selftest_llc.c drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
selftest_llc.h drm/i915: Extract GT ring management 2019-10-20 20:45:18 +01:00
selftest_lrc.c drm/i915/selftests: Exercise long preemption chains 2019-11-15 16:46:18 +00:00
selftest_mocs.c drm/i915/selftests: Add coverage of mocs registers 2019-11-14 17:38:54 +00:00
selftest_reset.c drm/i915/selftests: Flush interrupts before disabling tasklets 2019-10-24 09:18:52 +01:00
selftest_timeline.c drm/i915/gt: Split intel_ring_submission 2019-10-24 12:14:21 +01:00
selftest_workarounds.c drm/i915/selftests: Complete transition to a real struct file mock 2019-11-08 10:17:41 +00:00