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android_kernel_xiaomi_sm8450/drivers/gpu/drm/i915/gt
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Chris Wilson d39da686c2 drm/i915/gt: Ratelimit display power w/a 
For very light workloads that frequently park, acquiring the display
power well (required to prevent the dmc from trashing the system) takes
longer than the execution. A good example is the igt_coherency selftest,
which is slowed down by an order of magnitude in the worst case with
powerwell cycling. To prevent frequent cycling, while keeping our fast
soft-rc6, use a timer to delay release of the display powerwell.

Fixes: 311770173f ("drm/i915/gt: Schedule request retirement when timeline idles")
References: https://gitlab.freedesktop.org/drm/intel/issues/848
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191218093504.3477048-1-chris@chris-wilson.co.uk
(cherry picked from commit 81ff52b705)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2019-12-23 14:25:27 +02:00
..
selftests
drm/i915: Coordinate i915_active with its own mutex
2019-10-04 15:39:12 +01:00
uc
drm/i915/guc: Skip suspend/resume GuC action on platforms w/o GuC submission
2019-11-18 16:36:44 +02:00
gen6_renderstate.c
drm/i915: Move the renderstate setup under gt/
2019-07-04 11:48:22 +01:00
gen7_renderstate.c
drm/i915: Move the renderstate setup under gt/
2019-07-04 11:48:22 +01:00
gen8_renderstate.c
drm/i915: Move the renderstate setup under gt/
2019-07-04 11:48:22 +01:00
gen9_renderstate.c
drm/i915: Move the renderstate setup under gt/
2019-07-04 11:48:22 +01:00
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: Reduce nested prepare_remote_context() to a trylock
2019-11-27 10:12:19 +02:00
intel_context.h
drm/i915/gt: Split intel_ring_submission
2019-10-24 12:14:21 +01:00
intel_engine_cs.c
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +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
Merge tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm
2019-12-06 10:28:09 -08:00
intel_engine_pm.h
drm/i915: Mark up the calling context for intel_wakeref_put()
2019-11-25 15:29:17 +02:00
intel_engine_pool_types.h
drm/i915: Replace struct_mutex for batch pool serialisation
2019-08-04 14:31:18 +01:00
intel_engine_pool.c
Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
2019-11-27 17:45:48 -08:00
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
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
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
drm/i915: Rename engines to match their user interface
2019-08-07 14:30:55 +01:00
intel_engine.h
drm/i915/gt: Mark the execlists->active as the primary volatile access
2019-11-25 16:36:40 +02:00
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
drm/i915: Extract general GT interrupt handlers
2019-08-12 15:36:13 +01:00
intel_gt_pm_irq.c
drm/i915: Extract general GT interrupt handlers
2019-08-12 15:36:13 +01:00
intel_gt_pm_irq.h
drm/i915: Extract GT powermanagement interrupt handling
2019-08-12 15:36:06 +01:00
intel_gt_pm.c
drm/i915/gt: Ratelimit display power w/a
2019-12-23 14:25:27 +02:00
intel_gt_pm.h
drm/i915: Mark up the calling context for intel_wakeref_put()
2019-11-25 15:29:17 +02:00
intel_gt_requests.c
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
intel_gt_requests.h
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
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: Call intel_gt_sanitize() directly
2019-11-05 16:04:16 +02:00
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/selftests: Verify the LRC register layout between init and HW
2019-09-24 17:27:19 +01:00
intel_lrc.c
drm/i915/gt: Detect if we miss WaIdleLiteRestore
2019-12-10 12:37:53 +02:00
intel_lrc.h
drm/i915: drop lrc header page
2019-10-31 16:47:22 +00:00
intel_mocs.c
Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
2019-11-27 17:45:48 -08:00
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: Restore GT coarse power gating workaround
2019-11-18 16:36:34 +02:00
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
drm/i915: Move the renderstate setup under gt/
2019-07-04 11:48:22 +01:00
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: Mark up the calling context for intel_wakeref_put()
2019-11-25 15:29:17 +02:00
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: Split intel_ring_submission
2019-10-24 12:14:21 +01:00
intel_ring_types.h
drm/i915/gt: Split intel_ring_submission
2019-10-24 12:14:21 +01:00
intel_ring.c
drm/i915/gt: Make intel_ring_unpin() safe for concurrent pint
2019-11-26 09:50:25 +02:00
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/gt: Always track callers to intel_rps_mark_interactive()
2019-10-30 13:23:00 +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/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
intel_timeline.c
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
intel_timeline.h
drm/i915/gt: Track timeline activeness in enter/exit
2019-08-15 23:16:05 +01:00
intel_workarounds_types.h
drm/i915: Add engine name to workaround debug print
2019-07-12 09:55:30 +01:00
intel_workarounds.c
drm/i915/tgl: whitelist PS_(DEPTH|INVOCATION)_COUNT
2019-10-24 23:34:38 +01:00
intel_workarounds.h
drm/i915: Convert gt workarounds to intel_gt
2019-06-21 13:48:25 +01:00
Makefile
drm/i915: use upstream version of header tests
2019-07-30 12:11:57 +03:00
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: drop lrc header page
2019-10-31 16:47:22 +00:00
selftest_engine_cs.c
drm/i915: Rename engines to match their user interface
2019-08-07 14:30:55 +01:00
selftest_engine_heartbeat.c
drm/i915/selftests: Pretty print the i915_active
2019-10-31 14:43:14 +00:00
selftest_engine_pm.c
drm/i915: Mark up the calling context for intel_wakeref_put()
2019-11-25 15:29:17 +02:00
selftest_engine.c
drm/i915: Defer final intel_wakeref_put to process context
2019-08-08 21:28:51 +01:00
selftest_engine.h
drm/i915: Defer final intel_wakeref_put to process context
2019-08-08 21:28:51 +01:00
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: Start kthreads before stopping
2019-11-01 10:12:29 +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: Start kthreads before stopping
2019-11-01 10:12:29 +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: Remove nonpriv flags when srm/lrm
2019-10-24 23:34:38 +01:00