AuxXxilium/linux_dsm_epyc7002
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e3f3a0f269
linux_dsm_epyc7002/drivers/gpu/drm/i915/gt
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Chris Wilson e3f3a0f269 drm/i915/gt: Defer breadcrumb processing to after the irq handler 
The design of our interrupt handlers is that we ack the receipt of the
interrupt first, inside the critical section where the master interrupt
control is off and other cpus cannot start processing the next
interrupt; and then process the interrupt events afterwards. However,
Icelake introduced a whole new set of banked GT_IIR that are inherently
serialised and slow to retrieve the IIR and must be processed within the
critical section. We can still push our breadcrumbs out of this critical
section by using our irq_worker. On bdw+, this should not make too much
of a difference as we only slightly defer the breadcrumbs, but on icl+
this should make a big difference to our throughput of interrupts from
concurrently executing engines.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191127115813.3345823-1-chris@chris-wilson.co.uk
2019-11-27 17:02:14 +00:00
..
selftests drm/i915: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +00:00
uc drm/i915: Mark intel_wakeref_get() as a sleeper 2019-11-21 13:22:04 +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: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +00:00
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 13:17:18 +00:00
intel_engine_heartbeat.c drm/i915: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
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: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +00:00
intel_engine_pm.h drm/i915: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
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 drm/i915: make pool objects read-only 2019-11-19 16:46:58 +00:00
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 13:17:18 +00:00
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 09:45:37 +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/gt: Defer breadcrumb processing to after the irq handler 2019-11-27 17:02:14 +00:00
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: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
intel_gt_pm.h drm/i915: Mark intel_wakeref_get() as a sleeper 2019-11-21 13:22:04 +00:00
intel_gt_requests.c drm/i915/gt: Schedule request retirement when timeline idles 2019-11-25 13:17:18 +00:00
intel_gt_requests.h drm/i915/gt: Schedule request retirement when timeline idles 2019-11-25 13:17:18 +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: Only wait for register chipset flush if active 2019-11-19 10:11:29 +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/gt: Schedule request retirement when timeline idles 2019-11-25 13:17:18 +00:00
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/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
intel_rc6.c drm/i915/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
intel_rc6.h drm/i915/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
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/gt: Declare timeline.lock to be irq-free 2019-11-20 17:12:11 +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/gt: Make intel_ring_unpin() safe for concurrent pint 2019-11-19 15:12:46 +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/gt: Schedule request retirement when timeline idles 2019-11-25 13:17:18 +00:00
intel_timeline.c drm/i915: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +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: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +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: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
selftest_engine_cs.c drm/i915: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +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: Mark up the calling context for intel_wakeref_put() 2019-11-20 15:59:23 +00:00
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/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
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: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
selftest_mocs.c drm/i915: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
selftest_rc6.c drm/i915/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +00:00
selftest_rc6.h drm/i915/gt: Manual rc6 entry upon parking 2019-11-27 12:53:27 +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: Serialise with engine-pm around requests on the kernel_context 2019-11-25 13:17:18 +00:00
selftest_workarounds.c drm/i915/selftests: Complete transition to a real struct file mock 2019-11-08 10:17:41 +00:00