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f8db4d051b
linux_dsm_epyc7002/drivers/gpu/drm/i915
History
Chris Wilson f8db4d051b drm/i915: Initialise breadcrumb lists on the virtual engine 
With deferring the breadcrumb signalling to the virtual engine (thanks
preempt-to-busy) we need to make sure the lists and irq-worker are ready
to send a signal.

[41958.710544] BUG: kernel NULL pointer dereference, address: 0000000000000000
[41958.710553] #PF: supervisor write access in kernel mode
[41958.710556] #PF: error_code(0x0002) - not-present page
[41958.710558] PGD 0 P4D 0
[41958.710562] Oops: 0002 [#1] SMP
[41958.710565] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G     U            5.3.0+ #207
[41958.710568] Hardware name: Intel Corporation NUC7i5BNK/NUC7i5BNB, BIOS BNKBL357.86A.0052.2017.0918.1346 09/18/2017
[41958.710602] RIP: 0010:i915_request_enable_breadcrumb+0xe1/0x130 [i915]
[41958.710605] Code: 8b 44 24 30 48 89 41 08 48 89 08 48 8b 85 98 01 00 00 48 8d 8d 90 01 00 00 48 89 95 98 01 00 00 49 89 4c 24 28 49 89 44 24 30 <48> 89 10 f0 80 4b 30 10 c6 85 88 01 00 00 00 e9 1a ff ff ff 48 83
[41958.710609] RSP: 0018:ffffc90000003de0 EFLAGS: 00010046
[41958.710612] RAX: 0000000000000000 RBX: ffff888735424480 RCX: ffff8887cddb2190
[41958.710614] RDX: ffff8887cddb3570 RSI: ffff888850362190 RDI: ffff8887cddb2188
[41958.710617] RBP: ffff8887cddb2000 R08: ffff8888503624a8 R09: 0000000000000100
[41958.710619] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8887cddb3548
[41958.710622] R13: 0000000000000000 R14: 0000000000000046 R15: ffff888850362070
[41958.710625] FS:  0000000000000000(0000) GS:ffff88885ea00000(0000) knlGS:0000000000000000
[41958.710628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[41958.710630] CR2: 0000000000000000 CR3: 0000000002c09002 CR4: 00000000001606f0
[41958.710633] Call Trace:
[41958.710636]  <IRQ>
[41958.710668]  __i915_request_submit+0x12b/0x160 [i915]
[41958.710693]  virtual_submit_request+0x67/0x120 [i915]
[41958.710720]  __unwind_incomplete_requests+0x131/0x170 [i915]
[41958.710744]  execlists_dequeue+0xb40/0xe00 [i915]
[41958.710771]  execlists_submission_tasklet+0x10f/0x150 [i915]
[41958.710776]  tasklet_action_common.isra.17+0x41/0xa0
[41958.710781]  __do_softirq+0xc8/0x221
[41958.710785]  irq_exit+0xa6/0xb0
[41958.710788]  smp_apic_timer_interrupt+0x4d/0x80
[41958.710791]  apic_timer_interrupt+0xf/0x20
[41958.710794]  </IRQ>

Fixes: cb2377a919 ("drm/i915: Fixup preempt-to-busy vs reset of a virtual request")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191001103518.9113-1-chris@chris-wilson.co.uk
2019-10-01 11:46:52 +01:00
..
display drm/i915: Pass intel_gt to has-reset? 2019-09-27 23:25:14 +01:00
gem drm/i915/selftests: Exercise context switching in parallel 2019-09-30 17:38:05 +01:00
gt drm/i915: Initialise breadcrumb lists on the virtual engine 2019-10-01 11:46:52 +01:00
gvt drm/i915/psr: Make PSR registers relative to transcoders 2019-08-22 13:09:06 -07:00
oa drm/i915/perf: Refactor oa object to better manage resources 2019-08-07 20:34:39 +01:00
selftests drm/i915/selftests: Distinguish mock device from no wakeref 2019-09-27 23:25:30 +01:00
i915_active_types.h drm/i915: Markup expected timeline locks for i915_active 2019-08-16 18:02:07 +01:00
i915_active.c drm/i915: Mark i915_request.timeline as a volatile, rcu pointer 2019-09-20 10:24:09 +01:00
i915_active.h drm/i915: Mark i915_request.timeline as a volatile, rcu pointer 2019-09-20 10:24:09 +01:00
i915_buddy.c drm/i915/buddy: add missing call to i915_global_register 2019-09-09 10:58:20 +01:00
i915_buddy.h drm/i915: buddy allocator 2019-08-10 19:47:40 +01:00
i915_cmd_parser.c drm/i915: extract i915_memcpy.h from i915_drv.h 2019-08-09 12:03:25 +03:00
i915_debugfs.c drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00
i915_debugfs.h
i915_drv.c drm/i915: simplify i915_gem_init_early 2019-09-27 20:08:57 +01:00
i915_drv.h drm/i915: simplify i915_gem_init_early 2019-09-27 20:08:57 +01:00
i915_fixed.h
i915_gem_evict.c drm/i915: cleanup cache-coloring 2019-09-09 21:00:20 +01:00
i915_gem_fence_reg.c drm/i915: Replace i915_vma_put_fence() 2019-08-22 08:53:42 +01:00
i915_gem_fence_reg.h drm/i915: Track ggtt fence reservations under its own mutex 2019-08-22 08:53:40 +01:00
i915_gem_gtt.c drm/i915/gtt: Make sure the gen6 ppgtt is bound before first use 2019-09-13 08:25:04 +01:00
i915_gem_gtt.h drm/i915/gtt: Make sure the gen6 ppgtt is bound before first use 2019-09-13 08:25:04 +01:00
i915_gem.c drm/i915: simplify i915_gem_init_early 2019-09-27 20:08:57 +01:00
i915_gem.h drm/i915: avoid including intel_drv.h via i915_drv.h->i915_trace.h 2019-08-07 12:43:14 +03:00
i915_getparam.c drm/i915: Pass intel_gt to has-reset? 2019-09-27 23:25:14 +01:00
i915_globals.c drm/i915: buddy allocator 2019-08-10 19:47:40 +01:00
i915_globals.h drm/i915: buddy allocator 2019-08-10 19:47:40 +01:00
i915_gpu_error.c drm/i915: include GTT page-size info in error state 2019-09-09 22:48:54 +01:00
i915_gpu_error.h drm/i915: include GTT page-size info in error state 2019-09-09 22:48:54 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Unify ICP and MCC hotplug pin tables 2019-09-19 08:20:27 -07:00
i915_irq.h drm/i915: Extract general GT interrupt handlers 2019-08-12 15:36:13 +01:00
i915_memcpy.c drm/i915: extract i915_memcpy.h from i915_drv.h 2019-08-09 12:03:25 +03:00
i915_memcpy.h drm/i915: extract i915_memcpy.h from i915_drv.h 2019-08-09 12:03:25 +03:00
i915_mm.c drm/i915: Drop expectations of VM_IO from our GGTT mmappings 2019-08-07 12:06:07 +01:00
i915_params.c Revert "drm/i915: Update description of i915.enable_guc modparam" 2019-07-19 15:36:21 +01:00
i915_params.h Revert "drm/i915/guc: Turn on GuC/HuC auto mode" 2019-07-19 15:35:58 +01:00
i915_pci.c drm/i915/tgl: Swap engines for no rps (gpu reclocking) 2019-09-24 20:46:45 +01:00
i915_perf.c drm/i915/selftests: Verify the LRC register layout between init and HW 2019-09-24 17:27:19 +01:00
i915_perf.h drm/i915/selftests: Verify the LRC register layout between init and HW 2019-09-24 17:27:19 +01:00
i915_pmu.c drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00
i915_pmu.h drm/i915/pmu: Use GT parked for estimating RC6 while asleep 2019-09-12 17:02:50 +01:00
i915_priolist_types.h drm/i915: Push the wakeref->count deferral to the backend 2019-08-13 21:09:49 +01:00
i915_pvinfo.h
i915_query.c drm/i915: Add EU stride runtime parameter 2019-08-23 19:14:22 +01:00
i915_query.h
i915_reg.h drm/i915/tgl: Add dkl phy programming sequences 2019-09-27 10:40:18 -07:00
i915_request.c drm/i915: Only enqueue already completed requests 2019-09-23 16:21:37 +01:00
i915_request.h drm/i915: Only enqueue already completed requests 2019-09-23 16:21:37 +01:00
i915_scatterlist.c
i915_scatterlist.h drm/i915: s/for_each_sgt_dma/for_each_sgt_daddr/ 2019-08-29 21:59:16 +01:00
i915_scheduler_types.h
i915_scheduler.c drm/i915: Push the wakeref->count deferral to the backend 2019-08-13 21:09:49 +01:00
i915_scheduler.h
i915_selftest.h drm/i915: make i915_selftest.h self-contained 2019-07-30 13:41:35 -07:00
i915_suspend.c drm/i915: extract i915_suspend.h from i915_drv.h 2019-08-09 12:03:05 +03:00
i915_suspend.h drm/i915: extract i915_suspend.h from i915_drv.h 2019-08-09 12:03:05 +03:00
i915_sw_fence_work.c drm/i915: Generalise the clflush dma-worker 2019-08-22 08:27:44 +01:00
i915_sw_fence_work.h drm/i915: Generalise the clflush dma-worker 2019-08-22 08:27:44 +01:00
i915_sw_fence.c Merge drm/drm-next into drm-intel-next-queued 2019-08-22 00:10:36 -07:00
i915_sw_fence.h Merge drm/drm-next into drm-intel-next-queued 2019-08-22 00:10:36 -07:00
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00
i915_sysfs.h drm/i915: extract i915_sysfs.h from i915_drv.h 2019-08-09 11:52:09 +03:00
i915_trace_points.c
i915_trace.h drm/i915: rename intel_drv.h to display/intel_display_types.h 2019-08-07 12:43:50 +03:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: move printing and load error inject to i915_utils.[ch] 2019-08-09 11:51:58 +03:00
i915_utils.h drm/i915/execlists: Lift process_csb() out of the irq-off spinlock 2019-08-16 20:59:02 +01:00
i915_vgpu.c drm/i915: to make vgpu ppgtt notificaiton as atomic operation 2019-08-24 12:12:34 +01:00
i915_vgpu.h
i915_vma.c drm/i915: Mark i915_request.timeline as a volatile, rcu pointer 2019-09-20 10:24:09 +01:00
i915_vma.h drm/i915: Make i915_vma.flags atomic_t for mutex reduction 2019-09-11 13:39:42 +01:00
intel_csr.c drm/i915/dmc: Update ICL DMC version to v1.09 2019-09-27 10:20:39 -07:00
intel_csr.h
intel_device_info.c drm/i915/tgl: s/ss/eu fuse reading support 2019-09-21 08:31:08 +01:00
intel_device_info.h drm/i915/dsb: feature flag added for display state buffer. 2019-09-23 09:37:54 +03:00
intel_gvt.c drm/i915: Add i915 to i915_inject_probe_failure 2019-08-02 21:14:29 +01:00
intel_gvt.h
intel_pch.c drm/i915/cml: Add second PCH ID for CMP 2019-09-18 11:00:40 +01:00
intel_pch.h drm/i915/cml: Add second PCH ID for CMP 2019-09-18 11:00:40 +01:00
intel_pm.c drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00
intel_pm.h drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00
intel_runtime_pm.c drm/i915: avoid including intel_drv.h via i915_drv.h->i915_trace.h 2019-08-07 12:43:14 +03:00
intel_runtime_pm.h Merge drm/drm-next into drm-intel-next-queued 2019-07-29 08:51:48 -07:00
intel_sideband.c drm/i915: remove unnecessary includes of intel_display_types.h header 2019-08-07 12:43:55 +03:00
intel_sideband.h
intel_uncore.c drm/i915/tgl: Introduce gen12 forcewake ranges 2019-09-13 20:07:36 +01:00
intel_uncore.h drm/i915: Only apply a rmw mmio update if the value changes 2019-09-17 15:25:40 +01:00
intel_wakeref.c drm/i915: Push the wakeref->count deferral to the backend 2019-08-13 21:09:49 +01:00
intel_wakeref.h drm/i915: Push the wakeref->count deferral to the backend 2019-08-13 21:09:49 +01:00
intel_wopcm.c drm/i915/wopcm: Fix SPDX tag location 2019-08-16 16:50:03 +01:00
intel_wopcm.h drm/i915/wopcm: Don't fail on WOPCM partitioning failure 2019-08-02 21:14:32 +01:00
Kconfig
Kconfig.debug drm/i915: use upstream version of header tests 2019-07-30 12:11:57 +03:00
Kconfig.profile
Makefile drm/i915: Extract GT render sleep (rc6) management 2019-09-27 13:01:57 +01:00