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64f09f00ca
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Chris Wilson 64f09f00ca drm/i915: Clear lost context-switch interrupts across reset 
During a global reset, we disable the irq. As we disable the irq, the
hardware may be raising a GT interrupt that we then ignore, leaving it
pending in the GTIIR. After the reset, we then re-enable the irq,
triggering the pending interrupt. However, that interrupt was for the
stale state from before the reset, and the contents of the CSB buffer
are now invalid.

v2: Add a comment to make it clear that the double clear is purely my
paranoia.

Reported-by: "Dong, Chuanxiao" <chuanxiao.dong@intel.com>
Fixes: 821ed7df6e ("drm/i915: Update reset path to fix incomplete requests")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Dong, Chuanxiao" <chuanxiao.dong@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170807121919.30165-1-chris@chris-wilson.co.uk
Link: https://patchwork.freedesktop.org/patch/msgid/20170818090509.5363-1-chris@chris-wilson.co.uk
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
2017-08-18 22:42:13 +01:00
..
gvt drm/i915/hsw+: Add support for multiple power well regs 2017-08-15 15:28:10 +03:00
selftests drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
dvo_ch7xxx.c drm/i915/dvo: fix debug logging on unknown DID 2017-06-01 15:53:03 +03:00
dvo_ch7017.c drm/i915/lvds: Remove magic from PLL programming 2017-05-10 13:47:55 +03:00
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Redefine ptr_pack_bits() and friends 2017-05-17 13:38:04 +01:00
i915_debugfs.c drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_drv.c drm/i915: Add support for drm syncobjs 2017-08-15 16:46:57 +01:00
i915_drv.h drm/i915: Update DRIVER_DATE to 20170818 2017-08-18 22:40:45 +02:00
i915_gem_batch_pool.c drm/i915: Reinstate reservation_object zapping for batch_pool objects 2017-06-14 14:06:22 +01:00
i915_gem_batch_pool.h
i915_gem_clflush.c drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00
i915_gem_clflush.h drm/i915: Force CPU synchronisation even if userspace requests ASYNC 2017-07-27 09:39:00 +02:00
i915_gem_context.c drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_gem_context.h drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_gem_dmabuf.c drm/i915: Implement dma_buf_ops->kmap 2017-05-03 23:15:02 +01:00
i915_gem_evict.c drm/i915: Convert execbuf to use struct-of-array packing for critical fields 2017-08-18 11:57:36 +01:00
i915_gem_execbuffer.c drm/i915: Trivial grammar fix s/opt of/opt out of/ in comment 2017-08-18 11:59:28 +01:00
i915_gem_fence_reg.c
i915_gem_fence_reg.h
i915_gem_gtt.c drm/i915/cnl: Setup PAT Index. 2017-08-15 16:57:24 -07:00
i915_gem_gtt.h drm/i915: pass the vma to insert_entries 2017-06-22 16:48:50 +01:00
i915_gem_internal.c drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00
i915_gem_object.c drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00
i915_gem_object.h drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_gem_render_state.c drm/i915: Perform an invalidate prior to executing golden renderstate 2017-08-08 14:53:50 +01:00
i915_gem_render_state.h
i915_gem_request.c drm/i915: Mark the GT as busy before idling the previous request 2017-08-18 12:01:41 +01:00
i915_gem_request.h Merge tag 'drm-intel-next-2017-07-17' of git://anongit.freedesktop.org/git/drm-intel into drm-next 2017-07-20 11:31:43 +10:00
i915_gem_shrinker.c drm/i915/shrinker: Wrap need_resched() inside preempt-disable 2017-08-04 13:11:39 +01:00
i915_gem_stolen.c drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00
i915_gem_tiling.c drm/i915: Fix logical inversion for gen4 quirking 2017-06-07 16:31:34 +03:00
i915_gem_timeline.c
i915_gem_timeline.h
i915_gem_userptr.c drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00
i915_gem.c drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_gem.h
i915_gpu_error.c drm/i915: Make i915_gem_context_mark_guilty() safe for unlocked updates 2017-07-27 09:38:47 +02:00
i915_guc_reg.h
i915_guc_submission.c drm/i915: Differentiate between sw write location into ring and last hw read 2017-06-19 10:52:34 +03:00
i915_ioc32.c
i915_irq.c drm/i915: More surgically unbreak the modeset vs reset deadlock 2017-08-14 17:03:36 +02:00
i915_memcpy.c
i915_mm.c
i915_oa_bdw.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_bdw.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_bxt.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_bxt.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_chv.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_chv.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_glk.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_glk.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_hsw.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_hsw.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_kblgt2.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_kblgt2.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_kblgt3.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_kblgt3.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt2.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_sklgt2.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt3.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_sklgt3.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt4.c drm/i915/perf: leave GDT_CHICKEN_BITS programming in configs 2017-08-03 18:18:44 +01:00
i915_oa_sklgt4.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_params.c drm/i915/opregion: let user specify override VBT via firmware load 2017-08-17 16:34:54 +03:00
i915_params.h drm/i915/opregion: let user specify override VBT via firmware load 2017-08-17 16:34:54 +03:00
i915_pci.c drm/i915: Disable per-engine reset for Broxton 2017-07-27 09:38:48 +02:00
i915_perf.c drm/i915/perf: Drop redundant check for perf.initialised on reset 2017-08-10 21:43:11 +01:00
i915_pvinfo.h drm/i915: Enable guest i915 full ppgtt functionality 2017-08-15 10:12:48 +08:00
i915_reg.h drm/i915/cnl: Setup PAT Index. 2017-08-15 16:57:24 -07:00
i915_selftest.h drm/i915: Don't use MI_STORE_DWORD_IMM on Sandybridge/vcs 2017-08-18 11:55:02 +01:00
i915_suspend.c
i915_sw_fence.c main drm pull for v4.13 2017-07-09 18:48:37 -07:00
i915_sw_fence.h main drm pull for v4.13 2017-07-09 18:48:37 -07:00
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915: add const to bin_attribute 2017-08-03 12:20:09 +02:00
i915_trace_points.c
i915_trace.h drm/i915: Add g4x watermark tracepoint 2017-05-10 16:48:32 +03:00
i915_utils.h drm/i915: Store a direct lookup from object handle to vma 2017-06-16 16:54:04 +01:00
i915_vgpu.c drm/i915: Enable guest i915 full ppgtt functionality 2017-08-15 10:12:48 +08:00
i915_vgpu.h drm/i915: Enable guest i915 full ppgtt functionality 2017-08-15 10:12:48 +08:00
i915_vma.c drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
i915_vma.h drm/i915: Replace execbuf vma ht with an idr 2017-08-18 11:59:02 +01:00
intel_acpi.c ACPI: Switch to use generic guid_t in acpi_evaluate_dsm() 2017-06-07 12:20:49 +02:00
intel_atomic_plane.c drm/i915/skl+: Check for supported plane configuration in Interlace mode 2017-07-04 16:52:30 +03:00
intel_atomic.c drm/i915/cnl: Fix Cannonlake scaler mode programing. 2017-06-12 09:45:55 -07:00
intel_audio.c
intel_bios.c drm/i915/vbt: ignore extraneous child devices for a port 2017-08-16 17:40:37 +03:00
intel_bios.h
intel_breadcrumbs.c drm/i915: Skip adding the request to the signal tree is complete 2017-06-08 12:33:08 +01:00
intel_cdclk.c drm/i915: reintroduce VLV/CHV PFI programming power domain workaround 2017-07-03 16:12:44 +03:00
intel_color.c drm/i915: Fix out-of-bounds array access in bdw_load_gamma_lut 2017-08-02 15:06:13 +02:00
intel_crt.c drm: Nuke drm_atomic_helper_connector_dpms 2017-08-08 14:48:48 +02:00
intel_csr.c drm/i915: Use HAS_CSR instead of gen number on DMC load. 2017-06-12 09:45:30 -07:00
intel_ddi.c drm/i915: Return correct EDP voltage swing table for 0.85V 2017-08-11 11:36:38 -07:00
intel_device_info.c drm/i915: Use HAS_PCH_CPT() everywhere 2017-06-22 19:08:34 +03:00
intel_display.c drm/i915/cnl: Reuse skl_wm_get_hw_state on Cannonlake. 2017-08-16 07:43:12 -07:00
intel_dp_aux_backlight.c Revert "drm/i915: Add heuristic to determine better way to adjust brightness" 2017-07-21 09:32:48 +03:00
intel_dp_link_training.c drm/i915: Explicit the connector name for DP link training result 2017-07-19 08:32:42 +02:00
intel_dp_mst.c drm/i915: Avoid null dereference if mst_port is unset. 2017-08-10 13:59:26 -07:00
intel_dp.c drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_dpio_phy.c
intel_dpll_mgr.c drm/i915/cnl: Dump the right pll registers when dumping pipe config. 2017-08-11 11:41:45 -07:00
intel_dpll_mgr.h drm/i915/cnl: Initialize PLLs 2017-06-12 09:42:18 -07:00
intel_drv.h drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_dsi_dcs_backlight.c drm/i915: Initialize 'data' in intel_dsi_dcs_backlight.c 2017-08-15 10:48:21 +03:00
intel_dsi_pll.c
intel_dsi_vbt.c drm/i915/bxt: use NULL for GPIO connection ID 2017-08-18 15:57:51 +03:00
intel_dsi.c drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_dsi.h
intel_dvo.c drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_engine_cs.c drm/i915: Move idle checks before intel_engine_init_global_seqno() 2017-07-27 09:38:46 +02:00
intel_fbc.c drm/i915/fbc: only update no_fbc_reason when active 2017-08-11 16:57:18 +02:00
intel_fbdev.c Merge airlied/drm-next into drm-intel-next-queued 2017-08-10 18:12:01 +02:00
intel_fifo_underrun.c drm/i915: Consistently use enum pipe for PCH transcoders 2017-07-18 08:39:03 +02:00
intel_frontbuffer.c
intel_frontbuffer.h
intel_guc_ct.c drm/i915/guc: Introduce buffer based cmd transport 2017-05-26 13:26:53 +01:00
intel_guc_ct.h drm/i915/guc: Introduce buffer based cmd transport 2017-05-26 13:26:53 +01:00
intel_guc_fwif.h drm/i915/guc: Introduce buffer based cmd transport 2017-05-26 13:26:53 +01:00
intel_guc_loader.c drm/i915/guc: Load GuC on Coffee Lake 2017-06-09 11:56:53 -07:00
intel_guc_log.c
intel_gvt.c drm/i915/gvt: Return -EIO if host GuC submission is enabled when loading GVT-g 2017-05-30 16:00:07 +03:00
intel_gvt.h drm/i915/gvt: Add gvt options sanitize function 2017-05-30 15:59:47 +03:00
intel_hangcheck.c drm/i915: Check execlist/ring status during hangcheck 2017-07-27 09:38:45 +02:00
intel_hdmi.c drm/i915: Split pin mapping into per platform functions 2017-08-17 18:01:39 -03:00
intel_hotplug.c drm/i915: Introduce intel_hpd_pin function. 2017-08-11 11:53:47 -07:00
intel_huc.c drm/i915/huc: Load HuC on Coffee Lake 2017-06-09 11:57:16 -07:00
intel_i2c.c drm/i915: Rework sdvo proxy i2c locking 2017-07-27 10:05:48 +02:00
intel_lpe_audio.c drm/i915: Stop pretending to mask/unmask LPE audio interrupts 2017-05-26 11:51:18 +03:00
intel_lrc.c drm/i915: Clear lost context-switch interrupts across reset 2017-08-18 22:42:13 +01:00
intel_lrc.h drm/i915: remove unused function declaration 2017-08-07 18:29:26 +01:00
intel_lspcon.c drm/i915/cnl: Fix LSPCON support. 2017-08-16 07:42:00 -07:00
intel_lvds.c drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_mocs.c drm/i915/cnl: Cannonlake has same MOCS table than Skylake. 2017-06-07 07:29:51 -07:00
intel_mocs.h
intel_modes.c
intel_opregion.c drm/i915/opregion: let user specify override VBT via firmware load 2017-08-17 16:34:54 +03:00
intel_overlay.c drm/i915: More surgically unbreak the modeset vs reset deadlock 2017-08-14 17:03:36 +02:00
intel_panel.c drm/i915/edp: Allow alternate fixed mode for eDP if available. 2017-08-15 16:43:33 -07:00
intel_pipe_crc.c drm/i915: use memdup_user_nul 2017-05-08 09:28:39 +02:00
intel_pm.c drm/i915/gen10: implement gen 10 watermarks calculations 2017-08-16 07:42:36 -07:00
intel_psr.c drm/i915/psr: Preserve SRD_CTL bit 29 on PSR init 2017-08-09 10:48:36 -07:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c drm/i915/gen9: Send all components in VF state 2017-08-14 12:15:49 +03:00
intel_renderstate.h
intel_ringbuffer.c drm/i915: Enforce that CS packets are qword aligned 2017-07-27 09:38:57 +02:00
intel_ringbuffer.h drm/i915: Don't use MI_STORE_DWORD_IMM on Sandybridge/vcs 2017-08-18 11:55:02 +01:00
intel_runtime_pm.c drm/i915/hsw+: Add support for multiple power well regs 2017-08-15 15:28:10 +03:00
intel_sdvo_regs.h
intel_sdvo.c Merge airlied/drm-next into drm-intel-next-queued 2017-08-10 18:12:01 +02:00
intel_sideband.c
intel_sprite.c drm/i915: make structure intel_sprite_plane_funcs static 2017-08-11 18:06:19 +02:00
intel_tv.c drm: Nuke drm_atomic_helper_connector_dpms 2017-08-08 14:48:48 +02:00
intel_uc.c drm/i915/guc: Rename GuC irq trigger function 2017-08-12 18:56:47 +01:00
intel_uc.h Linux 4.12-rc5 2017-06-16 13:58:27 +10:00
intel_uncore.c drm/i915: Stop touching forcewake following a gen6+ engine reset 2017-08-18 10:05:59 +01:00
intel_uncore.h drm/i915: Keep the forcewake timer alive for 1ms past the most recent use 2017-05-26 15:58:21 +01:00
intel_vbt_defs.h
Kconfig drm/i915: select CRC32 2017-06-21 11:13:27 +02:00
Kconfig.debug drm/i915: Add SW_SYNC to our recommend testing Kconfig 2017-08-12 10:30:42 +01:00
Makefile drm/i915: Split obj->cache_coherent to track r/w 2017-08-15 15:46:57 +01:00