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107783d00a
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Chris Wilson 107783d00a drm/i915: Taint (TAINT_WARN) the kernel if the GPU reset fails 
History tells us that if we cannot reset the GPU now, we never will. This
then impacts everything that is run subsequently. On failing the reset,
we mark the driver as wedged, trying to prevent further execution on the
GPU, forcing userspace to fallback to using the CPU to update its
framebuffers and let the user know what happened.

We also want to go one step further and add a taint to the kernel so that
any subsequent faults can be traced back to this failure. This is
useful for CI, where if the GPU/driver fails we want to reboot and
restart testing rather than continue on into oblivion. For everyone
else, the warning taint is a testament to the system unreliability.

TAINT_WARN is used anytime a WARN() is emitted, which is suitable for
our purposes here as well; the driver/system may behave unexpectedly
after the failure.

v2: Also taint if the recovery fails (again history shows us that is
typically fatal).
v3: Use TAINT_WARN

References: https://bugs.freedesktop.org/show_bug.cgi?id=103514
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Tomi Sarvela <tomi.p.sarvela@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171205172757.32609-1-chris@chris-wilson.co.uk
2017-12-05 21:51:00 +00:00
..
gvt drm/i915: Remove i915.enable_execlists module parameter 2017-11-20 21:53:59 +00:00
selftests drm/i915/selftests: Wake the device before executing requests on the GPU 2017-12-01 10:43:04 +00:00
dvo_ch7xxx.c drm/i915/dvo: fix debug logging on unknown DID 2017-06-01 15:53:03 +03:00
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Move engine->needs_cmd_parser to engine->flags 2017-11-29 12:29:39 +00:00
i915_debugfs.c drm/i915: Extract intel_get_cagf 2017-11-22 11:24:56 +00:00
i915_drv.c drm/i915: Taint (TAINT_WARN) the kernel if the GPU reset fails 2017-12-05 21:51:00 +00:00
i915_drv.h drm/i915: Update DRIVER_DATE to 20171201 2017-12-01 17:07:19 -08:00
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: Refactor testing obj->mm.pages 2017-10-16 20:44:19 +01:00
i915_gem_clflush.h drm/i915: Force CPU synchronisation even if userspace requests ASYNC 2017-07-27 22:07:24 +02:00
i915_gem_context.c drm/i915: Flush everything on switching to the kernel_context 2017-11-27 16:37:15 +00:00
i915_gem_context.h drm/i915: Record the default hw state after reset upon load 2017-11-10 17:23:10 +00:00
i915_gem_dmabuf.c drm/i915: s/sg_mask/sg_page_sizes/ 2017-10-09 17:07:29 +01:00
i915_gem_evict.c Linux 4.14-rc7 2017-11-02 12:40:41 +10:00
i915_gem_execbuffer.c drm/i915: Move engine->needs_cmd_parser to engine->flags 2017-11-29 12:29:39 +00:00
i915_gem_fence_reg.c drm/i915: Track user GTT faulting per-vma 2017-10-09 17:07:29 +01:00
i915_gem_fence_reg.h
i915_gem_gtt.c drm/i915: Remove success dmesg noise for intel_rotate_pages() 2017-11-22 17:29:58 +00:00
i915_gem_gtt.h drm/i915: support 64K pages for the 48b PPGTT 2017-10-07 10:11:57 +01:00
i915_gem_internal.c drm/i915: s/sg_mask/sg_page_sizes/ 2017-10-09 17:07:29 +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: Introduce GEM proxy 2017-11-14 12:26:36 +00:00
i915_gem_render_state.c drm/i915: Pull the unconditional GPU cache invalidation into request construction 2017-11-20 15:56:16 +00:00
i915_gem_render_state.h drm/i915: Stop caching the "golden" renderstate 2017-11-10 17:23:22 +00:00
i915_gem_request.c drm/i915: Unwind incomplete legacy context switches 2017-11-23 16:12:04 +00:00
i915_gem_request.h drm/i915/scheduler: Support user-defined priorities 2017-10-04 17:52:46 +01:00
i915_gem_shrinker.c drm/i915: Update shrinker drm_i915_private naming convention 2017-11-27 16:37:15 +00:00
i915_gem_stolen.c drm/i915: Use ELK stolen memory reserved detection for ILK 2017-11-15 18:49:10 +02:00
i915_gem_tiling.c drm/i915: Introduce GEM proxy 2017-11-14 12:26:36 +00:00
i915_gem_timeline.c drm/i915: Rename i915_gem_timelines_mark_idle 2017-11-27 16:37:15 +00:00
i915_gem_timeline.h drm/i915: Rename i915_gem_timelines_mark_idle 2017-11-27 16:37:15 +00:00
i915_gem_userptr.c drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM 2017-11-17 10:58:55 +00:00
i915_gem.c drm/i915: Flush pending GTT writes before unbinding 2017-12-05 21:50:56 +00:00
i915_gem.h drm/i915: Print the condition causing GEM_BUG_ON 2017-11-16 15:35:47 +02:00
i915_gemfs.c drm/i915: Disable THP until we have a GPU read BW W/A 2017-11-29 09:54:59 +02:00
i915_gemfs.h drm/i915: introduce simple gemfs 2017-10-07 10:11:41 +01:00
i915_gpu_error.c drm/i915: Set fake_vma.size as well as fake_vma.node.size for capture 2017-12-01 09:17:04 +00:00
i915_ioc32.c
i915_irq.c drm/i915: Tidy up signed/unsigned comparison 2017-11-30 17:34:44 +00:00
i915_memcpy.c
i915_mm.c
i915_oa_bdw.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_bdw.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_bxt.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_bxt.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_cflgt2.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_cflgt2.h drm/i915/perf: add support for Coffeelake GT2 2017-09-18 19:46:36 +01:00
i915_oa_cflgt3.c drm/i915/perf: add support for Coffeelake GT3 2017-11-13 15:59:03 +00:00
i915_oa_cflgt3.h drm/i915/perf: add support for Coffeelake GT3 2017-11-13 15:59:03 +00:00
i915_oa_chv.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_chv.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_cnl.c drm/i915/perf: enable perf support on CNL 2017-11-13 15:59:24 +00:00
i915_oa_cnl.h drm/i915/perf: enable perf support on CNL 2017-11-13 15:59:24 +00:00
i915_oa_glk.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_glk.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_hsw.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_hsw.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_kblgt2.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_kblgt2.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_kblgt3.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_kblgt3.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt2.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_sklgt2.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt3.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_sklgt3.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_oa_sklgt4.c drm/i915: ensure oa config uuid is null terminated 2017-11-02 14:52:58 +00:00
i915_oa_sklgt4.h drm/i915/perf: prune OA configs 2017-08-03 18:18:05 +01:00
i915_params.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
i915_params.h drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
i915_pci.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
i915_perf.c drm/i915: Remove i915.enable_execlists module parameter 2017-11-20 21:53:59 +00:00
i915_pmu.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
i915_pmu.h drm/i915/pmu: Stop averaging with the previous sample 2017-11-24 13:20:48 +00:00
i915_pvinfo.h drm/i915: enable to read CSB and CSB write pointer from HWSP in GVT-g VM 2017-10-16 13:56:29 +03:00
i915_reg.h drm/i915/pmu: Expose a PMU interface for perf queries 2017-11-22 11:24:57 +00:00
i915_selftest.h drm/i915/selftests: Reduce the volume of the timeout message 2017-11-10 11:31:58 +00:00
i915_suspend.c drm/i915: Move i915_gem_restore_fences to i915_gem_resume 2017-09-29 12:30:17 +01:00
i915_sw_fence.c drm/i915: Convert timers to use timer_setup() 2017-10-18 14:56:10 +03:00
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: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
i915_trace_points.c
i915_trace.h drm/i915: Remove defunct trace points 2017-10-04 15:19:20 +01:00
i915_utils.h drm/i915: Warn in debug builds of incorrect usages of ptr_pack_bits 2017-11-03 09:28:06 +00:00
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 to read CSB and CSB write pointer from HWSP in GVT-g VM 2017-10-16 13:56:29 +03:00
i915_vma.c drm/i915: Mark up i915_vma_unbind() as a potential sleeper 2017-11-09 22:06:09 +00:00
i915_vma.h drm/i915: Track user GTT faulting per-vma 2017-10-09 17:07:29 +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: Pass proper old/new states to intel_plane_atomic_check_with_state() 2017-09-01 16:48:24 +03:00
intel_atomic.c drm/i915/cnl: Fix Cannonlake scaler mode programing. 2017-06-12 09:45:55 -07:00
intel_audio.c drm/i915: Fix kerneldocs for intel_audio.c 2017-11-15 17:32:54 +02:00
intel_bios.c Merge airlied/drm-next into drm-intel-next-queued 2017-11-14 07:43:00 -08:00
intel_bios.h
intel_breadcrumbs.c drm/i915: Clear breadcrumb node when cancelling signaling 2017-11-16 14:17:08 +00:00
intel_cdclk.c drm/i915: Make ips_enabled a property depending on whether IPS is enabled, v3. 2017-11-30 16:49:42 +01:00
intel_color.c drm/i915: Pass crtc_state to ips toggle functions, v2 2017-11-17 12:14:25 +01:00
intel_crt.c drm/i915: Eliminate crtc->config usage from CRT code 2017-11-09 20:05:18 +02:00
intel_csr.c drm/i915/skl: DMC firmware for skylake v1.27 2017-12-05 15:57:08 +02:00
intel_ddi.c drm/i915/cnl: Mask previous DDI - PLL mapping 2017-12-01 09:44:03 -08:00
intel_device_info.c drm/i915/cnl: only divide up base frequency with crystal source 2017-12-04 16:16:11 -02:00
intel_display.c drm/i915: Pass crtc state to intel_pipe_{enable,disable}() 2017-12-01 17:05:16 +02:00
intel_dp_aux_backlight.c drm/i915: Rename global i915 to i915_modparams 2017-09-22 14:50:36 +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: Nuke intel_digital_port->port 2017-11-09 20:06:14 +02:00
intel_dp.c drm/i915: Interlaced DP output doesn't work on VLV/CHV 2017-12-01 17:05:16 +02:00
intel_dpio_phy.c drm/i915: Nuke intel_digital_port->port 2017-11-09 20:06:14 +02:00
intel_dpll_mgr.c drm/i915/cnl: Simplify dco_fraction calculation. 2017-11-16 09:45:39 -08:00
intel_dpll_mgr.h drm/i915/cnl: Initialize PLLs 2017-06-12 09:42:18 -07:00
intel_drv.h drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
intel_dsi_dcs_backlight.c drm/i915: Initialize 'data' in intel_dsi_dcs_backlight.c 2017-08-16 18:02:00 +03:00
intel_dsi_pll.c
intel_dsi_vbt.c drm/i915/bxt: use NULL for GPIO connection ID 2017-08-21 11:52:29 +03:00
intel_dsi.c drm/i915: Eliminate some encoder->crtc usage from DSI code 2017-11-09 20:04:35 +02:00
intel_dsi.h
intel_dvo.c drm/i915: Populate output_types from .get_config() 2017-10-30 19:53:22 +02:00
intel_engine_cs.c drm/i915/glk: Apply WaProgramL3SqcReg1DefaultForPerf for GLK too 2017-11-30 13:32:51 +02:00
intel_fbc.c drm/i915: Nuke crtc->plane 2017-11-21 19:51:34 +02:00
intel_fbdev.c drm/i915/fbdev: Serialise early hotplug events with async fbdev config 2017-11-26 12:44:59 +00:00
intel_fifo_underrun.c drm/i915: Don't rmw PIPESTAT enable bits 2017-09-25 16:54:09 +03:00
intel_frontbuffer.c
intel_frontbuffer.h
intel_guc_ct.c drm/i915/guc: Assert ctch->vma is allocated 2017-11-06 13:57:37 +00:00
intel_guc_ct.h drm/i915/guc: Introduce buffer based cmd transport 2017-05-26 13:26:53 +01:00
intel_guc_fw.c drm/i915/guc: Change default GuC FW for KBL to v9.39 2017-11-29 14:47:34 -08:00
intel_guc_fw.h drm/i915/guc: Rename intel_guc_loader.c to intel_guc_fw.c 2017-10-16 18:53:25 +03:00
intel_guc_fwif.h drm/i915/guc: Add support for reset engine using GuC commands 2017-11-02 08:42:11 +00:00
intel_guc_log.c drm/i915: Unify uC variable types to avoid flooding checkpatch.pl 2017-10-06 14:09:40 +03:00
intel_guc_log.h drm/i915: Unify uC variable types to avoid flooding checkpatch.pl 2017-10-06 14:09:40 +03:00
intel_guc_reg.h drm/i915/guc: Use consistent name for scratch register count 2017-11-24 20:47:39 +00:00
intel_guc_submission.c drm/i915: Consolidate checks for engine stats availability 2017-11-29 12:29:40 +00:00
intel_guc_submission.h drm/i915/guc: Update header guard name of intel_guc_submission.h 2017-11-24 10:34:30 +00:00
intel_guc.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
intel_guc.h drm/i915/guc: Rename i915_guc_reg.h to intel_guc_reg.h 2017-11-24 12:09:59 +00:00
intel_gvt.c drm/i915: Remove i915.enable_execlists module parameter 2017-11-20 21:53:59 +00:00
intel_gvt.h drm/i915/gvt: Add gvt options sanitize function 2017-05-30 15:59:47 +03:00
intel_hangcheck.c drm/i915: Remove obsolete ringbuffer emission for gen8+ 2017-11-20 21:54:58 +00:00
intel_hdmi.c drm/i915/cnl: Extend HDMI 2.0 support to CNL. 2017-11-16 09:45:52 -08:00
intel_hotplug.c drm/i915: Introduce intel_hpd_pin function. 2017-08-11 11:53:47 -07:00
intel_huc.c drm/i915/huc: Use helper function while waiting for DMA completion 2017-10-26 21:35:21 +01:00
intel_huc.h drm/i915/huc: Fix includes in intel_huc.c 2017-10-06 16:01:15 +01:00
intel_i2c.c drm/i915: Prevent zero length "index" write 2017-11-24 16:41:30 +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: Consolidate checks for engine stats availability 2017-11-29 12:29:40 +00:00
intel_lrc.h drm/i915: Remove i915.enable_execlists module parameter 2017-11-20 21:53:59 +00:00
intel_lspcon.c drm/i915: Add retries for LSPCON detection 2017-10-13 12:15:10 +03:00
intel_lvds.c drm/i915: Populate output_types from .get_config() 2017-10-30 19:53:22 +02:00
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 drm/i915: always update ELD connector type after get modes 2017-09-26 09:14:20 -07:00
intel_opregion.c drm/i915: Nuke intel_ddi_get_encoder_port() 2017-10-30 19:55:18 +02:00
intel_overlay.c drm: Pass struct drm_file * to __drm_mode_object_find [v2] 2017-10-12 10:03:04 +10:00
intel_panel.c drm/i915: hide unused intel_panel_set_backlight function 2017-11-27 17:27:15 +01:00
intel_pipe_crc.c drm/i915: Make ips_enabled a property depending on whether IPS is enabled, v3. 2017-11-30 16:49:42 +01:00
intel_pm.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
intel_psr.c drm/i915: Nuke intel_digital_port->port 2017-11-09 20:06:14 +02:00
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: Move mi_set_context() into the legacy ringbuffer submission 2017-11-23 16:12:06 +00:00
intel_ringbuffer.h drm/i915: Consolidate checks for engine stats availability 2017-11-29 12:29:40 +00:00
intel_runtime_pm.c drm/i915: Start tracking voltage level in the cdclk state 2017-10-25 13:40:00 +03:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Eliminate some encoder->crtc usage from SDVO code 2017-11-09 20:04:47 +02:00
intel_sideband.c drm/i915: Move rps.hw_lock to dev_priv and s/hw_lock/pcu_lock 2017-10-11 08:56:56 +01:00
intel_sprite.c drm/i915: s/enum plane/enum i9xx_plane_id/ 2017-11-21 19:44:03 +02:00
intel_tv.c drm/i915: Eliminate some encoder->crtc usage from TV code 2017-11-09 20:04:56 +02:00
intel_uc_fw.c drm/i915/guc: Use consistent name for scratch register count 2017-11-24 20:47:39 +00:00
intel_uc_fw.h drm/i915: Add Guc/HuC firmware details to error state 2017-11-06 14:22:06 +00:00
intel_uc.c drm/i915/guc: Rename i915_guc_submission.c|h to intel_guc_submission.c|h 2017-11-16 15:06:18 +00:00
intel_uc.h drm/i915/guc: Move GuC core definitions into dedicated files 2017-10-06 09:37:20 +03:00
intel_uncore.c drm/i915: Remove unsafe i915.enable_rc6 2017-12-01 15:20:02 +00:00
intel_uncore.h drm/i915: Re-register PMIC bus access notifier on runtime resume 2017-11-15 09:55:12 +01:00
intel_vbt_defs.h drm/i915: Parse max HDMI TMDS clock from VBT 2017-10-30 19:48:11 +02:00
Kconfig drm/i915/fence: Avoid del_timer_sync() from inside a timer 2017-09-19 13:06:21 +01:00
Kconfig.debug drm/i915: Select DEBUG_FS for our test suite 2017-11-24 12:18:55 +00:00
Makefile drm/i915/pmu: Expose a PMU interface for perf queries 2017-11-22 11:24:57 +00:00