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777a7717d6
linux/drivers/gpu/drm/i915
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Chris Wilson 777a7717d6 drm/i915/gt: Program mocs:63 for cache eviction on gen9 
Ville noticed that the last mocs entry is used unconditionally by the HW
when it performs cache evictions, and noted that while the value is not
meant to be writable by the driver, we should program it to a reasonable
value nevertheless.

As it turns out, we can change the value of mocs:63 and the value we
were programming into it would cause hard hangs in conjunction with
atomic operations.

v2: Add details from bspec about how it is used by HW

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2707
Fixes: 3bbaba0cea ("drm/i915: Added Programming of the MOCS")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: <stable@vger.kernel.org> # v4.3+
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201126140841.1982-1-chris@chris-wilson.co.uk
(cherry picked from commit 977933b5da)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2020-11-30 16:31:30 -08:00
..
display drm/i915: Handle max_bpc==16 2020-11-19 01:52:25 -05:00
gem drm/i915/gem: Pull phys pread/pwrite implementations to the backend 2020-11-12 19:47:30 -05:00
gt drm/i915/gt: Program mocs:63 for cache eviction on gen9 2020-11-30 16:31:30 -08:00
gvt drm/i915/gvt: correct a false comment of flag F_UNALIGN 2020-11-24 09:17:41 -08:00
selftests drm/i915/selftests: Fix wrong return value of perf_request_latency() 2020-11-16 18:06:28 -05:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
i915_active_types.h
i915_active.c drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
i915_active.h drm/i915: Provide a fastpath for waiting on vma bindings 2020-09-07 13:29:19 +03:00
i915_buddy.c drm/i915/buddy: avoid double list_add 2020-03-06 14:33:08 +00:00
i915_buddy.h
i915_cmd_parser.c drm/i915: Avoid mixing integer types during batch copies 2020-09-30 14:24:54 -04:00
i915_config.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_debugfs_params.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
i915_debugfs_params.h
i915_debugfs.c drm/i915/gem: Serialise debugfs i915_gem_objects with ctx->mutex 2020-09-30 14:24:37 -04:00
i915_debugfs.h drm/i915: have *_debugfs_init() functions return void. 2020-03-18 16:27:22 +01:00
i915_drv.c drm/i915: Reduce INTEL_DISPLAY_ENABLED to just removing the outputs 2020-09-15 14:57:13 +03:00
i915_drv.h drm/i915: Force VT'd workarounds when running as a guest OS 2020-10-21 08:32:30 -04:00
i915_fixed.h
i915_gem_evict.c drm/i915: Handle idling during i915_gem_evict_something busy loops 2020-05-13 14:39:41 -07:00
i915_gem_gtt.c drm/i915: Update dma-attributes for our sg DMA 2020-07-07 11:00:47 +01:00
i915_gem_gtt.h drm/i915: Remove PIN_UPDATE for i915_vma_pin 2020-05-21 17:33:51 +01:00
i915_gem.c drm/i915/gem: Pull phys pread/pwrite implementations to the backend 2020-11-12 19:47:30 -05:00
i915_gem.h drm/i915: Use per object locking in execbuf, v12. 2020-09-07 14:30:07 +03:00
i915_getparam.c drm/i915: add syncobj timeline support 2020-08-17 16:16:51 -04:00
i915_globals.c
i915_globals.h
i915_gpu_error.c drm/i915: Use the active reference on the vma while capturing 2020-10-19 13:29:57 -04:00
i915_gpu_error.h drm/i915: Move the engine mask to intel_gt_info 2020-07-08 21:07:11 +01:00
i915_ioc32.c i915 compat ioctl(): just use drm_ioctl_kernel() 2020-05-01 20:35:26 -04:00
i915_ioc32.h drm/i915: add i915_ioc32.h for compat 2020-03-02 13:32:37 +02:00
i915_irq.c drm/i915: Introduce intel_hpd_hotplug_irqs() 2020-09-15 18:01:35 +03:00
i915_irq.h
i915_memcpy.c drm/i915: remove always-defined CONFIG_AS_MOVNTDQA 2020-04-09 00:01:59 +09:00
i915_memcpy.h
i915_mm.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
i915_params.c drm/i915: Initial implementation of PSR2 selective fetch 2020-08-17 16:17:15 -04:00
i915_params.h drm/i915: Initial implementation of PSR2 selective fetch 2020-08-17 16:17:15 -04:00
i915_pci.c drm/i915: Restore ILK-M RPS support 2020-10-29 14:20:20 -04:00
i915_perf_types.h drm/i915/perf: Schedule oa_config after modifying the contexts 2020-03-30 18:20:34 +01:00
i915_perf.c drm/i915/perf: workaround register corruption in OATAILPTR 2020-11-24 09:17:41 -08:00
i915_perf.h
i915_pmu.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
i915_pmu.h drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_priolist_types.h drm/i915/gt: Prevent timeslicing into unpreemptable requests 2020-06-16 11:34:23 +03:00
i915_pvinfo.h
i915_query.c drm/i915/sseu: Move sseu_info under gt_info 2020-07-08 21:13:09 +01:00
i915_query.h
i915_reg.h drm/i915/perf: workaround register corruption in OATAILPTR 2020-11-24 09:17:41 -08:00
i915_request.c drm/i915: Cancel outstanding work after disabling heartbeats on an engine 2020-09-30 14:24:46 -04:00
i915_request.h drm/i915/gt: Track signaled breadcrumbs outside of the breadcrumb spinlock 2020-11-24 09:30:56 -08:00
i915_scatterlist.c
i915_scatterlist.h
i915_scheduler_types.h drm/i915: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_scheduler.c drm/i915: Don't set queue-priority hint when supressing the reschedule 2020-05-25 15:40:26 +03:00
i915_scheduler.h drm/i915: Mark concurrent submissions with a weak-dependency 2020-05-11 10:54:04 -07:00
i915_selftest.h drm/i915/gem: Implement legacy MI_STORE_DATA_IMM 2020-05-04 15:15:04 +01:00
i915_suspend.c drm/i915: Nuke CACHE_MODE_0 save/restore 2020-09-14 16:20:57 +03:00
i915_suspend.h
i915_sw_fence_work.c drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence_work.h drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence.c treewide: Make all debug_obj_descriptors const 2020-09-24 21:56:25 +02:00
i915_sw_fence.h
i915_switcheroo.c drm/i915/switcheroo: use struct drm_device based logging 2020-04-08 13:49:35 +03:00
i915_switcheroo.h
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915/gt: Expose engine properties via sysfs 2020-02-28 22:03:19 +00:00
i915_sysfs.h
i915_trace_points.c
i915_trace.h drm/i915: Drop i915_request.i915 backpointer 2020-06-03 13:53:39 +01:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Don't taint when using fault injection 2020-07-06 19:21:07 +01:00
i915_utils.h drm/i915: Remove unused inline function drain_delayed_work() 2020-07-15 10:16:44 +01:00
i915_vgpu.c drm/i915/vgpu: improve vgpu abstractions 2020-03-03 17:46:54 +02:00
i915_vgpu.h drm/i915/vgpu: improve vgpu abstractions 2020-03-03 17:46:54 +02:00
i915_vma_types.h drm/i915: Export ppgtt_bind_vma 2020-07-03 15:14:35 +01:00
i915_vma.c drm/i915: Hold onto an explicit ref to i915_vma_work.pinned 2020-11-03 19:22:42 -05:00
i915_vma.h drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin. 2020-09-07 14:31:13 +03:00
intel_device_info.c drm/i915: disable all display features when no display 2020-09-11 13:16:48 +03:00
intel_device_info.h drm/i915/rkl: Handle HTI 2020-08-17 16:16:07 -04:00
intel_dram.c drm/i915/dram: prefer struct drm_device based logging 2020-04-08 13:49:35 +03:00
intel_dram.h drm/i915: split out intel_dram.[ch] from i915_drv.c 2020-02-27 09:16:01 +02:00
intel_gvt.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_gvt.h
intel_memory_region.c drm/i915/region: fix max size calculation 2020-10-29 14:20:17 -04:00
intel_memory_region.h
intel_pch.c drm/i915/dg1: Add fake PCH 2020-07-14 02:47:21 -07:00
intel_pch.h drm/i915/dg1: Add fake PCH 2020-07-14 02:47:21 -07:00
intel_pm.c drm/i915/tgl: Fix Media power gate sequence. 2020-11-16 18:06:21 -05:00
intel_pm.h drm/i915: Fix includes and local vars order 2020-05-22 14:40:35 +01:00
intel_region_lmem.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_region_lmem.h
intel_runtime_pm.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
intel_runtime_pm.h
intel_sideband.c drm/i915: Nuke dpio_phy_iosf_port[] 2020-09-11 16:59:49 +03:00
intel_sideband.h
intel_uncore.c drm/i915: Drop runtime-pm assert from vgpu io accessors 2020-10-21 08:32:32 -04:00
intel_uncore.h drm/i915: Use the gt in HAS_ENGINE 2020-07-08 21:07:09 +01:00
intel_wakeref.c drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wakeref.h drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wopcm.c drm/i915: Remove cnl pre-prod workarounds 2020-05-04 18:44:52 +03:00
intel_wopcm.h
Kconfig drm/i915: use vmap in i915_gem_object_map 2020-10-18 09:27:10 -07:00
Kconfig.debug drm/i915: Exclude low pages (128KiB) of stolen from use 2020-10-21 08:32:28 -04:00
Kconfig.profile drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
Kconfig.unstable
Makefile drm/i915: Factor out HDCP shim functions from dp for use by dp_mst 2020-09-01 13:02:33 +05:30
vlv_suspend.c
vlv_suspend.h