AuxXxilium/linux_dsm_epyc7002
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993fa32eb3
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Nathan Chancellor 993fa32eb3 drm/i915: Mark check_shadow_context_ppgtt as maybe unused 
When CONFIG_DRM_I915_DEBUG_GEM is not set, clang warns:

drivers/gpu/drm/i915/gvt/scheduler.c:884:1: warning: function
'check_shadow_context_ppgtt' is not needed and will not be emitted
[-Wunneeded-internal-declaration]
check_shadow_context_ppgtt(struct execlist_ring_context *c, struct
intel_vgpu_mm *m)
^
1 warning generated.

This warning is similar to -Wunused-function but rather than warning
that the function is completely unused, it warns that it is used in some
expression within the file but that expression will be evaluated to a
constant or be optimized away in the final assembly, essentially making
it appeared used but really isn't. Usually, this happens when a function
or variable is only used in sizeof, where it will appear to be used but
will be evaluated at compile time and not be required to be emitted.

In this case, the function is only used in GEM_BUG_ON, which is defined
as BUILD_BUG_ON_INVALID, which intentionally follows this pattern. To
fix this warning, add __maybe_unused to make it clear that this is
intentional depending on the configuration.

Fixes: bec3df930f ("drm/i915/gvt: Support PPGTT table load command")
Link: https://github.com/ClangBuiltLinux/linux/issues/1027
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200516023545.3332334-1-natechancellor@gmail.com
2020-05-16 13:41:04 +01:00
..
display drm/i915: Move the dbuf pre/post plane update 2020-05-16 00:16:46 +03:00
gem drm/i915/gem: Retry faulthandlers on ENOSPC 2020-05-16 10:37:20 +01:00
gt drm/i915/gt: Transfer old virtual breadcrumbs to irq_worker 2020-05-14 10:09:31 +01:00
gvt drm/i915: Mark check_shadow_context_ppgtt as maybe unused 2020-05-16 13:41:04 +01:00
selftests drm/i915: Extract i915_cs_timestamp_{ns_to_ticks,tick_to_ns}() 2020-05-14 20:04:02 +03:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
i915_active_types.h
i915_active.c drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
i915_active.h drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
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/cmd_parser: conversion to struct drm_device logging macros. 2020-02-04 11:29:40 +02:00
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: Include the debugfs params header for its own definition 2020-01-17 13:00:16 +00:00
i915_debugfs_params.h
i915_debugfs.c drm/i915: Extract i915_cs_timestamp_{ns_to_ticks,tick_to_ns}() 2020-05-14 20:04:02 +03:00
i915_debugfs.h drm/i915: split out display debugfs to a separate file 2020-02-14 13:26:51 +02:00
i915_drv.c drm/i915: Refactor setting dma info to a common helper 2020-04-18 07:49:11 +01:00
i915_drv.h drm/i915: Introduce proper dbuf state 2020-05-16 00:16:46 +03:00
i915_fixed.h
i915_gem_evict.c drm/i915: Handle idling during i915_gem_evict_something busy loops 2020-05-12 13:02:03 +01:00
i915_gem_gtt.c drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_gem_gtt.h
i915_gem.c drm/i915/gem: Drop cached obj->bind_count 2020-04-02 01:17:39 +01:00
i915_gem.h
i915_getparam.c drm/i915: Store CS timestamp frequency in Hz 2020-05-14 19:59:53 +03:00
i915_globals.c
i915_globals.h
i915_gpu_error.c drm/i915/gt: Keep a no-frills swappable copy of the default context state 2020-04-29 19:02:37 +01:00
i915_gpu_error.h drm/i915: Replace zero-length array with flexible-array 2020-05-09 12:59:23 +01:00
i915_ioc32.c drm/i915: add i915_ioc32.h for compat 2020-03-02 13:32:37 +02:00
i915_ioc32.h drm/i915: add i915_ioc32.h for compat 2020-03-02 13:32:37 +02:00
i915_irq.c drm/i915: Stash hpd status bits under dev_priv 2020-05-11 16:29:10 +03:00
i915_irq.h drm/i915: Convert to CRTC VBLANK callbacks 2020-02-13 13:08:13 +01:00
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
i915_params.c drm/i915: Remove 'prefault_disable' modparam 2020-01-27 11:45:35 +00:00
i915_params.h drm/i915: Mark i915.reset as unsigned 2020-02-05 18:51:52 +00:00
i915_pci.c drm/i915/gt: Restore Cherryview back to full-ppgtt 2020-05-11 17:26:38 +01:00
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: Extract i915_cs_timestamp_{ns_to_ticks,tick_to_ns}() 2020-05-14 20:04:02 +03:00
i915_perf.h
i915_pmu.c drm/i915/pmu: Keep a reference to module while active 2020-05-01 09:24:34 +01:00
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: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_pvinfo.h
i915_query.c
i915_query.h
i915_reg.h drm/i915/gen12: Add aux table invalidate for all engines 2020-05-07 20:18:28 +01:00
i915_request.c drm/i915: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_request.h drm/i915: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
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: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_scheduler.h drm/i915: Mark concurrent submissions with a weak-dependency 2020-05-07 19:49:21 +01:00
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: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
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 drm/i915: Tidy awaiting on dma-fences 2020-05-11 12:56:45 +01:00
i915_sw_fence.h drm/i915/gem: Don't leak non-persistent requests on changing engines 2020-02-11 21:58:39 +00:00
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/trace: i915_request.prio is a signed value 2020-01-28 15:53:36 +00:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Avoid setting timer->expires to 0 2020-04-03 16:33:09 +01:00
i915_utils.h drm/i915: be more solid in checking the alignment 2020-03-11 23:12:39 +02:00
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/gem: Extract transient execbuf flags from i915_vma 2020-03-03 21:52:51 +00:00
i915_vma.c drm/i915: Only close vma we open 2020-04-24 11:24:45 +01:00
i915_vma.h drm/i915/gt: Make fence revocation unequivocal 2020-04-01 23:34:17 +01:00
intel_device_info.c drm/i915: Extract i915_cs_timestamp_{ns_to_ticks,tick_to_ns}() 2020-05-14 20:04:02 +03:00
intel_device_info.h drm/i915: Store CS timestamp frequency in Hz 2020-05-14 19:59:53 +03:00
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/gvt: make intel_gvt_active internal to intel_gvt 2020-03-03 17:47:03 +02:00
intel_gvt.h
intel_memory_region.c drm/i915: convert to new logging macros in i915/intel_memory_region.c 2020-01-17 17:44:19 +02:00
intel_memory_region.h
intel_pch.c drm/i915: Make WARN* drm specific where drm_priv ptr is available 2020-01-22 17:54:33 +02:00
intel_pch.h
intel_pm.c drm/i915: Clean up dbuf debugs during .atomic_check() 2020-05-16 00:16:46 +03:00
intel_pm.h drm/i915: Move the dbuf pre/post plane update 2020-05-16 00:16:46 +03:00
intel_region_lmem.c
intel_region_lmem.h
intel_runtime_pm.c
intel_runtime_pm.h
intel_sideband.c drm/i915: Added required new PCode commands 2020-05-05 13:59:55 +03:00
intel_sideband.h
intel_uncore.c drm/i915: Remove unused HAS_FWTABLE macro 2020-05-11 16:57:36 +01:00
intel_uncore.h drm/i915/selftests: Measure the energy consumed while in RC6 2020-03-25 11:33:05 +00:00
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: Update drm/i915 bug filing URL 2020-02-17 21:16:45 +02:00
Kconfig.debug
Kconfig.profile drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
Kconfig.unstable
Makefile drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
vlv_suspend.c drm/i915: switch vlv_suspend to use intel uncore register accessors 2020-02-17 11:29:51 +02:00
vlv_suspend.h drm/i915: split out vlv/chv specific suspend/resume code 2020-02-17 11:29:35 +02:00