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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/gpu/drm/i915/Kconfig.debug
....@@ -1,55 +1,73 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
12 config DRM_I915_WERROR
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-        bool "Force GCC to throw an error instead of a warning when compiling"
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-        # As this may inadvertently break the build, only allow the user
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-        # to shoot oneself in the foot iff they aim really hard
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-        depends on EXPERT
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-        # We use the dependency on !COMPILE_TEST to not be enabled in
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-        # allmodconfig or allyesconfig configurations
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-        depends on !COMPILE_TEST
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-        default n
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-        help
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-          Add -Werror to the build flags for (and only for) i915.ko.
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-          Do not enable this unless you are writing code for the i915.ko module.
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+	bool "Force GCC to throw an error instead of a warning when compiling"
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+	# As this may inadvertently break the build, only allow the user
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+	# to shoot oneself in the foot iff they aim really hard
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+	depends on EXPERT
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+	# We use the dependency on !COMPILE_TEST to not be enabled in
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+	# allmodconfig or allyesconfig configurations
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+	depends on !COMPILE_TEST
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+	default n
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+	help
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+	  Add -Werror to the build flags for (and only for) i915.ko.
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+	  Do not enable this unless you are writing code for the i915.ko module.
1314 
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
1516 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
1718 
1819 config DRM_I915_DEBUG
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-        bool "Enable additional driver debugging"
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-        depends on DRM_I915
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-        select DEBUG_FS
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-        select PREEMPT_COUNT
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-        select I2C_CHARDEV
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-        select DRM_DP_AUX_CHARDEV
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-        select X86_MSR # used by igt/pm_rpm
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-        select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
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-        select DRM_DEBUG_MM if DRM=y
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-        select STACKDEPOT if DRM=y # for DRM_DEBUG_MM
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+	bool "Enable additional driver debugging"
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+	depends on DRM_I915
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+	select DEBUG_FS
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+	select PREEMPT_COUNT
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+	select I2C_CHARDEV
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+	select STACKDEPOT
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+	select DRM_DP_AUX_CHARDEV
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+	select X86_MSR # used by igt/pm_rpm
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+	select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
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+	select DRM_DEBUG_MM if DRM=y
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+	select DRM_EXPORT_FOR_TESTS if m
2931 	select DRM_DEBUG_SELFTEST
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+	select DMABUF_SELFTESTS
3033 	select SW_SYNC # signaling validation framework (igt/syncobj*)
3134 	select DRM_I915_SW_FENCE_DEBUG_OBJECTS
3235 	select DRM_I915_SELFTEST
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-        default n
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-        help
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-          Choose this option to turn on extra driver debugging that may affect
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-          performance but will catch some internal issues.
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+	select DRM_I915_DEBUG_RUNTIME_PM
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+	select DRM_I915_DEBUG_MMIO
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+	default n
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+	help
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+	  Choose this option to turn on extra driver debugging that may affect
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+	  performance but will catch some internal issues.
3742 
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
3944 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
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+
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+config DRM_I915_DEBUG_MMIO
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+	bool "Always insert extra checks around mmio access by default"
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+	default n
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+	help
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+	  By default, always enables the extra sanity checks (extra register
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+	  reads) around every mmio (register) access that will slow the system
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+	  down. This sets the default value of i915.mmio_debug to -1 and can
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+	  be overridden at module load.
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+
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+	  Recommended for driver developers only.
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+
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+	  If in doubt, say "N".
4159 
4260 config DRM_I915_DEBUG_GEM
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-        bool "Insert extra checks into the GEM internals"
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-        default n
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-        depends on DRM_I915_WERROR
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-        help
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-          Enable extra sanity checks (including BUGs) along the GEM driver
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-          paths that may slow the system down and if hit hang the machine.
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+	bool "Insert extra checks into the GEM internals"
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+	default n
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+	depends on DRM_I915_WERROR
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+	help
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+	  Enable extra sanity checks (including BUGs) along the GEM driver
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+	  paths that may slow the system down and if hit hang the machine.
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
5169 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
5371 
5472 config DRM_I915_ERRLOG_GEM
5573 	bool "Insert extra logging (very verbose) for common GEM errors"
....@@ -77,49 +95,65 @@
7795 
7896 	  If in doubt, say "N".
7997 
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+config DRM_I915_TRACE_GTT
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+	bool "Insert extra ftrace output from the GTT internals"
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+	depends on DRM_I915_DEBUG_GEM
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+	select TRACING
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+	default n
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+	help
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+	  Enable additional and verbose debugging output that will spam
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+	  ordinary tests, but may be vital for post-mortem debugging when
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+	  used with /proc/sys/kernel/ftrace_dump_on_oops
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+
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+	  Recommended for driver developers only.
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+
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+	  If in doubt, say "N".
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+
80112 config DRM_I915_SW_FENCE_DEBUG_OBJECTS
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-        bool "Enable additional driver debugging for fence objects"
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-        depends on DRM_I915
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-        select DEBUG_OBJECTS
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-        default n
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-        help
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-          Choose this option to turn on extra driver debugging that may affect
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-          performance but will catch some internal issues.
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+	bool "Enable additional driver debugging for fence objects"
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+	depends on DRM_I915
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+	select DEBUG_OBJECTS
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+	default n
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+	help
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+	  Choose this option to turn on extra driver debugging that may affect
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+	  performance but will catch some internal issues.
88120 
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
90122 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
92124 
93125 config DRM_I915_SW_FENCE_CHECK_DAG
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-        bool "Enable additional driver debugging for detecting dependency cycles"
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-        depends on DRM_I915
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-        default n
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-        help
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-          Choose this option to turn on extra driver debugging that may affect
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-          performance but will catch some internal issues.
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+	bool "Enable additional driver debugging for detecting dependency cycles"
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+	depends on DRM_I915
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+	default n
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+	help
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+	  Choose this option to turn on extra driver debugging that may affect
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+	  performance but will catch some internal issues.
100132 
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
102134 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
104136 
105137 config DRM_I915_DEBUG_GUC
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-        bool "Enable additional driver debugging for GuC"
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-        depends on DRM_I915
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-        default n
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-        help
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-          Choose this option to turn on extra driver debugging that may affect
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-          performance but will help resolve GuC related issues.
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+	bool "Enable additional driver debugging for GuC"
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+	depends on DRM_I915
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+	default n
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+	help
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+	  Choose this option to turn on extra driver debugging that may affect
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+	  performance but will help resolve GuC related issues.
112144 
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-          Recommended for driver developers only.
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+	  Recommended for driver developers only.
114146 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
116148 
117149 config DRM_I915_SELFTEST
118150 	bool "Enable selftests upon driver load"
119151 	depends on DRM_I915
120152 	default n
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+	select DRM_EXPORT_FOR_TESTS if m
121154 	select FAULT_INJECTION
122155 	select PRIME_NUMBERS
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+	select CRC32
123157 	help
124158 	  Choose this option to allow the driver to perform selftests upon
125159 	  loading; also requires the i915.selftest=1 module parameter. To
....@@ -145,15 +179,15 @@
145179 	  If in doubt, say "N".
146180 
147181 config DRM_I915_LOW_LEVEL_TRACEPOINTS
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-        bool "Enable low level request tracing events"
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-        depends on DRM_I915
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-        default n
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-        help
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-          Choose this option to turn on low level request tracing events.
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-          This provides the ability to precisely monitor engine utilisation
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-          and also analyze the request dependency resolving timeline.
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+	bool "Enable low level request tracing events"
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+	depends on DRM_I915
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+	default n
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+	help
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+	  Choose this option to turn on low level request tracing events.
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+	  This provides the ability to precisely monitor engine utilisation
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+	  and also analyze the request dependency resolving timeline.
155189 
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-          If in doubt, say "N".
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+	  If in doubt, say "N".
157191 
158192 config DRM_I915_DEBUG_VBLANK_EVADE
159193 	bool "Enable extra debug warnings for vblank evasion"
....@@ -167,3 +201,15 @@
167201 	  the vblank.
168202 
169203 	  If in doubt, say "N".
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+
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+config DRM_I915_DEBUG_RUNTIME_PM
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+	bool "Enable extra state checking for runtime PM"
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+	depends on DRM_I915
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+	default n
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+	select STACKDEPOT
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+	help
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+	  Choose this option to turn on extra state checking for the
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+	  runtime PM functionality. This may introduce overhead during
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+	  driver loading, suspend and resume operations.
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+
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+	  If in doubt, say "N"