2016-04-14 00:35:00 +08:00
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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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Recommended for driver developers only.
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If in doubt, say "N".
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2016-03-03 22:36:43 +08:00
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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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2017-10-12 17:21:47 +08:00
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select DEBUG_FS
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2016-06-28 19:51:49 +08:00
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select PREEMPT_COUNT
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2016-12-03 00:35:41 +08:00
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select I2C_CHARDEV
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select DRM_DP_AUX_CHARDEV
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2016-07-09 16:49:07 +08:00
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select X86_MSR # used by igt/pm_rpm
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2016-07-09 18:22:57 +08:00
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select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
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2016-11-08 21:19:16 +08:00
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select DRM_DEBUG_MM if DRM=y
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2017-01-25 18:11:02 +08:00
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select DRM_DEBUG_MM_SELFTEST
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2017-08-10 17:40:36 +08:00
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select SW_SYNC # signaling validation framework (igt/syncobj*)
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2016-12-05 22:29:40 +08:00
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select DRM_I915_SW_FENCE_DEBUG_OBJECTS
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2017-02-14 01:15:12 +08:00
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select DRM_I915_SELFTEST
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2016-03-03 22:36:43 +08:00
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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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Recommended for driver developers only.
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If in doubt, say "N".
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2016-04-14 00:35:02 +08:00
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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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Recommended for driver developers only.
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If in doubt, say "N".
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2017-11-09 22:30:19 +08:00
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config DRM_I915_TRACE_GEM
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bool "Insert extra ftrace output from the GEM internals"
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2017-12-20 06:09:16 +08:00
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depends on DRM_I915_DEBUG_GEM
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2017-11-09 22:30:19 +08:00
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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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Recommended for driver developers only.
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If in doubt, say "N".
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2016-11-25 21:17:18 +08:00
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config DRM_I915_SW_FENCE_DEBUG_OBJECTS
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bool "Enable additional driver debugging for fence objects"
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2016-12-05 22:29:40 +08:00
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depends on DRM_I915
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2016-11-25 21:17:18 +08:00
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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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Recommended for driver developers only.
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If in doubt, say "N".
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2017-02-14 01:15:12 +08:00
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2017-05-17 20:09:57 +08:00
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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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2016-11-25 21:17:18 +08:00
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Recommended for driver developers only.
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If in doubt, say "N".
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2017-02-14 01:15:12 +08:00
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config DRM_I915_SELFTEST
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bool "Enable selftests upon driver load"
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depends on DRM_I915
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default n
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2017-02-14 01:15:44 +08:00
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select FAULT_INJECTION
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2017-02-14 01:15:12 +08:00
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select PRIME_NUMBERS
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help
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Choose this option to allow the driver to perform selftests upon
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loading; also requires the i915.selftest=1 module parameter. To
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exit the module after running the selftests (i.e. to prevent normal
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module initialisation afterwards) use i915.selftest=-1.
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Recommended for driver developers only.
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If in doubt, say "N".
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2017-02-21 19:01:42 +08:00
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2017-10-25 23:32:07 +08:00
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config DRM_I915_SELFTEST_BROKEN
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bool "Enable broken and dangerous selftests"
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depends on DRM_I915_SELFTEST
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depends on BROKEN
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default n
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help
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This option enables the execution of selftests that are "dangerous"
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and may trigger unintended HW side-effects as they break strict
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rules given in the HW specification. For science.
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Recommended for masochistic driver developers only.
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If in doubt, say "N".
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2017-02-21 19:01:42 +08:00
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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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If in doubt, say "N".
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2017-05-08 01:12:52 +08:00
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config DRM_I915_DEBUG_VBLANK_EVADE
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bool "Enable extra debug warnings for vblank evasion"
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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 debug warnings for the
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vblank evade mechanism. This gives a warning every time the
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the deadline allotted for the vblank evade critical section
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is exceeded, even if there isn't an actual risk of missing
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the vblank.
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If in doubt, say "N".
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