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config DRM_I915_WERROR
bool "Force GCC to throw an error instead of a warning when compiling"
# As this may inadvertently break the build, only allow the user
# to shoot oneself in the foot iff they aim really hard
depends on EXPERT
# We use the dependency on !COMPILE_TEST to not be enabled in
# allmodconfig or allyesconfig configurations
depends on !COMPILE_TEST
default n
help
Add -Werror to the build flags for (and only for) i915.ko.
Do not enable this unless you are writing code for the i915.ko module.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_DEBUG
bool "Enable additional driver debugging"
depends on DRM_I915
select PREEMPT_COUNT
select I2C_CHARDEV
select DRM_DP_AUX_CHARDEV
select X86_MSR # used by igt/pm_rpm
select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
select DRM_DEBUG_MM if DRM=y
select DRM_DEBUG_MM_SELFTEST
select DRM_I915_SW_FENCE_DEBUG_OBJECTS
select DRM_I915_SELFTEST
default n
help
Choose this option to turn on extra driver debugging that may affect
performance but will catch some internal issues.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_DEBUG_GEM
bool "Insert extra checks into the GEM internals"
default n
depends on DRM_I915_WERROR
help
Enable extra sanity checks (including BUGs) along the GEM driver
paths that may slow the system down and if hit hang the machine.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_SW_FENCE_DEBUG_OBJECTS
bool "Enable additional driver debugging for fence objects"
depends on DRM_I915
select DEBUG_OBJECTS
default n
help
Choose this option to turn on extra driver debugging that may affect
performance but will catch some internal issues.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_SW_FENCE_CHECK_DAG
bool "Enable additional driver debugging for detecting dependency cycles"
depends on DRM_I915
default n
help
Choose this option to turn on extra driver debugging that may affect
performance but will catch some internal issues.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_SELFTEST
bool "Enable selftests upon driver load"
depends on DRM_I915
default n
select FAULT_INJECTION
select PRIME_NUMBERS
help
Choose this option to allow the driver to perform selftests upon
loading; also requires the i915.selftest=1 module parameter. To
exit the module after running the selftests (i.e. to prevent normal
module initialisation afterwards) use i915.selftest=-1.
Recommended for driver developers only.
If in doubt, say "N".
config DRM_I915_LOW_LEVEL_TRACEPOINTS
bool "Enable low level request tracing events"
depends on DRM_I915
default n
help
Choose this option to turn on low level request tracing events.
This provides the ability to precisely monitor engine utilisation
and also analyze the request dependency resolving timeline.
If in doubt, say "N".
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