# SPDX-License-Identifier: GPL-2.0-only
config [31mCONFIG_DRM_I915_WERROR[0m
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 [31mCONFIG_EXPERT[0m
# We use the dependency on ![31mCONFIG_COMPILE_TEST[0m to not be enabled in
# allmodconfig or allyesconfig configurations
depends on ![31mCONFIG_COMPILE_TEST[0m
select [31mCONFIG_HEADER_TEST[0m
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 [31mCONFIG_DRM_I915_DEBUG[0m
bool "Enable additional driver debugging"
depends on [31mCONFIG_DRM_I915[0m
select [31mCONFIG_DEBUG_FS[0m
select [31mCONFIG_PREEMPT_COUNT[0m
select [31mCONFIG_REFCOUNT_FULL[0m
select [31mCONFIG_I2C_CHARDEV[0m
select [31mCONFIG_STACKDEPOT[0m
select [31mCONFIG_DRM_DP_AUX_CHARDEV[0m
select [31mCONFIG_X86_MSR[0m # used by igt/pm_rpm
select [31mCONFIG_DRM_VGEM[0m # used by igt/prime_vgem (dmabuf interop checks)
select [31mCONFIG_DRM_DEBUG_MM[0m if [31mCONFIG_DRM[0m=y
select [31mCONFIG_DRM_DEBUG_SELFTEST[0m
select [31mCONFIG_DMABUF_SELFTESTS[0m
select [31mCONFIG_SW_SYNC[0m # signaling validation framework (igt/syncobj*)
select [31mCONFIG_DRM_I915_SW_FENCE_DEBUG_OBJECTS[0m
select [31mCONFIG_DRM_I915_SELFTEST[0m
select [31mCONFIG_DRM_I915_DEBUG_RUNTIME_PM[0m
select [31mCONFIG_DRM_I915_DEBUG_MMIO[0m
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 [31mCONFIG_DRM_I915_DEBUG_MMIO[0m
bool "Always insert extra checks around mmio access by default"
default n
help
By default, always enables the extra sanity checks (extra register
reads) around every mmio (register) access that will slow the system
down. This sets the default value of i915.mmio_debug to -1 and can
be overridden at module load.
Recommended for driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_DEBUG_GEM[0m
bool "Insert extra checks into the GEM internals"
default n
depends on [31mCONFIG_DRM_I915_WERROR[0m
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 [31mCONFIG_DRM_I915_ERRLOG_GEM[0m
bool "Insert extra logging (very verbose) for common GEM errors"
default n
depends on [31mCONFIG_DRM_I915_DEBUG_GEM[0m
help
Enable additional logging that may help track down the cause of
principally userspace errors.
Recommended for driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_TRACE_GEM[0m
bool "Insert extra ftrace output from the GEM internals"
depends on [31mCONFIG_DRM_I915_DEBUG_GEM[0m
select [31mCONFIG_TRACING[0m
default n
help
Enable additional and verbose debugging output that will spam
ordinary tests, but may be vital for post-mortem debugging when
used with /proc/sys/kernel/ftrace_dump_on_oops
Recommended for driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_TRACE_GTT[0m
bool "Insert extra ftrace output from the GTT internals"
depends on [31mCONFIG_DRM_I915_DEBUG_GEM[0m
select [31mCONFIG_TRACING[0m
default n
help
Enable additional and verbose debugging output that will spam
ordinary tests, but may be vital for post-mortem debugging when
used with /proc/sys/kernel/ftrace_dump_on_oops
Recommended for driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_SW_FENCE_DEBUG_OBJECTS[0m
bool "Enable additional driver debugging for fence objects"
depends on [31mCONFIG_DRM_I915[0m
select [31mCONFIG_DEBUG_OBJECTS[0m
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 [31mCONFIG_DRM_I915_SW_FENCE_CHECK_DAG[0m
bool "Enable additional driver debugging for detecting dependency cycles"
depends on [31mCONFIG_DRM_I915[0m
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 [31mCONFIG_DRM_I915_DEBUG_GUC[0m
bool "Enable additional driver debugging for GuC"
depends on [31mCONFIG_DRM_I915[0m
default n
help
Choose this option to turn on extra driver debugging that may affect
performance but will help resolve GuC related issues.
Recommended for driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_SELFTEST[0m
bool "Enable selftests upon driver load"
depends on [31mCONFIG_DRM_I915[0m
default n
select [31mCONFIG_FAULT_INJECTION[0m
select [31mCONFIG_PRIME_NUMBERS[0m
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 [31mCONFIG_DRM_I915_SELFTEST_BROKEN[0m
bool "Enable broken and dangerous selftests"
depends on [31mCONFIG_DRM_I915_SELFTEST[0m
depends on [31mCONFIG_BROKEN[0m
default n
help
This option enables the execution of selftests that are "dangerous"
and may trigger unintended HW side-effects as they break strict
rules given in the HW specification. For science.
Recommended for masochistic driver developers only.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS[0m
bool "Enable low level request tracing events"
depends on [31mCONFIG_DRM_I915[0m
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".
config [31mCONFIG_DRM_I915_DEBUG_VBLANK_EVADE[0m
bool "Enable extra debug warnings for vblank evasion"
depends on [31mCONFIG_DRM_I915[0m
default n
help
Choose this option to turn on extra debug warnings for the
vblank evade mechanism. This gives a warning every time the
the deadline allotted for the vblank evade critical section
is exceeded, even if there isn't an actual risk of missing
the vblank.
If in doubt, say "N".
config [31mCONFIG_DRM_I915_DEBUG_RUNTIME_PM[0m
bool "Enable extra state checking for runtime PM"
depends on [31mCONFIG_DRM_I915[0m
default n
select [31mCONFIG_STACKDEPOT[0m
help
Choose this option to turn on extra state checking for the
runtime [31mCONFIG_PM[0m functionality. This may introduce overhead during
driver loading, suspend and resume operations.
If in doubt, say "N"