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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/i915/Kconfig.debug
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.debug')
-rw-r--r--drivers/gpu/drm/i915/Kconfig.debug241
1 files changed, 241 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
new file mode 100644
index 000000000..47e845353
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -0,0 +1,241 @@
+# SPDX-License-Identifier: GPL-2.0-only
+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
+ depends on EXPERT # only for developers
+ depends on !COMPILE_TEST # never built by robots
+ select DEBUG_FS
+ select PREEMPT_COUNT
+ select I2C_CHARDEV
+ select STACKDEPOT
+ 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_EXPORT_FOR_TESTS if m
+ select DRM_DEBUG_SELFTEST
+ select DMABUF_SELFTESTS
+ select SW_SYNC # signaling validation framework (igt/syncobj*)
+ select DRM_I915_WERROR
+ select DRM_I915_DEBUG_GEM
+ select DRM_I915_DEBUG_GEM_ONCE
+ select DRM_I915_DEBUG_MMIO
+ select DRM_I915_DEBUG_RUNTIME_PM
+ 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_MMIO
+ 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 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_DEBUG_GEM_ONCE
+ bool "Make a GEM debug failure fatal"
+ default n
+ depends on DRM_I915_DEBUG_GEM
+ help
+ During development, we often only want the very first failure
+ as that would otherwise be lost in the deluge of subsequent
+ failures. However, more casual testers may not want to trigger
+ a hard BUG_ON and hope that the system remains sufficiently usable
+ to capture a bug report in situ.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_ERRLOG_GEM
+ bool "Insert extra logging (very verbose) for common GEM errors"
+ default n
+ depends on DRM_I915_DEBUG_GEM
+ 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 DRM_I915_TRACE_GEM
+ bool "Insert extra ftrace output from the GEM internals"
+ depends on DRM_I915_DEBUG_GEM
+ select TRACING
+ 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 DRM_I915_TRACE_GTT
+ bool "Insert extra ftrace output from the GTT internals"
+ depends on DRM_I915_DEBUG_GEM
+ select TRACING
+ 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 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_DEBUG_GUC
+ bool "Enable additional driver debugging for GuC"
+ depends on DRM_I915
+ 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 DRM_I915_SELFTEST
+ bool "Enable selftests upon driver load"
+ depends on DRM_I915
+ default n
+ select DRM_EXPORT_FOR_TESTS if m
+ select FAULT_INJECTION
+ select PRIME_NUMBERS
+ select CRC32
+ 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_SELFTEST_BROKEN
+ bool "Enable broken and dangerous selftests"
+ depends on DRM_I915_SELFTEST
+ depends on BROKEN
+ 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 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.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_VBLANK_EVADE
+ bool "Enable extra debug warnings for vblank evasion"
+ depends on DRM_I915
+ 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.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N".
+
+config DRM_I915_DEBUG_RUNTIME_PM
+ bool "Enable extra state checking for runtime PM"
+ depends on DRM_I915
+ default n
+ select STACKDEPOT
+ help
+ Choose this option to turn on extra state checking for the
+ runtime PM functionality. This may introduce overhead during
+ driver loading, suspend and resume operations.
+
+ Recommended for driver developers only.
+
+ If in doubt, say "N"