From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/i915/Kconfig.debug | 169 +++++++++++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 drivers/gpu/drm/i915/Kconfig.debug (limited to 'drivers/gpu/drm/i915/Kconfig.debug') diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug new file mode 100644 index 000000000..459f8f88a --- /dev/null +++ b/drivers/gpu/drm/i915/Kconfig.debug @@ -0,0 +1,169 @@ +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 DEBUG_FS + 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 STACKDEPOT if DRM=y # for DRM_DEBUG_MM + select DRM_DEBUG_SELFTEST + select SW_SYNC # signaling validation framework (igt/syncobj*) + 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_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_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 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_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. + + 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. + + If in doubt, say "N". -- cgit v1.2.3