| 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_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". |