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_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".