| 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 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_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_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". |
| |
| 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". |
