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Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.profile')
| -rw-r--r-- | drivers/gpu/drm/i915/Kconfig.profile | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile index 0e5db98da8f3..48df8889a88a 100644 --- a/drivers/gpu/drm/i915/Kconfig.profile +++ b/drivers/gpu/drm/i915/Kconfig.profile @@ -1,5 +1,19 @@ +config DRM_I915_USERFAULT_AUTOSUSPEND + int "Runtime autosuspend delay for userspace GGTT mmaps (ms)" + default 250 # milliseconds + help + On runtime suspend, as we suspend the device, we have to revoke + userspace GGTT mmaps and force userspace to take a pagefault on + their next access. The revocation and subsequent recreation of + the GGTT mmap can be very slow and so we impose a small hysteris + that complements the runtime-pm autosuspend and provides a lower + floor on the autosuspend delay. + + May be 0 to disable the extra delay and solely use the device level + runtime pm autosuspend delay tunable. + config DRM_I915_SPIN_REQUEST - int + int "Busywait for request completion (us)" default 5 # microseconds help Before sleeping waiting for a request (GPU operation) to complete, |