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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-09 13:50:21 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-09 14:57:57 +0300 |
| commit | 16dc224f1c0ff8d242ef41c40d4da0264d351daa (patch) | |
| tree | ef0077954880911667fd0b725c46111e892945dc /drivers/gpu/drm/i915/Kconfig.profile | |
| parent | fcae496153a3ce719082746a01c81dd581e7a239 (diff) | |
| download | linux-16dc224f1c0ff8d242ef41c40d4da0264d351daa.tar.xz | |
drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT
Expose the hardcoded timeout for unsignaled foreign fences as a Kconfig
option, primarily to allow brave systems to disable the timeout and
solely rely on correct signaling.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200509105021.12542-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.profile')
| -rw-r--r-- | drivers/gpu/drm/i915/Kconfig.profile | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile index 0bfd276c19fe..35bbe2b80596 100644 --- a/drivers/gpu/drm/i915/Kconfig.profile +++ b/drivers/gpu/drm/i915/Kconfig.profile @@ -1,3 +1,15 @@ +config DRM_I915_FENCE_TIMEOUT + int "Timeout for unsignaled foreign fences (ms, jiffy granularity)" + default 10000 # milliseconds + help + When listening to a foreign fence, we install a supplementary timer + to ensure that we are always signaled and our userspace is able to + make forward progress. This value specifies the timeout used for an + unsignaled foreign fence. + + May be 0 to disable the timeout, and rely on the foreign fence being + eventually signaled. + config DRM_I915_USERFAULT_AUTOSUSPEND int "Runtime autosuspend delay for userspace GGTT mmaps (ms)" default 250 # milliseconds |