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authorChris Wilson <chris@chris-wilson.co.uk>2019-11-25 19:27:37 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2019-11-26 12:38:44 +0300
commit5766a5ffc6a69595903865518c43636bde0e4ac4 (patch)
tree6c080757bf1de800831a14b2872fd6a531147564 /drivers/gpu/drm/i915/Kconfig.profile
parent34f5fe1243f072d9a10065a06d4b421f01636c09 (diff)
downloadlinux-5766a5ffc6a69595903865518c43636bde0e4ac4.tar.xz
drm/i915: Default to a more lenient forced preemption timeout
Based on a sampling of a number of benchmarks across platforms, by default opt for a much more lenient timeout so that we should not adversely affect existing "good" clients. 640ms ought to be enough for anyone. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112169 Fixes: 3a7a92aba8fb ("drm/i915/execlists: Force preemption") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Eero Tamminen <eero.t.tamminen@intel.com> Cc: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191125162737.2161069-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.profile')
-rw-r--r--drivers/gpu/drm/i915/Kconfig.profile2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile
index 1799537a3228..c280b6ae38eb 100644
--- a/drivers/gpu/drm/i915/Kconfig.profile
+++ b/drivers/gpu/drm/i915/Kconfig.profile
@@ -25,7 +25,7 @@ config DRM_I915_HEARTBEAT_INTERVAL
config DRM_I915_PREEMPT_TIMEOUT
int "Preempt timeout (ms, jiffy granularity)"
- default 100 # milliseconds
+ default 640 # milliseconds
help
How long to wait (in milliseconds) for a preemption event to occur
when submitting a new context via execlists. If the current context