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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-25 16:27:37 +0000 |
|---|---|---|
| committer |   Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-11-27 10:12:14 +0200 |
| commit | 8d15ede5cc6b66d5176856060b94196bc3382283 (patch) | |
| tree | 99a9d622b106350d321b5ebd39361f1183163d90 /drivers/gpu/drm/i915/Kconfig.profile | |
| parent | drm/i915/gt: Make intel_ring_unpin() safe for concurrent pint (diff) | |
| download | linux-dev-8d15ede5cc6b66d5176856060b94196bc3382283.tar.xz linux-dev-8d15ede5cc6b66d5176856060b94196bc3382283.zip | |
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
(cherry picked from commit 5766a5ffc6a69595903865518c43636bde0e4ac4)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/Kconfig.profile')
| -rw-r--r-- | drivers/gpu/drm/i915/Kconfig.profile | 2 |
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 |