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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-07-02 10:52:19 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-07-02 12:30:24 +0100 |
| commit | 8f125dafb390162723884510af074a3ef0dc667a (patch) | |
| tree | b95260540bcc1176a3542292f1e596e5525fd96e /drivers/gpu/drm/i915/gt | |
| parent | drm/i915/gt: Harden the heartbeat against a stuck driver (diff) | |
| download | linux-dev-8f125dafb390162723884510af074a3ef0dc667a.tar.xz linux-dev-8f125dafb390162723884510af074a3ef0dc667a.zip | |
drm/i915/gt: Move the heartbeat into the high priority system wq
As we ensure that the heartbeat is reasonably fast (and should not
block), move the heartbeat work into the system_highpri_wq to avoid
having this essential task be blocked behind other slow work, such as
our own retire_work_handler.
References: https://gitlab.freedesktop.org/drm/intel/-/issues/2119
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200702095219.963-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c index 1c6c6692dd17..8ffdf676c0a0 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c @@ -32,7 +32,7 @@ static bool next_heartbeat(struct intel_engine_cs *engine) delay = msecs_to_jiffies_timeout(delay); if (delay >= HZ) delay = round_jiffies_up_relative(delay); - mod_delayed_work(system_wq, &engine->heartbeat.work, delay); + mod_delayed_work(system_highpri_wq, &engine->heartbeat.work, delay); return true; } |