diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-24 13:55:41 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-24 15:02:39 +0000 |
| commit | 66e40750d2410bde862157cca6768a684984fb28 (patch) | |
| tree | f4027c8721093a7beccc4bfe114d6207e67e9393 /drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h | |
| parent | bab0557c8dca97b651a09a987337dbb55945d534 (diff) | |
drm/i915/gt: Shrink the critical section for irq signaling
Let's only wait for the list iterator when decoupling the virtual
breadcrumb, as the signaling of all the requests may take a long time,
during which we do not want to keep the tasklet spinning.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201224135544.1713-6-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h b/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h index d85a6f74fb87..3a084ce8ff5e 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h @@ -34,6 +34,7 @@ struct intel_breadcrumbs { spinlock_t signalers_lock; /* protects the list of signalers */ struct list_head signalers; struct llist_head signaled_requests; + atomic_t signaler_active; spinlock_t irq_lock; /* protects the interrupt from hardirq context */ struct irq_work irq_work; /* for use from inside irq_lock */ |