diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-03-21 10:55:11 +0000 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-03-21 15:04:55 +0000 |
| commit | 9f7886d07f36f9be23c9bcc526b7f9dae65db8c5 (patch) | |
| tree | 79c08a20d69705afd966ac99d69d8a65f7f6f1d6 /drivers/gpu/drm/i915/i915_guc_submission.c | |
| parent | fe085f13c7901203445fd2ab26c0f499313b8258 (diff) | |
| download | op-kernel-dev-9f7886d07f36f9be23c9bcc526b7f9dae65db8c5.zip op-kernel-dev-9f7886d07f36f9be23c9bcc526b7f9dae65db8c5.tar.gz | |
drm/i915: Spinlocks in tasklets can use spin_(un)lock_irq
The tasklets callbacks are only called from tasklet context so
it is safe do to this.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170321105511.18269-1-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_guc_submission.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_submission.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 7a78e12..055467a 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -573,7 +573,6 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine) { struct execlist_port *port = engine->execlist_port; struct drm_i915_gem_request *last = port[0].request; - unsigned long flags; struct rb_node *rb; bool submit = false; @@ -589,7 +588,7 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine) if (!READ_ONCE(engine->execlist_first)) return false; - spin_lock_irqsave(&engine->timeline->lock, flags); + spin_lock_irq(&engine->timeline->lock); rb = engine->execlist_first; while (rb) { struct drm_i915_gem_request *rq = @@ -619,7 +618,7 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine) nested_enable_signaling(last); engine->execlist_first = rb; } - spin_unlock_irqrestore(&engine->timeline->lock, flags); + spin_unlock_irq(&engine->timeline->lock); return submit; } |
