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Commit 925c1e7f authored by Bruno Prémont's avatar Bruno Prémont Committed by Rob Clark
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drm/msm: Do not BUG_ON(!spin_is_locked()) on UP 



On !SMP systems spinlocks do not exist. Thus checking of they
are active will always fail.

Use
  assert_spin_locked(lock);
instead of
  BUG_ON(!spin_is_locked(lock));
to not BUG() on all UP systems.

Signed-off-by: default avatarBruno Prémont <bonbons@linux-vserver.org>
[robclark: drop stray ')']
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent 475ac0a1

drivers/gpu/drm/msm/mdp/mdp_kms.c

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ static void update_irq(struct mdp_kms *mdp_kms) 
	struct mdp_irq *irq;

	uint32_t irqmask = mdp_kms->vblank_mask;



	BUG_ON(!spin_is_locked(&list_lock));

	assert_spin_locked(&list_lock);



	list_for_each_entry(irq, &mdp_kms->irq_list, node)

		irqmask |= irq->irqmask;