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drm/radeon: make forcing ring activity a common function

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Nothing chipset or ring specific with it,
so also move it to radon_ring.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Christian König
2012-05-02 15:11:23 +02:00
committed by Dave Airlie
parent 67e3c78768
commit 7b9ef16bd1
8 changed files with 23 additions and 56 deletions
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16
drivers/gpu/drm/radeon/radeon_ring.c
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@@ -398,6 +398,22 @@ void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *rin
mutex_unlock(&ring->mutex);
}
void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring *ring)
{
int r;
mutex_lock(&ring->mutex);
radeon_ring_free_size(rdev, ring);
if (ring->rptr == ring->wptr) {
r = radeon_ring_alloc(rdev, ring, 1);
if (!r) {
radeon_ring_write(ring, ring->nop);
radeon_ring_commit(rdev, ring);
}
}
mutex_unlock(&ring->mutex);
}
void radeon_ring_lockup_update(struct radeon_ring *ring)
{
ring->last_rptr = ring->rptr;