void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
struct radeon_semaphore *semaphore)
{
trace_radeon_semaphore_wait(ring, semaphore);
++semaphore->waiters;
radeon_semaphore_ring_emit(rdev, ring, &rdev->ring[ring], semaphore, true);
}
void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
struct radeon_semaphore *semaphore)
{
trace_radeon_semaphore_signale(ring, semaphore);
--semaphore->waiters;
radeon_semaphore_ring_emit(rdev, ring, &rdev->ring[ring], semaphore, false);
}
bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ridx,
struct radeon_semaphore *semaphore)
{
struct radeon_ring *ring = &rdev->ring[ridx];
trace_radeon_semaphore_wait(ridx, semaphore);
if (radeon_semaphore_ring_emit(rdev, ridx, ring, semaphore, true)) {
++semaphore->waiters;
/* for debugging lockup only, used by sysfs debug files */
ring->last_semaphore_wait_addr = semaphore->gpu_addr;
return true;
}
return false;
}