/**
* radeon_ib_pool_init - Init the IB (Indirect Buffer) pool
*
* @rdev: radeon_device pointer
*
* Initialize the suballocator to manage a pool of memory
* for use as IBs (all asics).
* Returns 0 on success, error on failure.
*/
int radeon_ib_pool_init(struct radeon_device *rdev)
{
int r;
if (rdev->ib_pool_ready) {
return 0;
}
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GEM_DOMAIN_GTT);
if (r) {
return r;
}
r = radeon_sa_bo_manager_start(rdev, &rdev->ring_tmp_bo);
if (r) {
return r;
}
rdev->ib_pool_ready = true;
if (radeon_debugfs_sa_init(rdev)) {
dev_err(rdev->dev, "failed to register debugfs file for SA\n");
}
return 0;
}
int radeon_ib_pool_start(struct radeon_device *rdev)
{
return radeon_sa_bo_manager_start(rdev, &rdev->ring_tmp_bo);
}