int radeon_ib_get(struct radeon_device *rdev, int ring,
struct radeon_ib *ib, unsigned size)
{
int r;
r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, &ib->sa_bo, size, 256, true);
if (r) {
dev_err(rdev->dev, "failed to get a new IB (%d)\n", r);
return r;
}
r = radeon_fence_create(rdev, &ib->fence, ring);
if (r) {
dev_err(rdev->dev, "failed to create fence for new IB (%d)\n", r);
radeon_sa_bo_free(rdev, &ib->sa_bo, NULL);
return r;
}
ib->ptr = radeon_sa_bo_cpu_addr(ib->sa_bo);
ib->gpu_addr = radeon_sa_bo_gpu_addr(ib->sa_bo);
ib->vm_id = 0;
ib->is_const_ib = false;
ib->semaphore = NULL;
return 0;
}
/*
* IB.
*/
bool radeon_ib_try_free(struct radeon_device *rdev, struct radeon_ib *ib)
{
bool done = false;
/* only free ib which have been emited */
if (ib->fence && ib->fence->emitted) {
if (radeon_fence_signaled(ib->fence)) {
radeon_fence_unref(&ib->fence);
radeon_sa_bo_free(rdev, &ib->sa_bo);
done = true;
}
}
return done;
}
void radeon_semaphore_free(struct radeon_device *rdev,
struct radeon_semaphore **semaphore,
struct radeon_fence *fence)
{
if (semaphore == NULL || *semaphore == NULL) {
return;
}
if ((*semaphore)->waiters > 0) {
dev_err(rdev->dev, "semaphore %p has more waiters than signalers,"
" hardware lockup imminent!\n", *semaphore);
}
radeon_sa_bo_free(rdev, &(*semaphore)->sa_bo, fence);
free(*semaphore, DRM_MEM_DRIVER);
*semaphore = NULL;
}
/**
* radeon_ib_free - free an IB (Indirect Buffer)
*
* @rdev: radeon_device pointer
* @ib: IB object to free
*
* Free an IB (all asics).
*/
void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
{
radeon_semaphore_free(rdev, &ib->semaphore, ib->fence);
radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence);
radeon_fence_unref(&ib->fence);
}
