drm/radeon: add sync helper function
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 0a9d1eb..85a80e4 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -115,19 +115,27 @@
return 0;
}
+static void radeon_cs_sync_to(struct radeon_cs_parser *p,
+ struct radeon_fence *fence)
+{
+ struct radeon_fence *other;
+
+ if (!fence)
+ return;
+
+ other = p->ib.sync_to[fence->ring];
+ p->ib.sync_to[fence->ring] = radeon_fence_later(fence, other);
+}
+
static void radeon_cs_sync_rings(struct radeon_cs_parser *p)
{
int i;
for (i = 0; i < p->nrelocs; i++) {
- struct radeon_fence *a, *b;
-
- if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj)
+ if (!p->relocs[i].robj)
continue;
- a = p->relocs[i].robj->tbo.sync_obj;
- b = p->ib.sync_to[a->ring];
- p->ib.sync_to[a->ring] = radeon_fence_later(a, b);
+ radeon_cs_sync_to(p, p->relocs[i].robj->tbo.sync_obj);
}
}