drm/radeon: fix possible lack of synchronization btw ttm and other ring
We need to sync with the GFX ring as ttm might have schedule bo move
on it and new command scheduled for other ring need to wait for bo
data to be in place.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index c66beb1..289b0d7 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -122,15 +122,15 @@
int i, r;
for (i = 0; i < p->nrelocs; i++) {
+ struct radeon_fence *fence;
+
if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj)
continue;
- if (!(p->relocs[i].flags & RADEON_RELOC_DONT_SYNC)) {
- struct radeon_fence *fence = p->relocs[i].robj->tbo.sync_obj;
- if (fence->ring != p->ring && !radeon_fence_signaled(fence)) {
- sync_to_ring[fence->ring] = true;
- need_sync = true;
- }
+ fence = p->relocs[i].robj->tbo.sync_obj;
+ if (fence->ring != p->ring && !radeon_fence_signaled(fence)) {
+ sync_to_ring[fence->ring] = true;
+ need_sync = true;
}
}