diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-09-07 13:32:12 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-09-07 17:26:33 +0100 |
commit | aca0bf6387c159a3d54dbbe52dd65fd92df98216 (patch) | |
tree | b343096ee60f5032f33858c2ca3bf6d29b5b9b95 /src | |
parent | 57bf3d5f0fb4429b0991ad6f22000348820f5bd1 (diff) |
sna/gen2: Fallback to kernel batch w/a rather than incur a stall
If we have no pinned batches available, use the kernel w/a if available
rather than stall waiting for an active batch.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
-rw-r--r-- | src/sna/kgem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/sna/kgem.c b/src/sna/kgem.c index 6d4e074d..aff08931 100644 --- a/src/sna/kgem.c +++ b/src/sna/kgem.c @@ -3118,6 +3118,15 @@ out_16384: if (bo) return bo; + /* Nothing available for reuse, rely on the kernel wa */ + if (kgem->has_pinned_batches) { + bo = kgem_create_linear(kgem, size, CREATE_CACHED | CREATE_TEMPORARY); + if (bo) { + kgem->batch_flags &= ~LOCAL_I915_EXEC_IS_PINNED; + return bo; + } + } + if (size < 16384) { bo = list_first_entry(&kgem->pinned_batches[size > 4096], struct kgem_bo, |