sna: Mollify an assert to allow us to call busy_ioctl on a GTT write

The code was being careful in making sure that only a BO with an
outstanding GPU write was being flushed. We need to relax that
assertion to allow us to call busy_ioctl after only GTT writes.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/sna/kgem.h b/src/sna/kgem.h
index b7355d47..aa8097a4 100644
--- a/src/sna/kgem.h
+++ b/src/sna/kgem.h
@@ -338,10 +338,15 @@ static inline void kgem_bo_flush(struct kgem *kgem, struct kgem_bo *bo)
 		return;
 
 	/* If the kernel fails to emit the flush, then it will be forced when
-	 * we assume direct access. And as the useual failure is EIO, we do
-	 * not actualy care.
+	 * we assume direct access. And as the usual failure is EIO, we do
+	 * not actually care.
 	 */
 	__kgem_flush(kgem, bo);
+
+	/* Whatever actually happens, we can regard the GTT write domain
+	 * as being flushed.
+	 */
+	bo->gtt_dirty = false;
 }
 
 static inline struct kgem_bo *kgem_bo_reference(struct kgem_bo *bo)