Mesa (main): iris: Tidy code in iris_use_pinned_bo a bit

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Module: Mesa
Branch: main
Commit: 3b78f175323f1db5ae28da264d5761bebb4f7052
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3b78f175323f1db5ae28da264d5761bebb4f7052

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Mon Nov 15 19:14:01 2021 -0800

iris: Tidy code in iris_use_pinned_bo a bit

Now that we aren't short-circuiting most of the code, we should probably
reorganize it a little bit.  Tagged with fixes just so we pull all the
refactors together as one group.

Fixes: b21e916a628 ("iris: Combine iris_use_pinned_bo and add_exec_bo")
Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13808>

---

 src/gallium/drivers/iris/iris_batch.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/src/gallium/drivers/iris/iris_batch.c b/src/gallium/drivers/iris/iris_batch.c
index da4a9863c99..0e78c834e0c 100644
--- a/src/gallium/drivers/iris/iris_batch.c
+++ b/src/gallium/drivers/iris/iris_batch.c
@@ -360,20 +360,17 @@ iris_use_pinned_bo(struct iris_batch *batch,
 
    int existing_index = find_exec_index(batch, bo);
 
-   if (existing_index != -1) {
-      /* The BO is already in the list; mark it writable */
-      if (writable && !BITSET_TEST(batch->bos_written, existing_index)) {
-         BITSET_SET(batch->bos_written, existing_index);
-         flush_for_cross_batch_dependencies(batch, bo, writable);
-      }
-
-      return;
-   }
+   if (existing_index == -1) {
+      flush_for_cross_batch_dependencies(batch, bo, writable);
 
-   flush_for_cross_batch_dependencies(batch, bo, writable);
+      ensure_exec_obj_space(batch, 1);
+      add_bo_to_batch(batch, bo, writable);
+   } else if (writable && !BITSET_TEST(batch->bos_written, existing_index)) {
+      flush_for_cross_batch_dependencies(batch, bo, writable);
 
-   ensure_exec_obj_space(batch, 1);
-   add_bo_to_batch(batch, bo, writable);
+      /* The BO is already in the list; mark it writable */
+      BITSET_SET(batch->bos_written, existing_index);
+   }
 }
 
 static void