Mesa (master): panfrost: Fix BO reference counting

[GitLab Mirror]

Module: Mesa
Branch: master
Commit: e3062edff42a3afe8029c7bc36136124036d3053
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e3062edff42a3afe8029c7bc36136124036d3053

Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date:   Tue Apr 28 15:28:11 2020 -0400

panfrost: Fix BO reference counting

Typo.

Fixes: 3283c7f4dad ("panfrost: Inline reference counting routines")
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4792>

---

 src/panfrost/encoder/pan_bo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/panfrost/encoder/pan_bo.c b/src/panfrost/encoder/pan_bo.c
index 9e5ea7ed21e..32fc84e1363 100644
--- a/src/panfrost/encoder/pan_bo.c
+++ b/src/panfrost/encoder/pan_bo.c
@@ -482,7 +482,7 @@ panfrost_bo_import(struct panfrost_device *dev, int fd)
                 panfrost_bo_mmap(newbo);
         } else {
                 ralloc_free(newbo);
-                /* bo->refcnt != 0 can happen if the BO
+                /* bo->refcnt == 0 can happen if the BO
                  * was being released but panfrost_bo_import() acquired the
                  * lock before panfrost_bo_unreference(). In that case, refcnt
                  * is 0 and we can't use panfrost_bo_reference() directly, we
@@ -492,7 +492,7 @@ panfrost_bo_import(struct panfrost_device *dev, int fd)
                  * make sure the object is not freed if panfrost_bo_import()
                  * acquired it in the meantime.
                  */
-                if (p_atomic_read(&bo->refcnt))
+                if (p_atomic_read(&bo->refcnt) == 0)
                         p_atomic_set(&newbo->refcnt, 1);
                 else
                         panfrost_bo_reference(bo);