Mesa (main): zink: Use p_atomic_fetch_add

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Module: Mesa
Branch: main
Commit: 4845bc7072976340b1ddab66f0bd03cc04c6ef0d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4845bc7072976340b1ddab66f0bd03cc04c6ef0d

Author: Jesse Natalie <jenatali at microsoft.com>
Date:   Fri Jul  8 12:32:33 2022 -0700

zink: Use p_atomic_fetch_add

Reviewed-by: Yonggang Luo <luoyonggang at gmail.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17529>

---

 src/gallium/drivers/zink/zink_bo.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/gallium/drivers/zink/zink_bo.c b/src/gallium/drivers/zink/zink_bo.c
index 846214cd3be..d4e739bb3f3 100644
--- a/src/gallium/drivers/zink/zink_bo.c
+++ b/src/gallium/drivers/zink/zink_bo.c
@@ -1218,12 +1218,7 @@ bo_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_ind
 
    list_inithead(&slab->base.free);
 
-#ifdef _MSC_VER
-   /* C11 too hard for msvc, no __sync_fetch_and_add */
-   base_id = p_atomic_add_return(&screen->pb.next_bo_unique_id, slab->base.num_entries) - slab->base.num_entries;
-#else
-   base_id = __sync_fetch_and_add(&screen->pb.next_bo_unique_id, slab->base.num_entries);
-#endif
+   base_id = p_atomic_fetch_add(&screen->pb.next_bo_unique_id, slab->base.num_entries);
    for (unsigned i = 0; i < slab->base.num_entries; ++i) {
       struct zink_bo *bo = &slab->entries[i];