pan/va: Make subgroup 4-bits

Future proofing.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15069>

diff --git a/src/panfrost/bifrost/valhall/valhall.py b/src/panfrost/bifrost/valhall/valhall.py
index c583244..eab9982 100644 (file)
--- a/src/panfrost/bifrost/valhall/valhall.py
+++ b/src/panfrost/bifrost/valhall/valhall.py
@@ -354,7 +354,7 @@ MODIFIERS = {
     "clamp": Modifier("clamp", 32, 2),
     "sr_count": Modifier("staging_register_count", 33, 3, implied = True),
 
-    "subgroup": Modifier("subgroup_size", 36, 2),
+    "subgroup": Modifier("subgroup_size", 36, 4),
     "update": Modifier("update_mode", 36, 2),
     "sample": Modifier("sample_mode", 38, 2),
 }