From 031b61244930b6c94ea1dd36d093840be0316c2a Mon Sep 17 00:00:00 2001
From: Connor Abbott <cwabbott0@gmail.com>
Date: Thu, 29 Feb 2024 12:16:46 -0500
Subject: [PATCH] ir3: Add scan_clusters_macro to ir3_valid_flags()

Fixes: 60413e1 ("ir3: optimize subgroup operations using brcst.active")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22075>
---
 src/freedreno/ir3/ir3.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/freedreno/ir3/ir3.c b/src/freedreno/ir3/ir3.c
index 415c6abbc0e..66479bd68a2 100644
--- a/src/freedreno/ir3/ir3.c
+++ b/src/freedreno/ir3/ir3.c
@@ -1098,6 +1098,12 @@ ir3_valid_flags(struct ir3_instruction *instr, unsigned n, unsigned flags)
       case OPC_SCAN_MACRO:
          return flags == 0;
          break;
+      case OPC_SCAN_CLUSTERS_MACRO:
+         if (n == 0)
+            return flags == IR3_REG_SHARED;
+         else
+            return flags == 0;
+         break;
       default:
          valid_flags =
             IR3_REG_IMMED | IR3_REG_CONST | IR3_REG_RELATIV | IR3_REG_SHARED;