From b53dc3f0529c4eff362b8694167c9b1a8df96412 Mon Sep 17 00:00:00 2001
From: Natalie Vock <natalie.vock@gmx.de>
Date: Tue, 7 Apr 2026 12:17:13 +0200
Subject: [PATCH] aco/lower_to_hw_instr: Run p_init_scratch if the program has
 a call

Callees may use scratch even if the caller doesn't.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40008>
---
 src/amd/compiler/aco_lower_to_hw_instr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_lower_to_hw_instr.cpp b/src/amd/compiler/aco_lower_to_hw_instr.cpp
index 57c201b4867..09a8a6ee02e 100644
--- a/src/amd/compiler/aco_lower_to_hw_instr.cpp
+++ b/src/amd/compiler/aco_lower_to_hw_instr.cpp
@@ -2746,7 +2746,7 @@ lower_to_hw_instr(Program* program)
             }
             case aco_opcode::p_init_scratch: {
                assert(program->gfx_level >= GFX8 && program->gfx_level <= GFX10_3);
-               if (!program->config->scratch_bytes_per_wave)
+               if (!program->config->scratch_bytes_per_wave && !program->has_call)
                   break;
 
                Operand scratch_addr = instr->operands[0];