From e927c5004f9f6305e2269b1b1f0950bcba916ce7 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Thu, 8 Feb 2024 19:26:11 +0100
Subject: [PATCH] aco/gfx11+: disable v_pk_fmac_f16_dpp
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Public docs are apparently wrong: https://github.com/llvm/llvm-project/pull/79598#issuecomment-1933988048

Cc: mesa-stable

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27533>
---
 src/amd/compiler/aco_ir.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/compiler/aco_ir.cpp b/src/amd/compiler/aco_ir.cpp
index 1a54f7de2e4..4c2361b37e5 100644
--- a/src/amd/compiler/aco_ir.cpp
+++ b/src/amd/compiler/aco_ir.cpp
@@ -415,6 +415,9 @@ can_use_DPP(amd_gfx_level gfx_level, const aco_ptr<Instruction>& instr, bool dpp
              instr->opcode == aco_opcode::v_dot2_f32_bf16;
    }
 
+   if (instr->opcode == aco_opcode::v_pk_fmac_f16)
+      return gfx_level < GFX11;
+
    /* there are more cases but those all take 64-bit inputs */
    return instr->opcode != aco_opcode::v_madmk_f32 && instr->opcode != aco_opcode::v_madak_f32 &&
           instr->opcode != aco_opcode::v_madmk_f16 && instr->opcode != aco_opcode::v_madak_f16 &&