From ef5fc6a764954ed9ae5d9171c167f3d4884e0aa5 Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Thu, 20 Oct 2022 01:41:51 +0000
Subject: [PATCH] aco: fix tcs_wave_id unpacking on GFX11

Only the first 3 bits are useful.
Ported from ac/llvm.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19194>
---
 src/amd/compiler/aco_instruction_selection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 8df3b7db762..f2afe92ec5a 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -8444,7 +8444,7 @@ visit_intrinsic(isel_context* ctx, nir_intrinsic_instr* instr)
             /* On GFX11, RelAutoIndex is WaveID * WaveSize + ThreadID. */
             Temp wave_id =
                bld.sop2(aco_opcode::s_bfe_u32, bld.def(s1), bld.def(s1, scc),
-                        get_arg(ctx, ctx->args->ac.tcs_wave_id), Operand::c32(0u | (5u << 16)));
+                        get_arg(ctx, ctx->args->ac.tcs_wave_id), Operand::c32(0u | (3u << 16)));
 
             Temp temp = bld.sop2(aco_opcode::s_mul_i32, bld.def(s1), wave_id,
                                  Operand::c32(ctx->program->wave_size));