From 90857262dac44406f5b9a0047ff3b070bc38ba80 Mon Sep 17 00:00:00 2001
From: Iago Toral Quiroga <itoral@igalia.com>
Date: Mon, 19 Sep 2022 08:54:04 +0200
Subject: [PATCH] broadcom/compiler: detect unifa write from signal
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It is possible for some signals to write to unifa directly. We will
enable this from ldunif shortly so we should check for it here.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18667>
---
 src/broadcom/qpu/qpu_instr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/broadcom/qpu/qpu_instr.c b/src/broadcom/qpu/qpu_instr.c
index c661b98b7eb..a89999e3591 100644
--- a/src/broadcom/qpu/qpu_instr.c
+++ b/src/broadcom/qpu/qpu_instr.c
@@ -773,6 +773,12 @@ v3d_qpu_writes_unifa(const struct v3d_device_info *devinfo,
                     inst->alu.mul.waddr == V3D_QPU_WADDR_UNIFA) {
                         return true;
                 }
+
+                if (v3d_qpu_sig_writes_address(devinfo, &inst->sig) &&
+                    inst->sig_magic &&
+                    inst->sig_addr == V3D_QPU_WADDR_UNIFA) {
+                        return true;
+                }
         }
 
         return false;