From 1ef43a0be7056f8d0e21e89d94e08a4cc23d6240 Mon Sep 17 00:00:00 2001
From: Danylo Piliaiev <dpiliaiev@igalia.com>
Date: Fri, 8 Oct 2021 18:30:11 +0300
Subject: [PATCH] freedreno/ir3: disallow immediate addr/offset for ldg/ldg.a

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13300>
---
 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 e5750827304..1b5908c8b57 100644
--- a/src/freedreno/ir3/ir3.c
+++ b/src/freedreno/ir3/ir3.c
@@ -953,6 +953,12 @@ ir3_valid_flags(struct ir3_instruction *instr, unsigned n, unsigned flags)
          if (instr->opc == OPC_STG_A && (n == 4))
             return false;
 
+         if (instr->opc == OPC_LDG && (n == 0))
+            return false;
+
+         if (instr->opc == OPC_LDG_A && (n < 2))
+            return false;
+
          /* as with atomics, these cat6 instrs can only have an immediate
           * for SSBO/IBO slot argument
           */