From 8fda488aecb537e342d13ff7f36136baa00c18af Mon Sep 17 00:00:00 2001
From: Mary Guillemard <mary.guillemard@collabora.com>
Date: Thu, 2 May 2024 15:58:52 +0200
Subject: [PATCH] nak: Set SPH version to 4 on SM75+

The hardware doesn't check it but we should avoid possible mismatch.

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29034>
---
 src/nouveau/compiler/nak/sph.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nouveau/compiler/nak/sph.rs b/src/nouveau/compiler/nak/sph.rs
index c7e0f2f9793..96c05e36e47 100644
--- a/src/nouveau/compiler/nak/sph.rs
+++ b/src/nouveau/compiler/nak/sph.rs
@@ -110,7 +110,7 @@ impl ShaderProgramHeader {
             1
         };
 
-        let sph_version = 3;
+        let sph_version = if sm >= 75 { 4 } else { 3 };
         res.set_sph_type(sph_type, sph_version);
         res.set_shader_type(shader_type);