From af8b9af700e889366b4210082920fb94c2b679bd Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Tue, 19 Jul 2022 16:46:32 -0700
Subject: [PATCH] intel/brw/xe2+: Allow dual-source blending in SIMD16 mode.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28306>
---
 src/intel/compiler/brw_fs_visitor.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/intel/compiler/brw_fs_visitor.cpp b/src/intel/compiler/brw_fs_visitor.cpp
index 2c894789d88..923c603faaa 100644
--- a/src/intel/compiler/brw_fs_visitor.cpp
+++ b/src/intel/compiler/brw_fs_visitor.cpp
@@ -654,8 +654,12 @@ fs_visitor::emit_fb_writes()
        * dispatch on ICL due some unknown reasons, see
        * https://gitlab.freedesktop.org/mesa/mesa/-/issues/2183
        */
-      limit_dispatch_width(8, "Dual source blending unsupported "
-                           "in SIMD16 and SIMD32 modes.\n");
+      if (devinfo->ver >= 20)
+         limit_dispatch_width(16, "Dual source blending unsupported "
+                              "in SIMD32 mode.\n");
+      else
+         limit_dispatch_width(8, "Dual source blending unsupported "
+                              "in SIMD16 and SIMD32 modes.\n");
    }
 
    do_emit_fb_writes(key->nr_color_regions, replicate_alpha);