From 050acb9def3f03a3a72d07a40a739eb66fdbadb0 Mon Sep 17 00:00:00 2001
From: Caio Oliveira <caio.oliveira@intel.com>
Date: Fri, 28 Mar 2025 11:40:43 -0700
Subject: [PATCH] intel: Disable has_bfloat16 for MTL

Not supported.  Some operations *do* work, but proper support
was removed since it also doesn't support DPAS.

Fixes: 9916cc1050b ("brw: Add BRW_TYPE_BF for bfloat16")
Reviewed-by: Rohan Garg <rohan.garg@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34506>
---
 src/intel/dev/intel_device_info.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/intel/dev/intel_device_info.c b/src/intel/dev/intel_device_info.c
index 131242cd06e..5265ce4bb74 100644
--- a/src/intel/dev/intel_device_info.c
+++ b/src/intel/dev/intel_device_info.c
@@ -1105,6 +1105,7 @@ static const struct intel_device_info intel_device_info_atsm_g11 = {
    .platform = INTEL_PLATFORM_ ## platform_suffix,              \
    .has_64bit_float = true,                                     \
    .has_64bit_float_via_math_pipe = true,                       \
+   .has_bfloat16 = false,                                       \
    /* BSpec 55414 (r53716). */                                  \
    .has_systolic = false,                                       \
    /* BSpec 45101 (r51017) */                                   \
@@ -1133,6 +1134,7 @@ static const struct intel_device_info intel_device_info_arl_u = {
 
 static const struct intel_device_info intel_device_info_arl_h = {
    MTL_CONFIG(ARL_H),
+   .has_bfloat16 = true,
    /* BSpec 55414 (r53716). */
    .has_systolic = true,
 };