From: Kevin Liu <redacted>
Date: Thu, 11 Jun 2026 13:43:04 +0000 (-0400)
Subject: vulkan: use medium matmul tile on Asahi Linux (llama/24306)
X-Git-Tag: upstream/1.9.2~207
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=a512e4c5c3adf375239e83410dffb31bff8b2a7f;p=pkg%2Fggml%2Fsources%2Fwhisper.cpp

vulkan: use medium matmul tile on Asahi Linux (llama/24306)

* vulkan: use medium matmul tile on Asahi Linux

* vulkan: switch Apple detection to Honeykrisp driver id
---

diff --git a/ggml/src/ggml-vulkan/ggml-vulkan.cpp b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
index 387826b6..47533c2b 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan.cpp
+++ b/ggml/src/ggml-vulkan/ggml-vulkan.cpp
@@ -6202,6 +6202,17 @@ static vk_device ggml_vk_get_device(size_t idx) {
                 break;
             }
 
+            // Honeykrisp driver for Asahi Linux doesn't report VK_VENDOR_ID_APPLE.
+            // Check for Honeykrisp driver and force same configuration as the VK_VENDOR_ID_APPLE case.
+            if (device->driver_id == vk::DriverId::eMesaHoneykrisp) {
+                device->mul_mat_l[i] = false;
+                device->mul_mat_m[i] = true;
+                device->mul_mat_s[i] = false;
+                device->mul_mat_id_l[i] = false;
+                device->mul_mat_id_m[i] = true;
+                device->mul_mat_id_s[i] = false;
+            }
+
             device->mul_mat_l_int[i]    = device->mul_mat_l[i];
             device->mul_mat_m_int[i]    = device->mul_mat_m[i];
             device->mul_mat_s_int[i]    = device->mul_mat_s[i];