diff --git a/src/nouveau/vulkan/nvk_physical_device.c b/src/nouveau/vulkan/nvk_physical_device.c
index 21da7f047ba..22cd45d8394 100644
--- a/src/nouveau/vulkan/nvk_physical_device.c
+++ b/src/nouveau/vulkan/nvk_physical_device.c
@@ -626,12 +626,6 @@ nvk_get_device_features(const struct nv_device_info *info,
    };
 }
 
-uint32_t
-nvk_min_cbuf_alignment(const struct nv_device_info *info)
-{
-   return info->cls_eng3d >= TURING_A ? 64 : 256;
-}
-
 static void
 nvk_get_device_properties(const struct nvk_instance *instance,
                           const struct nv_device_info *info,
diff --git a/src/nouveau/vulkan/nvk_physical_device.h b/src/nouveau/vulkan/nvk_physical_device.h
index a329f6f35b4..382b91b89a9 100644
--- a/src/nouveau/vulkan/nvk_physical_device.h
+++ b/src/nouveau/vulkan/nvk_physical_device.h
@@ -61,7 +61,11 @@ struct nvk_physical_device {
    const struct vk_sync_type *sync_types[2];
 };
 
-uint32_t nvk_min_cbuf_alignment(const struct nv_device_info *info);
+static inline uint32_t
+nvk_min_cbuf_alignment(const struct nv_device_info *info)
+{
+   return info->cls_eng3d >= 0xC597 /* TURING_A */ ? 64 : 256;
+}
 
 VK_DEFINE_HANDLE_CASTS(nvk_physical_device,
    vk.base,