From 147b792cc35018b7324dfe5d006ec43805b78cf0 Mon Sep 17 00:00:00 2001
From: Andrzej Janik <vosen@vosen.pl>
Date: Thu, 18 Sep 2025 17:33:47 +0000
Subject: [PATCH] Advertise mempool handles as unsupported, return something
 for double/float ratio

---
 zluda/src/impl/device.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/zluda/src/impl/device.rs b/zluda/src/impl/device.rs
index dab15a9..ed8bb8c 100644
--- a/zluda/src/impl/device.rs
+++ b/zluda/src/impl/device.rs
@@ -89,8 +89,14 @@ pub(crate) fn get_attribute(
             *pi = 32;
             return Ok(());
         }
+        // TODO: maintain a table, certain RDNAs are 1/16, some are 1/32
+        CUdevice_attribute::CU_DEVICE_ATTRIBUTE_SINGLE_TO_DOUBLE_PRECISION_PERF_RATIO => {
+            *pi = 32;
+            return Ok(());
+        }
         CUdevice_attribute::CU_DEVICE_ATTRIBUTE_TCC_DRIVER
         | CUdevice_attribute::CU_DEVICE_ATTRIBUTE_MEMORY_POOLS_SUPPORTED
+        | CUdevice_attribute::CU_DEVICE_ATTRIBUTE_MEMPOOL_SUPPORTED_HANDLE_TYPES
         | CUdevice_attribute::CU_DEVICE_ATTRIBUTE_DMA_BUF_SUPPORTED => {
             *pi = 0;
             return Ok(());
@@ -213,9 +219,6 @@ pub(crate) fn get_attribute(
         CUdevice_attribute::CU_DEVICE_ATTRIBUTE_MAX_PERSISTING_L2_CACHE_SIZE => {
             return get_device_prop(pi, dev_idx, |props| props.persistingL2CacheMaxSize)
         }
-        CUdevice_attribute::CU_DEVICE_ATTRIBUTE_SINGLE_TO_DOUBLE_PRECISION_PERF_RATIO => {
-            return get_device_prop(pi, dev_idx, |props| props.singleToDoublePrecisionPerfRatio)
-        }
         CUdevice_attribute::CU_DEVICE_ATTRIBUTE_MAX_ACCESS_POLICY_WINDOW_SIZE => {
             return get_device_prop(pi, dev_idx, |props| props.accessPolicyMaxWindowSize)
         }