From 83f905919b965bdf0eaec51397a1f525eee21882 Mon Sep 17 00:00:00 2001
From: Concedo <39025047+LostRuins@users.noreply.github.com>
Date: Sat, 14 Feb 2026 11:36:52 +0800
Subject: [PATCH] flash attention is broken on qwen image edit. disabled
 conditioner to fix (+1 squashed commits)

Squashed commits:

[1b705cb6e] flash attention is broken on qwen image edit. disabled conditioner to fix
---
 otherarch/sdcpp/stable-diffusion.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/otherarch/sdcpp/stable-diffusion.cpp b/otherarch/sdcpp/stable-diffusion.cpp
index ef9e0822c..4f8770d1a 100644
--- a/otherarch/sdcpp/stable-diffusion.cpp
+++ b/otherarch/sdcpp/stable-diffusion.cpp
@@ -863,7 +863,10 @@ public:
 
             if (sd_ctx_params->flash_attn) {
                 LOG_INFO("Using flash attention");
-                cond_stage_model->set_flash_attention_enabled(true);
+                if(!sd_version_is_qwen_image(version)) //kcpp: edit 14feb, breaks qwen image edit
+                {
+                    cond_stage_model->set_flash_attention_enabled(true);
+                }
                 if (clip_vision) {
                     clip_vision->set_flash_attention_enabled(true);
                 }