From 7c8cafb021321f3352054a1077135acb29cdac3a Mon Sep 17 00:00:00 2001
From: AITUS95 <48457684+AITUS95@users.noreply.github.com>
Date: Sat, 29 Nov 2025 20:33:18 +0100
Subject: [PATCH] Fix Voodoo1/2 LFB readback slowdown by removing FIFO
 busy-wait loop

Refactor FIFO handling to check for emptiness before waking thread.
---
 src/video/vid_voodoo.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/video/vid_voodoo.c b/src/video/vid_voodoo.c
index 47c59a0ff..856c07f10 100644
--- a/src/video/vid_voodoo.c
+++ b/src/video/vid_voodoo.c
@@ -168,10 +168,8 @@ voodoo_readw(uint32_t addr, void *priv)
         }
 
         voodoo->flush = 1;
-        while (!FIFO_EMPTY) {
+        if (!FIFO_EMPTY)
             voodoo_wake_fifo_thread_now(voodoo);
-            thread_wait_event(voodoo->fifo_not_full_event, 1);
-        }
         voodoo_wait_for_render_thread_idle(voodoo);
         voodoo->flush = 0;