diff --git a/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp b/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
index e10a2ce499..d23321f626 100644
--- a/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
+++ b/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
@@ -39,7 +39,7 @@
  * Number of repeat AtomBIOS jmp operations
  * before bailing due to stuck in a loop
  */
-#define ATOM_OP_JMP_TIMEOUT 128
+#define ATOM_OP_JMP_TIMEOUT 512
 
 // *** Tracing
 #undef TRACE