diff --git a/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp b/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
index 72b3f70e64..3c06cec576 100644
--- a/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
+++ b/src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
@@ -1270,8 +1270,10 @@ atom_asic_init(atom_context *ctx)
 void
 atom_destroy(atom_context *ctx)
 {
-	if (ctx != NULL)
+	if (ctx != NULL) {
 		free(ctx->iio);
+		delete_sem(ctx->exec_sem);
+	}
 
 	free(ctx);
 }
diff --git a/src/add-ons/accelerants/radeon_hd/bios.cpp b/src/add-ons/accelerants/radeon_hd/bios.cpp
index 3dd39afa79..21568d0d90 100644
--- a/src/add-ons/accelerants/radeon_hd/bios.cpp
+++ b/src/add-ons/accelerants/radeon_hd/bios.cpp
@@ -100,9 +100,6 @@ radeon_init_bios(uint8* bios)
 		return B_ERROR;
 	}
 
-	atom_asic_init(gAtomContext);
-		// Post card
-
 	if ((gAtomContext->exec_sem = create_sem(1, "AtomBIOS_exec"))
 		< B_NO_ERROR) {
 		TRACE("%s: couldn't create semaphore for AtomBIOS exec thread!\n",
@@ -110,6 +107,9 @@ radeon_init_bios(uint8* bios)
 		return B_ERROR;
 	}
 
+	atom_asic_init(gAtomContext);
+		// Post card
+
 	radeon_bios_init_scratch();
 
 	return B_OK;