diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index af82c9b6a28b671991b3b2846f39623274bf7c64..189973836cff691ced976818f1bf045ed58e424b 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -467,8 +467,10 @@ bool radeon_card_posted(struct radeon_device *rdev)
 {
 	uint32_t reg;
 
+	/* required for EFI mode on macbook2,1 which uses an r5xx asic */
 	if (efi_enabled(EFI_BOOT) &&
-	    rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+	    (rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
+	    (rdev->family < CHIP_R600))
 		return false;
 
 	if (ASIC_IS_NODCE(rdev))