[PATCH] Do nothing when there are no platform devices

[Marcin Juszkiewicz]

Final version. Would be nice to if someone could check it on multi-gpu system.


>From a3efb7c6e66eabf7fa2dc7b0a51cc524d00b8049 Mon Sep 17 00:00:00 2001
From: Marcin Juszkiewicz <mjuszkiewicz at redhat.com>
Date: Thu, 10 Sep 2015 21:53:36 +0200
Subject: [PATCH] Use first card on systems without boot initialized cards

Several AArch64, PowerPC systems have firmware which does not initialize
graphic cards during bootup. In the effect we have proper card found but
refuse to use it.

Signed-off-by: Marcin Juszkiewicz <mjuszkiewicz at redhat.com>
---
 hw/xfree86/common/xf86platformBus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
index f1e9423..d88c58e 100644
--- a/hw/xfree86/common/xf86platformBus.c
+++ b/hw/xfree86/common/xf86platformBus.c
@@ -136,7 +136,8 @@ platform_find_pci_info(struct xf86_platform_device *pd, char *busid)
     if (info) {
         pd->pdev = info;
         pci_device_probe(info);
-        if (pci_device_is_boot_vga(info)) {
+        if (pci_device_is_boot_vga(info) || xf86_num_platform_devices == 1)
+        {
             primaryBus.type = BUS_PLATFORM;
             primaryBus.id.plat = pd;
         }
-- 
2.5.1