From 30ab80ef5421fea9d9dd0779aa138892ff62bd6e Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@gmail.com>
Date: Fri, 22 Jun 2012 15:26:28 +0100
Subject: [PATCH] modesetting: pci probing requires interface version 1.4

Set the drm interface version to 1.4 so we get the bus id correctly.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 hw/xfree86/drivers/modesetting/driver.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/xfree86/drivers/modesetting/driver.c b/hw/xfree86/drivers/modesetting/driver.c
index f0529f52c..ad817c494 100644
--- a/hw/xfree86/drivers/modesetting/driver.c
+++ b/hw/xfree86/drivers/modesetting/driver.c
@@ -215,10 +215,21 @@ static Bool probe_hw_pci(char *dev, struct pci_device *pdev)
 {
     int fd = open_hw(dev);
     char *id, *devid;
+    drmSetVersion sv;
 
     if (fd == -1)
 	return FALSE;
 
+    sv.drm_di_major = 1;
+    sv.drm_di_minor = 4;
+    sv.drm_dd_major = -1;
+    sv.drm_dd_minor = -1;
+    if (drmSetInterfaceVersion(fd, &sv)) {
+        close(fd);
+        return FALSE;
+    }
+
+
     id = drmGetBusid(fd);
     devid = ms_DRICreatePCIBusID(pdev);
     close(fd);