From 2e6edeb56911d594cc0d9afec07d70f58961a25d Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Mon, 13 Dec 2021 16:10:35 +0100
Subject: [PATCH] xf86: Accept devices with the 'hyperv_drm' driver

Put in a workaround to accept devices of the kernel's hyperv_drm
driver. Makes Xorg work on HyperV Gen 1/2 with the DRM graphics
stack.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 hw/xfree86/common/xf86platformBus.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
index 45028f7a6..071f44b2a 100644
--- a/hw/xfree86/common/xf86platformBus.c
+++ b/hw/xfree86/common/xf86platformBus.c
@@ -560,6 +560,9 @@ xf86platformProbeDev(DriverPtr drvp)
                 if (ServerIsNotSeat0()) {
                     break;
                 } else {
+                    /* Accept the device if the driver is hyperv_drm */
+                    if (strcmp(xf86_platform_devices[j].attribs->driver, "hyperv_drm") == 0)
+                        break;
                     /* Accept the device if the driver is simpledrm */
                     if (strcmp(xf86_platform_devices[j].attribs->driver, "simpledrm") == 0)
                         break;
-- 
2.35.1