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From d77cdc5e1eee26821ab98c947abea53fb7b18fe5 Mon Sep 17 00:00:00 2001
From: California Sullivan <california.l.sullivan@intel.com>
Date: Fri, 16 Mar 2018 17:23:11 -0700
Subject: [PATCH] xf86pciBus.c: use Intel ddx only for pre-gen4 hardware
Use intel ddx only on pre-gen4 hw, newer ones will fall back to modesetting
Author: Timo Aaltonen <tjaalton@debian.org>
Instead of defaulting to the Intel driver for all Intel hardware, only
default it for older hardware for which it has shown to be better for.
Others fall through to the -modesetting default.
Upstream-Status: Pending [Debian/Fedora patch
https://src.fedoraproject.org/rpms/xorg-x11-server/c/ee515e44b07e37689abf48cf2fffb41578f3bc1d]
Signed-off-by: California Sullivan <california.l.sullivan@intel.com>
---
hw/xfree86/common/xf86pciBus.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/hw/xfree86/common/xf86pciBus.c b/hw/xfree86/common/xf86pciBus.c
index e61ae0cd4..d70c99197 100644
--- a/hw/xfree86/common/xf86pciBus.c
+++ b/hw/xfree86/common/xf86pciBus.c
@@ -1173,7 +1173,23 @@ xf86VideoPtrToDriverList(struct pci_device *dev,
case 0x0bef:
/* Use fbdev/vesa driver on Oaktrail, Medfield, CDV */
break;
- default:
+ /* Default to intel only on pre-gen4 chips */
+ case 0x3577:
+ case 0x2562:
+ case 0x3582:
+ case 0x358e:
+ case 0x2572:
+ case 0x2582:
+ case 0x258a:
+ case 0x2592:
+ case 0x2772:
+ case 0x27a2:
+ case 0x27ae:
+ case 0x29b2:
+ case 0x29c2:
+ case 0x29d2:
+ case 0xa001:
+ case 0xa011:
driverList[0] = "intel";
break;
}
--
2.14.3
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