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