slackware-current/source/x/x11/patch/xorg-server/0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch
Patrick J Volkerding aea2ef36ce Wed Feb 27 03:09:41 UTC 2019
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a/openssl-solibs-1.1.1b-x86_64-1.txz:  Upgraded.
ap/ddrescue-1.24-x86_64-1.txz:  Upgraded.
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n/ca-certificates-20181210-noarch-2.txz:  Rebuilt.
  Use "c_rehash" rather than "openssl rehash" for compatibility with all
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n/epic5-2.1.1-x86_64-1.txz:  Upgraded.
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x/xorg-server-1.20.4-x86_64-1.txz:  Upgraded.
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2019-02-27 08:59:45 +01:00

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Diff

From aa2f34d80ef3118eae0cce73b610c36cdcb978fe Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Sat, 22 Apr 2017 02:26:28 +1000
Subject: [PATCH xserver] xfree86: use modesetting driver by default on GeForce
8 and newer
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
hw/xfree86/common/xf86pciBus.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- ./hw/xfree86/common/xf86pciBus.c.orig 2019-02-26 13:28:50.000000000 -0600
+++ ./hw/xfree86/common/xf86pciBus.c 2019-02-26 17:16:04.131096857 -0600
@@ -37,6 +37,7 @@
#include <unistd.h>
#include <X11/X.h>
#include <pciaccess.h>
+#include <xf86drm.h>
#include "os.h"
#include "Pci.h"
#include "xf86.h"
@@ -1191,6 +1192,25 @@
int idx = 0;
#if defined(__linux__) || defined(__NetBSD__)
+ char busid[32];
+ int fd;
+
+ snprintf(busid, sizeof(busid), "pci:%04x:%02x:%02x.%d",
+ dev->domain, dev->bus, dev->dev, dev->func);
+
+ /* 'modesetting' is preferred for GeForce 8 and newer GPUs */
+ fd = drmOpenWithType("nouveau", busid, DRM_NODE_RENDER);
+ if (fd >= 0) {
+ uint64_t args[] = { 11 /* NOUVEAU_GETPARAM_CHIPSET_ID */, 0 };
+ int ret = drmCommandWriteRead(fd, 0 /* DRM_NOUVEAU_GETPARAM */,
+ &args, sizeof(args));
+ drmClose(fd);
+ if (ret == 0) {
+ if (args[1] == 0x050 || args[1] >= 0x80)
+ break;
+ }
+ }
+
driverList[idx++] = "nouveau";
#endif
driverList[idx++] = "nv";