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xorg-x11-server/0006-xfree86-Add-ModulePath-support-for-OutputClass-confi.patch
Hans de Goede 6c7b30274b Add some patches for better integration with the nvidia binary driver 
Add a patch from upstream fixing a crash (rhbz#1389886)
2016-12-15 13:09:24 +01:00

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From b5dffbbac193aa640ffcfa0a431c21b862854e53 Mon Sep 17 00:00:00 2001
From: Hans De Goede <hdegoede@redhat.com>
Date: Mon, 12 Dec 2016 17:03:17 +0100
Subject: [PATCH xserver 6/6] xfree86: Add ModulePath support for OutputClass
config Sections
Allow OutputClass config snippets to modify the module-path.
Note that any specified ModulePaths will be pre-pended to the normal
ModulePath. The idea behind this is that any output hardware specific
modules should have preference over the normal modules.
One use-case for this is the nvidia binary driver, this allows a
config snippet like this:
Section "OutputClass"
MatchDriver "nvidia"
Modulepath "/usr/lib64/nvidia/modules"
EndSection
To get the nvidia glx specific glx module loaded, but only when the
nvidia kernel driver is loaded.
Together with the glvnd work done recently, this allows the nouveau
+ mesa and nvidia-binary userspace stacks to co-exist on the same
system without any ldconfig / xorg.conf tweaking and the xserver will
automatically do the right thing depending on which kernel driver
(nouveau or nvidia) is loaded.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
hw/xfree86/common/xf86platformBus.c | 23 +++++++++++++++++++++++
hw/xfree86/loader/loadmod.c | 1 +
hw/xfree86/man/xorg.conf.man | 16 ++++++++++++++++
hw/xfree86/parser/OutputClass.c | 15 +++++++++++++++
hw/xfree86/parser/xf86Parser.h | 1 +
5 files changed, 56 insertions(+)
diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
index fc17d15..0b5795f 100644
--- a/hw/xfree86/common/xf86platformBus.c
+++ b/hw/xfree86/common/xf86platformBus.c
@@ -40,6 +40,7 @@
#include "hotplug.h"
#include "systemd-logind.h"
+#include "loaderProcs.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Priv.h"
@@ -287,6 +288,7 @@ xf86platformProbe(void)
int i;
Bool pci = TRUE;
XF86ConfOutputClassPtr cl;
+ char *old_path, *path = NULL;
config_odev_probe(xf86PlatformDeviceProbe);
@@ -300,8 +302,29 @@ xf86platformProbe(void)
if (pci && (strncmp(busid, "pci:", 4) == 0)) {
platform_find_pci_info(&xf86_platform_devices[i], busid);
}
+
+ /*
+ * Deal with OutputClass ModulePath directives, these must be
+ * processed before we do any module loading.
+ */
+ for (cl = xf86configptr->conf_outputclass_lst; cl; cl = cl->list.next) {
+ if (!OutputClassMatches(cl, &xf86_platform_devices[i]))
+ continue;
+
+ if (cl->modulepath && xf86ModPathFrom != X_CMDLINE) {
+ old_path = path;
+ XNFasprintf(&path, "%s,%s", cl->modulepath,
+ path ? path : xf86ModulePath);
+ free(old_path);
+ xf86Msg(X_CONFIG, "OutputClass \"%s\" ModulePath extended to \"%s\"\n",
+ cl->identifier, path);
+ LoaderSetPath(path);
+ }
+ }
}
+ free(path);
+
/* First see if there is an OutputClass match marking a device as primary */
for (i = 0; i < xf86_num_platform_devices; i++) {
struct xf86_platform_device *dev = &xf86_platform_devices[i];
diff --git a/hw/xfree86/loader/loadmod.c b/hw/xfree86/loader/loadmod.c
index 8bf6836..940f5fc 100644
--- a/hw/xfree86/loader/loadmod.c
+++ b/hw/xfree86/loader/loadmod.c
@@ -184,6 +184,7 @@ LoaderSetPath(const char *path)
if (!path)
return;
+ FreeStringList(defaultPathList);
defaultPathList = InitPathList(path);
}
diff --git a/hw/xfree86/man/xorg.conf.man b/hw/xfree86/man/xorg.conf.man
index 79b71a8..00ebf56 100644
--- a/hw/xfree86/man/xorg.conf.man
+++ b/hw/xfree86/man/xorg.conf.man
@@ -1300,6 +1300,22 @@ This option specifies that the matched device should be treated as the
primary GPU, replacing the selection of the GPU used as output by the
firmware. If multiple output devices match an OutputClass section with
the PrimaryGPU option set, the first one enumerated becomes the primary GPU.
+.PP
+A
+.B OutputClass
+Section may contain
+.B ModulePath
+entries. When an output device matches an
+.B OutputClass
+section, any
+.B ModulePath
+entries in that
+.B OutputClass
+are pre-pended to the search path for loadable Xorg server modules. See
+.B ModulePath
+in the
+.B Files
+section for more info.
.SH "DEVICE SECTION"
The config file may have multiple
.B Device
diff --git a/hw/xfree86/parser/OutputClass.c b/hw/xfree86/parser/OutputClass.c
index f813ee6..01b348f 100644
--- a/hw/xfree86/parser/OutputClass.c
+++ b/hw/xfree86/parser/OutputClass.c
@@ -36,6 +36,7 @@ static const xf86ConfigSymTabRec OutputClassTab[] = {
{ENDSECTION, "endsection"},
{IDENTIFIER, "identifier"},
{DRIVER, "driver"},
+ {MODULEPATH, "modulepath"},
{OPTION, "option"},
{MATCH_DRIVER, "matchdriver"},
{-1, ""},
@@ -53,6 +54,7 @@ xf86freeOutputClassList(XF86ConfOutputClassPtr ptr)
TestFree(ptr->identifier);
TestFree(ptr->comment);
TestFree(ptr->driver);
+ TestFree(ptr->modulepath);
xorg_list_for_each_entry_safe(group, next, &ptr->match_driver, entry) {
xorg_list_del(&group->entry);
@@ -115,6 +117,19 @@ xf86parseOutputClassSection(void)
else
ptr->driver = xf86_lex_val.str;
break;
+ case MODULEPATH:
+ if (xf86getSubToken(&(ptr->comment)) != STRING)
+ Error(QUOTE_MSG, "ModulePath");
+ if (ptr->modulepath) {
+ char *path;
+ XNFasprintf(&path, "%s,%s", ptr->modulepath, xf86_lex_val.str);
+ free(xf86_lex_val.str);
+ free(ptr->modulepath);
+ ptr->modulepath = path;
+ } else {
+ ptr->modulepath = xf86_lex_val.str;
+ }
+ break;
case OPTION:
ptr->option_lst = xf86parseOption(ptr->option_lst);
break;
diff --git a/hw/xfree86/parser/xf86Parser.h b/hw/xfree86/parser/xf86Parser.h
index 897edab..e014048 100644
--- a/hw/xfree86/parser/xf86Parser.h
+++ b/hw/xfree86/parser/xf86Parser.h
@@ -337,6 +337,7 @@ typedef struct {
GenericListRec list;
char *identifier;
char *driver;
+ char *modulepath;
struct xorg_list match_driver;
XF86OptionPtr option_lst;
char *comment;
--
2.9.3
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