Merge remote-tracking branch 'origin/released'

Conflicts:
	xorg-server/dix/dispatch.c
	xorg-server/include/misc.h

1 files changed, 111 insertions, 0 deletions

diff --git a/xorg-server/config/udev.c b/xorg-server/config/udev.c
index 1995184f3..5297b9009 100644
--- a/xorg-server/config/udev.c
+++ b/xorg-server/config/udev.c
@@ -52,6 +52,12 @@
 
 static struct udev_monitor *udev_monitor;
 
+#ifdef CONFIG_UDEV_KMS
+static Bool
+config_udev_odev_setup_attribs(const char *path, const char *syspath,
+                               config_odev_probe_proc_ptr probe_callback);
+#endif
+
 static void
 device_added(struct udev_device *udev_device)
 {
@@ -85,6 +91,20 @@ device_added(struct udev_device *udev_device)
     if (!SeatId && strcmp(dev_seat, "seat0"))
         return;
 
+#ifdef CONFIG_UDEV_KMS
+    if (!strcmp(udev_device_get_subsystem(udev_device), "drm")) {
+        const char *sysname = udev_device_get_sysname(udev_device);
+
+        if (strncmp(sysname, "card", 4) != 0)
+            return;
+
+        LogMessage(X_INFO, "config/udev: Adding drm device (%s)\n", path);
+
+        config_udev_odev_setup_attribs(path, syspath, NewGPUDeviceRequest);
+        return;
+    }
+#endif
+
     if (!udev_device_get_property_value(udev_device, "ID_INPUT")) {
         LogMessageVerb(X_INFO, 10,
                        "config/udev: ignoring device %s without "
@@ -240,6 +260,22 @@ device_removed(struct udev_device *device)
     char *value;
     const char *syspath = udev_device_get_syspath(device);
 
+#ifdef CONFIG_UDEV_KMS
+    if (!strcmp(udev_device_get_subsystem(device), "drm")) {
+        const char *sysname = udev_device_get_sysname(device);
+        const char *path = udev_device_get_devnode(device);
+
+        if (strncmp(sysname,"card", 4) != 0)
+            return;
+        ErrorF("removing GPU device %s %d\n", syspath, path);
+        if (!path)
+            return;
+
+        config_udev_odev_setup_attribs(path, syspath, DeleteGPUDeviceRequest);
+        return;
+    }
+#endif
+
     if (asprintf(&value, "udev:%s", syspath) == -1)
         return;
 
@@ -296,6 +332,9 @@ config_udev_pre_init(void)
     udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "input",
                                                     NULL);
     udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL); /* For Wacom serial devices */
+#ifdef CONFIG_UDEV_KMS
+    udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "drm", NULL); /* For output GPU devices */
+#endif
 
 #ifdef HAVE_UDEV_MONITOR_FILTER_ADD_MATCH_TAG
     if (SeatId && strcmp(SeatId, "seat0"))
@@ -322,6 +361,9 @@ config_udev_init(void)
 
     udev_enumerate_add_match_subsystem(enumerate, "input");
     udev_enumerate_add_match_subsystem(enumerate, "tty");
+#ifdef CONFIG_UDEV_KMS
+    udev_enumerate_add_match_subsystem(enumerate, "drm");
+#endif
 
 #ifdef HAVE_UDEV_ENUMERATE_ADD_MATCH_TAG
     if (SeatId && strcmp(SeatId, "seat0"))
@@ -366,3 +408,72 @@ config_udev_fini(void)
     udev_monitor = NULL;
     udev_unref(udev);
 }
+
+#ifdef CONFIG_UDEV_KMS
+
+static Bool
+config_udev_odev_setup_attribs(const char *path, const char *syspath,
+                               config_odev_probe_proc_ptr probe_callback)
+{
+    struct OdevAttributes *attribs = config_odev_allocate_attribute_list();
+    int ret;
+
+    if (!attribs)
+        return FALSE;
+
+    ret = config_odev_add_attribute(attribs, ODEV_ATTRIB_PATH, path);
+    if (ret == FALSE)
+        goto fail;
+
+    ret = config_odev_add_attribute(attribs, ODEV_ATTRIB_SYSPATH, syspath);
+    if (ret == FALSE)
+        goto fail;
+
+    /* ownership of attribs is passed to probe layer */
+    probe_callback(attribs);
+    return TRUE;
+fail:
+    config_odev_free_attributes(attribs);
+    free(attribs);
+    return FALSE;
+}
+
+void
+config_udev_odev_probe(config_odev_probe_proc_ptr probe_callback)
+{
+    struct udev *udev;
+    struct udev_enumerate *enumerate;
+    struct udev_list_entry *devices, *device;
+
+    udev = udev_monitor_get_udev(udev_monitor);
+    enumerate = udev_enumerate_new(udev);
+    if (!enumerate)
+        return;
+
+    udev_enumerate_add_match_subsystem(enumerate, "drm");
+    udev_enumerate_add_match_sysname(enumerate, "card[0-9]*");
+    udev_enumerate_scan_devices(enumerate);
+    devices = udev_enumerate_get_list_entry(enumerate);
+    udev_list_entry_foreach(device, devices) {
+        const char *syspath = udev_list_entry_get_name(device);
+        struct udev_device *udev_device = udev_device_new_from_syspath(udev, syspath);
+        const char *path = udev_device_get_devnode(udev_device);
+        const char *sysname = udev_device_get_sysname(udev_device);
+
+        if (!path || !syspath)
+            goto no_probe;
+        else if (strcmp(udev_device_get_subsystem(udev_device), "drm") != 0)
+            goto no_probe;
+        else if (strncmp(sysname, "card", 4) != 0)
+            goto no_probe;
+
+        config_udev_odev_setup_attribs(path, syspath, probe_callback);
+
+    no_probe:
+        udev_device_unref(udev_device);
+    }
+    udev_enumerate_unref(enumerate);
+    return;
+}
+#endif
+