diff options
Diffstat (limited to 'xorg-server/config/udev.c')
| -rw-r--r-- | xorg-server/config/udev.c | 111 |
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 + |