diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-06-05 17:29:56 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-07-06 10:35:20 +0100 |
| commit | b27cf30995e05da11e827ec41060051673336a7b (patch) | |
| tree | e0b0dc9ea4a4951077a0ae26dee3ceb559c1a21c /config | |
| parent | 53b66c084fbf5bf47f8121632fabdc39b9fe8337 (diff) | |
xserver/config: add udev/drm hotplug callbacks. (v2)
This adds callbacks into the ddx for udev gpu hotplug.
v2: fix some strncmp returns.
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'config')
| -rw-r--r-- | config/udev.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/config/udev.c b/config/udev.c index efa8d3257..5297b9009 100644 --- a/config/udev.c +++ b/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")) |