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Udev event device matching

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This commit is contained in:
Scott Anderson 2017-06-03 15:47:33 +12:00
parent 40b85d992a
commit de44994dfc
4 changed files with 22 additions and 18 deletions
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15
backend/udev.c
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@ -73,7 +73,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
struct udev_list_entry *entry;
int fd = -1;
char *drm_path = NULL;
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
bool is_boot_vga = false;
@ -117,9 +116,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
continue;
}
free(drm_path);
drm_path = strdup(path);
udev_device_unref(dev);
// We've found the primary GPU
@ -130,7 +126,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
udev_enumerate_unref(en);
udev->drm_path = drm_path;
return fd;
}
@ -143,21 +138,16 @@ static int udev_event(int fd, uint32_t mask, void *data) {
}
const char *action = udev_device_get_action(dev);
const char *path = udev_device_get_devnode(dev);
wlr_log(L_DEBUG, "udev event for %s (%s)",
udev_device_get_sysname(dev), action);
if (!path || strcmp(path, udev->drm_path) != 0) {
goto out;
}
if (!action || strcmp(action, "change") != 0) {
goto out;
}
// TODO: Specify the GPU that's being invalidated
wl_signal_emit(&udev->invalidate_drm, udev);
dev_t devnum = udev_device_get_devnum(dev);
wl_signal_emit(&udev->invalidate_drm, &devnum);
out:
udev_device_unref(dev);
@ -216,5 +206,4 @@ void wlr_udev_destroy(struct wlr_udev *udev) {
udev_monitor_unref(udev->mon);
udev_unref(udev->udev);
free(udev->drm_path);
}