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-rw-r--r--src/login/logind-button.c2
-rw-r--r--src/login/logind-core.c49
-rw-r--r--src/login/logind-dbus.c2
-rw-r--r--src/login/logind.h4
4 files changed, 45 insertions, 12 deletions
diff --git a/src/login/logind-button.c b/src/login/logind-button.c
index 8079d0b5a..210b889c4 100644
--- a/src/login/logind-button.c
+++ b/src/login/logind-button.c
@@ -100,7 +100,7 @@ static void button_lid_switch_handle_action(Manager *manager, bool is_edge) {
assert(manager);
/* If we are docked, handle the lid switch differently */
- if (manager_is_docked_or_multiple_displays(manager))
+ if (manager_is_docked_or_external_displays(manager))
handle_action = manager->handle_lid_switch_docked;
else
handle_action = manager->handle_lid_switch;
diff --git a/src/login/logind-core.c b/src/login/logind-core.c
index 44cae8963..e1e288f0f 100644
--- a/src/login/logind-core.c
+++ b/src/login/logind-core.c
@@ -429,7 +429,7 @@ static int vt_is_busy(unsigned int vtnr) {
return r;
}
-bool manager_is_docked(Manager *m) {
+static bool manager_is_docked(Manager *m) {
Iterator i;
Button *b;
@@ -440,7 +440,7 @@ bool manager_is_docked(Manager *m) {
return false;
}
-int manager_count_displays(Manager *m) {
+static int manager_count_external_displays(Manager *m) {
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *item = NULL, *first = NULL;
int r;
@@ -462,7 +462,8 @@ int manager_count_displays(Manager *m) {
udev_list_entry_foreach(item, first) {
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
struct udev_device *p;
- const char *status;
+ const char *status, *enabled, *dash, *nn, *i;
+ bool external = false;
d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
if (!d)
@@ -478,6 +479,40 @@ int manager_count_displays(Manager *m) {
if (!streq_ptr(udev_device_get_subsystem(p), "drm"))
continue;
+ nn = udev_device_get_sysname(d);
+ if (!nn)
+ continue;
+
+ /* Ignore internal displays: the type is encoded in
+ * the sysfs name, as the second dash seperated item
+ * (the first is the card name, the last the connector
+ * number). We implement a whitelist of external
+ * displays here, rather than a whitelist, to ensure
+ * we don't block suspends too eagerly. */
+ dash = strchr(nn, '-');
+ if (!dash)
+ continue;
+
+ dash++;
+ FOREACH_STRING(i, "VGA-", "DVI-I-", "DVI-D-", "DVI-A-"
+ "Composite-", "SVIDEO-", "Component-",
+ "DIN-", "DP-", "HDMI-A-", "HDMI-B-", "TV-") {
+
+ if (startswith(dash, i)) {
+ external = true;
+ break;
+ }
+ }
+ if (!external)
+ continue;
+
+ /* Ignore ports that are not enabled */
+ enabled = udev_device_get_sysattr_value(d, "enabled");
+ if (!enabled)
+ continue;
+ if (!streq_ptr(enabled, "enabled"))
+ continue;
+
/* We count any connector which is not explicitly
* "disconnected" as connected. */
status = udev_device_get_sysattr_value(d, "status");
@@ -488,7 +523,7 @@ int manager_count_displays(Manager *m) {
return n;
}
-bool manager_is_docked_or_multiple_displays(Manager *m) {
+bool manager_is_docked_or_external_displays(Manager *m) {
int n;
/* If we are docked don't react to lid closing */
@@ -499,11 +534,11 @@ bool manager_is_docked_or_multiple_displays(Manager *m) {
/* If we have more than one display connected,
* assume that we are docked. */
- n = manager_count_displays(m);
+ n = manager_count_external_displays(m);
if (n < 0)
log_warning_errno(n, "Display counting failed: %m");
- else if (n > 1) {
- log_debug("Multiple (%i) displays connected.", n);
+ else if (n >= 1) {
+ log_debug("External (%i) displays connected.", n);
return true;
}
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 93711fec2..640ae92f7 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -258,7 +258,7 @@ static int property_get_docked(
assert(reply);
assert(m);
- return sd_bus_message_append(reply, "b", manager_is_docked_or_multiple_displays(m));
+ return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m));
}
static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) {
diff --git a/src/login/logind.h b/src/login/logind.h
index e12c59a01..ad437b72c 100644
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -156,9 +156,7 @@ int manager_get_idle_hint(Manager *m, dual_timestamp *t);
int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
-bool manager_is_docked(Manager *m);
-int manager_count_displays(Manager *m);
-bool manager_is_docked_or_multiple_displays(Manager *m);
+bool manager_is_docked_or_external_displays(Manager *m);
extern const sd_bus_vtable manager_vtable[];