https://bugzilla.xfce.org/show_bug.cgi?id=11107 diff --git a/xfsettingsd/displays.c b/xfsettingsd/displays.c index 095e323..af70256 100644 --- a/xfsettingsd/displays.c +++ b/xfsettingsd/displays.c @@ -415,6 +415,7 @@ xfce_displays_helper_screen_on_event (GdkXEvent *xevent, XfceRROutput *output, *o; XEvent *e = xevent; gint event_num; + gint j; guint n, m, nactive = 0; gboolean found = FALSE, changed = FALSE; @@ -496,9 +497,37 @@ xfce_displays_helper_screen_on_event (GdkXEvent *xevent, { xfsettings_dbg (XFSD_DEBUG_DISPLAYS, "New output connected: %s", output->info->name); + /* need to enable crtc for output ? */ + if (output->info->crtc == None) + { + xfsettings_dbg (XFSD_DEBUG_DISPLAYS, "enabling crtc for %s", output->info->name); + crtc = xfce_displays_helper_find_usable_crtc (helper, output); + if (crtc) + { + crtc->mode = output->preferred_mode; + crtc->rotation = RR_Rotate_0; + crtc->x = crtc->y = 0; + /* set width and height */ + for (j = 0; j < helper->resources->nmode; ++j) + { + if (helper->resources->modes[j].id == output->preferred_mode) + { + crtc->width = helper->resources->modes[j].width; + crtc->height = helper->resources->modes[j].height; + break; + } + } + xfce_displays_helper_set_outputs (crtc, output); + crtc->changed = TRUE; + } + } + changed = TRUE; } } + if (changed) + xfce_displays_helper_apply_all (helper); + /* Start the minimal dialog according to the user preferences */ if (changed && xfconf_channel_get_bool (helper->channel, NOTIFY_PROP, FALSE)) xfce_spawn_command_line_on_screen (NULL, "xfce4-display-settings -m", FALSE,