Set an drop drm master on enter and leave vt

This way we can vt switch between wayland and X.

diff --git a/wayland-system-compositor.c b/wayland-system-compositor.c
index 9e8b50b..ee3c6d0 100644 (file)
--- a/wayland-system-compositor.c
+++ b/wayland-system-compositor.c
@@ -1355,10 +1355,16 @@ static void on_enter_vt(int signal_number, void *data)
        struct wlsc_output *output;
        int ret, fd;
 
+       fd = eglGetDisplayFD(ec->display);
+       ret = drmSetMaster(fd);
+       if (ret) {
+               fprintf(stderr, "failed to set drm master\n");
+               return;
+       }
+
        ioctl(ec->tty_fd, VT_RELDISP, VT_ACKACQ);
        ec->vt_active = TRUE;
 
-       fd = eglGetDisplayFD(ec->display);
        output = container_of(ec->output_list.next, struct wlsc_output, link);
        while (&output->link != &ec->output_list) {
                ret = drmModeSetCrtc(fd, output->crtc_id,
@@ -1376,6 +1382,14 @@ static void on_enter_vt(int signal_number, void *data)
 static void on_leave_vt(int signal_number, void *data)
 {
        struct wlsc_compositor *ec = data;
+       int ret, fd;
+
+       fd = eglGetDisplayFD(ec->display);
+       ret = drmDropMaster(fd);
+       if (ret) {
+               fprintf(stderr, "failed to drop drm master\n");
+               return;
+       }
 
        ioctl (ec->tty_fd, VT_RELDISP, 1);
        ec->vt_active = FALSE;