static void display_deactivate(struct uterm_display *disp)
{
if (!display_is_online(disp))
return;
if (disp->dumb.saved_crtc) {
if (disp->video->flags & VIDEO_AWAKE) {
drmModeSetCrtc(disp->video->dumb.fd,
disp->dumb.saved_crtc->crtc_id,
disp->dumb.saved_crtc->buffer_id,
disp->dumb.saved_crtc->x,
disp->dumb.saved_crtc->y,
&disp->dumb.conn_id,
1,
&disp->dumb.saved_crtc->mode);
}
drmModeFreeCrtc(disp->dumb.saved_crtc);
disp->dumb.saved_crtc = NULL;
}
destroy_rb(disp, &disp->dumb.rb[1]);
destroy_rb(disp, &disp->dumb.rb[0]);
disp->current_mode = NULL;
disp->flags &= ~(DISPLAY_ONLINE | DISPLAY_VSYNC);
log_info("deactivating display %p", disp);
}
static void handle_free (struct neon_handle * h)
{
ne_uri_free (h->purl);
g_free (h->purl);
destroy_rb (& h->rb);
pthread_mutex_destroy (& h->reader_status.mutex);
pthread_cond_destroy (& h->reader_status.cond);
g_free (h->icy_metadata.stream_name);
g_free (h->icy_metadata.stream_title);
g_free (h->icy_metadata.stream_url);
g_free (h->icy_metadata.stream_contenttype);
g_free (h->url);
g_free (h);
}
static int display_activate(struct uterm_display *disp, struct uterm_mode *mode)
{
struct uterm_video *video = disp->video;
int ret, crtc, i;
drmModeRes *res;
drmModeConnector *conn;
drmModeEncoder *enc;
if (!video || !video_is_awake(video) || !mode)
return -EINVAL;
if (display_is_online(disp))
return -EINVAL;
log_info("activating display %p to %ux%u", disp,
mode->dumb.info.hdisplay, mode->dumb.info.vdisplay);
res = drmModeGetResources(video->dumb.fd);
if (!res) {
log_err("cannot get resources for display %p", disp);
return -EFAULT;
}
conn = drmModeGetConnector(video->dumb.fd, disp->dumb.conn_id);
if (!conn) {
log_err("cannot get connector for display %p", disp);
drmModeFreeResources(res);
return -EFAULT;
}
crtc = -1;
for (i = 0; i < conn->count_encoders; ++i) {
enc = drmModeGetEncoder(video->dumb.fd, conn->encoders[i]);
if (!enc)
continue;
crtc = find_crtc(video, res, enc);
drmModeFreeEncoder(enc);
if (crtc >= 0)
break;
}
drmModeFreeConnector(conn);
drmModeFreeResources(res);
if (crtc < 0) {
log_warn("cannot find crtc for new display");
return -ENODEV;
}
disp->dumb.crtc_id = crtc;
disp->dumb.current_rb = 0;
disp->current_mode = mode;
disp->dumb.saved_crtc = drmModeGetCrtc(video->dumb.fd,
disp->dumb.crtc_id);
ret = init_rb(disp, &disp->dumb.rb[0]);
if (ret)
goto err_saved;
ret = init_rb(disp, &disp->dumb.rb[1]);
if (ret)
goto err_rb;
ret = drmModeSetCrtc(video->dumb.fd, disp->dumb.crtc_id,
disp->dumb.rb[0].fb, 0, 0, &disp->dumb.conn_id, 1,
&disp->current_mode->dumb.info);
if (ret) {
log_err("cannot set drm-crtc");
ret = -EFAULT;
goto err_fb;
}
disp->flags |= DISPLAY_ONLINE;
return 0;
err_fb:
destroy_rb(disp, &disp->dumb.rb[1]);
err_rb:
destroy_rb(disp, &disp->dumb.rb[0]);
err_saved:
disp->current_mode = NULL;
if (disp->dumb.saved_crtc) {
drmModeFreeCrtc(disp->dumb.saved_crtc);
disp->dumb.saved_crtc = NULL;
}
return ret;
}
