[Qemu-devel] [RfC PATCH 1/2] display update with notification

[Gerd Hoffmann <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/ui/console.h |    2 ++
 ui/console.c         |   15 +++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/include/ui/console.h b/include/ui/console.h
index 092b9be..4860687 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -273,6 +273,7 @@ static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 typedef struct GraphicHwOps {
     void (*invalidate)(void *opaque);
     void (*gfx_update)(void *opaque);
+    void (*gfx_update_notify)(void *opaque, QEMUBH *notify);
     void (*text_update)(void *opaque, console_ch_t *text);
     void (*update_interval)(void *opaque, uint64_t interval);
 } GraphicHwOps;
@@ -282,6 +283,7 @@ QemuConsole *graphic_console_init(DeviceState *dev,
                                   void *opaque);
 
 void graphic_hw_update(QemuConsole *con);
+void graphic_hw_update_notify(QemuConsole *con, QEMUBH *notify);
 void graphic_hw_invalidate(QemuConsole *con);
 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
 
diff --git a/ui/console.c b/ui/console.c
index 07d4d63..020805c 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -255,6 +255,21 @@ void graphic_hw_update(QemuConsole *con)
     }
 }
 
+void graphic_hw_update_notify(QemuConsole *con, QEMUBH *notify)
+{
+    assert(con != NULL);
+
+    if (con->hw_ops->gfx_update_notify) {
+        con->hw_ops->gfx_update_notify(con->hw, notify);
+        return;
+    }
+
+    if (con->hw_ops->gfx_update) {
+        con->hw_ops->gfx_update(con->hw);
+    }
+    qemu_bh_schedule(notify);
+}
+
 void graphic_hw_invalidate(QemuConsole *con)
 {
     if (!con) {
-- 
1.7.9.7