[Qemu-devel] [RfC PATCH 04/12] qxl: zap qxl0 global

[Gerd Hoffmann <kraxel@redhat.com>]

DisplayChangeListener is passed now to all DisplayChangeListenerOps
callbacks, so we can use that to access the qxl state and kill the
qxl0 global variable.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/qxl.c |   28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/hw/qxl.c b/hw/qxl.c
index cb3d317..cc0ba40 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -118,8 +118,6 @@ static QXLMode qxl_modes[] = {
     QXL_MODE_EX(3200, 2400),
 };
 
-static PCIQXLDevice *qxl0;
-
 static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
 static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async);
 static void qxl_reset_memslots(PCIQXLDevice *d);
@@ -1870,28 +1868,34 @@ static void display_update(DisplayChangeListener *dcl,
                            struct DisplayState *ds,
                            int x, int y, int w, int h)
 {
-    if (qxl0->mode == QXL_MODE_VGA) {
-        qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
+    PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
+
+    if (qxl->mode == QXL_MODE_VGA) {
+        qemu_spice_display_update(&qxl->ssd, x, y, w, h);
     }
 }
 
 static void display_resize(DisplayChangeListener *dcl,
                            struct DisplayState *ds)
 {
-    if (qxl0->mode == QXL_MODE_VGA) {
-        qemu_spice_display_resize(&qxl0->ssd);
+    PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
+
+    if (qxl->mode == QXL_MODE_VGA) {
+        qemu_spice_display_resize(&qxl->ssd);
     }
 }
 
 static void display_refresh(DisplayChangeListener *dcl,
                             struct DisplayState *ds)
 {
-    if (qxl0->mode == QXL_MODE_VGA) {
-        qemu_spice_display_refresh(&qxl0->ssd);
+    PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl);
+
+    if (qxl->mode == QXL_MODE_VGA) {
+        qemu_spice_display_refresh(&qxl->ssd);
     } else {
-        qemu_mutex_lock(&qxl0->ssd.lock);
-        qemu_spice_cursor_refresh_unlocked(&qxl0->ssd);
-        qemu_mutex_unlock(&qxl0->ssd.lock);
+        qemu_mutex_lock(&qxl->ssd.lock);
+        qemu_spice_cursor_refresh_unlocked(&qxl->ssd);
+        qemu_mutex_unlock(&qxl->ssd.lock);
     }
 }
 
@@ -2074,8 +2078,6 @@ static int qxl_init_primary(PCIDevice *dev)
                                    qxl_hw_screen_dump, qxl_hw_text_update, qxl);
     qemu_spice_display_init_common(&qxl->ssd, vga->ds);
 
-    qxl0 = qxl;
-
     rc = qxl_init_common(qxl);
     if (rc != 0) {
         return rc;
-- 
1.7.9.7