[Qemu-devel] [PATCH] qxl: use uint64_t for vram size

[Gerd Hoffmann <kraxel@redhat.com>]

This allows for the 64bit vram bar to become larger than 2G
(try -device qxl-vga,vram64_size_mb=8192).

https://bugzilla.redhat.com/show_bug.cgi?id=1340439

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/qxl.c | 8 ++++----
 hw/display/qxl.h | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index f867cdf..47cc6f4 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1915,7 +1915,7 @@ static void qxl_init_ramsize(PCIQXLDevice *qxl)
 
     /* vram (surfaces, 64bit, bar 4+5) */
     if (qxl->vram_size_mb != -1) {
-        qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
+        qxl->vram_size = (uint64_t)qxl->vram_size_mb * 1024 * 1024;
     }
     if (qxl->vram_size < qxl->vram32_size) {
         qxl->vram_size = qxl->vram32_size;
@@ -2021,9 +2021,9 @@ static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp)
     dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
            qxl->id == 0 ? "pri" : "sec",
            qxl->vga.vram_size / (1024*1024));
-    dprint(qxl, 1, "vram/32: %d MB [region 1]\n",
+    dprint(qxl, 1, "vram/32: %" PRIx64 "d MB [region 1]\n",
            qxl->vram32_size / (1024*1024));
-    dprint(qxl, 1, "vram/64: %d MB %s\n",
+    dprint(qxl, 1, "vram/64: %" PRIx64 "d MB %s\n",
            qxl->vram_size / (1024*1024),
            qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
 
@@ -2277,7 +2277,7 @@ static VMStateDescription qxl_vmstate = {
 static Property qxl_properties[] = {
         DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
                            64 * 1024 * 1024),
-        DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size,
+        DEFINE_PROP_UINT64("vram_size", PCIQXLDevice, vram32_size,
                            64 * 1024 * 1024),
         DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
                            QXL_DEFAULT_REVISION),
diff --git a/hw/display/qxl.h b/hw/display/qxl.h
index 2ddf065..39ff004 100644
--- a/hw/display/qxl.h
+++ b/hw/display/qxl.h
@@ -104,9 +104,9 @@ typedef struct PCIQXLDevice {
 #endif
 
     /* vram pci bar */
-    uint32_t           vram_size;
+    uint64_t           vram_size;
     MemoryRegion       vram_bar;
-    uint32_t           vram32_size;
+    uint64_t           vram32_size;
     MemoryRegion       vram32_bar;
 
     /* io bar */
-- 
1.8.3.1