Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180626-pull-request' into staging

vga: bugfix collection.

# gpg: Signature made Tue 26 Jun 2018 17:27:23 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20180626-pull-request:
  virtio-gpu-3d: Drop workaround for VIRTIO_GPU_CAPSET_VIRGL2 define
  ramfb: fix overflow
  vga: set owner for mmio regions
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/display/ramfb.c

@@ -36,8 +36,8 @@ static void ramfb_fw_cfg_write(void *dev, off_t offset, size_t len)
 {
     RAMFBState *s = dev;
     void *framebuffer;
-    uint32_t stride, fourcc, format;
-    hwaddr addr, length;
+    uint32_t fourcc, format;
+    hwaddr stride, addr, length;
 
     s->width  = be32_to_cpu(s->cfg.width);
     s->height = be32_to_cpu(s->cfg.height);

hw/display/vga-pci.c

@@ -192,22 +192,23 @@ static const MemoryRegionOps pci_vga_qext_ops = {
 };
 
 void pci_std_vga_mmio_region_init(VGACommonState *s,
+                                  Object *owner,
                                   MemoryRegion *parent,
                                   MemoryRegion *subs,
                                   bool qext)
 {
-    memory_region_init_io(&subs[0], NULL, &pci_vga_ioport_ops, s,
+    memory_region_init_io(&subs[0], owner, &pci_vga_ioport_ops, s,
                           "vga ioports remapped", PCI_VGA_IOPORT_SIZE);
     memory_region_add_subregion(parent, PCI_VGA_IOPORT_OFFSET,
                                 &subs[0]);
 
-    memory_region_init_io(&subs[1], NULL, &pci_vga_bochs_ops, s,
+    memory_region_init_io(&subs[1], owner, &pci_vga_bochs_ops, s,
                           "bochs dispi interface", PCI_VGA_BOCHS_SIZE);
     memory_region_add_subregion(parent, PCI_VGA_BOCHS_OFFSET,
                                 &subs[1]);
 
     if (qext) {
-        memory_region_init_io(&subs[2], NULL, &pci_vga_qext_ops, s,
+        memory_region_init_io(&subs[2], owner, &pci_vga_qext_ops, s,
                               "qemu extended regs", PCI_VGA_QEXT_SIZE);
         memory_region_add_subregion(parent, PCI_VGA_QEXT_OFFSET,
                                     &subs[2]);
@@ -239,7 +240,7 @@ static void pci_std_vga_realize(PCIDevice *dev, Error **errp)
             qext = true;
             pci_set_byte(&d->dev.config[PCI_REVISION_ID], 2);
         }
-        pci_std_vga_mmio_region_init(s, &d->mmio, d->mrs, qext);
+        pci_std_vga_mmio_region_init(s, OBJECT(dev), &d->mmio, d->mrs, qext);
 
         pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
     }
@@ -275,7 +276,7 @@ static void pci_secondary_vga_realize(PCIDevice *dev, Error **errp)
         qext = true;
         pci_set_byte(&d->dev.config[PCI_REVISION_ID], 2);
     }
-    pci_std_vga_mmio_region_init(s, &d->mmio, d->mrs, qext);
+    pci_std_vga_mmio_region_init(s, OBJECT(dev), &d->mmio, d->mrs, qext);
 
     pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
     pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);

hw/display/vga_int.h

@@ -193,6 +193,7 @@ extern const MemoryRegionOps vga_mem_ops;
 
 /* vga-pci.c */
 void pci_std_vga_mmio_region_init(VGACommonState *s,
+                                  Object *owner,
                                   MemoryRegion *parent,
                                   MemoryRegion *subs,
                                   bool qext);

hw/display/virtio-vga.c

@@ -152,7 +152,7 @@ static void virtio_vga_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     }
 
     /* add stdvga mmio regions */
-    pci_std_vga_mmio_region_init(vga, &vpci_dev->modern_bar,
+    pci_std_vga_mmio_region_init(vga, OBJECT(vvga), &vpci_dev->modern_bar,
                                  vvga->vga_mrs, true);
 
     vga->con = g->scanout[0].con;

include/hw/virtio/virtio-gpu.h

@@ -22,11 +22,6 @@
 
 #include "standard-headers/linux/virtio_gpu.h"
 
-/* Not yet(?) defined in standard-headers, remove when possible */
-#ifndef VIRTIO_GPU_CAPSET_VIRGL2
-#define VIRTIO_GPU_CAPSET_VIRGL2 2
-#endif
-
 #define TYPE_VIRTIO_GPU "virtio-gpu-device"
 #define VIRTIO_GPU(obj)                                        \
         OBJECT_CHECK(VirtIOGPU, (obj), TYPE_VIRTIO_GPU)