Merge tag 'hw-misc-20250902' of https://github.com/philmd/qemu into staging

Misc HW patches

- Compile various system files once
- Remove SDCard spec v1.10
- Remove mipssim machine and mipsnet device model
- Prevent crash in e1000e when legacy interrupt fires after enabling MSI-X
- Introduce qemu_init_irq_child()
- Remove various memory leaks reported by ASan
- Few Coverity fixes
- Use 74Kf CPU to run MIPS16e binaries and M14Kc for microMIPS ones

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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20250902' of https://github.com/philmd/qemu: (38 commits)
  hw/i386/pc_piix.c: remove unnecessary if() from pc_init1()
  hw/arm/boot: Correctly free the MemoryDeviceInfoList
  docs/about/removed-features: Clarify 'device_add' is removed
  hw/mips/malta: Include 'system/system.h'
  hw/mips/loongson3_virt: Include 'system/system.h'
  hw/isa/superio: Include 'system/system.h'
  hw/arm/virt: Include 'system/system.h'
  crypto/hmac: Allow to build hmac over multiple qcrypto_gnutls_hmac_bytes[v] calls
  hw/sd/sdcard: Refactor sd_bootpart_offset
  hw/sd/sdcard: Add validation for boot-partition-size
  hw/net: Remove mipsnet device model
  hw/mips: Remove mipssim machine
  hw/display/xlnx_dp: Don't leak dpcd and edid objects
  hw/misc/xlnx-versal-cframe-reg: Free FIFO, g_tree on deinit
  hw/char/max78000_uart: Destroy FIFO on deinit
  hw/gpio/pca9554: Avoid leak in pca9554_set_pin()
  hw/ide/ich.c: Use qemu_init_irq_child() to avoid memory leak
  hw/char/serial-pci-multi: Use qemu_init_irq_child() to avoid leak
  hw/irq: New qemu_init_irq_child() function
  hw/ppc: Fix build error with CONFIG_POWERNV disabled
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c
index 7c980ee642..ef73e1815f 100644
--- a/hw/display/xlnx_dp.c
+++ b/hw/display/xlnx_dp.c
@@ -1267,14 +1267,18 @@ static void xlnx_dp_init(Object *obj)
     s->aux_bus = aux_bus_init(DEVICE(obj), "aux");
 
     /*
-     * Initialize DPCD and EDID..
+     * Initialize DPCD and EDID. Once we have added the objects as
+     * child properties of this device, we can drop the reference we
+     * hold to them, leaving the child-property as the only reference.
      */
     s->dpcd = DPCD(qdev_new("dpcd"));
     object_property_add_child(OBJECT(s), "dpcd", OBJECT(s->dpcd));
+    object_unref(s->dpcd);
 
     s->edid = I2CDDC(qdev_new("i2c-ddc"));
     i2c_slave_set_address(I2C_SLAVE(s->edid), 0x50);
     object_property_add_child(OBJECT(s), "edid", OBJECT(s->edid));
+    object_unref(s->edid);
 
     fifo8_create(&s->rx_fifo, 16);
     fifo8_create(&s->tx_fifo, 16);
@@ -1311,8 +1315,8 @@ static void xlnx_dp_realize(DeviceState *dev, Error **errp)
     qdev_realize(DEVICE(s->dpcd), BUS(s->aux_bus), &error_fatal);
     aux_map_slave(AUX_SLAVE(s->dpcd), 0x0000);
 
-    qdev_realize_and_unref(DEVICE(s->edid), BUS(aux_get_i2c_bus(s->aux_bus)),
-                           &error_fatal);
+    qdev_realize(DEVICE(s->edid), BUS(aux_get_i2c_bus(s->aux_bus)),
+                 &error_fatal);
 
     s->console = graphic_console_init(dev, 0, &xlnx_dp_gfx_ops, s);
     surface = qemu_console_surface(s->console);