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| author | Xingang Wang <wangxingang5@huawei.com> | 2021-02-05 01:56:44 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-02-23 10:06:55 -0500 |
| commit | b48088d60e8466eea2cc517dedb7ee0d97b7feab (patch) | |
| tree | 3aea76b3a2c6d3c43ea099275ff9aac4d4ebdd2f /hw/pci-host | |
| parent | 451730cfe455a00c6d36fc110ef9b7ab6d646a82 (diff) | |
| download | qemu-b48088d60e8466eea2cc517dedb7ee0d97b7feab.zip qemu-b48088d60e8466eea2cc517dedb7ee0d97b7feab.tar.gz qemu-b48088d60e8466eea2cc517dedb7ee0d97b7feab.tar.bz2 | |
acpi/gpex: Fix cca attribute check for pxb device
When check DMA support for device attached to pxb,
the cache coherency attribute need to be set.
This add _CCA attribute for pxb DSDT.
Fixes: 6f9765fbad ("acpi/gpex: Build tables for pxb")
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1612490205-48788-3-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Diffstat (limited to 'hw/pci-host')
| -rw-r--r-- | hw/pci-host/gpex-acpi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index 446912d..0f01f13 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -175,6 +175,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); aml_append(dev, aml_name_decl("_UID", aml_int(bus_num))); aml_append(dev, aml_name_decl("_STR", aml_unicode("pxb Device"))); + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); if (numa_node != NUMA_NODE_UNASSIGNED) { aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node))); } |