From: Xingang Wang Date: Fri, 5 Feb 2021 01:56:44 +0000 (+0000) Subject: acpi/gpex: Fix cca attribute check for pxb device X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b48088d60e8466eea2cc517dedb7ee0d97b7feab;p=qemu.git 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 Signed-off-by: Xingang Wang Message-Id: <1612490205-48788-3-git-send-email-wangxingang5@huawei.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Igor Mammedov --- diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index 446912d771..0f01f13a6e 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))); }