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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Oct 2025 08:08:57.2402 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 753970f5-66d7-4d45-668a-08de1142401a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00006003.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB7003 Received-SPF: permerror client-ip=2a01:111:f403:c110::1; envelope-from=skolothumtho@nvidia.com; helo=BN1PR04CU002.outbound.protection.outlook.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_SPF_HELO=1, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @Nvidia.com) X-ZM-MESSAGEID: 1761120573782154100 From: Eric Auger Currently, only function 0 is supported. According to the ACPI Specification, Revision 6.6, Section 9.1.1 =E2=80=9C_DSM (Device Specific Method)=E2=80=9D, bit 0 should be 0 to indicate that no other functions are supported beyond function 0. The resulting AML change looks like this: Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method { If ((Arg0 =3D=3D ToUUID ("e5c937d0-3553-4d7a-9117-ea4d19c3434d") { If ((Arg2 =3D=3D Zero)) { Return (Buffer (One) { - 0x01 // . + 0x00 // . }) } } } Fixes: 5b85eabe68f9 ("acpi: add acpi_dsdt_add_gpex") Signed-off-by: Eric Auger Signed-off-by: Shameer Kolothum --- hw/pci-host/gpex-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index 952a0ace19..4587baeb78 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -64,7 +64,7 @@ static Aml *build_pci_host_bridge_dsm_method(void) UUID =3D aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D"); ifctx =3D aml_if(aml_equal(aml_arg(0), UUID)); ifctx1 =3D aml_if(aml_equal(aml_arg(2), aml_int(0))); - uint8_t byte_list[1] =3D {1}; + uint8_t byte_list[1] =3D {0}; buf =3D aml_buffer(1, byte_list); aml_append(ifctx1, aml_return(buf)); aml_append(ifctx, ifctx1); --=20 2.43.0