platform/x86/amd/pmf: Add debug logs for pending requests and custom BIOS inputs

JIRA: https://issues.redhat.com/browse/RHEL-73301

commit 2ab7713
Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Date:   Mon Sep 1 16:31:40 2025 +0530

    platform/x86/amd/pmf: Add debug logs for pending requests and custom BIOS inputs

    This patch adds debug logging capabilities to monitor early pending
    requests and their associated custom BIOS inputs during runtime.

    Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
    Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
    Tested-by: Yijun Shen <Yijun.Shen@Dell.com>
    Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
    Link: https://patch.msgid.link/20250901110140.2519072-10-Shyam-sundar.S-k@amd.com
    Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Signed-off-by: Steve Best <sbest@redhat.com>

Author: sfbest

drivers/platform/x86/amd/pmf/acpi.c

@@ -353,6 +353,8 @@ static void apmf_event_handler_v2(acpi_handle handle, u32 event, void *data)
 		return;
 	}
 
+	dev_dbg(pmf_dev->dev, "Pending request (preq): 0x%x\n", pmf_dev->req.pending_req);
+
 	amd_pmf_handle_early_preq(pmf_dev);
 }
 
@@ -369,6 +371,8 @@ static void apmf_event_handler_v1(acpi_handle handle, u32 event, void *data)
 		return;
 	}
 
+	dev_dbg(pmf_dev->dev, "Pending request (preq1): 0x%x\n", pmf_dev->req1.pending_req);
+
 	amd_pmf_handle_early_preq(pmf_dev);
 }
 

drivers/platform/x86/amd/pmf/spc.c

@@ -143,6 +143,7 @@ static void amd_pmf_update_bios_inputs(struct amd_pmf_dev *pdev, u32 pending_req
 			continue;
 		amd_pmf_set_ta_custom_bios_input(in, i, custom_policy[i]);
 		pdev->cb_prev.custom_bios_inputs[i] = custom_policy[i];
+		dev_dbg(pdev->dev, "Custom BIOS Input[%d]: %u\n", i, custom_policy[i]);
 	}
 }