[SRU][Q][PATCH 9/9] platform/x86/amd/pmf: Add debug logs for pending requests and custom BIOS inputs
AceLan Kao
acelan.kao at canonical.com
Tue Dec 2 06:00:54 UTC 2025
From: Shyam Sundar S K <Shyam-sundar.S-k at amd.com>
BugLink: https://bugs.launchpad.net/bugs/2125022
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 at amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy at amd.com>
Tested-by: Yijun Shen <Yijun.Shen at Dell.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k at amd.com>
Link: https://patch.msgid.link/20250901110140.2519072-10-Shyam-sundar.S-k@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen at linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen at linux.intel.com>
(cherry picked from commit 2ab7713d6e9408587731c186b9a5a208f04a6b33)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao at canonical.com>
---
drivers/platform/x86/amd/pmf/acpi.c | 4 ++++
drivers/platform/x86/amd/pmf/spc.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index 1ae2323f31975..13c4fec2c7ef9 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/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);
}
diff --git a/drivers/platform/x86/amd/pmf/spc.c b/drivers/platform/x86/amd/pmf/spc.c
index aeead2477a077..85192c7536b80 100644
--- a/drivers/platform/x86/amd/pmf/spc.c
+++ b/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]);
}
}
--
2.43.0
More information about the kernel-team
mailing list