platform/x86/amd/pmf: Disable debugfs support for querying power thermals

The GET interface to receive the active power thermal information from
the PMFW has been deprecated. Hence drop the debugfs support from
version2 onwards.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240306114415.3267603-3-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>

diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index feaa09f5b35a125c9c704a432f82c7672b7bc139..a6bdde4f1c68e2b99cfabbdec6c1221b02b68ea2 100644 (file)
--- a/drivers/platform/x86/amd/pmf/core.c
+++ b/drivers/platform/x86/amd/pmf/core.c
@@ -113,8 +113,9 @@ static void amd_pmf_dbgfs_unregister(struct amd_pmf_dev *dev)
 static void amd_pmf_dbgfs_register(struct amd_pmf_dev *dev)
 {
        dev->dbgfs_dir = debugfs_create_dir("amd_pmf", NULL);
-       debugfs_create_file("current_power_limits", 0644, dev->dbgfs_dir, dev,
-                           &current_power_limits_fops);
+       if (dev->pmf_if_version == PMF_IF_V1)
+               debugfs_create_file("current_power_limits", 0644, dev->dbgfs_dir, dev,
+                                   &current_power_limits_fops);
 }
 
 int amd_pmf_get_power_source(void)

diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 2f23ced7da66d2e65b0f0f4134a8fd39e12ccb22..51e31d008ef9967f92176ec38b960d915a82df24 100644 (file)
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -87,6 +87,8 @@ struct cookie_header {
 #define TA_OUTPUT_RESERVED_MEM                         906
 #define MAX_OPERATION_PARAMS                                   4
 
+#define PMF_IF_V1              1
+
 /* AMD PMF BIOS interfaces */
 struct apmf_verify_interface {
        u16 size;