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authorShyam Sundar S K <Shyam-sundar.S-k@amd.com>2024-03-06 17:14:10 +0530
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2024-03-12 12:48:25 +0200
commit233f78e11e1fa0387d1600875bef02a2d714f2e2 (patch)
treeacec6e7fb2883a69efc52a9f149cbe113aa37a33 /drivers/platform
parenta33e9e106601b5271561e7d79a3d3c4e7e84f07f (diff)
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/amd/pmf/core.c5
-rw-r--r--drivers/platform/x86/amd/pmf/pmf.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index feaa09f5b35a..a6bdde4f1c68 100644
--- 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 2f23ced7da66..51e31d008ef9 100644
--- 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;