APMF spec has a newer section called the APTS (AMD Performance and
Thermal State) information, where each slider/power mode is associated
with an index number.
Add support to get these indices for the Static Slider.
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@xxxxxxx>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@xxxxxxx>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
---
drivers/platform/x86/amd/pmf/acpi.c | 10 ++++++
drivers/platform/x86/amd/pmf/pmf.h | 25 +++++++++++++
drivers/platform/x86/amd/pmf/sps.c | 56 ++++++++++++++++++++++++++++-
3 files changed, 90 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index f0360eea81e6..82dafe74fc6d 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -96,6 +96,16 @@ int is_apmf_func_supported(struct amd_pmf_dev *pdev, unsigned long index)
return !!(pdev->supported_func & BIT(index - 1));
}
+int apmf_get_static_slider_granular_v2(struct amd_pmf_dev *pdev,
+ struct apmf_static_slider_granular_output_v2 *data)
+{
+ if (!is_apmf_func_supported(pdev, APMF_FUNC_STATIC_SLIDER_GRANULAR))
+ return -EINVAL;
+
+ return apmf_if_call_store_buffer(pdev, APMF_FUNC_STATIC_SLIDER_GRANULAR,
+ data, sizeof(*data));
+}
+
int apmf_get_static_slider_granular(struct amd_pmf_dev *pdev,
struct apmf_static_slider_granular_output *data)
{
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 5cad11369697..e1bcd9e80ab9 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -85,6 +85,7 @@
#define MAX_OPERATION_PARAMS 4
#define PMF_IF_V1 1
+#define PMF_IF_V2 2
struct sbios_hb_event_v2 {
u16 size;
@@ -224,6 +225,14 @@ enum power_modes {
POWER_MODE_MAX,
};
+enum power_modes_v2 {
+ POWER_MODE_BEST_PERFORMANCE,
+ POWER_MODE_BALANCED,
+ POWER_MODE_BEST_POWER_EFFICIENCY,
+ POWER_MODE_ENERGY_SAVE,
+ POWER_MODE_V2_MAX,
+};
+
struct amd_pmf_dev {
void __iomem *regbase;
void __iomem *smu_virt_addr;
@@ -264,6 +273,10 @@ struct amd_pmf_dev {
u16 pmf_if_version;
};
+struct apmf_sps_prop_granular_v2 {
+ u8 power_states[POWER_SOURCE_MAX][POWER_MODE_V2_MAX];
+} __packed;
+
struct apmf_sps_prop_granular {
u32 fppt;
u32 sppt;
@@ -285,6 +298,16 @@ struct amd_pmf_static_slider_granular {
struct apmf_sps_prop_granular prop[POWER_SOURCE_MAX][POWER_MODE_MAX];
};
+struct apmf_static_slider_granular_output_v2 {
+ u16 size;
+ struct apmf_sps_prop_granular_v2 sps_idx;
+} __packed;
+
+struct amd_pmf_static_slider_granular_v2 {
+ u16 size;
+ struct apmf_sps_prop_granular_v2 sps_idx;
+};
+
struct os_power_slider {
u16 size;
u8 slider_event;
@@ -634,6 +657,8 @@ const char *amd_pmf_source_as_str(unsigned int state);
int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx);
int amd_pmf_set_sps_power_limits(struct amd_pmf_dev *pmf);
+int apmf_get_static_slider_granular_v2(struct amd_pmf_dev *dev,
+ struct apmf_static_slider_granular_output_v2 *data);
/* Auto Mode Layer */
int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data);
diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c
index 33e23e25c8b1..0cf38bdae7a4 100644
--- a/drivers/platform/x86/amd/pmf/sps.c
+++ b/drivers/platform/x86/amd/pmf/sps.c
@@ -10,9 +10,26 @@
#include "pmf.h"
+static struct amd_pmf_static_slider_granular_v2 config_store_v2;
static struct amd_pmf_static_slider_granular config_store;
#ifdef CONFIG_AMD_PMF_DEBUG
+static const char *slider_v2_as_str(unsigned int state)
+{
+ switch (state) {
+ case POWER_MODE_BEST_PERFORMANCE:
+ return "Best Performance";
+ case POWER_MODE_BALANCED:
+ return "Balanced";
+ case POWER_MODE_BEST_POWER_EFFICIENCY:
+ return "Best Power Efficiency";
+ case POWER_MODE_ENERGY_SAVE:
+ return "Energy Save";
+ default:
+ return "Unknown Power Mode";
+ }
+}
+
static const char *slider_as_str(unsigned int state)
{
switch (state) {
@@ -63,10 +80,44 @@ static void amd_pmf_dump_sps_defaults(struct amd_pmf_static_slider_granular *dat
pr_debug("Static Slider Data - END\n");
}
+
+static void amd_pmf_dump_sps_defaults_v2(struct amd_pmf_static_slider_granular_v2 *data)
+{
+ unsigned int i, j;
+
+ pr_debug("Static Slider APTS state index data - BEGIN");
+ pr_debug("size: %u\n", data->size);
+
+ for (i = 0; i < POWER_SOURCE_MAX; i++)
+ for (j = 0; j < POWER_MODE_V2_MAX; j++)
+ pr_debug("%s %s: %u\n", amd_pmf_source_as_str(i), slider_v2_as_str(j),
+ data->sps_idx.power_states[i][j]);
+
+ pr_debug("Static Slider APTS state index data - END\n");
+}
#else
static void amd_pmf_dump_sps_defaults(struct amd_pmf_static_slider_granular *data) {}
+static void amd_pmf_dump_sps_defaults_v2(struct amd_pmf_static_slider_granular_v2 *data) {}
#endif
+static void amd_pmf_load_defaults_sps_v2(struct amd_pmf_dev *dev)
+{
+ struct apmf_static_slider_granular_output_v2 output;
+ unsigned int i, j;
+
+ memset(&config_store_v2, 0, sizeof(config_store_v2));
+ apmf_get_static_slider_granular_v2(dev, &output);
+
+ config_store_v2.size = output.size;
+
+ for (i = 0; i < POWER_SOURCE_MAX; i++)
+ for (j = 0; j < POWER_MODE_V2_MAX; j++)
+ config_store_v2.sps_idx.power_states[i][j] =
+ output.sps_idx.power_states[i][j];
+
+ amd_pmf_dump_sps_defaults_v2(&config_store_v2);
+}
+
static void amd_pmf_load_defaults_sps(struct amd_pmf_dev *dev)
{
struct apmf_static_slider_granular_output output;
@@ -256,7 +307,10 @@ int amd_pmf_init_sps(struct amd_pmf_dev *dev)
dev->current_profile = PLATFORM_PROFILE_BALANCED;
if (is_apmf_func_supported(dev, APMF_FUNC_STATIC_SLIDER_GRANULAR)) {
- amd_pmf_load_defaults_sps(dev);
+ if (dev->pmf_if_version == PMF_IF_V2)
+ amd_pmf_load_defaults_sps_v2(dev);
+ else
+ amd_pmf_load_defaults_sps(dev);
/* update SPS balanced power mode thermals */
amd_pmf_set_sps_power_limits(dev);
--
2.25.1
