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From dd90194758a70456d1de08bd83f6d4fdfd682e44 Mon Sep 17 00:00:00 2001
From: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Date: Wed, 4 Dec 2019 15:17:38 +0800
Subject: [PATCH 4729/4736] drm/amd/powerplay: implement interface to retrieve
clock freq for renoir
implement smu12 get_clk_freq interface to get clock frequency like
MCLK/SCLK.
Change-Id: I2481d649811c15cd2d8e2741242b2928a32413fc
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h | 4 ++
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 49 +++++++++++++++++++
drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 20 ++++++++
3 files changed, 73 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
index 922973b7e29f..ad68a5623033 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
@@ -75,6 +75,10 @@ int smu_v12_0_fini_smc_tables(struct smu_context *smu);
int smu_v12_0_populate_smc_tables(struct smu_context *smu);
+int smu_v12_0_get_current_clk_freq(struct smu_context *smu,
+ enum smu_clk_type clk_id,
+ uint32_t *value);
+
int smu_v12_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max);
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index be3c996728b1..861445f66e3e 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -31,6 +31,9 @@
#include "renoir_ppt.h"
+#define CLK_MAP(clk, index) \
+ [SMU_##clk] = {1, (index)}
+
#define MSG_MAP(msg, index) \
[SMU_MSG_##msg] = {1, (index)}
@@ -104,6 +107,14 @@ static struct smu_12_0_cmn2aisc_mapping renoir_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(SetHardMinFclkByFreq, PPSMC_MSG_SetHardMinFclkByFreq),
};
+static struct smu_12_0_cmn2aisc_mapping renoir_clk_map[SMU_CLK_COUNT] = {
+ CLK_MAP(GFXCLK, CLOCK_GFXCLK),
+ CLK_MAP(SCLK, CLOCK_GFXCLK),
+ CLK_MAP(SOCCLK, CLOCK_SOCCLK),
+ CLK_MAP(UCLK, CLOCK_UMCCLK),
+ CLK_MAP(MCLK, CLOCK_UMCCLK),
+};
+
static struct smu_12_0_cmn2aisc_mapping renoir_table_map[SMU_TABLE_COUNT] = {
TAB_MAP_VALID(WATERMARKS),
TAB_MAP_INVALID(CUSTOM_DPM),
@@ -125,6 +136,21 @@ static int renoir_get_smu_msg_index(struct smu_context *smc, uint32_t index)
return mapping.map_to;
}
+static int renoir_get_smu_clk_index(struct smu_context *smc, uint32_t index)
+{
+ struct smu_12_0_cmn2aisc_mapping mapping;
+
+ if (index >= SMU_CLK_COUNT)
+ return -EINVAL;
+
+ mapping = renoir_clk_map[index];
+ if (!(mapping.valid_mapping)) {
+ return -EINVAL;
+ }
+
+ return mapping.map_to;
+}
+
static int renoir_get_smu_table_index(struct smu_context *smc, uint32_t index)
{
struct smu_12_0_cmn2aisc_mapping mapping;
@@ -352,6 +378,26 @@ static int renoir_dpm_set_jpeg_enable(struct smu_context *smu, bool enable)
return ret;
}
+static int renoir_get_current_clk_freq_by_table(struct smu_context *smu,
+ enum smu_clk_type clk_type,
+ uint32_t *value)
+{
+ int ret = 0, clk_id = 0;
+ SmuMetrics_t metrics;
+
+ ret = renoir_get_metrics_table(smu, &metrics);
+ if (ret)
+ return ret;
+
+ clk_id = smu_clk_get_index(smu, clk_type);
+ if (clk_id < 0)
+ return clk_id;
+
+ *value = metrics.ClockFrequency[clk_id];
+
+ return ret;
+}
+
static int renoir_force_dpm_limit_value(struct smu_context *smu, bool highest)
{
int ret = 0, i = 0;
@@ -799,6 +845,7 @@ static int renoir_read_sensor(struct smu_context *smu,
static const struct pptable_funcs renoir_ppt_funcs = {
.get_smu_msg_index = renoir_get_smu_msg_index,
+ .get_smu_clk_index = renoir_get_smu_clk_index,
.get_smu_table_index = renoir_get_smu_table_index,
.tables_init = renoir_tables_init,
.set_power_state = NULL,
@@ -807,6 +854,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
.get_current_power_state = renoir_get_current_power_state,
.dpm_set_uvd_enable = renoir_dpm_set_uvd_enable,
.dpm_set_jpeg_enable = renoir_dpm_set_jpeg_enable,
+ .get_current_clk_freq_by_table = renoir_get_current_clk_freq_by_table,
.force_dpm_limit_value = renoir_force_dpm_limit_value,
.unforce_dpm_levels = renoir_unforce_dpm_levels,
.get_workload_type = renoir_get_workload_type,
@@ -830,6 +878,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
.init_smc_tables = smu_v12_0_init_smc_tables,
.fini_smc_tables = smu_v12_0_fini_smc_tables,
.populate_smc_tables = smu_v12_0_populate_smc_tables,
+ .get_current_clk_freq = smu_v12_0_get_current_clk_freq,
.get_dpm_ultimate_freq = smu_v12_0_get_dpm_ultimate_freq,
.mode2_reset = smu_v12_0_mode2_reset,
.set_soft_freq_limited_range = smu_v12_0_set_soft_freq_limited_range,
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
index 951aa4570a04..0e10cec5e9c3 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
@@ -330,6 +330,26 @@ int smu_v12_0_populate_smc_tables(struct smu_context *smu)
return smu_update_table(smu, SMU_TABLE_DPMCLOCKS, 0, smu_table->clocks_table, false);
}
+int smu_v12_0_get_current_clk_freq(struct smu_context *smu,
+ enum smu_clk_type clk_id,
+ uint32_t *value)
+{
+ int ret = 0;
+ uint32_t freq = 0;
+
+ if (clk_id >= SMU_CLK_COUNT || !value)
+ return -EINVAL;
+
+ ret = smu_get_current_clk_freq_by_table(smu, clk_id, &freq);
+ if (ret)
+ return ret;
+
+ freq *= 100;
+ *value = freq;
+
+ return ret;
+}
+
int smu_v12_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max)
{
--
2.17.1
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