drm/amd/powerplay: add Renoir support for gpu metrics export(V2)

Add Renoir gpu metrics export interface.

V2: use memcpy to make code more compact

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 02de3b6..fa2e8cb 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
@@ -60,5 +60,7 @@ int smu_v12_0_set_soft_freq_limited_range(struct smu_context *smu, enum smu_clk_
 
 int smu_v12_0_set_driver_table_location(struct smu_context *smu);
 
+void smu_v12_0_init_gpu_metrics_v2_0(struct gpu_metrics_v2_0 *gpu_metrics);
+
 #endif
 #endif

diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index 575ae4b..61e8700 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -166,18 +166,32 @@ static int renoir_init_smc_tables(struct smu_context *smu)
 
        smu_table->clocks_table = kzalloc(sizeof(DpmClocks_t), GFP_KERNEL);
        if (!smu_table->clocks_table)
-               return -ENOMEM;
+               goto err0_out;
 
        smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_t), GFP_KERNEL);
        if (!smu_table->metrics_table)
-               return -ENOMEM;
+               goto err1_out;
        smu_table->metrics_time = 0;
 
        smu_table->watermarks_table = kzalloc(sizeof(Watermarks_t), GFP_KERNEL);
        if (!smu_table->watermarks_table)
-               return -ENOMEM;
+               goto err2_out;
+
+       smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v2_0);
+       smu_table->gpu_metrics_table = kzalloc(smu_table->gpu_metrics_table_size, GFP_KERNEL);
+       if (!smu_table->gpu_metrics_table)
+               goto err3_out;
 
        return 0;
+
+err3_out:
+       kfree(smu_table->watermarks_table);
+err2_out:
+       kfree(smu_table->metrics_table);
+err1_out:
+       kfree(smu_table->clocks_table);
+err0_out:
+       return -ENOMEM;
 }
 
 /**
@@ -995,6 +1009,65 @@ static bool renoir_is_dpm_running(struct smu_context *smu)
 
 }
 
+static ssize_t renoir_get_gpu_metrics(struct smu_context *smu,
+                                     void **table)
+{
+       struct smu_table_context *smu_table = &smu->smu_table;
+       struct gpu_metrics_v2_0 *gpu_metrics =
+               (struct gpu_metrics_v2_0 *)smu_table->gpu_metrics_table;
+       SmuMetrics_t metrics;
+       int ret = 0;
+
+       ret = renoir_get_metrics_table(smu, &metrics);
+       if (ret)
+               return ret;
+
+       smu_v12_0_init_gpu_metrics_v2_0(gpu_metrics);
+
+       gpu_metrics->temperature_gfx = metrics.GfxTemperature;
+       gpu_metrics->temperature_soc = metrics.SocTemperature;
+       memcpy(&gpu_metrics->temperature_core[0],
+               &metrics.CoreTemperature[0],
+               sizeof(uint16_t) * 8);
+       gpu_metrics->temperature_l3[0] = metrics.L3Temperature[0];
+       gpu_metrics->temperature_l3[1] = metrics.L3Temperature[1];
+
+       gpu_metrics->average_gfx_activity = metrics.AverageGfxActivity;
+       gpu_metrics->average_mm_activity = metrics.AverageUvdActivity;
+
+       gpu_metrics->average_socket_power = metrics.CurrentSocketPower;
+       gpu_metrics->average_cpu_power = metrics.Power[0];
+       gpu_metrics->average_soc_power = metrics.Power[1];
+       memcpy(&gpu_metrics->average_core_power[0],
+               &metrics.CorePower[0],
+               sizeof(uint16_t) * 8);
+
+       gpu_metrics->average_gfxclk_frequency = metrics.AverageGfxclkFrequency;
+       gpu_metrics->average_socclk_frequency = metrics.AverageSocclkFrequency;
+       gpu_metrics->average_fclk_frequency = metrics.AverageFclkFrequency;
+       gpu_metrics->average_vclk_frequency = metrics.AverageVclkFrequency;
+
+       gpu_metrics->current_gfxclk = metrics.ClockFrequency[CLOCK_GFXCLK];
+       gpu_metrics->current_socclk = metrics.ClockFrequency[CLOCK_SOCCLK];
+       gpu_metrics->current_uclk = metrics.ClockFrequency[CLOCK_UMCCLK];
+       gpu_metrics->current_fclk = metrics.ClockFrequency[CLOCK_FCLK];
+       gpu_metrics->current_vclk = metrics.ClockFrequency[CLOCK_VCLK];
+       gpu_metrics->current_dclk = metrics.ClockFrequency[CLOCK_DCLK];
+       memcpy(&gpu_metrics->current_coreclk[0],
+               &metrics.CoreFrequency[0],
+               sizeof(uint16_t) * 8);
+       gpu_metrics->current_l3clk[0] = metrics.L3Frequency[0];
+       gpu_metrics->current_l3clk[1] = metrics.L3Frequency[1];
+
+       gpu_metrics->throttle_status = metrics.ThrottlerStatus;
+
+       gpu_metrics->fan_pwm = metrics.FanPwm;
+
+       *table = (void *)gpu_metrics;
+
+       return sizeof(struct gpu_metrics_v2_0);
+}
+
 static const struct pptable_funcs renoir_ppt_funcs = {
        .set_power_state = NULL,
        .print_clk_levels = renoir_print_clk_levels,
@@ -1029,6 +1102,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
        .is_dpm_running = renoir_is_dpm_running,
        .get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
        .set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
+       .get_gpu_metrics = renoir_get_gpu_metrics,
 };
 
 void renoir_set_ppt_funcs(struct smu_context *smu)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
index 3145643..660f403 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
@@ -274,3 +274,15 @@ int smu_v12_0_set_driver_table_location(struct smu_context *smu)
 
        return ret;
 }
+
+void smu_v12_0_init_gpu_metrics_v2_0(struct gpu_metrics_v2_0 *gpu_metrics)
+{
+       memset(gpu_metrics, 0xFF, sizeof(struct gpu_metrics_v2_0));
+
+       gpu_metrics->common_header.structure_size =
+                               sizeof(struct gpu_metrics_v2_0);
+       gpu_metrics->common_header.format_revision = 2;
+       gpu_metrics->common_header.content_revision = 0;
+
+       gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
+}