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authorEvan Quan <evan.quan@amd.com>2019-04-18 08:28:12 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-05-24 20:20:47 +0300
commitada2b8f1c8289c0b1a6ac775a7d52d8df62140e0 (patch)
treeaff49a2dbc6fbe39038cdb89b089168773e848b6 /drivers/gpu/drm/amd/powerplay/hwmgr
parent901cb599dbc233fc325e3602e7c1218d2c24359c (diff)
downloadlinux-ada2b8f1c8289c0b1a6ac775a7d52d8df62140e0.tar.xz
drm/amd/powerplay: support SMU metrics table on Vega12
That should provide some necessary sensor information. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c21
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h3
2 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 60c9f9502e65..aeeeaa79056c 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -1237,6 +1237,27 @@ static uint32_t vega12_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
return (mem_clk * 100);
}
+static int vega12_get_metrics_table(struct pp_hwmgr *hwmgr, SmuMetrics_t *metrics_table)
+{
+ struct vega12_hwmgr *data =
+ (struct vega12_hwmgr *)(hwmgr->backend);
+ int ret = 0;
+
+ if (!data->metrics_time || time_after(jiffies, data->metrics_time + HZ / 2)) {
+ ret = smum_smc_table_manager(hwmgr, (uint8_t *)metrics_table,
+ TABLE_SMU_METRICS, true);
+ if (ret) {
+ pr_info("Failed to export SMU metrics table!\n");
+ return ret;
+ }
+ memcpy(&data->metrics_table, metrics_table, sizeof(SmuMetrics_t));
+ data->metrics_time = jiffies;
+ } else
+ memcpy(metrics_table, &data->metrics_table, sizeof(SmuMetrics_t));
+
+ return ret;
+}
+
static int vega12_get_gpu_power(struct pp_hwmgr *hwmgr, uint32_t *query)
{
#if 0
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
index b3e424d28994..73875399666a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
@@ -396,6 +396,9 @@ struct vega12_hwmgr {
/* ---- Gfxoff ---- */
bool gfxoff_controlled_by_driver;
+
+ unsigned long metrics_time;
+ SmuMetrics_t metrics_table;
};
#define VEGA12_DPM2_NEAR_TDP_DEC 10