[PATCH 1/2] drm/amd/powerplay: support uclk activity retrieve on sw smu routine

[Evan Quan]

Support realtime uclk activity report.

Change-Id: I89cf7c95233060ee106e9fcef3b8e6707cd60466
Signed-off-by: Evan Quan <evan.q...@amd.com>
---
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c 
b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 87ccca045f36..738ae1d2ef17 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1123,6 +1123,7 @@ static int smu_v11_0_get_metrics_table(struct smu_context 
*smu,
 }
 
 static int smu_v11_0_get_current_activity_percent(struct smu_context *smu,
+                                                 enum amd_pp_sensors sensor,
                                                  uint32_t *value)
 {
        int ret = 0;
@@ -1135,7 +1136,17 @@ static int smu_v11_0_get_current_activity_percent(struct 
smu_context *smu,
        if (ret)
                return ret;
 
-       *value = metrics.AverageGfxActivity;
+       switch (sensor) {
+       case AMDGPU_PP_SENSOR_GPU_LOAD:
+               *value = metrics.AverageGfxActivity;
+               break;
+       case AMDGPU_PP_SENSOR_MEM_LOAD:
+               *value = metrics.AverageUclkActivity;
+               break;
+       default:
+               pr_err("Invalid sensor for retrieving clock activity\n");
+               return -EINVAL;
+       }
 
        return 0;
 }
@@ -1210,7 +1221,9 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
        int ret = 0;
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GPU_LOAD:
+       case AMDGPU_PP_SENSOR_MEM_LOAD:
                ret = smu_v11_0_get_current_activity_percent(smu,
+                                                            sensor,
                                                             (uint32_t *)data);
                *size = 4;
                break;
-- 
2.21.0

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