[PATCH 1/2] drm/amd/powerplay: correct Vega20 gfxclk readout under DS

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Current implementation cannot report the correct gfxclk under DS.

Change-Id: Ief979ae1ddc6f8107535d45052c517bafde91bf5
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 5085b3636f8e..13f124125f5a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -2013,16 +2013,20 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 {
 	struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
 	struct amdgpu_device *adev = hwmgr->adev;
+	SmuMetrics_t metrics_table;
 	uint32_t val_vid;
 	int ret = 0;
 
 	switch (idx) {
 	case AMDGPU_PP_SENSOR_GFX_SCLK:
-		ret = vega20_get_current_clk_freq(hwmgr,
-				PPCLK_GFXCLK,
-				(uint32_t *)value);
-		if (!ret)
-			*size = 4;
+		ret = smum_smc_table_manager(hwmgr, (uint8_t *)&metrics_table,
+				TABLE_SMU_METRICS, true);
+		PP_ASSERT_WITH_CODE(!ret,
+				"Failed to export SMU METRICS table!",
+				return ret);
+
+		*((uint32_t *)value) = metrics_table.AverageGfxclkFrequency * 100;
+		*size = 4;
 		break;
 	case AMDGPU_PP_SENSOR_GFX_MCLK:
 		ret = vega20_get_current_clk_freq(hwmgr,
-- 
2.20.1

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