[PATCH 4/4] drm/amd/pm: add Raven2 watermak WmType setting

Evan Quan evan.quan at amd.com
Mon Sep 7 09:01:26 UTC 2020


Which tells it's a nomral pstate change or memory retraining.

Change-Id: If55d6c3f1dfc28005c6d767154664feddcda6f5b
Signed-off-by: Evan Quan <evan.quan at amd.com>
Tested-by: Changfeng Zhu <Changfeng.Zhu at amd.com>
---
 drivers/gpu/drm/amd/pm/inc/smu10_driver_if.h         |  3 ++-
 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/inc/smu10_driver_if.h b/drivers/gpu/drm/amd/pm/inc/smu10_driver_if.h
index dea8fe93da63..c498158771cc 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu10_driver_if.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu10_driver_if.h
@@ -54,7 +54,8 @@ typedef struct {
 	uint16_t MaxMclk;
 
 	uint8_t  WmSetting;
-	uint8_t  Padding[3];
+	uint8_t  WmType;
+	uint8_t  Padding[2];
 } WatermarkRowGeneric_t;
 
 #define NUM_WM_RANGES 4
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
index 9ee8cf8267c8..88792dba1759 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
@@ -1181,8 +1181,19 @@ static int smu10_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr,
 	struct smu10_hwmgr *data = hwmgr->backend;
 	struct dm_pp_wm_sets_with_clock_ranges_soc15 *wm_with_clock_ranges = clock_ranges;
 	Watermarks_t *table = &(data->water_marks_table);
+	struct amdgpu_device *adev = hwmgr->adev;
+	int i;
 
 	smu_set_watermarks_for_clocks_ranges(table,wm_with_clock_ranges);
+
+	if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
+		for (i = 0; i < NUM_WM_RANGES; i++)
+			table->WatermarkRow[WM_DCFCLK][i].WmType = (uint8_t)0;
+
+		for (i = 0; i < NUM_WM_RANGES; i++)
+			table->WatermarkRow[WM_SOCCLK][i].WmType = (uint8_t)0;
+	}
+
 	smum_smc_table_manager(hwmgr, (uint8_t *)table, (uint16_t)SMU10_WMTABLE, false);
 	data->water_marks_exist = true;
 	return 0;
-- 
2.28.0



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