[PATCH] drm/amd/powerplay: implement pp_dpm_sclk sysfs interface on Vega12

[Kenneth Feng]

Change-Id: Icd8f1a9bb9ef4bbd439f5eb5febd1d624b06bbd2
Signed-off-by: Kenneth Feng <kenneth.feng at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 27 +++++++++++++++++-----
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 6a85238..caeabda 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -1742,13 +1742,28 @@ static int vega12_force_clock_level(struct pp_hwmgr *hwmgr,
 		data->smc_state_table.gfx_boot_level = mask ? (ffs(mask) - 1) : 0;
 		data->smc_state_table.gfx_max_level = mask ? (fls(mask) - 1) : 0;
 
-		PP_ASSERT_WITH_CODE(!vega12_upload_dpm_min_level(hwmgr),
-			"Failed to upload boot level to lowest!",
-			return -EINVAL);
+		if (data->smc_state_table.gfx_boot_level !=
+				data->dpm_table.gfx_table.dpm_state.soft_min_level) {
+			PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+				PPSMC_MSG_SetSoftMinByFreq,
+				PP_SCLK<<16 | data->dpm_table.gfx_table.dpm_levels[data->smc_state_table.gfx_boot_level].value) == 0,
+				"Failed to upload boot level to lowest!", return -EINVAL);
+			data->dpm_table.gfx_table.dpm_state.soft_min_level =
+					data->smc_state_table.gfx_boot_level;
+
+		}
+
+		if (data->smc_state_table.gfx_max_level !=
+			data->dpm_table.gfx_table.dpm_state.soft_max_level) {
+			PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+				PPSMC_MSG_SetSoftMaxByFreq,
+				/* plus the vale by 1 to align the resolution */
+				PP_SCLK<<16 | (data->dpm_table.gfx_table.dpm_levels[data->smc_state_table.gfx_max_level].value + 1)) == 0,
+				"Failed to upload dpm max level to highest!", return -EINVAL);
+			data->dpm_table.gfx_table.dpm_state.soft_max_level =
+					data->smc_state_table.gfx_max_level;
+		}
 
-		PP_ASSERT_WITH_CODE(!vega12_upload_dpm_max_level(hwmgr),
-			"Failed to upload dpm max level to highest!",
-			return -EINVAL);
 		break;
 
 	case PP_MCLK:
-- 
2.7.4