[PATCH 1/3] amd/powerplay: implement the vega12_force_clock_level interface

[Kenneth Feng]

pp_dpm_sclk/pp_dpm_mclk in sysfs implemented to force
gfxclk/uclk dpm level for Vega12

Change-Id: I69816de5da21de4264d3e6b6ead2c8ed3e00d742
Signed-off-by: Kenneth Feng <kenneth.feng at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 42 +++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 7dca75c..6fedc81 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -991,15 +991,55 @@ static uint32_t vega12_find_highest_dpm_level(
 
 static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
 {
+	struct vega12_hwmgr *data = hwmgr->backend;
+	if (data->smc_state_table.gfx_boot_level !=
+			data->dpm_table.gfx_table.dpm_state.soft_min_level) {
+		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);
+		data->dpm_table.gfx_table.dpm_state.soft_min_level =
+				data->smc_state_table.gfx_boot_level;
+	}
+
+	if (data->smc_state_table.mem_boot_level !=
+			data->dpm_table.mem_table.dpm_state.soft_min_level) {
+		smum_send_msg_to_smc_with_parameter(hwmgr,
+			PPSMC_MSG_SetSoftMinByFreq,
+			(PP_MCLK+4)<<16 | data->dpm_table.mem_table.dpm_levels[data->smc_state_table.mem_boot_level].value);
+		data->dpm_table.mem_table.dpm_state.soft_min_level =
+				data->smc_state_table.mem_boot_level;
+	}
+
 	return 0;
+
 }
 
 static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
 {
+	struct vega12_hwmgr *data = hwmgr->backend;
+	if (data->smc_state_table.gfx_max_level !=
+		data->dpm_table.gfx_table.dpm_state.soft_max_level) {
+		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));
+		data->dpm_table.gfx_table.dpm_state.soft_max_level =
+				data->smc_state_table.gfx_max_level;
+	}
+
+	if (data->smc_state_table.mem_max_level !=
+		data->dpm_table.mem_table.dpm_state.soft_max_level) {
+		smum_send_msg_to_smc_with_parameter(hwmgr,
+			PPSMC_MSG_SetSoftMaxByFreq,
+			/* plus the vale by 1 to align the resolution */
+			(PP_MCLK+4)<<16 | (data->dpm_table.mem_table.dpm_levels[data->smc_state_table.mem_max_level].value + 1));
+		data->dpm_table.mem_table.dpm_state.soft_max_level =
+				data->smc_state_table.mem_max_level;
+	}
+
 	return 0;
 }
 
-
 int vega12_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
 {
 	struct vega12_hwmgr *data =
-- 
2.7.4