drm/amd/pp: Add S3 support for OD feature

make custom values survive when S3 sleep transitions.
so not reset the od table if it is not null.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 64 insertions, 62 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index f8e866ceda02..fdb20db9c147 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -885,6 +885,60 @@ static void smu7_setup_voltage_range_from_vbios(struct pp_hwmgr *hwmgr)
 	data->odn_dpm_table.max_vddc = max_vddc;
 }
 
+static void smu7_check_dpm_table_updated(struct pp_hwmgr *hwmgr)
+{
+	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+	struct smu7_odn_dpm_table *odn_table = &(data->odn_dpm_table);
+	struct phm_ppt_v1_information *table_info =
+			(struct phm_ppt_v1_information *)(hwmgr->pptable);
+	uint32_t i;
+
+	struct phm_ppt_v1_clock_voltage_dependency_table *dep_table;
+	struct phm_ppt_v1_clock_voltage_dependency_table *odn_dep_table;
+
+	if (table_info == NULL)
+		return;
+
+	for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
+		if (odn_table->odn_core_clock_dpm_levels.entries[i].clock !=
+					data->dpm_table.sclk_table.dpm_levels[i].value) {
+			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
+			break;
+		}
+	}
+
+	for (i = 0; i < data->dpm_table.mclk_table.count; i++) {
+		if (odn_table->odn_memory_clock_dpm_levels.entries[i].clock !=
+					data->dpm_table.mclk_table.dpm_levels[i].value) {
+			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
+			break;
+		}
+	}
+
+	dep_table = table_info->vdd_dep_on_mclk;
+	odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_mclk);
+
+	for (i = 0; i < dep_table->count; i++) {
+		if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
+			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_MCLK;
+			return;
+		}
+	}
+
+	dep_table = table_info->vdd_dep_on_sclk;
+	odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_sclk);
+	for (i = 0; i < dep_table->count; i++) {
+		if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
+			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_SCLK;
+			return;
+		}
+	}
+	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) {
+		data->need_update_smu7_dpm_table &= ~DPMTABLE_OD_UPDATE_VDDC;
+		data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_OD_UPDATE_MCLK;
+	}
+}
+
 static int smu7_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -904,10 +958,13 @@ static int smu7_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
 
 	/* initialize ODN table */
 	if (hwmgr->od_enabled) {
-		smu7_setup_voltage_range_from_vbios(hwmgr);
-		smu7_odn_initial_default_setting(hwmgr);
+		if (data->odn_dpm_table.max_vddc) {
+			smu7_check_dpm_table_updated(hwmgr);
+		} else {
+			smu7_setup_voltage_range_from_vbios(hwmgr);
+			smu7_odn_initial_default_setting(hwmgr);
+		}
 	}
-
 	return 0;
 }
 
@@ -3717,8 +3774,9 @@ static int smu7_trim_single_dpm_states(struct pp_hwmgr *hwmgr,
 	uint32_t i;
 
 	for (i = 0; i < dpm_table->count; i++) {
-		if ((dpm_table->dpm_levels[i].value < low_limit)
-		|| (dpm_table->dpm_levels[i].value > high_limit))
+	/*skip the trim if od is enabled*/
+		if (!hwmgr->od_enabled && (dpm_table->dpm_levels[i].value < low_limit
+			|| dpm_table->dpm_levels[i].value > high_limit))
 			dpm_table->dpm_levels[i].enabled = false;
 		else
 			dpm_table->dpm_levels[i].enabled = true;
@@ -3762,10 +3820,8 @@ static int smu7_generate_dpm_level_enable_mask(
 	const struct smu7_power_state *smu7_ps =
 			cast_const_phw_smu7_power_state(states->pnew_state);
 
-	/*skip the trim if od is enabled*/
-	if (!hwmgr->od_enabled)
-		result = smu7_trim_dpm_states(hwmgr, smu7_ps);
 
+	result = smu7_trim_dpm_states(hwmgr, smu7_ps);
 	if (result)
 		return result;
 
@@ -4739,60 +4795,6 @@ static bool smu7_check_clk_voltage_valid(struct pp_hwmgr *hwmgr,
 	return true;
 }
 
-static void smu7_check_dpm_table_updated(struct pp_hwmgr *hwmgr)
-{
-	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-	struct smu7_odn_dpm_table *odn_table = &(data->odn_dpm_table);
-	struct phm_ppt_v1_information *table_info =
-			(struct phm_ppt_v1_information *)(hwmgr->pptable);
-	uint32_t i;
-
-	struct phm_ppt_v1_clock_voltage_dependency_table *dep_table;
-	struct phm_ppt_v1_clock_voltage_dependency_table *odn_dep_table;
-
-	if (table_info == NULL)
-		return;
-
-	for (i=0; i<data->dpm_table.sclk_table.count; i++) {
-		if (odn_table->odn_core_clock_dpm_levels.entries[i].clock !=
-					data->dpm_table.sclk_table.dpm_levels[i].value) {
-			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
-			break;
-		}
-	}
-
-	for (i=0; i<data->dpm_table.mclk_table.count; i++) {
-		if (odn_table->odn_memory_clock_dpm_levels.entries[i].clock !=
-					data->dpm_table.mclk_table.dpm_levels[i].value) {
-			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
-			break;
-		}
-	}
-
-	dep_table = table_info->vdd_dep_on_mclk;
-	odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_mclk);
-
-	for (i=0; i < dep_table->count; i++) {
-		if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
-			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_MCLK;
-			return;
-		}
-	}
-
-	dep_table = table_info->vdd_dep_on_sclk;
-	odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_sclk);
-	for (i=0; i < dep_table->count; i++) {
-		if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
-			data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_SCLK;
-			return;
-		}
-	}
-	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) {
-		data->need_update_smu7_dpm_table &= ~DPMTABLE_OD_UPDATE_VDDC;
-		data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_OD_UPDATE_MCLK;
-	}
-}
-
 static int smu7_odn_edit_dpm_table(struct pp_hwmgr *hwmgr,
 					enum PP_OD_DPM_TABLE_COMMAND type,
 					long *input, uint32_t size)