drm/amd/pm: Support for getting power1_cap_min value

Support for getting power1_cap_min value on smu13 and smu11.
For other Asics, we still use 0 as the default value.

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 66 insertions, 39 deletions

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index 6109784a3ed5..2cb6b68222ba 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -1278,14 +1278,15 @@ static int arcturus_get_fan_parameters(struct smu_context *smu)
 }
 
 static int arcturus_get_power_limit(struct smu_context *smu,
-				    uint32_t *current_power_limit,
-				    uint32_t *default_power_limit,
-				    uint32_t *max_power_limit)
+					uint32_t *current_power_limit,
+					uint32_t *default_power_limit,
+					uint32_t *max_power_limit,
+					uint32_t *min_power_limit)
 {
 	struct smu_11_0_powerplay_table *powerplay_table =
 		(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
 	PPTable_t *pptable = smu->smu_table.driver_pptable;
-	uint32_t power_limit, od_percent;
+	uint32_t power_limit, od_percent_upper, od_percent_lower;
 
 	if (smu_v11_0_get_current_power_limit(smu, &power_limit)) {
 		/* the last hope to figure out the ppt limit */
@@ -1302,17 +1303,25 @@ static int arcturus_get_power_limit(struct smu_context *smu,
 	if (default_power_limit)
 		*default_power_limit = power_limit;
 
-	if (max_power_limit) {
-		if (smu->od_enabled) {
-			od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+	if (smu->od_enabled) {
+		od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+		od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+	} else {
+		od_percent_upper = 0;
+		od_percent_lower = 100;
+	}
 
-			dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit);
+	dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
+							od_percent_upper, od_percent_lower, power_limit);
 
-			power_limit *= (100 + od_percent);
-			power_limit /= 100;
-		}
+	if (max_power_limit) {
+		*max_power_limit = power_limit * (100 + od_percent_upper);
+		*max_power_limit /= 100;
+	}
 
-		*max_power_limit = power_limit;
+	if (min_power_limit) {
+		*min_power_limit = power_limit * (100 - od_percent_lower);
+		*min_power_limit /= 100;
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index bbe0cb68ca30..a38233cc5b7f 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -2330,15 +2330,16 @@ static int navi10_display_disable_memory_clock_switch(struct smu_context *smu,
 }
 
 static int navi10_get_power_limit(struct smu_context *smu,
-				  uint32_t *current_power_limit,
-				  uint32_t *default_power_limit,
-				  uint32_t *max_power_limit)
+					uint32_t *current_power_limit,
+					uint32_t *default_power_limit,
+					uint32_t *max_power_limit,
+					uint32_t *min_power_limit)
 {
 	struct smu_11_0_powerplay_table *powerplay_table =
 		(struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table;
 	struct smu_11_0_overdrive_table *od_settings = smu->od_settings;
 	PPTable_t *pptable = smu->smu_table.driver_pptable;
-	uint32_t power_limit, od_percent;
+	uint32_t power_limit, od_percent_upper, od_percent_lower;
 
 	if (smu_v11_0_get_current_power_limit(smu, &power_limit)) {
 		/* the last hope to figure out the ppt limit */
@@ -2355,18 +2356,26 @@ static int navi10_get_power_limit(struct smu_context *smu,
 	if (default_power_limit)
 		*default_power_limit = power_limit;
 
-	if (max_power_limit) {
-		if (smu->od_enabled &&
+	if (smu->od_enabled &&
 		    navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) {
-			od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+		od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+		od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
+	} else {
+		od_percent_upper = 0;
+		od_percent_lower = 100;
+	}
 
-			dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit);
+	dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
+					od_percent_upper, od_percent_lower, power_limit);
 
-			power_limit *= (100 + od_percent);
-			power_limit /= 100;
-		}
+	if (max_power_limit) {
+		*max_power_limit = power_limit * (100 + od_percent_upper);
+		*max_power_limit /= 100;
+	}
 
-		*max_power_limit = power_limit;
+	if (min_power_limit) {
+		*min_power_limit = power_limit * (100 - od_percent_lower);
+		*min_power_limit /= 100;
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 1e710c0c9042..090249b6422a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -620,11 +620,12 @@ static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *s
 static int sienna_cichlid_get_power_limit(struct smu_context *smu,
 					  uint32_t *current_power_limit,
 					  uint32_t *default_power_limit,
-					  uint32_t *max_power_limit)
+					  uint32_t *max_power_limit,
+					  uint32_t *min_power_limit)
 {
 	struct smu_11_0_7_powerplay_table *powerplay_table =
 		(struct smu_11_0_7_powerplay_table *)smu->smu_table.power_play_table;
-	uint32_t power_limit, od_percent;
+	uint32_t power_limit, od_percent_upper, od_percent_lower;
 	uint16_t *table_member;
 
 	GET_PPTABLE_MEMBER(SocketPowerLimitAc, &table_member);
@@ -639,21 +640,26 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
 	if (default_power_limit)
 		*default_power_limit = power_limit;
 
-	if (max_power_limit) {
-		if (smu->od_enabled) {
-			od_percent =
-				le32_to_cpu(powerplay_table->overdrive_table.max[
-							SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+	if (smu->od_enabled) {
+		od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+		od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
+	} else {
+		od_percent_upper = 0;
+		od_percent_lower = 100;
+	}
 
-			dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n",
-					od_percent, power_limit);
+	dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
+					od_percent_upper, od_percent_lower, power_limit);
 
-			power_limit *= (100 + od_percent);
-			power_limit /= 100;
-		}
-		*max_power_limit = power_limit;
+	if (max_power_limit) {
+		*max_power_limit = power_limit * (100 + od_percent_upper);
+		*max_power_limit /= 100;
 	}
 
+	if (min_power_limit) {
+		*min_power_limit = power_limit * (100 - od_percent_lower);
+		*min_power_limit /= 100;
+	}
 	return 0;
 }
 
@@ -672,7 +678,7 @@ static void sienna_cichlid_get_smartshift_power_percentage(struct smu_context *s
 	uint32_t cur_power_limit;
 
 	if (metrics_v4->ApuSTAPMSmartShiftLimit != 0) {
-		sienna_cichlid_get_power_limit(smu, &cur_power_limit, NULL, NULL);
+		sienna_cichlid_get_power_limit(smu, &cur_power_limit, NULL, NULL, NULL);
 		apu_power_limit = metrics_v4->ApuSTAPMLimit;
 		dgpu_power_limit = cur_power_limit;
 		powerRatio = (((apu_power_limit +
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 8c13aa469f60..3efc6aed28f1 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -2314,7 +2314,8 @@ static u32 vangogh_get_gfxoff_status(struct smu_context *smu)
 static int vangogh_get_power_limit(struct smu_context *smu,
 				   uint32_t *current_power_limit,
 				   uint32_t *default_power_limit,
-				   uint32_t *max_power_limit)
+				   uint32_t *max_power_limit,
+				   uint32_t *min_power_limit)
 {
 	struct smu_11_5_power_context *power_context =
 								smu->smu_power.power_context;
@@ -2336,6 +2337,8 @@ static int vangogh_get_power_limit(struct smu_context *smu,
 		*default_power_limit = ppt_limit / 1000;
 	if (max_power_limit)
 		*max_power_limit = 29;
+	if (min_power_limit)
+		*min_power_limit = 0;
 
 	ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetFastPPTLimit, &ppt_limit);
 	if (ret) {