[PATCH] drm/amd/pp: need to notify umd the pstate clock.

Rex Zhu Rex.Zhu at amd.com
Wed Dec 13 09:52:30 UTC 2017


Change-Id: I344731cc6398c40976e08a125808bbfa85cb59a3
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   | 43 +++++++++++++---------
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 36 ++++++++++++++----
 drivers/gpu/drm/amd/powerplay/inc/hwmgr.h          |  2 +
 3 files changed, 56 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 8edb0c4..ecf9449 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2590,8 +2590,10 @@ static int smu7_get_profiling_clk(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_le
 				break;
 			}
 		}
-		if (count < 0 || level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK)
+		if (count < 0 || level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) {
 			*sclk_mask = 0;
+			tmp_sclk = table_info->vdd_dep_on_sclk->entries[0].clk;
+		}
 
 		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
 			*sclk_mask = table_info->vdd_dep_on_sclk->count - 1;
@@ -2603,6 +2605,10 @@ static int smu7_get_profiling_clk(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_le
 		*mclk_mask = golden_dpm_table->mclk_table.count - 1;
 
 	*pcie_mask = data->dpm_table.pcie_speed_table.count - 1;
+
+	hwmgr->pstate_sclk = tmp_sclk;
+	hwmgr->pstate_mclk = tmp_mclk;
+
 	return 0;
 }
 
@@ -2614,6 +2620,10 @@ static int smu7_force_dpm_level(struct pp_hwmgr *hwmgr,
 	uint32_t mclk_mask = 0;
 	uint32_t pcie_mask = 0;
 
+	ret = smu7_get_profiling_clk(hwmgr, level, &sclk_mask, &mclk_mask, &pcie_mask);
+	if (ret)
+		return ret;
+
 	switch (level) {
 	case AMD_DPM_FORCED_LEVEL_HIGH:
 		ret = smu7_force_dpm_highest(hwmgr);
@@ -2628,9 +2638,6 @@ static int smu7_force_dpm_level(struct pp_hwmgr *hwmgr,
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
-		ret = smu7_get_profiling_clk(hwmgr, level, &sclk_mask, &mclk_mask, &pcie_mask);
-		if (ret)
-			return ret;
 		smu7_force_clock_level(hwmgr, PP_SCLK, 1<<sclk_mask);
 		smu7_force_clock_level(hwmgr, PP_MCLK, 1<<mclk_mask);
 		smu7_force_clock_level(hwmgr, PP_PCIE, 1<<pcie_mask);
@@ -4292,7 +4299,7 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
 	struct smu7_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
 	struct smu7_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
 	struct smu7_single_dpm_table *pcie_table = &(data->dpm_table.pcie_speed_table);
-	int i, now, size = 0;
+	int i, now, p, size = 0;
 	uint32_t clock, pcie_speed;
 
 	switch (type) {
@@ -4301,32 +4308,34 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
 		clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
 
 		for (i = 0; i < sclk_table->count; i++) {
-			if (clock > sclk_table->dpm_levels[i].value)
-				continue;
-			break;
+			if (hwmgr->pstate_sclk == sclk_table->dpm_levels[i].value)
+				p = i;
+			if (clock <= sclk_table->dpm_levels[i].value)
+				now = i;
 		}
-		now = i;
 
 		for (i = 0; i < sclk_table->count; i++)
-			size += sprintf(buf + size, "%d: %uMhz %s\n",
+			size += sprintf(buf + size, "%d: %uMhz %s %s\n",
 					i, sclk_table->dpm_levels[i].value / 100,
-					(i == now) ? "*" : "");
+					(i == now) ? "*" : "",
+					(i == p) ? "P" : "");
 		break;
 	case PP_MCLK:
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency);
 		clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
 
 		for (i = 0; i < mclk_table->count; i++) {
-			if (clock > mclk_table->dpm_levels[i].value)
-				continue;
-			break;
+			if (hwmgr->pstate_mclk == mclk_table->dpm_levels[i].value)
+				p = i;
+			if (clock <= mclk_table->dpm_levels[i].value)
+				now = i;
 		}
-		now = i;
 
 		for (i = 0; i < mclk_table->count; i++)
-			size += sprintf(buf + size, "%d: %uMhz %s\n",
+			size += sprintf(buf + size, "%d: %uMhz %s %s\n",
 					i, mclk_table->dpm_levels[i].value / 100,
-					(i == now) ? "*" : "");
+					(i == now) ? "*" : "",
+					(i == p) ? "P" : "");
 		break;
 	case PP_PCIE:
 		pcie_speed = smu7_get_current_pcie_speed(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 07d256d..82c56f7 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -4207,6 +4207,8 @@ static int vega10_get_profiling_clk_mask(struct pp_hwmgr *hwmgr, enum amd_dpm_fo
 		*sclk_mask = VEGA10_UMD_PSTATE_GFXCLK_LEVEL;
 		*soc_mask = VEGA10_UMD_PSTATE_SOCCLK_LEVEL;
 		*mclk_mask = VEGA10_UMD_PSTATE_MCLK_LEVEL;
+		hwmgr->pstate_sclk = table_info->vdd_dep_on_sclk->entries[VEGA10_UMD_PSTATE_GFXCLK_LEVEL].clk;
+		hwmgr->pstate_mclk = table_info->vdd_dep_on_mclk->entries[VEGA10_UMD_PSTATE_MCLK_LEVEL].clk;
 	}
 
 	if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) {
@@ -4218,6 +4220,7 @@ static int vega10_get_profiling_clk_mask(struct pp_hwmgr *hwmgr, enum amd_dpm_fo
 		*soc_mask = table_info->vdd_dep_on_socclk->count - 1;
 		*mclk_mask = table_info->vdd_dep_on_mclk->count - 1;
 	}
+
 	return 0;
 }
 
@@ -4248,6 +4251,10 @@ static int vega10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 	uint32_t mclk_mask = 0;
 	uint32_t soc_mask = 0;
 
+	ret = vega10_get_profiling_clk_mask(hwmgr, level, &sclk_mask, &mclk_mask, &soc_mask);
+	if (ret)
+		return ret;
+
 	switch (level) {
 	case AMD_DPM_FORCED_LEVEL_HIGH:
 		ret = vega10_force_dpm_highest(hwmgr);
@@ -4262,9 +4269,6 @@ static int vega10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
-		ret = vega10_get_profiling_clk_mask(hwmgr, level, &sclk_mask, &mclk_mask, &soc_mask);
-		if (ret)
-			return ret;
 		vega10_force_clock_level(hwmgr, PP_SCLK, 1<<sclk_mask);
 		vega10_force_clock_level(hwmgr, PP_MCLK, 1<<mclk_mask);
 		break;
@@ -4594,13 +4598,20 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 	struct vega10_single_dpm_table *sclk_table = &(data->dpm_table.gfx_table);
 	struct vega10_single_dpm_table *mclk_table = &(data->dpm_table.mem_table);
 	struct vega10_pcie_table *pcie_table = &(data->dpm_table.pcie_table);
-	int i, now, size = 0;
+	int i, p, now, size = 0;
 
 	switch (type) {
 	case PP_SCLK:
 		if (data->registry_data.sclk_dpm_key_disabled)
 			break;
 
+		for (i = 0; i < sclk_table->count; i++) {
+			if (hwmgr->pstate_sclk == sclk_table->dpm_levels[i].value) {
+				p = i;
+				break;
+			}
+		}
+
 		PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
 				PPSMC_MSG_GetCurrentGfxclkIndex),
 				"Attempt to get current sclk index Failed!",
@@ -4611,14 +4622,22 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 				return -1);
 
 		for (i = 0; i < sclk_table->count; i++)
-			size += sprintf(buf + size, "%d: %uMhz %s\n",
+			size += sprintf(buf + size, "%d: %uMhz %s %s\n",
 					i, sclk_table->dpm_levels[i].value / 100,
-					(i == now) ? "*" : "");
+					(i == now) ? "*" : "",
+					(i == p) ? "P" : "");
 		break;
 	case PP_MCLK:
 		if (data->registry_data.mclk_dpm_key_disabled)
 			break;
 
+		for (i = 0; i < mclk_table->count; i++) {
+			if (hwmgr->pstate_mclk == mclk_table->dpm_levels[i].value) {
+				p = i;
+				break;
+			}
+		}
+
 		PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
 				PPSMC_MSG_GetCurrentUclkIndex),
 				"Attempt to get current mclk index Failed!",
@@ -4629,9 +4648,10 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 				return -1);
 
 		for (i = 0; i < mclk_table->count; i++)
-			size += sprintf(buf + size, "%d: %uMhz %s\n",
+			size += sprintf(buf + size, "%d: %uMhz %s %s\n",
 					i, mclk_table->dpm_levels[i].value / 100,
-					(i == now) ? "*" : "");
+					(i == now) ? "*" : "",
+					(i == p) ? "P" : "");
 		break;
 	case PP_PCIE:
 		PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 004a40e..568f56c 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -780,6 +780,8 @@ struct pp_hwmgr {
 	struct amd_pp_profile default_compute_power_profile;
 	enum amd_pp_profile_type current_power_profile;
 	bool en_umd_pstate;
+	uint32_t pstate_sclk;
+	uint32_t pstate_mclk;
 };
 
 struct cgs_irq_src_funcs {
-- 
1.9.1



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