[PATCH 1/2] drm/amd/pp: Store stable Pstate clocks

[Rex.Zhu@xxxxxxx (Rex Zhu)]

User can use to calculate profiling ratios when
set UMD Pstate.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

Change-Id: I3c6b82ebface57eb969d474c57149e8658ab7014
---
 drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c     |  2 ++
 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c     |  3 +++
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   | 14 ++++++++++++--
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c |  5 +++++
 drivers/gpu/drm/amd/powerplay/inc/hwmgr.h          |  2 ++
 5 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
index 0b8aa44..b83fe97 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -1189,6 +1189,8 @@ static int cz_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
 
 	cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk;
 	cz_hwmgr->sclk_dpm.hard_min_clk = table->entries[0].clk;
+	hwmgr->pstate_sclk = table->entries[0].clk;
+	hwmgr->pstate_mclk = 0;
 
 	level = cz_get_max_sclk_level(hwmgr) - 1;
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
index 569073e..409a56b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
@@ -451,6 +451,9 @@ static int rv_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
 	hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
 
+	hwmgr->pstate_sclk = RAVEN_UMD_PSTATE_GFXCLK;
+	hwmgr->pstate_mclk = RAVEN_UMD_PSTATE_FCLK;
+
 	return result;
 }
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 2cde7a8..72031bd 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2652,8 +2652,10 @@ 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 = hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].clk;
+		}
 
 		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
 			*sclk_mask = hwmgr->dyn_state.vddc_dependency_on_sclk->count-1;
@@ -2668,8 +2670,10 @@ 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;
@@ -2681,6 +2685,9 @@ 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;
 }
 
@@ -2692,6 +2699,9 @@ static int smu7_force_dpm_level(struct pp_hwmgr *hwmgr,
 	uint32_t mclk_mask = 0;
 	uint32_t pcie_mask = 0;
 
+	if (hwmgr->pstate_sclk == 0)
+		smu7_get_profiling_clk(hwmgr, level, &sclk_mask, &mclk_mask, &pcie_mask);
+
 	switch (level) {
 	case AMD_DPM_FORCED_LEVEL_HIGH:
 		ret = smu7_force_dpm_highest(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 4219004..cb35f4f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -4172,6 +4172,8 @@ 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) {
@@ -4213,6 +4215,9 @@ static int vega10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 	uint32_t mclk_mask = 0;
 	uint32_t soc_mask = 0;
 
+	if (hwmgr->pstate_sclk == 0)
+		vega10_get_profiling_clk_mask(hwmgr, level, &sclk_mask, &mclk_mask, &soc_mask);
+
 	switch (level) {
 	case AMD_DPM_FORCED_LEVEL_HIGH:
 		ret = vega10_force_dpm_highest(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 5d92f13..0ac61e0 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -752,6 +752,8 @@ struct pp_hwmgr {
 	enum amd_pp_profile_type current_power_profile;
 	bool en_umd_pstate;
 	bool od_enabled;
+	uint32_t pstate_sclk;
+	uint32_t pstate_mclk;
 };
 
 struct cgs_irq_src_funcs {
-- 
1.9.1