drm/amd/powerplay: add CG and PG support for carrizo

This adds clock and powergating support for CZ.

v2: squash in fixes
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/Makefile

@@ -3,7 +3,8 @@
 # It provides the hardware management services for the driver.
 
 HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
-	       hardwaremanager.o pp_acpi.o cz_hwmgr.o
+	       hardwaremanager.o pp_acpi.o cz_hwmgr.o \
+               cz_clockpowergating.o
 
 AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
 

drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "hwmgr.h"
+#include "cz_clockpowergating.h"
+#include "cz_ppsmc.h"
+
+/* PhyID -> Status Mapping in DDI_PHY_GEN_STATUS
+    0    GFX0L (3:0),                  (27:24),
+    1    GFX0H (7:4),                  (31:28),
+    2    GFX1L (3:0),                  (19:16),
+    3    GFX1H (7:4),                  (23:20),
+    4    DDIL   (3:0),                   (11: 8),
+    5    DDIH  (7:4),                   (15:12),
+    6    DDI2L (3:0),                   ( 3: 0),
+    7    DDI2H (7:4),                   ( 7: 4),
+*/
+#define DDI_PHY_GEN_STATUS_VAL(phyID)   (1 << ((3 - ((phyID & 0x07)/2))*8 + (phyID & 0x01)*4))
+#define IS_PHY_ID_USED_BY_PLL(PhyID)    (((0xF3 & (1 << PhyID)) & 0xFF) ? true : false)
+
+
+int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating)
+{
+	int ret = 0;
+
+	switch (block) {
+	case PHM_AsicBlock_UVD_MVC:
+	case PHM_AsicBlock_UVD:
+	case PHM_AsicBlock_UVD_HD:
+	case PHM_AsicBlock_UVD_SD:
+		if (gating == PHM_ClockGateSetting_StaticOff)
+			ret = cz_dpm_powerdown_uvd(hwmgr);
+		else
+			ret = cz_dpm_powerup_uvd(hwmgr);
+		break;
+	case PHM_AsicBlock_GFX:
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+
+bool cz_phm_is_safe_for_asic_block(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, enum PHM_AsicBlock block)
+{
+	return true;
+}
+
+
+int cz_phm_enable_disable_gfx_power_gating(struct pp_hwmgr *hwmgr, bool enable)
+{
+	return 0;
+}
+
+int cz_phm_smu_power_up_down_pcie(struct pp_hwmgr *hwmgr, uint32_t target, bool up, uint32_t args)
+{
+	/* TODO */
+	return 0;
+}
+
+int cz_phm_initialize_display_phy_access(struct pp_hwmgr *hwmgr, bool initialize, bool accesshw)
+{
+	/* TODO */
+	return 0;
+}
+
+int cz_phm_get_display_phy_access_info(struct pp_hwmgr *hwmgr)
+{
+	/* TODO */
+	return 0;
+}
+
+int cz_phm_gate_unused_display_phys(struct pp_hwmgr *hwmgr)
+{
+	/* TODO */
+	return 0;
+}
+
+int cz_phm_ungate_all_display_phys(struct pp_hwmgr *hwmgr)
+{
+	/* TODO */
+	return 0;
+}
+
+static int cz_tf_uvd_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
+{
+	return 0;
+}
+
+static int cz_tf_vce_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
+{
+	return 0;
+}
+
+int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	uint32_t dpm_features = 0;
+
+	if (enable &&
+		phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				  PHM_PlatformCaps_UVDDPM)) {
+		cz_hwmgr->dpm_flags |= DPMFlags_UVD_Enabled;
+		dpm_features |= UVD_DPM_MASK;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+			    PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+	} else {
+		dpm_features |= UVD_DPM_MASK;
+		cz_hwmgr->dpm_flags &= ~DPMFlags_UVD_Enabled;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+			   PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+	}
+	return 0;
+}
+
+int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	uint32_t dpm_features = 0;
+
+	if (enable && phm_cap_enabled(
+				hwmgr->platform_descriptor.platformCaps,
+				PHM_PlatformCaps_VCEDPM)) {
+		cz_hwmgr->dpm_flags |= DPMFlags_VCE_Enabled;
+		dpm_features |= VCE_DPM_MASK;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+			    PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+	} else {
+		dpm_features |= VCE_DPM_MASK;
+		cz_hwmgr->dpm_flags &= ~DPMFlags_VCE_Enabled;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+			   PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+	}
+
+	return 0;
+}
+
+
+int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+	if (cz_hwmgr->uvd_power_gated == bgate)
+		return 0;
+
+	cz_hwmgr->uvd_power_gated = bgate;
+
+	if (bgate) {
+		cgs_set_clockgating_state(hwmgr->device,
+						AMD_IP_BLOCK_TYPE_UVD,
+						AMD_CG_STATE_UNGATE);
+		cgs_set_powergating_state(hwmgr->device,
+						AMD_IP_BLOCK_TYPE_UVD,
+						AMD_PG_STATE_GATE);
+		cz_dpm_update_uvd_dpm(hwmgr, true);
+		cz_dpm_powerdown_uvd(hwmgr);
+	} else {
+		cz_dpm_powerup_uvd(hwmgr);
+		cgs_set_clockgating_state(hwmgr->device,
+						AMD_IP_BLOCK_TYPE_UVD,
+						AMD_PG_STATE_GATE);
+		cgs_set_powergating_state(hwmgr->device,
+						AMD_IP_BLOCK_TYPE_UVD,
+						AMD_CG_STATE_UNGATE);
+		cz_dpm_update_uvd_dpm(hwmgr, false);
+	}
+
+	return 0;
+}
+
+int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					PHM_PlatformCaps_VCEPowerGating)) {
+		if (cz_hwmgr->vce_power_gated != bgate) {
+			if (bgate) {
+				cgs_set_clockgating_state(
+							hwmgr->device,
+							AMD_IP_BLOCK_TYPE_VCE,
+							AMD_CG_STATE_UNGATE);
+				cgs_set_powergating_state(
+							hwmgr->device,
+							AMD_IP_BLOCK_TYPE_VCE,
+							AMD_PG_STATE_GATE);
+				cz_enable_disable_vce_dpm(hwmgr, false);
+			/* TODO: to figure out why vce can't be poweroff*/
+				cz_hwmgr->vce_power_gated = true;
+			} else {
+				cz_dpm_powerup_vce(hwmgr);
+				cz_hwmgr->vce_power_gated = false;
+				cgs_set_clockgating_state(
+							hwmgr->device,
+							AMD_IP_BLOCK_TYPE_VCE,
+							AMD_PG_STATE_GATE);
+				cgs_set_powergating_state(
+							hwmgr->device,
+							AMD_IP_BLOCK_TYPE_VCE,
+							AMD_CG_STATE_UNGATE);
+				cz_dpm_update_vce_dpm(hwmgr);
+				cz_enable_disable_vce_dpm(hwmgr, true);
+				return 0;
+			}
+		}
+	} else {
+		cz_dpm_update_vce_dpm(hwmgr);
+		cz_enable_disable_vce_dpm(hwmgr, true);
+		return 0;
+	}
+
+	if (!cz_hwmgr->vce_power_gated)
+		cz_dpm_update_vce_dpm(hwmgr);
+
+	return 0;
+}
+
+
+static struct phm_master_table_item cz_enable_clock_power_gatings_list[] = {
+	/*we don't need an exit table here, because there is only D3 cold on Kv*/
+	{ phm_cf_want_uvd_power_gating, cz_tf_uvd_power_gating_initialize },
+	{ phm_cf_want_vce_power_gating, cz_tf_vce_power_gating_initialize },
+	/* to do { NULL, cz_tf_xdma_power_gating_enable }, */
+	{ NULL, NULL }
+};
+
+struct phm_master_table_header cz_phm_enable_clock_power_gatings_master = {
+	0,
+	PHM_MasterTableFlag_None,
+	cz_enable_clock_power_gatings_list
+};

drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.h

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _CZ_CLOCK_POWER_GATING_H_
+#define _CZ_CLOCK_POWER_GATING_H_
+
+#include "cz_hwmgr.h"
+#include "pp_asicblocks.h"
+
+extern int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating);
+extern struct phm_master_table_header cz_phm_enable_clock_power_gatings_master;
+extern struct phm_master_table_header cz_phm_disable_clock_power_gatings_master;
+extern int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate);
+extern int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate);
+extern int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable);
+extern int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable);
+#endif /* _CZ_CLOCK_POWER_GATING_H_ */

drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c

@@ -28,12 +28,23 @@
 #include "processpptables.h"
 #include "cgs_common.h"
 #include "smu/smu_8_0_d.h"
+#include "smu8_fusion.h"
+#include "smu/smu_8_0_sh_mask.h"
 #include "smumgr.h"
 #include "hwmgr.h"
 #include "hardwaremanager.h"
 #include "cz_ppsmc.h"
 #include "cz_hwmgr.h"
 #include "power_state.h"
+#include "cz_clockpowergating.h"
+
+
+#define ixSMUSVI_NB_CURRENTVID 0xD8230044
+#define CURRENT_NB_VID_MASK 0xff000000
+#define CURRENT_NB_VID__SHIFT 24
+#define ixSMUSVI_GFX_CURRENTVID  0xD8230048
+#define CURRENT_GFX_VID_MASK 0xff000000
+#define CURRENT_GFX_VID__SHIFT 24
 
 static const unsigned long PhwCz_Magic = (unsigned long) PHM_Cz_Magic;
 
@@ -45,6 +56,46 @@ static struct cz_power_state *cast_PhwCzPowerState(struct pp_hw_power_state *hw_
 	return (struct cz_power_state *)hw_ps;
 }
 
+static const struct cz_power_state *cast_const_PhwCzPowerState(
+				const struct pp_hw_power_state *hw_ps)
+{
+	if (PhwCz_Magic != hw_ps->magic)
+		return NULL;
+
+	return (struct cz_power_state *)hw_ps;
+}
+
+uint32_t cz_get_eclk_level(struct pp_hwmgr *hwmgr,
+					uint32_t clock, uint32_t msg)
+{
+	int i = 0;
+	struct phm_vce_clock_voltage_dependency_table *ptable =
+		hwmgr->dyn_state.vce_clocl_voltage_dependency_table;
+
+	switch (msg) {
+	case PPSMC_MSG_SetEclkSoftMin:
+	case PPSMC_MSG_SetEclkHardMin:
+		for (i = 0; i < (int)ptable->count; i++) {
+			if (clock <= ptable->entries[i].ecclk)
+				break;
+		}
+		break;
+
+	case PPSMC_MSG_SetEclkSoftMax:
+	case PPSMC_MSG_SetEclkHardMax:
+		for (i = ptable->count - 1; i >= 0; i--) {
+			if (clock >= ptable->entries[i].ecclk)
+				break;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return i;
+}
+
 static uint32_t cz_get_sclk_level(struct pp_hwmgr *hwmgr,
 				uint32_t clock, uint32_t msg)
 {
@@ -75,6 +126,37 @@ static uint32_t cz_get_sclk_level(struct pp_hwmgr *hwmgr,
 	return i;
 }
 
+static uint32_t cz_get_uvd_level(struct pp_hwmgr *hwmgr,
+					uint32_t clock, uint32_t msg)
+{
+	int i = 0;
+	struct phm_uvd_clock_voltage_dependency_table *ptable =
+		hwmgr->dyn_state.uvd_clocl_voltage_dependency_table;
+
+	switch (msg) {
+	case PPSMC_MSG_SetUvdSoftMin:
+	case PPSMC_MSG_SetUvdHardMin:
+		for (i = 0; i < (int)ptable->count; i++) {
+			if (clock <= ptable->entries[i].vclk)
+				break;
+		}
+		break;
+
+	case PPSMC_MSG_SetUvdSoftMax:
+	case PPSMC_MSG_SetUvdHardMax:
+		for (i = ptable->count - 1; i >= 0; i--) {
+			if (clock >= ptable->entries[i].vclk)
+				break;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return i;
+}
+
 static uint32_t cz_get_max_sclk_level(struct pp_hwmgr *hwmgr)
 {
 	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
@@ -504,6 +586,175 @@ static int cz_tf_init_sclk_threshold(struct pp_hwmgr *hwmgr, void *input,
 
 	return 0;
 }
+static int cz_tf_update_sclk_limit(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	struct phm_clock_voltage_dependency_table *table =
+					hwmgr->dyn_state.vddc_dependency_on_sclk;
+
+	unsigned long clock = 0;
+	unsigned long level;
+	unsigned long stable_pstate_sclk;
+	struct PP_Clocks clocks;
+	unsigned long percentage;
+
+	cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk;
+	level = cz_get_max_sclk_level(hwmgr) - 1;
+
+	if (level < table->count)
+		cz_hwmgr->sclk_dpm.soft_max_clk  = table->entries[level].clk;
+	else
+		cz_hwmgr->sclk_dpm.soft_max_clk  = table->entries[table->count - 1].clk;
+
+	/*PECI_GetMinClockSettings(pHwMgr->pPECI, &clocks);*/
+	clock = clocks.engineClock;
+
+	if (cz_hwmgr->sclk_dpm.hard_min_clk != clock) {
+		cz_hwmgr->sclk_dpm.hard_min_clk = clock;
+
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+						PPSMC_MSG_SetSclkHardMin,
+						 cz_get_sclk_level(hwmgr,
+					cz_hwmgr->sclk_dpm.hard_min_clk,
+					     PPSMC_MSG_SetSclkHardMin));
+	}
+
+	clock = cz_hwmgr->sclk_dpm.soft_min_clk;
+
+	/* update minimum clocks for Stable P-State feature */
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				     PHM_PlatformCaps_StablePState)) {
+		percentage = 75;
+		/*Sclk - calculate sclk value based on percentage and find FLOOR sclk from VddcDependencyOnSCLK table  */
+		stable_pstate_sclk = (hwmgr->dyn_state.max_clock_voltage_on_ac.mclk *
+					percentage) / 100;
+
+		if (clock < stable_pstate_sclk)
+			clock = stable_pstate_sclk;
+	} else {
+		if (clock < hwmgr->gfx_arbiter.sclk)
+			clock = hwmgr->gfx_arbiter.sclk;
+	}
+
+	if (cz_hwmgr->sclk_dpm.soft_min_clk != clock) {
+		cz_hwmgr->sclk_dpm.soft_min_clk = clock;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+						PPSMC_MSG_SetSclkSoftMin,
+						cz_get_sclk_level(hwmgr,
+					cz_hwmgr->sclk_dpm.soft_min_clk,
+					     PPSMC_MSG_SetSclkSoftMin));
+	}
+
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				    PHM_PlatformCaps_StablePState) &&
+			 cz_hwmgr->sclk_dpm.soft_max_clk != clock) {
+		cz_hwmgr->sclk_dpm.soft_max_clk = clock;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+						PPSMC_MSG_SetSclkSoftMax,
+						cz_get_sclk_level(hwmgr,
+					cz_hwmgr->sclk_dpm.soft_max_clk,
+					PPSMC_MSG_SetSclkSoftMax));
+	}
+
+	return 0;
+}
+
+static int cz_tf_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				    PHM_PlatformCaps_SclkDeepSleep)) {
+		/* TO DO get from dal PECI_GetMinClockSettings(pHwMgr->pPECI, &clocks); */
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+					  PPSMC_MSG_SetMinDeepSleepSclk,
+						CZ_MIN_DEEP_SLEEP_SCLK);
+	}
+
+	return 0;
+}
+
+static int cz_tf_set_watermark_threshold(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+	struct cz_hwmgr *cz_hwmgr =
+				  (struct cz_hwmgr *)(hwmgr->backend);
+
+	smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+					PPSMC_MSG_SetWatermarkFrequency,
+				      cz_hwmgr->sclk_dpm.soft_max_clk);
+
+	return 0;
+}
+
+static int cz_tf_set_enabled_levels(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+	return 0;
+}
+
+static int cz_tf_enable_nb_dpm(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+	int ret = 0;
+	struct cz_hwmgr *cz_hwmgr =
+				  (struct cz_hwmgr *)(hwmgr->backend);
+	unsigned long dpm_features = 0;
+
+	if (!cz_hwmgr->is_nb_dpm_enabled &&
+		cz_hwmgr->is_nb_dpm_enabled_by_driver) {		/* also depend on dal NBPStateDisableRequired */
+		dpm_features |= NB_DPM_MASK;
+		ret = smum_send_msg_to_smc_with_parameter(
+							     hwmgr->smumgr,
+					 PPSMC_MSG_EnableAllSmuFeatures,
+							     dpm_features);
+		if (ret == 0)
+			cz_hwmgr->is_nb_dpm_enabled = true;
+	}
+	return ret;
+}
+
+static int cz_tf_update_low_mem_pstate(struct pp_hwmgr *hwmgr,
+					void *input, void *output,
+					void *storage, int result)
+{
+
+	struct cz_hwmgr *cz_hwmgr =
+				  (struct cz_hwmgr *)(hwmgr->backend);
+	const struct phm_set_power_state_input *states = (struct phm_set_power_state_input *)input;
+	const struct cz_power_state *pnew_state = cast_const_PhwCzPowerState(states->pnew_state);
+
+	if (cz_hwmgr->sys_info.nb_dpm_enable) {
+		if (pnew_state->action == FORCE_HIGH)
+			smum_send_msg_to_smc(hwmgr->smumgr,
+				    PPSMC_MSG_DisableLowMemoryPstate);
+		else
+			smum_send_msg_to_smc(hwmgr->smumgr,
+				     PPSMC_MSG_EnableLowMemoryPstate);
+	}
+	return 0;
+}
+
+static struct phm_master_table_item cz_set_power_state_list[] = {
+	{NULL, cz_tf_update_sclk_limit},
+	{NULL, cz_tf_set_deep_sleep_sclk_threshold},
+	{NULL, cz_tf_set_watermark_threshold},
+	{NULL, cz_tf_set_enabled_levels},
+	{NULL, cz_tf_enable_nb_dpm},
+	{NULL, cz_tf_update_low_mem_pstate},
+	{NULL, NULL}
+};
+
+static struct phm_master_table_header cz_set_power_state_master = {
+	0,
+	PHM_MasterTableFlag_None,
+	cz_set_power_state_list
+};
 
 static struct phm_master_table_item cz_setup_asic_list[] = {
 	{NULL, cz_tf_reset_active_process_mask},
@@ -649,6 +900,56 @@ static struct phm_master_table_header cz_enable_dpm_master = {
 	cz_enable_dpm_list
 };
 
+static int cz_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
+				struct pp_power_state  *prequest_ps,
+			const struct pp_power_state *pcurrent_ps)
+{
+	struct cz_power_state *cz_ps =
+				cast_PhwCzPowerState(&prequest_ps->hardware);
+
+	const struct cz_power_state *cz_current_ps =
+				cast_const_PhwCzPowerState(&pcurrent_ps->hardware);
+
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	struct PP_Clocks clocks;
+	bool force_high;
+	unsigned long  num_of_active_displays = 4;
+
+	cz_ps->evclk = hwmgr->vce_arbiter.evclk;
+	cz_ps->ecclk = hwmgr->vce_arbiter.ecclk;
+
+	cz_ps->need_dfs_bypass = true;
+
+	cz_hwmgr->video_start = (hwmgr->uvd_arbiter.vclk != 0 || hwmgr->uvd_arbiter.dclk != 0 ||
+				hwmgr->vce_arbiter.evclk != 0 || hwmgr->vce_arbiter.ecclk != 0);
+
+	cz_hwmgr->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label);
+
+	/* to do PECI_GetMinClockSettings(pHwMgr->pPECI, &clocks); */
+	/* PECI_GetNumberOfActiveDisplays(pHwMgr->pPECI, &numOfActiveDisplays); */
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
+		clocks.memoryClock = hwmgr->dyn_state.max_clock_voltage_on_ac.mclk;
+	else
+		clocks.memoryClock = 0;
+
+	if (clocks.memoryClock < hwmgr->gfx_arbiter.mclk)
+		clocks.memoryClock = hwmgr->gfx_arbiter.mclk;
+
+	force_high = (clocks.memoryClock > cz_hwmgr->sys_info.nbp_memory_clock[CZ_NUM_NBPMEMORYCLOCK - 1])
+			|| (num_of_active_displays >= 3);
+
+	cz_ps->action = cz_current_ps->action;
+
+	if ((force_high == false) && (cz_ps->action == FORCE_HIGH))
+		cz_ps->action = CANCEL_FORCE_HIGH;
+	else if ((force_high == true) && (cz_ps->action != FORCE_HIGH))
+		cz_ps->action = FORCE_HIGH;
+	else
+		cz_ps->action = DO_NOTHING;
+
+	return 0;
+}
+
 static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 {
 	int result = 0;
@@ -676,10 +977,28 @@ static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
 	result = phm_construct_table(hwmgr, &cz_disable_dpm_master,
 				&(hwmgr->disable_dynamic_state_management));
-
+	if (result != 0) {
+		printk(KERN_ERR "[ powerplay ] Fail to disable_dynamic_state\n");
+		return result;
+	}
 	result = phm_construct_table(hwmgr, &cz_enable_dpm_master,
 				&(hwmgr->enable_dynamic_state_management));
+	if (result != 0) {
+		printk(KERN_ERR "[ powerplay ] Fail to enable_dynamic_state\n");
+		return result;
+	}
+	result = phm_construct_table(hwmgr, &cz_set_power_state_master,
+				&(hwmgr->set_power_state));
+	if (result != 0) {
+		printk(KERN_ERR "[ powerplay ] Fail to construct set_power_state\n");
+		return result;
+	}
 
+	result = phm_construct_table(hwmgr, &cz_phm_enable_clock_power_gatings_master, &(hwmgr->enable_clock_power_gatings));
+	if (result != 0) {
+		printk(KERN_ERR "[ powerplay ] Fail to construct enable_clock_power_gatings\n");
+		return result;
+	}
 	return result;
 }
 
@@ -793,6 +1112,138 @@ static int cz_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 	return ret;
 }
 
+int cz_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_UVDPowerGating))
+		return smum_send_msg_to_smc(hwmgr->smumgr,
+						     PPSMC_MSG_UVDPowerOFF);
+	return 0;
+}
+
+int cz_dpm_powerup_uvd(struct pp_hwmgr *hwmgr)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_UVDPowerGating)) {
+		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+				  PHM_PlatformCaps_UVDDynamicPowerGating)) {
+			return smum_send_msg_to_smc_with_parameter(
+								hwmgr->smumgr,
+						   PPSMC_MSG_UVDPowerON, 1);
+		} else {
+			return smum_send_msg_to_smc_with_parameter(
+								hwmgr->smumgr,
+						   PPSMC_MSG_UVDPowerON, 0);
+		}
+	}
+
+	return 0;
+}
+
+int cz_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	struct phm_uvd_clock_voltage_dependency_table *ptable =
+		hwmgr->dyn_state.uvd_clocl_voltage_dependency_table;
+
+	if (!bgate) {
+		/* Stable Pstate is enabled and we need to set the UVD DPM to highest level */
+		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_StablePState)) {
+			cz_hwmgr->uvd_dpm.hard_min_clk =
+				   ptable->entries[ptable->count - 1].vclk;
+
+			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+						     PPSMC_MSG_SetUvdHardMin,
+						      cz_get_uvd_level(hwmgr,
+					     cz_hwmgr->uvd_dpm.hard_min_clk,
+						   PPSMC_MSG_SetUvdHardMin));
+
+			cz_enable_disable_uvd_dpm(hwmgr, true);
+		} else
+			cz_enable_disable_uvd_dpm(hwmgr, true);
+	} else
+		cz_enable_disable_uvd_dpm(hwmgr, false);
+
+	return 0;
+}
+
+int  cz_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+	struct phm_vce_clock_voltage_dependency_table *ptable =
+		hwmgr->dyn_state.vce_clocl_voltage_dependency_table;
+
+	/* Stable Pstate is enabled and we need to set the VCE DPM to highest level */
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_StablePState)) {
+		cz_hwmgr->vce_dpm.hard_min_clk =
+				  ptable->entries[ptable->count - 1].ecclk;
+
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+					PPSMC_MSG_SetEclkHardMin,
+					cz_get_eclk_level(hwmgr,
+					     cz_hwmgr->vce_dpm.hard_min_clk,
+						PPSMC_MSG_SetEclkHardMin));
+	} else {
+		/*EPR# 419220 -HW limitation to to */
+		cz_hwmgr->vce_dpm.hard_min_clk = hwmgr->vce_arbiter.ecclk;
+		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+					    PPSMC_MSG_SetEclkHardMin,
+					    cz_get_eclk_level(hwmgr,
+				     cz_hwmgr->vce_dpm.hard_min_clk,
+					  PPSMC_MSG_SetEclkHardMin));
+
+	}
+	return 0;
+}
+
+int cz_dpm_powerdown_vce(struct pp_hwmgr *hwmgr)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_VCEPowerGating))
+		return smum_send_msg_to_smc(hwmgr->smumgr,
+						     PPSMC_MSG_VCEPowerOFF);
+	return 0;
+}
+
+int cz_dpm_powerup_vce(struct pp_hwmgr *hwmgr)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+					 PHM_PlatformCaps_VCEPowerGating))
+		return smum_send_msg_to_smc(hwmgr->smumgr,
+						     PPSMC_MSG_VCEPowerON);
+	return 0;
+}
+
+static int cz_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+	return cz_hwmgr->sys_info.bootup_uma_clock;
+}
+
+static int cz_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
+{
+	struct pp_power_state  *ps;
+	struct cz_power_state  *cz_ps;
+
+	if (hwmgr == NULL)
+		return -EINVAL;
+
+	ps = hwmgr->request_ps;
+
+	if (ps == NULL)
+		return -EINVAL;
+
+	cz_ps = cast_PhwCzPowerState(&ps->hardware);
+
+	if (low)
+		return cz_ps->levels[0].engineClock;
+	else
+		return cz_ps->levels[cz_ps->level-1].engineClock;
+}
+
 static int cz_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
 					struct pp_hw_power_state *hw_ps)
 {
@@ -871,15 +1322,83 @@ int cz_get_power_state_size(struct pp_hwmgr *hwmgr)
 	return sizeof(struct cz_power_state);
 }
 
+static void
+cz_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
+{
+	struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
+
+	struct phm_clock_voltage_dependency_table *table =
+				hwmgr->dyn_state.vddc_dependency_on_sclk;
+
+	struct phm_vce_clock_voltage_dependency_table *vce_table =
+		hwmgr->dyn_state.vce_clocl_voltage_dependency_table;
+
+	struct phm_uvd_clock_voltage_dependency_table *uvd_table =
+		hwmgr->dyn_state.uvd_clocl_voltage_dependency_table;
+
+	uint32_t sclk_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX),
+					TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
+	uint32_t uvd_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
+					TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
+	uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
+					TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
+
+	uint32_t sclk, vclk, dclk, ecclk, tmp;
+	uint16_t vddnb, vddgfx;
+
+	if (sclk_index >= NUM_SCLK_LEVELS) {
+		seq_printf(m, "\n invalid sclk dpm profile %d\n", sclk_index);
+	} else {
+		sclk = table->entries[sclk_index].clk;
+		seq_printf(m, "\n index: %u sclk: %u MHz\n", sclk_index, sclk/100);
+	}
+
+	tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) &
+		CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
+	vddnb = cz_convert_8Bit_index_to_voltage(hwmgr, tmp);
+	tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) &
+		CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
+	vddgfx = cz_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp);
+	seq_printf(m, "\n vddnb: %u vddgfx: %u\n", vddnb, vddgfx);
+
+	seq_printf(m, "\n uvd    %sabled\n", cz_hwmgr->uvd_power_gated ? "dis" : "en");
+	if (!cz_hwmgr->uvd_power_gated) {
+		if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
+			seq_printf(m, "\n invalid uvd dpm level %d\n", uvd_index);
+		} else {
+			vclk = uvd_table->entries[uvd_index].vclk;
+			dclk = uvd_table->entries[uvd_index].dclk;
+			seq_printf(m, "\n index: %u uvd vclk: %u MHz dclk: %u MHz\n", uvd_index, vclk/100, dclk/100);
+		}
+	}
+
+	seq_printf(m, "\n vce    %sabled\n", cz_hwmgr->vce_power_gated ? "dis" : "en");
+	if (!cz_hwmgr->vce_power_gated) {
+		if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
+			seq_printf(m, "\n invalid vce dpm level %d\n", vce_index);
+		} else {
+			ecclk = vce_table->entries[vce_index].ecclk;
+			seq_printf(m, "\n index: %u vce ecclk: %u MHz\n", vce_index, ecclk/100);
+		}
+	}
+}
+
 static const struct pp_hwmgr_func cz_hwmgr_funcs = {
 	.backend_init = cz_hwmgr_backend_init,
 	.backend_fini = cz_hwmgr_backend_fini,
 	.asic_setup = NULL,
+	.apply_state_adjust_rules = cz_apply_state_adjust_rules,
 	.force_dpm_level = cz_dpm_force_dpm_level,
 	.get_power_state_size = cz_get_power_state_size,
+	.powerdown_uvd = cz_dpm_powerdown_uvd,
+	.powergate_uvd = cz_dpm_powergate_uvd,
+	.powergate_vce = cz_dpm_powergate_vce,
+	.get_mclk = cz_dpm_get_mclk,
+	.get_sclk = cz_dpm_get_sclk,
 	.patch_boot_state = cz_dpm_patch_boot_state,
 	.get_pp_table_entry = cz_dpm_get_pp_table_entry,
 	.get_num_of_pp_table_entries = cz_dpm_get_num_of_pp_table_entries,
+	.print_current_perforce_level = cz_print_current_perforce_level,
 };
 
 int cz_hwmgr_init(struct pp_hwmgr *hwmgr)

drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h

@@ -32,6 +32,7 @@
 #define CZ_AT_DFLT                     30
 #define CZ_MAX_HARDWARE_POWERLEVELS    8
 #define PPCZ_VOTINGRIGHTSCLIENTS_DFLT0   0x3FFFC102
+#define CZ_MIN_DEEP_SLEEP_SCLK         800
 
 /* Carrizo device IDs */
 #define DEVICE_ID_CZ_9870             0x9870
@@ -198,6 +199,9 @@ struct cz_hwmgr {
 	struct cz_sys_info sys_info;
 
 	struct cz_power_level boot_power_level;
+	struct cz_power_state *cz_current_ps;
+	struct cz_power_state *cz_requested_ps;
+
 	uint32_t mgcg_cgtt_local0;
 	uint32_t mgcg_cgtt_local1;
 
@@ -299,11 +303,15 @@ struct cz_hwmgr {
 
 	uint32_t max_sclk_level;
 	uint32_t num_of_clk_entries;
-	struct cz_power_state *cz_ps;
 };
 
 struct pp_hwmgr;
 
 int cz_hwmgr_init(struct pp_hwmgr *hwmgr);
-
+int cz_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr);
+int cz_dpm_powerup_uvd(struct pp_hwmgr *hwmgr);
+int cz_dpm_powerdown_vce(struct pp_hwmgr *hwmgr);
+int cz_dpm_powerup_vce(struct pp_hwmgr *hwmgr);
+int cz_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate);
+int  cz_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr);
 #endif /* _CZ_HWMGR_H_ */

drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c

@@ -23,6 +23,7 @@
 #include <linux/errno.h>
 #include "hwmgr.h"
 #include "hardwaremanager.h"
+#include "power_state.h"
 #include "pp_acpi.h"
 #include "amd_acpi.h"
 
@@ -55,6 +56,17 @@ void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr)
 		phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
 }
 
+bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr)
+{
+	return hwmgr->block_hw_access;
+}
+
+int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block)
+{
+	hwmgr->block_hw_access = block;
+	return 0;
+}
+
 int phm_setup_asic(struct pp_hwmgr *hwmgr)
 {
 	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
@@ -62,13 +74,33 @@ int phm_setup_asic(struct pp_hwmgr *hwmgr)
 		if (NULL != hwmgr->hwmgr_func->asic_setup)
 			return hwmgr->hwmgr_func->asic_setup(hwmgr);
 	} else {
-		return phm_dispatch_table (hwmgr, &(hwmgr->setup_asic),
+		return phm_dispatch_table(hwmgr, &(hwmgr->setup_asic),
 					  NULL, NULL);
 	}
 
 	return 0;
 }
 
+int phm_set_power_state(struct pp_hwmgr *hwmgr,
+		    const struct pp_hw_power_state *pcurrent_state,
+		    const struct pp_hw_power_state *pnew_power_state)
+{
+	struct phm_set_power_state_input states;
+
+	states.pcurrent_state = pcurrent_state;
+	states.pnew_state = pnew_power_state;
+
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+		PHM_PlatformCaps_TablelessHardwareInterface)) {
+		if (NULL != hwmgr->hwmgr_func->power_state_set)
+			return hwmgr->hwmgr_func->power_state_set(hwmgr, &states);
+	} else {
+		return phm_dispatch_table(hwmgr, &(hwmgr->set_power_state), &states, NULL);
+	}
+
+	return 0;
+}
+
 int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 {
 	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
@@ -76,9 +108,62 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 		if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable)
 			return hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr);
 	} else {
-		return phm_dispatch_table (hwmgr,
+		return phm_dispatch_table(hwmgr,
 				&(hwmgr->enable_dynamic_state_management),
 				NULL, NULL);
 	}
 	return 0;
 }
+
+int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
+{
+	if (hwmgr->hwmgr_func->force_dpm_level != NULL)
+		return hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);
+
+	return 0;
+}
+
+int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
+				   struct pp_power_state *adjusted_ps,
+			     const struct pp_power_state *current_ps)
+{
+	if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL)
+		return hwmgr->hwmgr_func->apply_state_adjust_rules(
+									hwmgr,
+								 adjusted_ps,
+								 current_ps);
+	return 0;
+}
+
+int phm_powerdown_uvd(struct pp_hwmgr *hwmgr)
+{
+	if (hwmgr->hwmgr_func->powerdown_uvd != NULL)
+		return hwmgr->hwmgr_func->powerdown_uvd(hwmgr);
+	return 0;
+}
+
+int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate)
+{
+	if (hwmgr->hwmgr_func->powergate_uvd != NULL)
+		return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate);
+	return 0;
+}
+
+int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate)
+{
+	if (hwmgr->hwmgr_func->powergate_vce != NULL)
+		return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate);
+	return 0;
+}
+
+int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
+{
+	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+		PHM_PlatformCaps_TablelessHardwareInterface)) {
+		if (NULL != hwmgr->hwmgr_func->enable_clock_power_gating)
+			return hwmgr->hwmgr_func->enable_clock_power_gating(hwmgr);
+	} else {
+		return phm_dispatch_table(hwmgr, &(hwmgr->enable_clock_power_gatings), NULL, NULL);
+	}
+	return 0;
+}

drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c

@@ -201,3 +201,13 @@ void phm_wait_for_indirect_register_unequal(struct pp_hwmgr *hwmgr,
 	phm_wait_for_register_unequal(hwmgr, indirect_port + 1,
 				      value, mask);
 }
+
+bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr)
+{
+	return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDPowerGating);
+}
+
+bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr)
+{
+	return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEPowerGating);
+}

drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h

@@ -23,7 +23,12 @@
 #ifndef _HARDWARE_MANAGER_H_
 #define _HARDWARE_MANAGER_H_
 
+
+
 struct pp_hwmgr;
+struct pp_hw_power_state;
+struct pp_power_state;
+enum amd_dpm_forced_level;
 
 /* Automatic Power State Throttling */
 enum PHM_AutoThrottleSource
@@ -206,6 +211,24 @@ struct pp_hw_descriptor {
 	uint32_t hw_caps[PHM_MAX_NUM_CAPS_ULONG_ENTRIES];
 };
 
+enum PHM_PerformanceLevelDesignation {
+	PHM_PerformanceLevelDesignation_Activity,
+	PHM_PerformanceLevelDesignation_PowerContainment
+};
+
+typedef enum PHM_PerformanceLevelDesignation PHM_PerformanceLevelDesignation;
+
+struct PHM_PerformanceLevel {
+	uint32_t    coreClock;
+	uint32_t    memory_clock;
+	uint32_t  vddc;
+	uint32_t  vddci;
+	uint32_t    nonLocalMemoryFreq;
+	uint32_t nonLocalMemoryWidth;
+};
+
+typedef struct PHM_PerformanceLevel PHM_PerformanceLevel;
+
 /* Function for setting a platform cap */
 static inline void phm_cap_set(uint32_t *caps,
 			enum phm_platform_caps c)
@@ -226,6 +249,20 @@ static inline bool phm_cap_enabled(const uint32_t *caps, enum phm_platform_caps
 		  (1UL << (c & (PHM_MAX_NUM_CAPS_BITS_PER_FIELD - 1)))));
 }
 
+#define PP_PCIEGenInvalid  0xffff
+enum PP_PCIEGen {
+	PP_PCIEGen1 = 0,                /* PCIE 1.0 - Transfer rate of 2.5 GT/s */
+	PP_PCIEGen2,                    /*PCIE 2.0 - Transfer rate of 5.0 GT/s */
+	PP_PCIEGen3                     /*PCIE 3.0 - Transfer rate of 8.0 GT/s */
+};
+
+typedef enum PP_PCIEGen PP_PCIEGen;
+
+#define PP_Min_PCIEGen     PP_PCIEGen1
+#define PP_Max_PCIEGen     PP_PCIEGen3
+#define PP_Min_PCIELane    1
+#define PP_Max_PCIELane    32
+
 enum phm_clock_Type {
 	PHM_DispClock = 1,
 	PHM_SClock,
@@ -273,8 +310,22 @@ struct phm_clocks {
 	uint32_t num_of_entries;
 	uint32_t clock[MAX_NUM_CLOCKS];
 };
-
+extern int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr);
+extern int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate);
+extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate);
+extern int phm_powerdown_uvd(struct pp_hwmgr *hwmgr);
 extern int phm_setup_asic(struct pp_hwmgr *hwmgr);
 extern int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr);
 extern void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr);
+extern bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr);
+extern int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block);
+extern int phm_set_power_state(struct pp_hwmgr *hwmgr,
+		    const struct pp_hw_power_state *pcurrent_state,
+		 const struct pp_hw_power_state *pnew_power_state);
+
+extern int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
+				   struct pp_power_state *adjusted_ps,
+			     const struct pp_power_state *current_ps);
+
+extern int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level);
 #endif /* _HARDWARE_MANAGER_H_ */

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -23,6 +23,7 @@
 #ifndef _HWMGR_H_
 #define _HWMGR_H_
 
+#include <linux/seq_file.h>
 #include "amd_powerplay.h"
 #include "pp_instance.h"
 #include "hardwaremanager.h"
@@ -85,6 +86,11 @@ typedef int (*phm_table_function)(struct pp_hwmgr *hwmgr, void *input,
 
 typedef bool (*phm_check_function)(struct pp_hwmgr *hwmgr);
 
+struct phm_set_power_state_input {
+	const struct pp_hw_power_state *pcurrent_state;
+	const struct pp_hw_power_state *pnew_state;
+};
+
 struct phm_acp_arbiter {
 	uint32_t acpclk;
 };
@@ -252,11 +258,34 @@ struct pp_hwmgr_func {
 	int (*backend_fini)(struct pp_hwmgr *hw_mgr);
 	int (*asic_setup)(struct pp_hwmgr *hw_mgr);
 	int (*get_power_state_size)(struct pp_hwmgr *hw_mgr);
-	int (*force_dpm_level)(struct pp_hwmgr *hw_mgr, enum amd_dpm_forced_level level);
-	int (*dynamic_state_management_enable)(struct pp_hwmgr *hw_mgr);
-	int (*patch_boot_state)(struct pp_hwmgr *hwmgr, struct pp_hw_power_state *hw_ps);
-	int (*get_pp_table_entry)(struct pp_hwmgr *hwmgr, unsigned long, struct pp_power_state *);
+
+	int (*apply_state_adjust_rules)(struct pp_hwmgr *hwmgr,
+				struct pp_power_state  *prequest_ps,
+			const struct pp_power_state *pcurrent_ps);
+
+	int (*force_dpm_level)(struct pp_hwmgr *hw_mgr,
+					enum amd_dpm_forced_level level);
+
+	int (*dynamic_state_management_enable)(
+						struct pp_hwmgr *hw_mgr);
+
+	int (*patch_boot_state)(struct pp_hwmgr *hwmgr,
+				     struct pp_hw_power_state *hw_ps);
+
+	int (*get_pp_table_entry)(struct pp_hwmgr *hwmgr,
+			    unsigned long, struct pp_power_state *);
+
 	int (*get_num_of_pp_table_entries)(struct pp_hwmgr *hwmgr);
+	int (*powerdown_uvd)(struct pp_hwmgr *hwmgr);
+	int (*powergate_vce)(struct pp_hwmgr *hwmgr, bool bgate);
+	int (*powergate_uvd)(struct pp_hwmgr *hwmgr, bool bgate);
+	int (*get_mclk)(struct pp_hwmgr *hwmgr, bool low);
+	int (*get_sclk)(struct pp_hwmgr *hwmgr, bool low);
+	int (*power_state_set)(struct pp_hwmgr *hwmgr,
+						const void *state);
+	void (*print_current_perforce_level)(struct pp_hwmgr *hwmgr,
+							struct seq_file *m);
+	int (*enable_clock_power_gating)(struct pp_hwmgr *hwmgr);
 };
 
 struct pp_table_func {
@@ -416,7 +445,7 @@ struct pp_hwmgr {
 	struct pp_smumgr *smumgr;
 	const void *soft_pp_table;
 	enum amd_dpm_forced_level dpm_level;
-
+	bool block_hw_access;
 	struct phm_gfx_arbiter gfx_arbiter;
 	struct phm_acp_arbiter acp_arbiter;
 	struct phm_uvd_arbiter uvd_arbiter;
@@ -430,6 +459,8 @@ struct pp_hwmgr {
 	struct phm_runtime_table_header setup_asic;
 	struct phm_runtime_table_header disable_dynamic_state_management;
 	struct phm_runtime_table_header enable_dynamic_state_management;
+	struct phm_runtime_table_header set_power_state;
+	struct phm_runtime_table_header enable_clock_power_gatings;
 	const struct pp_hwmgr_func *hwmgr_func;
 	const struct pp_table_func *pptable_func;
 	struct pp_power_state    *ps;
@@ -471,6 +502,11 @@ extern void phm_wait_for_indirect_register_unequal(
 				uint32_t value,
 				uint32_t mask);
 
+bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr);
+bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr);
+
+#define PHM_ENTIRE_REGISTER_MASK 0xFFFFFFFFU
+
 #define PHM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
 #define PHM_FIELD_MASK(reg, field) reg##__##field##_MASK
 

drivers/gpu/drm/amd/powerplay/inc/pp_asicblocks.h

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef PP_ASICBLOCKS_H
+#define PP_ASICBLOCKS_H
+
+
+enum PHM_AsicBlock {
+	PHM_AsicBlock_GFX,
+	PHM_AsicBlock_UVD_MVC,
+	PHM_AsicBlock_UVD,
+	PHM_AsicBlock_UVD_HD,
+	PHM_AsicBlock_UVD_SD,
+	PHM_AsicBlock_Count
+};
+
+enum PHM_ClockGateSetting {
+	PHM_ClockGateSetting_StaticOn,
+	PHM_ClockGateSetting_StaticOff,
+	PHM_ClockGateSetting_Dynamic
+};
+
+struct phm_asic_blocks {
+	bool gfx : 1;
+	bool uvd : 1;
+};
+
+#endif