drm/amd/powerplay: add raven support in hwmgr. (v2)

hwmgr handles the GPU power state management.

v2: squash in updates (Alex)
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -42,8 +42,8 @@ static int pem_init(struct pp_eventmgr *eventmgr)
 	/* Call initialization event */
 	result = pem_handle_event(eventmgr, AMD_PP_EVENT_INITIALIZE, &event_data);
 
-	if (0 != result)
-		return result;
+	/* if (0 != result)
+		return result; */
 
 	/* Register interrupt callback functions */
 	result = pem_register_interrupts(eventmgr);

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

@@ -9,7 +9,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
 		smu7_hwmgr.o smu7_powertune.o smu7_thermal.o \
 		smu7_clockpowergating.o \
 		vega10_processpptables.o vega10_hwmgr.o vega10_powertune.o \
-		vega10_thermal.o pp_overdriver.o
+		vega10_thermal.o pp_overdriver.o rv_hwmgr.o
 
 AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
 

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

@@ -115,6 +115,15 @@ int hwmgr_early_init(struct pp_instance *handle)
 			return -EINVAL;
 		}
 		break;
+	case AMDGPU_FAMILY_RV:
+		switch (hwmgr->chip_id) {
+		case CHIP_RAVEN:
+			rv_init_function_pointers(hwmgr);
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
 	default:
 		return -EINVAL;
 	}

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

@@ -1015,6 +1015,10 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr,
 	hwmgr->platform_descriptor.overdriveLimit.memoryClock = 0;
 	hwmgr->platform_descriptor.minOverdriveVDDC = 0;
 	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
+	hwmgr->platform_descriptor.overdriveVDDCStep = 0;
+
+	if (hwmgr->chip_id == CHIP_RAVEN)
+		return 0;
 
 	/* We assume here that fw_info is unchanged if this call fails.*/
 	fw_info = cgs_atom_get_data_table(hwmgr->device,

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

+/*
+ * Copyright 2017 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 RAVEN_HWMGR_H
+#define RAVEN_HWMGR_H
+
+#include "hwmgr.h"
+#include "rv_inc.h"
+#include "smu10_driver_if.h"
+#include "rv_ppsmc.h"
+
+
+#define RAVEN_MAX_HARDWARE_POWERLEVELS               8
+#define PHMRAVEN_DYNCLK_NUMBER_OF_TREND_COEFFICIENTS   15
+
+#define DPMFlags_SCLK_Enabled                     0x00000001
+#define DPMFlags_UVD_Enabled                      0x00000002
+#define DPMFlags_VCE_Enabled                      0x00000004
+#define DPMFlags_ACP_Enabled                      0x00000008
+#define DPMFlags_ForceHighestValid                0x40000000
+
+/* Do not change the following, it is also defined in SMU8.h */
+#define SMU_EnabledFeatureScoreboard_AcpDpmOn     0x00000001
+#define SMU_EnabledFeatureScoreboard_SclkDpmOn    0x00200000
+#define SMU_EnabledFeatureScoreboard_UvdDpmOn     0x01000000
+#define SMU_EnabledFeatureScoreboard_VceDpmOn     0x02000000
+
+#define SMU_PHYID_SHIFT      8
+
+#define RAVEN_PCIE_POWERGATING_TARGET_GFX            0
+#define RAVEN_PCIE_POWERGATING_TARGET_DDI            1
+#define RAVEN_PCIE_POWERGATING_TARGET_PLLCASCADE     2
+#define RAVEN_PCIE_POWERGATING_TARGET_PHY            3
+
+enum VQ_TYPE {
+	CLOCK_TYPE_DCLK = 0L,
+	CLOCK_TYPE_ECLK,
+	CLOCK_TYPE_SCLK,
+	CLOCK_TYPE_CCLK,
+	VQ_GFX_CU
+};
+
+#define SUSTAINABLE_SCLK_MASK  0x00ffffff
+#define SUSTAINABLE_SCLK_SHIFT 0
+#define SUSTAINABLE_CU_MASK    0xff000000
+#define SUSTAINABLE_CU_SHIFT   24
+
+struct rv_dpm_entry {
+	uint32_t soft_min_clk;
+	uint32_t hard_min_clk;
+	uint32_t soft_max_clk;
+	uint32_t hard_max_clk;
+};
+
+struct rv_power_level {
+	uint32_t engine_clock;
+	uint8_t vddc_index;
+	uint8_t ds_divider_index;
+	uint8_t ss_divider_index;
+	uint8_t allow_gnb_slow;
+	uint8_t force_nbp_state;
+	uint8_t display_wm;
+	uint8_t vce_wm;
+	uint8_t num_simd_to_powerdown;
+	uint8_t hysteresis_up;
+	uint8_t rsv[3];
+};
+
+/*used for the nbpsFlags field in rv_power state*/
+#define RAVEN_POWERSTATE_FLAGS_NBPS_FORCEHIGH (1<<0)
+#define RAVEN_POWERSTATE_FLAGS_NBPS_LOCKTOHIGH (1<<1)
+#define RAVEN_POWERSTATE_FLAGS_NBPS_LOCKTOLOW (1<<2)
+
+#define RAVEN_POWERSTATE_FLAGS_BAPM_DISABLE    (1<<0)
+
+struct rv_uvd_clocks {
+	uint32_t vclk;
+	uint32_t dclk;
+	uint32_t vclk_low_divider;
+	uint32_t vclk_high_divider;
+	uint32_t dclk_low_divider;
+	uint32_t dclk_high_divider;
+};
+
+struct pp_disable_nbpslo_flags {
+	union {
+		struct {
+			uint32_t entry : 1;
+			uint32_t display : 1;
+			uint32_t driver: 1;
+			uint32_t vce : 1;
+			uint32_t uvd : 1;
+			uint32_t acp : 1;
+			uint32_t reserved: 26;
+		} bits;
+		uint32_t u32All;
+	};
+};
+
+
+enum rv_pstate_previous_action {
+	DO_NOTHING = 1,
+	FORCE_HIGH,
+	CANCEL_FORCE_HIGH
+};
+
+struct rv_power_state {
+	unsigned int magic;
+	uint32_t level;
+	struct rv_uvd_clocks uvd_clocks;
+	uint32_t evclk;
+	uint32_t ecclk;
+	uint32_t samclk;
+	uint32_t acpclk;
+	bool need_dfs_bypass;
+
+	uint32_t nbps_flags;
+	uint32_t bapm_flags;
+	uint8_t dpm0_pg_nbps_low;
+	uint8_t dpm0_pg_nbps_high;
+	uint8_t dpm_x_nbps_low;
+	uint8_t dpm_x_nbps_high;
+
+	enum rv_pstate_previous_action action;
+
+	struct rv_power_level levels[RAVEN_MAX_HARDWARE_POWERLEVELS];
+	struct pp_disable_nbpslo_flags nbpslo_flags;
+};
+
+#define RAVEN_NUM_NBPSTATES        4
+#define RAVEN_NUM_NBPMEMORYCLOCK   2
+
+
+struct rv_display_phy_info_entry {
+	uint8_t                   phy_present;
+	uint8_t                   active_lane_mapping;
+	uint8_t                   display_config_type;
+	uint8_t                   active_num_of_lanes;
+};
+
+#define RAVEN_MAX_DISPLAYPHY_IDS       10
+
+struct rv_display_phy_info {
+	bool                         display_phy_access_initialized;
+	struct rv_display_phy_info_entry  entries[RAVEN_MAX_DISPLAYPHY_IDS];
+};
+
+#define MAX_DISPLAY_CLOCK_LEVEL 8
+
+struct rv_system_info{
+	uint8_t                      htc_tmp_lmt;
+	uint8_t                      htc_hyst_lmt;
+};
+
+#define MAX_REGULAR_DPM_NUMBER 8
+
+struct rv_mclk_latency_entries {
+	uint32_t  frequency;
+	uint32_t  latency;
+};
+
+struct rv_mclk_latency_table {
+	uint32_t  count;
+	struct rv_mclk_latency_entries  entries[MAX_REGULAR_DPM_NUMBER];
+};
+
+struct rv_clock_voltage_dependency_record {
+	uint32_t clk;
+	uint32_t vol;
+};
+
+
+struct rv_voltage_dependency_table {
+	uint32_t count;
+	struct rv_clock_voltage_dependency_record entries[1];
+};
+
+struct rv_clock_voltage_information {
+	struct rv_voltage_dependency_table    *vdd_dep_on_dcefclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_socclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_fclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_mclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_dispclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_dppclk;
+	struct rv_voltage_dependency_table    *vdd_dep_on_phyclk;
+};
+
+struct rv_hwmgr {
+	uint32_t disable_driver_thermal_policy;
+	uint32_t thermal_auto_throttling_treshold;
+	struct rv_system_info sys_info;
+	struct rv_mclk_latency_table mclk_latency_table;
+
+	uint32_t ddi_power_gating_disabled;
+
+	struct rv_display_phy_info_entry            display_phy_info;
+	uint32_t dce_slow_sclk_threshold;
+
+	bool disp_clk_bypass;
+	bool disp_clk_bypass_pending;
+	uint32_t bapm_enabled;
+
+	bool video_start;
+	bool battery_state;
+
+	uint32_t is_nb_dpm_enabled;
+	uint32_t is_voltage_island_enabled;
+	uint32_t disable_smu_acp_s3_handshake;
+	uint32_t disable_notify_smu_vpu_recovery;
+	bool                           in_vpu_recovery;
+	bool pg_acp_init;
+	uint8_t disp_config;
+
+	/* PowerTune */
+	uint32_t power_containment_features;
+	bool cac_enabled;
+	bool disable_uvd_power_tune_feature;
+	bool enable_bapm_feature;
+	bool enable_tdc_limit_feature;
+
+
+	/* SMC SRAM Address of firmware header tables */
+	uint32_t sram_end;
+	uint32_t dpm_table_start;
+	uint32_t soft_regs_start;
+
+	/* start of SMU7_Fusion_DpmTable */
+
+	uint8_t uvd_level_count;
+	uint8_t vce_level_count;
+	uint8_t acp_level_count;
+	uint8_t samu_level_count;
+
+	uint32_t fps_high_threshold;
+	uint32_t fps_low_threshold;
+
+	uint32_t dpm_flags;
+	struct rv_dpm_entry sclk_dpm;
+	struct rv_dpm_entry uvd_dpm;
+	struct rv_dpm_entry vce_dpm;
+	struct rv_dpm_entry acp_dpm;
+	bool acp_power_up_no_dsp;
+
+	uint32_t max_sclk_level;
+	uint32_t num_of_clk_entries;
+
+	/* CPU Power State */
+	uint32_t                          separation_time;
+	bool                              cc6_disable;
+	bool                              pstate_disable;
+	bool                              cc6_setting_changed;
+
+	uint32_t                             ulTotalActiveCUs;
+
+	bool                           isp_tileA_power_gated;
+	bool                           isp_tileB_power_gated;
+	uint32_t                       isp_actual_hard_min_freq;
+	uint32_t                       soc_actual_hard_min_freq;
+
+	bool                           vcn_power_gated;
+	bool                           vcn_dpg_mode;
+
+	bool                           gfx_off_controled_by_driver;
+	Watermarks_t                      water_marks_table;
+	struct rv_clock_voltage_information   clock_vol_info;
+	DpmClocks_t                       clock_table;
+
+	uint32_t active_process_mask;
+};
+
+struct pp_hwmgr;
+
+int rv_init_function_pointers(struct pp_hwmgr *hwmgr);
+
+#endif

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

@@ -273,7 +273,8 @@ enum amd_pp_clock_type {
 	amd_pp_dcef_clock,
 	amd_pp_soc_clock,
 	amd_pp_pixel_clock,
-	amd_pp_phy_clock
+	amd_pp_phy_clock,
+	amd_pp_dpp_clock
 };
 
 #define MAX_NUM_CLOCKS 16

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

@@ -612,17 +612,6 @@ struct phm_ppt_v2_information {
 	uint8_t  uc_dcef_dpm_voltage_mode;
 };
 
-struct phm_ppt_v3_information {
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_sclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_mclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_socclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_dcefclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_pixclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_dispclk;
-	struct phm_ppt_v1_clock_voltage_dependency_table *vdd_dep_on_phyclk;
-};
-
-
 struct phm_dynamic_state_info {
 	struct phm_clock_voltage_dependency_table *vddc_dependency_on_sclk;
 	struct phm_clock_voltage_dependency_table *vddci_dependency_on_mclk;
@@ -836,6 +825,7 @@ extern void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr);
 
 extern int smu7_init_function_pointers(struct pp_hwmgr *hwmgr);
 extern int vega10_hwmgr_init(struct pp_hwmgr *hwmgr);
+extern int rv_init_function_pointers(struct pp_hwmgr *hwmgr);
 
 extern int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
 				uint32_t sclk, uint16_t id, uint16_t *voltage);