drm/amd/powerplay: delete dead code in powerplay

delete functiontable related codes
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2,7 +2,7 @@
 # Makefile for the 'hw manager' sub-component of powerplay.
 # It provides the hardware management services for the driver.
 
-HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
+HARDWARE_MGR = hwmgr.o processpptables.o \
 		hardwaremanager.o pp_acpi.o cz_hwmgr.o \
 		cz_clockpowergating.o pppcielanes.o\
 		process_pptables_v1_0.o ppatomctrl.o ppatomfwctrl.o \

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

@@ -1142,8 +1142,7 @@ static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 		return -ENOMEM;
 
 	hwmgr->backend = data;
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_TablelessHardwareInterface);
+
 	result = cz_initialize_dpm_defaults(hwmgr);
 	if (result != 0) {
 		pr_err("cz_initialize_dpm_defaults failed\n");

drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.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 <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include "hwmgr.h"
-
-static int phm_run_table(struct pp_hwmgr *hwmgr,
-			 struct phm_runtime_table_header *rt_table,
-			 void *input,
-			 void *output,
-			 void *temp_storage)
-{
-	int result = 0;
-	phm_table_function *function;
-
-	if (rt_table->function_list == NULL) {
-		pr_debug("this function not implement!\n");
-		return 0;
-	}
-
-	for (function = rt_table->function_list; NULL != *function; function++) {
-		int tmp = (*function)(hwmgr, input, output, temp_storage, result);
-
-		if (tmp == PP_Result_TableImmediateExit)
-			break;
-		if (tmp) {
-			if (0 == result)
-				result = tmp;
-			if (rt_table->exit_error)
-				break;
-		}
-	}
-
-	return result;
-}
-
-int phm_dispatch_table(struct pp_hwmgr *hwmgr,
-		       struct phm_runtime_table_header *rt_table,
-		       void *input, void *output)
-{
-	int result;
-	void *temp_storage;
-
-	if (hwmgr == NULL || rt_table == NULL) {
-		pr_err("Invalid Parameter!\n");
-		return -EINVAL;
-	}
-
-	if (0 != rt_table->storage_size) {
-		temp_storage = kzalloc(rt_table->storage_size, GFP_KERNEL);
-		if (temp_storage == NULL) {
-			pr_err("Could not allocate table temporary storage\n");
-			return -ENOMEM;
-		}
-	} else {
-		temp_storage = NULL;
-	}
-
-	result = phm_run_table(hwmgr, rt_table, input, output, temp_storage);
-
-	kfree(temp_storage);
-
-	return result;
-}
-
-int phm_construct_table(struct pp_hwmgr *hwmgr,
-			const struct phm_master_table_header *master_table,
-			struct phm_runtime_table_header *rt_table)
-{
-	uint32_t function_count = 0;
-	const struct phm_master_table_item *table_item;
-	uint32_t size;
-	phm_table_function *run_time_list;
-	phm_table_function *rtf;
-
-	if (hwmgr == NULL || master_table == NULL || rt_table == NULL) {
-		pr_err("Invalid Parameter!\n");
-		return -EINVAL;
-	}
-
-	for (table_item = master_table->master_list;
-		NULL != table_item->tableFunction; table_item++) {
-		if ((NULL == table_item->isFunctionNeededInRuntimeTable) ||
-		    (table_item->isFunctionNeededInRuntimeTable(hwmgr)))
-			function_count++;
-	}
-
-	size = (function_count + 1) * sizeof(phm_table_function);
-	run_time_list = kzalloc(size, GFP_KERNEL);
-
-	if (NULL == run_time_list)
-		return -ENOMEM;
-
-	rtf = run_time_list;
-	for (table_item = master_table->master_list;
-		NULL != table_item->tableFunction; table_item++) {
-		if ((rtf - run_time_list) > function_count) {
-			pr_err("Check function results have changed\n");
-			kfree(run_time_list);
-			return -EINVAL;
-		}
-
-		if ((NULL == table_item->isFunctionNeededInRuntimeTable) ||
-		     (table_item->isFunctionNeededInRuntimeTable(hwmgr))) {
-			*(rtf++) = table_item->tableFunction;
-		}
-	}
-
-	if ((rtf - run_time_list) > function_count) {
-		pr_err("Check function results have changed\n");
-		kfree(run_time_list);
-		return -EINVAL;
-	}
-
-	*rtf = NULL;
-	rt_table->function_list = run_time_list;
-	rt_table->exit_error = (0 != (master_table->flags & PHM_MasterTableFlag_ExitOnError));
-	rt_table->storage_size = master_table->storage_size;
-	return 0;
-}
-
-int phm_destroy_table(struct pp_hwmgr *hwmgr,
-		      struct phm_runtime_table_header *rt_table)
-{
-	if (hwmgr == NULL || rt_table == NULL) {
-		pr_err("Invalid Parameter\n");
-		return -EINVAL;
-	}
-
-	if (NULL == rt_table->function_list)
-		return 0;
-
-	kfree(rt_table->function_list);
-
-	rt_table->function_list = NULL;
-	rt_table->storage_size = 0;
-	rt_table->exit_error = false;
-
-	return 0;
-}

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

@@ -36,29 +36,12 @@
 			return -EINVAL;				\
 	} while (0)
 
-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)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-		PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (NULL != hwmgr->hwmgr_func->asic_setup)
 		return hwmgr->hwmgr_func->asic_setup(hwmgr);
-	} else {
-		return phm_dispatch_table(hwmgr, &(hwmgr->setup_asic),
-					  NULL, NULL);
-	}
 
 	return 0;
 }
@@ -67,14 +50,8 @@ int phm_power_down_asic(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-		PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (NULL != hwmgr->hwmgr_func->power_off_asic)
 		return hwmgr->hwmgr_func->power_off_asic(hwmgr);
-	} else {
-		return phm_dispatch_table(hwmgr, &(hwmgr->power_down_asic),
-					  NULL, NULL);
-	}
 
 	return 0;
 }
@@ -90,13 +67,8 @@ int phm_set_power_state(struct pp_hwmgr *hwmgr,
 	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;
 }
@@ -107,15 +79,8 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 	bool enabled;
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-		PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable)
 		ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr);
-	} else {
-		ret = phm_dispatch_table(hwmgr,
-				&(hwmgr->enable_dynamic_state_management),
-				NULL, NULL);
-	}
 
 	enabled = ret == 0;
 
@@ -131,15 +96,8 @@ int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-		PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (hwmgr->hwmgr_func->dynamic_state_management_disable)
 		ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr);
-	} else {
-		ret = phm_dispatch_table(hwmgr,
-				&(hwmgr->disable_dynamic_state_management),
-				NULL, NULL);
-	}
 
 	enabled = ret == 0 ? false : true;
 
@@ -219,13 +177,9 @@ int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(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;
 }
 
@@ -233,11 +187,9 @@ int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-		PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (NULL != hwmgr->hwmgr_func->disable_clock_power_gating)
 		return hwmgr->hwmgr_func->disable_clock_power_gating(hwmgr);
-	}
+
 	return 0;
 }
 
@@ -246,12 +198,9 @@ int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-				 PHM_PlatformCaps_TablelessHardwareInterface)) {
 	if (NULL != hwmgr->hwmgr_func->display_config_changed)
 		hwmgr->hwmgr_func->display_config_changed(hwmgr);
-	} else
-		return phm_dispatch_table(hwmgr, &hwmgr->display_configuration_changed, NULL, NULL);
+
 	return 0;
 }
 
@@ -259,8 +208,6 @@ int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
-	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-				 PHM_PlatformCaps_TablelessHardwareInterface))
 	if (NULL != hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment)
 			hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr);
 

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

@@ -852,10 +852,6 @@ int polaris_set_asic_special_caps(struct pp_hwmgr *hwmgr)
 	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 					PHM_PlatformCaps_AutomaticDCTransition);
 
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-				PHM_PlatformCaps_TablelessHardwareInterface);
-
-
 	if (hwmgr->chip_id != CHIP_POLARIS10)
 		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 					PHM_PlatformCaps_SPLLShutdownSupport);
@@ -882,9 +878,6 @@ int fiji_set_asic_special_caps(struct pp_hwmgr *hwmgr)
 	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 			PHM_PlatformCaps_TCPRamping);
 
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_TablelessHardwareInterface);
-
 	return 0;
 }
 
@@ -904,9 +897,6 @@ int tonga_set_asic_special_caps(struct pp_hwmgr *hwmgr)
 	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 		      PHM_PlatformCaps_VCEPowerGating);
 
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			 PHM_PlatformCaps_TablelessHardwareInterface);
-
 	return 0;
 }
 
@@ -920,8 +910,6 @@ int topaz_set_asic_special_caps(struct pp_hwmgr *hwmgr)
 			PHM_PlatformCaps_TDRamping);
 	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 			PHM_PlatformCaps_TCPRamping);
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			 PHM_PlatformCaps_TablelessHardwareInterface);
 	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 		    PHM_PlatformCaps_EVV);
 	return 0;

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

@@ -435,9 +435,6 @@ static int rv_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
 	hwmgr->backend = data;
 
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_TablelessHardwareInterface);
-
 	result = rv_initialize_dpm_defaults(hwmgr);
 	if (result != 0) {
 		pr_err("rv_initialize_dpm_defaults failed\n");

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

@@ -3854,9 +3854,6 @@ static int smu7_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_f
 	hwmgr->thermal_controller.
 	advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
 
-	if (phm_is_hw_access_blocked(hwmgr))
-		return 0;
-
 	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 			PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
 }
@@ -3959,9 +3956,6 @@ static int smu7_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_f
 	hwmgr->thermal_controller.
 	advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;
 
-	if (phm_is_hw_access_blocked(hwmgr))
-		return 0;
-
 	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 			PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
 }

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

@@ -200,9 +200,6 @@ static int vega10_set_features_platform_caps(struct pp_hwmgr *hwmgr)
 		phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
 				PHM_PlatformCaps_ControlVDDCI);
 
-	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_TablelessHardwareInterface);
-
 	phm_cap_set(hwmgr->platform_descriptor.platformCaps,
 			PHM_PlatformCaps_EnableSMU7ThermalManagement);
 

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

@@ -109,10 +109,6 @@ enum PHM_BackEnd_Magic {
 #define PHM_PCIE_POWERGATING_TARGET_PLLCASCADE     2
 #define PHM_PCIE_POWERGATING_TARGET_PHY            3
 
-typedef int (*phm_table_function)(struct pp_hwmgr *hwmgr, void *input,
-				  void *output, void *storage, int result);
-
-typedef bool (*phm_check_function)(struct pp_hwmgr *hwmgr);
 
 struct phm_set_power_state_input {
 	const struct pp_hw_power_state *pcurrent_state;
@@ -149,30 +145,6 @@ struct phm_gfx_arbiter {
 	uint32_t fclk;
 };
 
-/* Entries in the master tables */
-struct phm_master_table_item {
-	phm_check_function isFunctionNeededInRuntimeTable;
-	phm_table_function tableFunction;
-};
-
-enum phm_master_table_flag {
-	PHM_MasterTableFlag_None         = 0,
-	PHM_MasterTableFlag_ExitOnError  = 1,
-};
-
-/* The header of the master tables */
-struct phm_master_table_header {
-	uint32_t storage_size;
-	uint32_t flags;
-	const struct phm_master_table_item *master_list;
-};
-
-struct phm_runtime_table_header {
-	uint32_t storage_size;
-	bool exit_error;
-	phm_table_function *function_list;
-};
-
 struct phm_clock_array {
 	uint32_t count;
 	uint32_t values[1];
@@ -216,19 +188,6 @@ struct phm_phase_shedding_limits_record {
 	uint32_t    Mclk;
 };
 
-
-extern int phm_dispatch_table(struct pp_hwmgr *hwmgr,
-			      struct phm_runtime_table_header *rt_table,
-			      void *input, void *output);
-
-extern int phm_construct_table(struct pp_hwmgr *hwmgr,
-			       const struct phm_master_table_header *master_table,
-			       struct phm_runtime_table_header *rt_table);
-
-extern int phm_destroy_table(struct pp_hwmgr *hwmgr,
-			     struct phm_runtime_table_header *rt_table);
-
-
 struct phm_uvd_clock_voltage_dependency_record {
 	uint32_t vclk;
 	uint32_t dclk;
@@ -749,7 +708,6 @@ struct pp_hwmgr {
 	enum amd_dpm_forced_level dpm_level;
 	enum amd_dpm_forced_level saved_dpm_level;
 	enum amd_dpm_forced_level request_dpm_level;
-	bool block_hw_access;
 	struct phm_gfx_arbiter gfx_arbiter;
 	struct phm_acp_arbiter acp_arbiter;
 	struct phm_uvd_arbiter uvd_arbiter;
@@ -760,13 +718,6 @@ struct pp_hwmgr {
 	void *backend;
 	enum PP_DAL_POWERLEVEL dal_power_level;
 	struct phm_dynamic_state_info dyn_state;
-	struct phm_runtime_table_header setup_asic;
-	struct phm_runtime_table_header power_down_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;
-	struct phm_runtime_table_header display_configuration_changed;
 	const struct pp_hwmgr_func *hwmgr_func;
 	const struct pp_table_func *pptable_func;
 	struct pp_power_state    *ps;