From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- .../gpu/drm/amd/powerplay/hwmgr/functiontables.c | 155 +++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c') diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c new file mode 100644 index 000000000..9deadabbc --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/functiontables.c @@ -0,0 +1,155 @@ +/* + * 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 +#include +#include +#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; + + 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 = 0; + void *temp_storage = NULL; + + if (hwmgr == NULL || rt_table == NULL || rt_table->function_list == NULL) { + printk(KERN_ERR "[ powerplay ] Invalid Parameter!\n"); + return 0; /*temp return ture because some function not implement on some asic */ + } + + if (0 != rt_table->storage_size) { + temp_storage = kzalloc(rt_table->storage_size, GFP_KERNEL); + if (temp_storage == NULL) { + printk(KERN_ERR "[ powerplay ] Could not allocate table temporary storage\n"); + return -ENOMEM; + } + } + + result = phm_run_table(hwmgr, rt_table, input, output, temp_storage); + + if (NULL != temp_storage) + kfree(temp_storage); + + return result; +} + +int phm_construct_table(struct pp_hwmgr *hwmgr, + 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) { + printk(KERN_ERR "[ powerplay ] 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) { + printk(KERN_ERR "[ powerplay ] 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) { + printk(KERN_ERR "[ powerplay ] 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) { + printk(KERN_ERR "[ powerplay ] 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; +} -- cgit v1.2.3-54-g00ecf