cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/amd/powerplay/eventmgr/eventmgr.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 "eventmgr.h"
#include "hwmgr.h"
#include "eventinit.h"
#include "eventmanagement.h"


static int pem_init(struct pp_eventmgr *eventmgr) { int result = 0; struct pem_event_data event_data = { {0} }; /* Initialize PowerPlay feature info */ pem_init_feature_info(eventmgr); /* Initialize event action chains */ pem_init_event_action_chains(eventmgr); /* Call initialization event */ result = pem_handle_event(eventmgr, AMD_PP_EVENT_INITIALIZE, &event_data); if (0 != result) return result; /* Register interrupt callback functions */ result = pem_register_interrupts(eventmgr); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu6591.55%150.00%
Bradley Pankow68.45%150.00%
Total71100.00%2100.00%


static void pem_fini(struct pp_eventmgr *eventmgr) { struct pem_event_data event_data = { {0} }; pem_uninit_featureInfo(eventmgr); pem_unregister_interrupts(eventmgr); pem_handle_event(eventmgr, AMD_PP_EVENT_UNINITIALIZE, &event_data); }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu3585.37%150.00%
Bradley Pankow614.63%150.00%
Total41100.00%2100.00%


int eventmgr_early_init(struct pp_instance *handle) { struct pp_eventmgr *eventmgr; if (handle == NULL) return -EINVAL; eventmgr = kzalloc(sizeof(struct pp_eventmgr), GFP_KERNEL); if (eventmgr == NULL) return -ENOMEM; eventmgr->hwmgr = handle->hwmgr; handle->eventmgr = eventmgr; eventmgr->platform_descriptor = &(eventmgr->hwmgr->platform_descriptor); eventmgr->pp_eventmgr_init = pem_init; eventmgr->pp_eventmgr_fini = pem_fini; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu90100.00%2100.00%
Total90100.00%2100.00%


static int pem_handle_event_unlocked(struct pp_eventmgr *eventmgr, enum amd_pp_event event, struct pem_event_data *data) { if (eventmgr == NULL || event >= AMD_PP_EVENT_MAX || data == NULL) return -EINVAL; return pem_excute_event_chain(eventmgr, eventmgr->event_chain[event], data); }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu53100.00%1100.00%
Total53100.00%1100.00%


int pem_handle_event(struct pp_eventmgr *eventmgr, enum amd_pp_event event, struct pem_event_data *event_data) { int r = 0; r = pem_handle_event_unlocked(eventmgr, event, event_data); return r; }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu38100.00%1100.00%
Total38100.00%1100.00%


bool pem_is_hw_access_blocked(struct pp_eventmgr *eventmgr) { return (eventmgr->block_adjust_power_state || phm_is_hw_access_blocked(eventmgr->hwmgr)); }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu24100.00%1100.00%
Total24100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu32796.46%266.67%
Bradley Pankow123.54%133.33%
Total339100.00%3100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.