92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2021 MediaTek Inc.
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*/
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/**
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* @file mtk_gpufreq_common.c
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* @brief Driver for GPU-DVFS
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*/
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/**
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* ===============================================
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* SECTION : Include files
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* ===============================================
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*/
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#include <linux/slab.h>
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#include <mt-plat/aee.h>
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#include <aed.h>
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#include "mtk_gpufreq_common.h"
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#ifdef CONFIG_MTK_AEE_AED
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static struct gpu_assert_info g_pending_info;
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static int g_have_pending_info;
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#endif
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static void dump_except(enum g_exception_enum except_type, char *except_str)
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{
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#ifdef CONFIG_MTK_AEE_AED
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if (except_str == NULL) {
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pr_info("%s: NULL string\n", __func__);
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return;
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}
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if (except_type < 0 ||
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except_type >= (sizeof(g_exception_string) / sizeof(char *))) {
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pr_info("%s: except_type %d out of range\n", __func__, except_type);
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return;
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}
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if (aee_mode != AEE_MODE_NOT_INIT) {
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aee_kernel_warning("GPU_FREQ",
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"\n\n%s\nCRDISPATCH_KEY:%s\n",
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except_str,
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g_exception_string[except_type]);
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} else if (g_have_pending_info == 0) {
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/* the aee driver is not ready
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* we will call kernel api later
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*/
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g_pending_info.exception_type = except_type;
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strncpy(g_pending_info.exception_string, except_str, 1023);
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g_have_pending_info = 1;
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}
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#else
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(void)except_type;
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(void)except_str;
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#endif
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}
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void gpu_assert(bool cond, enum g_exception_enum except_type,
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const char *except_str, ...)
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{
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va_list args;
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int cx;
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char tmp_string[1024];
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if (unlikely(!(cond))) {
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va_start(args, except_str);
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cx = vsnprintf(tmp_string, sizeof(tmp_string),
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except_str, args);
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va_end(args);
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pr_info("[GPU/DVFS] assert:%s", tmp_string);
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if (cx >= 0)
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dump_except(except_type, tmp_string);
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}
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}
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/* check if there have pending info
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* return: the count of pending info
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*/
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void check_pending_info(void)
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{
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#ifdef CONFIG_MTK_AEE_AED
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if (g_have_pending_info &&
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aee_mode != AEE_MODE_NOT_INIT) {
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g_have_pending_info = 0;
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dump_except(
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g_pending_info.exception_type,
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g_pending_info.exception_string);
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}
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#endif
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}
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