evie/android_kernel_oneplus_msm8998
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msm: kgsl: Limit the kgsl log frequency in kgsl_get_unmapped_area()

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Reduce the frequency of kgsl logging when kgsl driver failed to get
memory mapping for requested memory.

Change-Id: If1a8832a9aa0396e3c990916deec7949697be12d
Signed-off-by: Venkateswara Rao Tadikonda <vtadik@codeaurora.org>
This commit is contained in:
Venkateswara Rao Tadikonda 2017-08-29 11:02:38 +05:30
parent d727a95d2e
commit a33cdc7723
2 changed files with 12 additions and 3 deletions
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4
drivers/gpu/msm/kgsl.c
View file

@ -4399,13 +4399,13 @@ kgsl_get_unmapped_area(struct file *file, unsigned long addr,
if (!kgsl_memdesc_use_cpu_map(&entry->memdesc)) {
val = get_unmapped_area(NULL, addr, len, 0, flags);
if (IS_ERR_VALUE(val))
KGSL_MEM_ERR(device,
KGSL_DRV_ERR_RATELIMIT(device,
"get_unmapped_area: pid %d addr %lx pgoff %lx len %ld failed error %d\n",
private->pid, addr, pgoff, len, (int) val);
} else {
val = _get_svm_area(private, entry, addr, len, flags);
if (IS_ERR_VALUE(val))
KGSL_MEM_ERR(device,
KGSL_DRV_ERR_RATELIMIT(device,
"_get_svm_area: pid %d mmap_base %lx addr %lx pgoff %lx len %ld failed error %d\n",
private->pid, current->mm->mmap_base, addr,
pgoff, len, (int) val);

11
drivers/gpu/msm/kgsl_log.h
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2002,2008-2011,2013-2014,2016 The Linux Foundation.
/* Copyright (c) 2002,2008-2011,2013-2014,2016-2017 The Linux Foundation.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
@ -67,6 +67,13 @@
__func__, ##args);\
} while (0)
#define KGSL_LOG_ERR_RATELIMITED(dev, lvl, fmt, args...) \
do { \
if ((lvl) >= 3) \
dev_err_ratelimited(dev, "|%s| " fmt, \
__func__, ##args);\
} while (0)
#define KGSL_DRV_INFO(_dev, fmt, args...) \
KGSL_LOG_INFO(_dev->dev, _dev->drv_log, fmt, ##args)
#define KGSL_DRV_WARN(_dev, fmt, args...) \
@ -77,6 +84,8 @@ KGSL_LOG_ERR(_dev->dev, _dev->drv_log, fmt, ##args)
KGSL_LOG_CRIT(_dev->dev, _dev->drv_log, fmt, ##args)
#define KGSL_DRV_CRIT_RATELIMIT(_dev, fmt, args...) \
KGSL_LOG_CRIT_RATELIMITED(_dev->dev, _dev->drv_log, fmt, ##args)
#define KGSL_DRV_ERR_RATELIMIT(_dev, fmt, args...) \
KGSL_LOG_ERR_RATELIMITED(_dev->dev, _dev->drv_log, fmt, ##args)
#define KGSL_DRV_FATAL(_dev, fmt, args...) \
KGSL_LOG_FATAL((_dev)->dev, (_dev)->drv_log, fmt, ##args)