drm: Move debug macros out of drmP.h
This patch extract DRM_* debug macros from drmP.h to drm_print.h and move printing related functions used by these macros from drm_drv.[hc] to drm_print.[hc]. Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/4020bc7c5ffad2af516919f78bb837c7f366b82b.1508297716.git.hamohammed.sa@gmail.com
This commit is contained in:
Haneen Mohammed
Sean Paul
Родитель
102712a32f
Коммит
02c9656b2f
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@ -74,53 +74,6 @@ static bool drm_core_init_complete = false;
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static struct dentry *drm_debugfs_root;
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#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
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void drm_dev_printk(const struct device *dev, const char *level,
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unsigned int category, const char *function_name,
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const char *prefix, const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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if (dev)
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dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
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&vaf);
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else
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printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_dev_printk);
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void drm_printk(const char *level, unsigned int category,
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const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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printk("%s" "[" DRM_NAME ":%ps]%s %pV",
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level, __builtin_return_address(0),
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strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_printk);
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/*
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* DRM Minors
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* A DRM device can provide several char-dev interfaces on the DRM-Major. Each
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@ -63,3 +63,50 @@ void drm_printf(struct drm_printer *p, const char *f, ...)
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va_end(args);
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}
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EXPORT_SYMBOL(drm_printf);
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#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
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void drm_dev_printk(const struct device *dev, const char *level,
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unsigned int category, const char *function_name,
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const char *prefix, const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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if (dev)
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dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
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&vaf);
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else
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printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_dev_printk);
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void drm_printk(const char *level, unsigned int category,
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const char *format, ...)
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{
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struct va_format vaf;
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va_list args;
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if (category != DRM_UT_NONE && !(drm_debug & category))
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return;
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va_start(args, format);
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vaf.fmt = format;
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vaf.va = &args;
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printk("%s" "[" DRM_NAME ":%ps]%s %pV",
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level, __builtin_return_address(0),
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strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
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va_end(args);
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}
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EXPORT_SYMBOL(drm_printk);
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@ -75,6 +75,7 @@
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#include <drm/drm_sarea.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_prime.h>
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#include <drm/drm_print.h>
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#include <drm/drm_pci.h>
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#include <drm/drm_file.h>
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#include <drm/drm_debugfs.h>
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@ -94,208 +95,16 @@ struct dma_buf_attachment;
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struct pci_dev;
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struct pci_controller;
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/*
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* The following categories are defined:
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*
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* CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ...
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* This is the category used by the DRM_DEBUG() macro.
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*
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* DRIVER: Used in the vendor specific part of the driver: i915, radeon, ...
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* This is the category used by the DRM_DEBUG_DRIVER() macro.
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*
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* KMS: used in the modesetting code.
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* This is the category used by the DRM_DEBUG_KMS() macro.
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*
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* PRIME: used in the prime code.
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* This is the category used by the DRM_DEBUG_PRIME() macro.
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*
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* ATOMIC: used in the atomic code.
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* This is the category used by the DRM_DEBUG_ATOMIC() macro.
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*
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* VBL: used for verbose debug message in the vblank code
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* This is the category used by the DRM_DEBUG_VBL() macro.
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*
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* Enabling verbose debug messages is done through the drm.debug parameter,
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* each category being enabled by a bit.
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*
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* drm.debug=0x1 will enable CORE messages
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* drm.debug=0x2 will enable DRIVER messages
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* drm.debug=0x3 will enable CORE and DRIVER messages
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* ...
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* drm.debug=0x3f will enable all messages
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*
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* An interesting feature is that it's possible to enable verbose logging at
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* run-time by echoing the debug value in its sysfs node:
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* # echo 0xf > /sys/module/drm/parameters/debug
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*/
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#define DRM_UT_NONE 0x00
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#define DRM_UT_CORE 0x01
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#define DRM_UT_DRIVER 0x02
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#define DRM_UT_KMS 0x04
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#define DRM_UT_PRIME 0x08
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#define DRM_UT_ATOMIC 0x10
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#define DRM_UT_VBL 0x20
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#define DRM_UT_STATE 0x40
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/***********************************************************************/
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/** \name DRM template customization defaults */
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/*@{*/
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/***********************************************************************/
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/** \name Macros to make printk easier */
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/*@{*/
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#define _DRM_PRINTK(once, level, fmt, ...) \
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do { \
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printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
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##__VA_ARGS__); \
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} while (0)
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#define DRM_INFO(fmt, ...) \
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_DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
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#define DRM_NOTE(fmt, ...) \
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_DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
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#define DRM_WARN(fmt, ...) \
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_DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
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#define DRM_INFO_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
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#define DRM_NOTE_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
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#define DRM_WARN_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
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/**
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* Error output.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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*/
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#define DRM_DEV_ERROR(dev, fmt, ...) \
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drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
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fmt, ##__VA_ARGS__)
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#define DRM_ERROR(fmt, ...) \
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drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
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/**
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* Rate limited error output. Like DRM_ERROR() but won't flood the log.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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*/
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#define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
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({ \
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static DEFINE_RATELIMIT_STATE(_rs, \
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DEFAULT_RATELIMIT_INTERVAL, \
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DEFAULT_RATELIMIT_BURST); \
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\
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if (__ratelimit(&_rs)) \
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DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
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})
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#define DRM_ERROR_RATELIMITED(fmt, ...) \
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DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
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#define DRM_DEV_INFO(dev, fmt, ...) \
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drm_dev_printk(dev, KERN_INFO, DRM_UT_NONE, __func__, "", fmt, \
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##__VA_ARGS__)
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#define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
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({ \
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static bool __print_once __read_mostly; \
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if (!__print_once) { \
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__print_once = true; \
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DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
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} \
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})
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/**
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* Debug output.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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*/
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#define DRM_DEV_DEBUG(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, \
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##args)
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#define DRM_DEBUG(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__)
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#define DRM_DEV_DEBUG_DRIVER(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_DRIVER, __func__, "", \
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fmt, ##args)
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#define DRM_DEBUG_DRIVER(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
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#define DRM_DEV_DEBUG_KMS(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, \
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##args)
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#define DRM_DEBUG_KMS(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_KMS, fmt, ##__VA_ARGS__)
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#define DRM_DEV_DEBUG_PRIME(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_PRIME, __func__, "", \
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fmt, ##args)
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#define DRM_DEBUG_PRIME(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
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#define DRM_DEV_DEBUG_ATOMIC(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", \
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fmt, ##args)
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#define DRM_DEBUG_ATOMIC(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
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#define DRM_DEV_DEBUG_VBL(dev, fmt, args...) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, \
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##args)
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#define DRM_DEBUG_VBL(fmt, ...) \
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drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__)
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#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \
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({ \
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static DEFINE_RATELIMIT_STATE(_rs, \
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DEFAULT_RATELIMIT_INTERVAL, \
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DEFAULT_RATELIMIT_BURST); \
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if (__ratelimit(&_rs)) \
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drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ ## level, \
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__func__, "", fmt, ##args); \
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})
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/**
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* Rate limited debug output. Like DRM_DEBUG() but won't flood the log.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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*/
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#define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, args...) \
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DEV__DRM_DEFINE_DEBUG_RATELIMITED(dev, CORE, fmt, ##args)
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#define DRM_DEBUG_RATELIMITED(fmt, args...) \
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DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##args)
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#define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, args...) \
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_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRIVER, fmt, ##args)
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#define DRM_DEBUG_DRIVER_RATELIMITED(fmt, args...) \
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DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##args)
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#define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, args...) \
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_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, KMS, fmt, ##args)
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#define DRM_DEBUG_KMS_RATELIMITED(fmt, args...) \
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DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##args)
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#define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, args...) \
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_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, PRIME, fmt, ##args)
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#define DRM_DEBUG_PRIME_RATELIMITED(fmt, args...) \
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DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##args)
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/* Format strings and argument splitters to simplify printing
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* various "complex" objects
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*/
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/*@}*/
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/***********************************************************************/
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/** \name Internal types and structures */
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/*@{*/
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#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
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/**
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* drm_drv_uses_atomic_modeset - check if the driver implements
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* atomic_commit()
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@ -592,13 +592,6 @@ struct drm_driver {
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int dev_priv_size;
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};
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__printf(6, 7)
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void drm_dev_printk(const struct device *dev, const char *level,
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unsigned int category, const char *function_name,
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const char *prefix, const char *format, ...);
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__printf(3, 4)
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void drm_printk(const char *level, unsigned int category,
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const char *format, ...);
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extern unsigned int drm_debug;
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int drm_dev_init(struct drm_device *dev,
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@ -128,4 +128,203 @@ static inline struct drm_printer drm_debug_printer(const char *prefix)
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};
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return p;
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}
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/*
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* The following categories are defined:
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*
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* CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ...
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* This is the category used by the DRM_DEBUG() macro.
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*
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* DRIVER: Used in the vendor specific part of the driver: i915, radeon, ...
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* This is the category used by the DRM_DEBUG_DRIVER() macro.
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*
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* KMS: used in the modesetting code.
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* This is the category used by the DRM_DEBUG_KMS() macro.
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*
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* PRIME: used in the prime code.
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* This is the category used by the DRM_DEBUG_PRIME() macro.
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*
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* ATOMIC: used in the atomic code.
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* This is the category used by the DRM_DEBUG_ATOMIC() macro.
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*
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* VBL: used for verbose debug message in the vblank code
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* This is the category used by the DRM_DEBUG_VBL() macro.
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*
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* Enabling verbose debug messages is done through the drm.debug parameter,
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* each category being enabled by a bit.
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*
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* drm.debug=0x1 will enable CORE messages
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* drm.debug=0x2 will enable DRIVER messages
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* drm.debug=0x3 will enable CORE and DRIVER messages
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* ...
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* drm.debug=0x3f will enable all messages
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*
|
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* An interesting feature is that it's possible to enable verbose logging at
|
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* run-time by echoing the debug value in its sysfs node:
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* # echo 0xf > /sys/module/drm/parameters/debug
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*/
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#define DRM_UT_NONE 0x00
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#define DRM_UT_CORE 0x01
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#define DRM_UT_DRIVER 0x02
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#define DRM_UT_KMS 0x04
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#define DRM_UT_PRIME 0x08
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#define DRM_UT_ATOMIC 0x10
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#define DRM_UT_VBL 0x20
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#define DRM_UT_STATE 0x40
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__printf(6, 7)
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void drm_dev_printk(const struct device *dev, const char *level,
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unsigned int category, const char *function_name,
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const char *prefix, const char *format, ...);
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__printf(3, 4)
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void drm_printk(const char *level, unsigned int category,
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const char *format, ...);
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/***********************************************************************/
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/** \name Macros to make printk easier */
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/*@{*/
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#define _DRM_PRINTK(once, level, fmt, ...) \
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do { \
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printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
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##__VA_ARGS__); \
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} while (0)
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#define DRM_INFO(fmt, ...) \
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_DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
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#define DRM_NOTE(fmt, ...) \
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_DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
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#define DRM_WARN(fmt, ...) \
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_DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
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#define DRM_INFO_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
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#define DRM_NOTE_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
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#define DRM_WARN_ONCE(fmt, ...) \
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_DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
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/**
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* Error output.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
|
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*/
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#define DRM_DEV_ERROR(dev, fmt, ...) \
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drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
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fmt, ##__VA_ARGS__)
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#define DRM_ERROR(fmt, ...) \
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drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
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/**
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* Rate limited error output. Like DRM_ERROR() but won't flood the log.
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*
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* \param fmt printf() like format string.
|
||||
* \param arg arguments
|
||||
*/
|
||||
#define DRM_DEV_ERROR_RATELIMITED(dev, fmt, ...) \
|
||||
({ \
|
||||
static DEFINE_RATELIMIT_STATE(_rs, \
|
||||
DEFAULT_RATELIMIT_INTERVAL, \
|
||||
DEFAULT_RATELIMIT_BURST); \
|
||||
\
|
||||
if (__ratelimit(&_rs)) \
|
||||
DRM_DEV_ERROR(dev, fmt, ##__VA_ARGS__); \
|
||||
})
|
||||
#define DRM_ERROR_RATELIMITED(fmt, ...) \
|
||||
DRM_DEV_ERROR_RATELIMITED(NULL, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_INFO(dev, fmt, ...) \
|
||||
drm_dev_printk(dev, KERN_INFO, DRM_UT_NONE, __func__, "", fmt, \
|
||||
##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_INFO_ONCE(dev, fmt, ...) \
|
||||
({ \
|
||||
static bool __print_once __read_mostly; \
|
||||
if (!__print_once) { \
|
||||
__print_once = true; \
|
||||
DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \
|
||||
} \
|
||||
})
|
||||
|
||||
/**
|
||||
* Debug output.
|
||||
*
|
||||
* \param fmt printf() like format string.
|
||||
* \param arg arguments
|
||||
*/
|
||||
#define DRM_DEV_DEBUG(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, \
|
||||
##args)
|
||||
#define DRM_DEBUG(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_DEBUG_DRIVER(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_DRIVER, __func__, "", \
|
||||
fmt, ##args)
|
||||
#define DRM_DEBUG_DRIVER(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_DEBUG_KMS(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, \
|
||||
##args)
|
||||
#define DRM_DEBUG_KMS(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_KMS, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_DEBUG_PRIME(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_PRIME, __func__, "", \
|
||||
fmt, ##args)
|
||||
#define DRM_DEBUG_PRIME(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_PRIME, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_DEBUG_ATOMIC(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", \
|
||||
fmt, ##args)
|
||||
#define DRM_DEBUG_ATOMIC(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define DRM_DEV_DEBUG_VBL(dev, fmt, args...) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, \
|
||||
##args)
|
||||
#define DRM_DEBUG_VBL(fmt, ...) \
|
||||
drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__)
|
||||
|
||||
#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \
|
||||
({ \
|
||||
static DEFINE_RATELIMIT_STATE(_rs, \
|
||||
DEFAULT_RATELIMIT_INTERVAL, \
|
||||
DEFAULT_RATELIMIT_BURST); \
|
||||
if (__ratelimit(&_rs)) \
|
||||
drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ ## level, \
|
||||
__func__, "", fmt, ##args); \
|
||||
})
|
||||
|
||||
/**
|
||||
* Rate limited debug output. Like DRM_DEBUG() but won't flood the log.
|
||||
*
|
||||
* \param fmt printf() like format string.
|
||||
* \param arg arguments
|
||||
*/
|
||||
#define DRM_DEV_DEBUG_RATELIMITED(dev, fmt, args...) \
|
||||
DEV__DRM_DEFINE_DEBUG_RATELIMITED(dev, CORE, fmt, ##args)
|
||||
#define DRM_DEBUG_RATELIMITED(fmt, args...) \
|
||||
DRM_DEV_DEBUG_RATELIMITED(NULL, fmt, ##args)
|
||||
#define DRM_DEV_DEBUG_DRIVER_RATELIMITED(dev, fmt, args...) \
|
||||
_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, DRIVER, fmt, ##args)
|
||||
#define DRM_DEBUG_DRIVER_RATELIMITED(fmt, args...) \
|
||||
DRM_DEV_DEBUG_DRIVER_RATELIMITED(NULL, fmt, ##args)
|
||||
#define DRM_DEV_DEBUG_KMS_RATELIMITED(dev, fmt, args...) \
|
||||
_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, KMS, fmt, ##args)
|
||||
#define DRM_DEBUG_KMS_RATELIMITED(fmt, args...) \
|
||||
DRM_DEV_DEBUG_KMS_RATELIMITED(NULL, fmt, ##args)
|
||||
#define DRM_DEV_DEBUG_PRIME_RATELIMITED(dev, fmt, args...) \
|
||||
_DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, PRIME, fmt, ##args)
|
||||
#define DRM_DEBUG_PRIME_RATELIMITED(fmt, args...) \
|
||||
DRM_DEV_DEBUG_PRIME_RATELIMITED(NULL, fmt, ##args)
|
||||
|
||||
/* Format strings and argument splitters to simplify printing
|
||||
* various "complex" objects
|
||||
*/
|
||||
|
||||
/*@}*/
|
||||
|
||||
#endif /* DRM_PRINT_H_ */
|
||||
|
|
|
|||
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