[PATCH 1/2] drm: Extract drm_debug.[hc]
Haneen Mohammed
hamohammed.sa at gmail.com
Wed Oct 11 21:55:05 UTC 2017
On Wed, Oct 11, 2017 at 01:40:47PM +0200, Daniel Vetter wrote:
> On Tue, Oct 10, 2017 at 10:13:36PM -0600, Haneen Mohammed wrote:
> > Extract DRM_* debug macros from drmP.h to drm_debug.h and move printting
> > related functions from drm_drv.[hc] to drm_debug.[hc].
> >
> > Update kerneldoc include directives accordingly.
> >
> > Signed-off-by: Haneen Mohammed <hamohammed.sa at gmail.com>
> > ---
> > Documentation/gpu/drm-uapi.rst | 9 ++
> > drivers/gpu/drm/Makefile | 2 +-
> > drivers/gpu/drm/drm_debug.c | 75 ++++++++++++++++
> > drivers/gpu/drm/drm_drv.c | 47 ----------
> > include/drm/drmP.h | 149 +------------------------------
> > include/drm/drm_debug.h | 193 +++++++++++++++++++++++++++++++++++++++++
> > include/drm/drm_drv.h | 7 --
> > 7 files changed, 279 insertions(+), 203 deletions(-)
> > create mode 100644 drivers/gpu/drm/drm_debug.c
> > create mode 100644 include/drm/drm_debug.h
> >
> > diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst
> > index 679373b..9a374e6 100644
> > --- a/Documentation/gpu/drm-uapi.rst
> > +++ b/Documentation/gpu/drm-uapi.rst
> > @@ -235,6 +235,15 @@ Debugfs Support
> > .. kernel-doc:: drivers/gpu/drm/drm_debugfs.c
> > :export:
> >
> > +Debug Support
> > +-------------
> > +
> > +.. kernel-doc:: include/drm/drm_debug.h
> > + :internal:
> > +
> > +.. kernel-doc:: drivers/gpu/drm/drm_debug.c
> > + :export:
>
> debug output isn't really userspace interfaces. Why did you place it here?
>
> I think finding a suitable place somewhere in drm-internal.rst would be
> better.
> -Daniel
>
I wasn't sure where to place it, I've just followed the example of drm_debugfs.[hc].
Sure, will fix that.
Haneen
> > +
> > Sysfs Support
> > =============
> >
> > diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> > index a8acc19..d09bd06 100644
> > --- a/drivers/gpu/drm/Makefile
> > +++ b/drivers/gpu/drm/Makefile
> > @@ -3,7 +3,7 @@
> > # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
> >
> > drm-y := drm_auth.o drm_bufs.o drm_cache.o \
> > - drm_context.o drm_dma.o \
> > + drm_context.o drm_dma.o drm_debug.o \
> > drm_file.o drm_gem.o drm_ioctl.o drm_irq.o \
> > drm_lock.o drm_memory.o drm_drv.o \
> > drm_scatter.o drm_pci.o \
> > diff --git a/drivers/gpu/drm/drm_debug.c b/drivers/gpu/drm/drm_debug.c
> > new file mode 100644
> > index 0000000..a79593f
> > --- /dev/null
> > +++ b/drivers/gpu/drm/drm_debug.c
> > @@ -0,0 +1,75 @@
> > +/*
> > + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California.
> > + * All Rights Reserved.
> > + *
> > + * Author Rickard E. (Rik) Faith <faith at valinux.com>
> > + *
> > + * 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 (including the next
> > + * paragraph) 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
> > + * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 <drm/drm_debug.h>
> > +#include <drm/drmP.h>
> > +
> > +#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
> > +
> > +void drm_dev_printk(const struct device *dev, const char *level,
> > + unsigned int category, const char *function_name,
> > + const char *prefix, const char *format, ...)
> > +{
> > + struct va_format vaf;
> > + va_list args;
> > +
> > + if (category != DRM_UT_NONE && !(drm_debug & category))
> > + return;
> > +
> > + va_start(args, format);
> > + vaf.fmt = format;
> > + vaf.va = &args;
> > +
> > + if (dev)
> > + dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
> > + &vaf);
> > + else
> > + printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
> > +
> > + va_end(args);
> > +}
> > +EXPORT_SYMBOL(drm_dev_printk);
> > +
> > +void drm_printk(const char *level, unsigned int category,
> > + const char *format, ...)
> > +{
> > + struct va_format vaf;
> > + va_list args;
> > +
> > + if (category != DRM_UT_NONE && !(drm_debug & category))
> > + return;
> > +
> > + va_start(args, format);
> > + vaf.fmt = format;
> > + vaf.va = &args;
> > +
> > + printk("%s" "[" DRM_NAME ":%ps]%s %pV",
> > + level, __builtin_return_address(0),
> > + strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
> > +
> > + va_end(args);
> > +}
> > +EXPORT_SYMBOL(drm_printk);
> > diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> > index be38ac7..9710c78 100644
> > --- a/drivers/gpu/drm/drm_drv.c
> > +++ b/drivers/gpu/drm/drm_drv.c
> > @@ -74,53 +74,6 @@ static bool drm_core_init_complete = false;
> >
> > static struct dentry *drm_debugfs_root;
> >
> > -#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
> > -
> > -void drm_dev_printk(const struct device *dev, const char *level,
> > - unsigned int category, const char *function_name,
> > - const char *prefix, const char *format, ...)
> > -{
> > - struct va_format vaf;
> > - va_list args;
> > -
> > - if (category != DRM_UT_NONE && !(drm_debug & category))
> > - return;
> > -
> > - va_start(args, format);
> > - vaf.fmt = format;
> > - vaf.va = &args;
> > -
> > - if (dev)
> > - dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
> > - &vaf);
> > - else
> > - printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
> > -
> > - va_end(args);
> > -}
> > -EXPORT_SYMBOL(drm_dev_printk);
> > -
> > -void drm_printk(const char *level, unsigned int category,
> > - const char *format, ...)
> > -{
> > - struct va_format vaf;
> > - va_list args;
> > -
> > - if (category != DRM_UT_NONE && !(drm_debug & category))
> > - return;
> > -
> > - va_start(args, format);
> > - vaf.fmt = format;
> > - vaf.va = &args;
> > -
> > - printk("%s" "[" DRM_NAME ":%ps]%s %pV",
> > - level, __builtin_return_address(0),
> > - strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf);
> > -
> > - va_end(args);
> > -}
> > -EXPORT_SYMBOL(drm_printk);
> > -
> > /*
> > * DRM Minors
> > * A DRM device can provide several char-dev interfaces on the DRM-Major. Each
> > diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> > index 7277783a..8186a96 100644
> > --- a/include/drm/drmP.h
> > +++ b/include/drm/drmP.h
> > @@ -77,6 +77,7 @@
> > #include <drm/drm_prime.h>
> > #include <drm/drm_pci.h>
> > #include <drm/drm_file.h>
> > +#include <drm/drm_debug.h>
> > #include <drm/drm_debugfs.h>
> > #include <drm/drm_ioctl.h>
> > #include <drm/drm_sysfs.h>
> > @@ -142,154 +143,6 @@ struct pci_controller;
> > /*@{*/
> >
> > /***********************************************************************/
> > -/** \name Macros to make printk easier */
> > -/*@{*/
> > -
> > -#define _DRM_PRINTK(once, level, fmt, ...) \
> > - do { \
> > - printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
> > - ##__VA_ARGS__); \
> > - } while (0)
> > -
> > -#define DRM_INFO(fmt, ...) \
> > - _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
> > -#define DRM_NOTE(fmt, ...) \
> > - _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
> > -#define DRM_WARN(fmt, ...) \
> > - _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
> > -
> > -#define DRM_INFO_ONCE(fmt, ...) \
> > - _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
> > -#define DRM_NOTE_ONCE(fmt, ...) \
> > - _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
> > -#define DRM_WARN_ONCE(fmt, ...) \
> > - _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
> > -
> > -/**
> > - * Error output.
> > - *
> > - * \param fmt printf() like format string.
> > - * \param arg arguments
> > - */
> > -#define DRM_DEV_ERROR(dev, fmt, ...) \
> > - drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
> > - fmt, ##__VA_ARGS__)
> > -#define DRM_ERROR(fmt, ...) \
> > - drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
> > -
> > -/**
> > - * Rate limited error output. Like DRM_ERROR() but won't flood the log.
> > - *
> > - * \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
> > - */
> > -
> > -/*@}*/
> > -
> > -/***********************************************************************/
> > /** \name Internal types and structures */
> > /*@{*/
> >
> > diff --git a/include/drm/drm_debug.h b/include/drm/drm_debug.h
> > new file mode 100644
> > index 0000000..24fbea4
> > --- /dev/null
> > +++ b/include/drm/drm_debug.h
> > @@ -0,0 +1,193 @@
> > +/*
> > + * Internal Header for the Direct Rendering Manager
> > + *
> > + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
> > + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
> > + * Copyright (c) 2009-2010, Code Aurora Forum.
> > + * All rights reserved.
> > + *
> > + * Author: Rickard E. (Rik) Faith <faith at valinux.com>
> > + * Author: Gareth Hughes <gareth at valinux.com>
> > + *
> > + * 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 (including the next
> > + * paragraph) 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
> > + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
> > + */
> > +
> > +#ifndef _DRM_DEBUG_H_
> > +#define _DRM_DEBUG_H_
> > +
> > +#include <linux/kernel.h>
> > +
> > +__printf(6, 7)
> > +void drm_dev_printk(const struct device *dev, const char *level,
> > + unsigned int category, const char *function_name,
> > + const char *prefix, const char *format, ...);
> > +__printf(3, 4)
> > +void drm_printk(const char *level, unsigned int category,
> > + const char *format, ...);
> > +
> > +/***********************************************************************/
> > +/** \name Macros to make printk easier */
> > +/*@{*/
> > +
> > +#define _DRM_PRINTK(once, level, fmt, ...) \
> > + do { \
> > + printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
> > + ##__VA_ARGS__); \
> > + } while (0)
> > +
> > +#define DRM_INFO(fmt, ...) \
> > + _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
> > +#define DRM_NOTE(fmt, ...) \
> > + _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
> > +#define DRM_WARN(fmt, ...) \
> > + _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
> > +
> > +#define DRM_INFO_ONCE(fmt, ...) \
> > + _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
> > +#define DRM_NOTE_ONCE(fmt, ...) \
> > + _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
> > +#define DRM_WARN_ONCE(fmt, ...) \
> > + _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
> > +
> > +/**
> > + * Error output.
> > + *
> > + * \param fmt printf() like format string.
> > + * \param arg arguments
> > + */
> > +#define DRM_DEV_ERROR(dev, fmt, ...) \
> > + drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\
> > + fmt, ##__VA_ARGS__)
> > +#define DRM_ERROR(fmt, ...) \
> > + drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__)
> > +
> > +/**
> > + * Rate limited error output. Like DRM_ERROR() but won't flood the log.
> > + *
> > + * \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_DEBUG_H_ */
> > diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
> > index 71bbaae..4f3cc25 100644
> > --- a/include/drm/drm_drv.h
> > +++ b/include/drm/drm_drv.h
> > @@ -592,13 +592,6 @@ struct drm_driver {
> > int dev_priv_size;
> > };
> >
> > -__printf(6, 7)
> > -void drm_dev_printk(const struct device *dev, const char *level,
> > - unsigned int category, const char *function_name,
> > - const char *prefix, const char *format, ...);
> > -__printf(3, 4)
> > -void drm_printk(const char *level, unsigned int category,
> > - const char *format, ...);
> > extern unsigned int drm_debug;
> >
> > int drm_dev_init(struct drm_device *dev,
> > --
> > 2.7.4
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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