[linux-2.6-block.git] / drivers / gpu / drm / drm_print.c

/*
 * Copyright (C) 2016 Red Hat
 *
 * 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.
 *
 * Authors:
 * Rob Clark <robdclark@gmail.com>
 */

#define DEBUG /* for pr_debug() */

#include <stdarg.h>
#include <linux/seq_file.h>
#include <drm/drmP.h>
#include <drm/drm_print.h>

void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf)
{
	seq_printf(p->arg, "%pV", vaf);
}
EXPORT_SYMBOL(__drm_printfn_seq_file);

void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
{
	dev_info(p->arg, "[" DRM_NAME "] %pV", vaf);
}
EXPORT_SYMBOL(__drm_printfn_info);

void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf)
{
	pr_debug("%s %pV", p->prefix, vaf);
}
EXPORT_SYMBOL(__drm_printfn_debug);

/**
 * drm_printf - print to a &drm_printer stream
 * @p: the &drm_printer
 * @f: format string
 */
void drm_printf(struct drm_printer *p, const char *f, ...)
{
	va_list args;

	va_start(args, f);
	drm_vprintf(p, f, &args);
	va_end(args);
}
EXPORT_SYMBOL(drm_printf);

#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);
Commit	Line	Data
d8187177 RC	1	/*
	2	* Copyright (C) 2016 Red Hat
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors:
	23	* Rob Clark <robdclark@gmail.com>
	24	*/
	25
79a5ad2f CW	26	#define DEBUG /* for pr_debug() */
79a5ad2f CW	27
d8187177 RC	28	#include <stdarg.h>
	29	#include <linux/seq_file.h>
	30	#include <drm/drmP.h>
	31	#include <drm/drm_print.h>
	32
	33	void __drm_printfn_seq_file(struct drm_printer p, struct va_format vaf)
	34	{
	35	seq_printf(p->arg, "%pV", vaf);
	36	}
	37	EXPORT_SYMBOL(__drm_printfn_seq_file);
	38
	39	void __drm_printfn_info(struct drm_printer p, struct va_format vaf)
	40	{
3c6d6e0f	41	dev_info(p->arg, "[" DRM_NAME "] %pV", vaf);
d8187177 RC	42	}
	43	EXPORT_SYMBOL(__drm_printfn_info);
	44
3d387d92 DV	45	void __drm_printfn_debug(struct drm_printer p, struct va_format vaf)
	46	{
	47	pr_debug("%s %pV", p->prefix, vaf);
	48	}
	49	EXPORT_SYMBOL(__drm_printfn_debug);
	50
2d5e836d DV	51	/**
	52	* drm_printf - print to a &drm_printer stream
	53	* @p: the &drm_printer
	54	* @f: format string
	55	*/
d8187177 RC	56	void drm_printf(struct drm_printer p, const char f, ...)
d8187177 RC	57	{
d8187177 RC	58	va_list args;
	59
	60	va_start(args, f);
e2b155e9	61	drm_vprintf(p, f, &args);
d8187177 RC	62	va_end(args);
	63	}
	64	EXPORT_SYMBOL(drm_printf);
02c9656b HM	65
	66	#define DRM_PRINTK_FMT "[" DRM_NAME ":%s]%s %pV"
	67
	68	void drm_dev_printk(const struct device dev, const char level,
	69	unsigned int category, const char *function_name,
	70	const char prefix, const char format, ...)
	71	{
	72	struct va_format vaf;
	73	va_list args;
	74
	75	if (category != DRM_UT_NONE && !(drm_debug & category))
	76	return;
	77
	78	va_start(args, format);
	79	vaf.fmt = format;
	80	vaf.va = &args;
	81
	82	if (dev)
	83	dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
	84	&vaf);
	85	else
	86	printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
	87
	88	va_end(args);
	89	}
	90	EXPORT_SYMBOL(drm_dev_printk);
	91
	92	void drm_printk(const char *level, unsigned int category,
	93	const char *format, ...)
	94	{
	95	struct va_format vaf;
	96	va_list args;
	97
	98	if (category != DRM_UT_NONE && !(drm_debug & category))
	99	return;
	100
	101	va_start(args, format);
	102	vaf.fmt = format;
	103	vaf.va = &args;
	104
	105	printk("%s" "[" DRM_NAME ":%ps]%s %pV",
	106	level, __builtin_return_address(0),
	107	strcmp(level, KERN_ERR) == 0 ? " ERROR" : "", &vaf);
	108
	109	va_end(args);
	110	}
	111	EXPORT_SYMBOL(drm_printk);