LXR linux/drivers/gpu/drm/drm

   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
  26#include <stdarg.h>
  27#include <linux/seq_file.h>
  28#include <drm/drmP.h>
  29#include <drm/drm_print.h>
  30
  31void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf)
  32{
  33        seq_printf(p->arg, "%pV", vaf);
  34}
  35EXPORT_SYMBOL(__drm_printfn_seq_file);
  36
  37void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
  38{
  39        dev_info(p->arg, "[" DRM_NAME "] %pV", vaf);
  40}
  41EXPORT_SYMBOL(__drm_printfn_info);
  42
  43void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf)
  44{
  45        pr_debug("%s %pV", p->prefix, vaf);
  46}
  47EXPORT_SYMBOL(__drm_printfn_debug);
  48
  49/**
  50 * drm_printf - print to a &drm_printer stream
  51 * @p: the &drm_printer
  52 * @f: format string
  53 */
  54void drm_printf(struct drm_printer *p, const char *f, ...)
  55{
  56        struct va_format vaf;
  57        va_list args;
  58
  59        va_start(args, f);
  60        vaf.fmt = f;
  61        vaf.va = &args;
  62        p->printfn(p, &vaf);
  63        va_end(args);
  64}
  65EXPORT_SYMBOL(drm_printf);
  66