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 31 void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf) 32 { 33 seq_printf(p->arg, "%pV", vaf); 34 } 35 EXPORT_SYMBOL(__drm_printfn_seq_file); 36 37 void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf) 38 { 39 dev_info(p->arg, "[" DRM_NAME "] %pV", vaf); 40 } 41 EXPORT_SYMBOL(__drm_printfn_info); 42 43 void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf) 44 { 45 pr_debug("%s %pV", p->prefix, vaf); 46 } 47 EXPORT_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 */ 54 void 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 } 65 EXPORT_SYMBOL(drm_printf); 66