From d8187177b0b195368699ba12b5fa8cd5fdc39b79 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Sat, 5 Nov 2016 11:08:07 -0400 Subject: drm: add helper for printing to log or seq_file Sometimes it is nice not to duplicate equivalent printk() and seq_printf() code. v2: simplify things w/ va_format, and use dev_printk, docs Signed-off-by: Rob Clark Signed-off-by: Sean Paul Link: http://patchwork.freedesktop.org/patch/msgid/1478358492-30738-3-git-send-email-robdclark@gmail.com --- drivers/gpu/drm/drm_print.c | 54 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 drivers/gpu/drm/drm_print.c (limited to 'drivers/gpu/drm/drm_print.c') diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c new file mode 100644 index 000000000000..34eb85618b76 --- /dev/null +++ b/drivers/gpu/drm/drm_print.c @@ -0,0 +1,54 @@ +/* + * 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 + */ + +#include +#include +#include +#include + +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_printk(KERN_INFO, p->arg, "[" DRM_NAME "] %pV", vaf); +} +EXPORT_SYMBOL(__drm_printfn_info); + +void drm_printf(struct drm_printer *p, const char *f, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, f); + vaf.fmt = f; + vaf.va = &args; + p->printfn(p, &vaf); + va_end(args); +} +EXPORT_SYMBOL(drm_printf); -- cgit v1.2.3-59-g8ed1b