Quoting Haneen Mohammed (2017-10-12 03:32:53)
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@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);elseprintk("%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);
We already have drm_print.c, currently used to house drm_printf and the drm_printer. It might be a bit confusing to have drm_printk and drm_printf next to each other, but less confusing that calling user error messages drm_debug.c. -Chris