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drm: Introduce DRM_DEV_* log messages

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This patch consolidates all the various log functions/macros into
one uber function, drm_log. It also introduces some new DRM_DEV_*
variants that print the device name to delineate multiple devices
of the same type.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1471303084-3757-1-git-send-email-seanpaul@chromium.org
This commit is contained in:
Sean Paul
2016-08-15 16:18:04 -07:00
parent 8f0e4907a8
commit c4e68a5832
2 changed files with 117 additions and 78 deletions
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49
drivers/gpu/drm/drm_drv.c
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@@ -63,37 +63,48 @@ static struct idr drm_minors_idr;
static struct dentry *drm_debugfs_root;
void drm_err(const char *format, ...)
#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;
va_start(args, format);
vaf.fmt = format;
vaf.va = &args;
printk(KERN_ERR "[" DRM_NAME ":%ps] *ERROR* %pV",
__builtin_return_address(0), &vaf);
va_end(args);
}
EXPORT_SYMBOL(drm_err);
void drm_ut_debug_printk(const char *function_name, 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(KERN_DEBUG "[" DRM_NAME ":%s] %pV", function_name, &vaf);
dev_printk(level, dev, DRM_PRINTK_FMT, function_name, prefix,
&vaf);
va_end(args);
}
EXPORT_SYMBOL(drm_ut_debug_printk);
EXPORT_SYMBOL(drm_dev_printk);
void drm_printk(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;
printk("%s" DRM_PRINTK_FMT, level, function_name, prefix, &vaf);
va_end(args);
}
EXPORT_SYMBOL(drm_printk);
/*
* DRM Minors