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drm/print: Improve drm_dbg_printer

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With recent introduction of a generic drm dev printk function, we
can now store and use location where drm_dbg_printer was invoked
and output it's symbolic name like we do for all drm debug prints.

Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517163406.2348-3-michal.wajdeczko@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Michal Wajdeczko 2024-05-17 18:34:05 +02:00 committed by Rodrigo Vivi
parent 178c0a33c4
commit c2ef66e9ad
No known key found for this signature in database
GPG key ID: FA625F640EEB13CA
2 changed files with 3 additions and 2 deletions
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3
drivers/gpu/drm/drm_print.c
View file

@ -217,8 +217,7 @@ void __drm_printfn_dbg(struct drm_printer *p, struct va_format *vaf)
if (!__drm_debug_enabled(category))
return;
/* Note: __builtin_return_address(0) is useless here. */
__drm_dev_vprintk(dev, KERN_DEBUG, NULL, p->prefix, vaf);
__drm_dev_vprintk(dev, KERN_DEBUG, p->origin, p->prefix, vaf);
}
EXPORT_SYMBOL(__drm_printfn_dbg);

2
include/drm/drm_print.h
View file

@ -175,6 +175,7 @@ struct drm_printer {
void (*printfn)(struct drm_printer *p, struct va_format *vaf);
void (*puts)(struct drm_printer *p, const char *str);
void *arg;
const void *origin;
const char *prefix;
enum drm_debug_category category;
};
@ -332,6 +333,7 @@ static inline struct drm_printer drm_dbg_printer(struct drm_device *drm,
struct drm_printer p = {
.printfn = __drm_printfn_dbg,
.arg = drm,
.origin = (const void *)_THIS_IP_, /* it's fine as we will be inlined */
.prefix = prefix,
.category = category,
};