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drm/print: Handle NULL drm device in __drm_printk()

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drm_{err,warn,...}() use __drm_printk() which takes a drm device pointer and
uses the embedded device pointer to print the device. This facility handles
NULL device pointer, but not NULL drm device pointer. This patch makes
__drm_printk() also handle a NULL drm device pointer. The printed output is
identical to if drm->dev had been NULL.

Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231117035427.68125-2-ltuikov89@gmail.com
This commit is contained in:
Luben Tuikov
2023-11-16 22:44:53 -05:00
parent 47fbee5f27
commit e04d24c4e8
1 changed files with 1 additions and 1 deletions
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2
include/drm/drm_print.h
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@@ -453,7 +453,7 @@ void __drm_dev_dbg(struct _ddebug *desc, const struct device *dev,
/* Helper for struct drm_device based logging. */
#define __drm_printk(drm, level, type, fmt, ...) \
dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
dev_##level##type((drm) ? (drm)->dev : NULL, "[drm] " fmt, ##__VA_ARGS__)
#define drm_info(drm, fmt, ...) \