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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-28 19:42:09 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-30 13:43:40 +0300
commit3d387d923c18afbacef8f14ccaa2ace2a297df74 (patch)
tree45e4cc2a822b06f5baefa71e32fcc51766b96893 /drivers/gpu/drm/drm_print.c
parentae774e2c68d19da7a8e982889a5a1684cac93c78 (diff)
downloadlinux-3d387d923c18afbacef8f14ccaa2ace2a297df74.tar.xz
drm/printer: add debug printer
Useful for dumping lots of data into dmesg, e.g. drm_mm. v2: Fixup export_symbol line, I misplaced a hunk (Chris). Cc: Rob Clark <robdclark@gmail.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1482943330-11592-1-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/drm_print.c')
-rw-r--r--drivers/gpu/drm/drm_print.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index ad3caaa1f48b..02a107d50706 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -40,6 +40,12 @@ void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
}
EXPORT_SYMBOL(__drm_printfn_info);
+void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf)
+{
+ pr_debug("%s %pV", p->prefix, vaf);
+}
+EXPORT_SYMBOL(__drm_printfn_debug);
+
/**
* drm_printf - print to a &drm_printer stream
* @p: the &drm_printer