On Fri, Apr 05, 2024 at 10:45:42AM +0200, Thomas Zimmermann wrote: > Hi > > Am 07.03.24 um 21:39 schrieb Jani Nikula: > > Add a printer based function for dumping the modeline, so it's not > > limited to KMS debug. > > > > Note: The printed output intentionally does not have the "Modeline" > > prefix. Prefix, if any, is for the caller to decide when initializing > > drm_printer. > > > > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > > --- > > drivers/gpu/drm/drm_modes.c | 13 +++++++++++++ > > include/drm/drm_modes.h | 2 ++ > > 2 files changed, 15 insertions(+) > > > > diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c > > index c4f88c3a93b7..711750ab57c7 100644 > > --- a/drivers/gpu/drm/drm_modes.c > > +++ b/drivers/gpu/drm/drm_modes.c > > @@ -49,6 +49,19 @@ > > > > #include "drm_crtc_internal.h" > > > > +/** > > + * drm_mode_print - print a mode to drm printer > > + * @p: drm printer > > + * @mode: mode to print > > + * > > + * Write @mode description to struct drm_printer @p. > > + */ > > +void drm_mode_print(struct drm_printer *p, const struct drm_display_mode *mode) > > Could this be a printf function with a trailing format string as final > argument? The printed mode could then be part of another string instead > of just at the end of it. All this seems pretty much redundant. We already have DRM_MODE_FMT/ARGS so people can include the mode in any kind of format string they want. I would just nuke drm_mode_print() and all its ilk and let people format things themselves. -- Ville Syrjälä Intel