Hi Mark, Thank you for the patch. On Fri, Sep 29, 2023 at 02:54:19PM +0200, Mark Brown wrote: > The maple tree register cache is based on a much more modern data structure > than the rbtree cache and makes optimisation choices which are probably > more appropriate for modern systems than those made by the rbtree cache. I trust on your this statement. > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Out of curiosity, is this part of an effort to drop the rbtree cache ? > --- > drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > index 2611afd2c1c1..d518de88b5c3 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > @@ -121,7 +121,7 @@ static const struct regmap_config adv7511_regmap_config = { > .val_bits = 8, > > .max_register = 0xff, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > .reg_defaults_raw = adv7511_register_defaults, > .num_reg_defaults_raw = ARRAY_SIZE(adv7511_register_defaults), > > @@ -1068,7 +1068,7 @@ static const struct regmap_config adv7511_cec_regmap_config = { > .val_bits = 8, > > .max_register = 0xff, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > .volatile_reg = adv7511_cec_register_volatile, > }; > > > --- > base-commit: 6465e260f48790807eef06b583b38ca9789b6072 > change-id: 20230929-drm-adv7511-2d592921f8a2 -- Regards, Laurent Pinchart