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. Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> --- drivers/gpu/drm/bridge/tc358767.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index b45bffab7c81..ef2e373606ba 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -2005,7 +2005,7 @@ static const struct regmap_config tc_regmap_config = { .val_bits = 32, .reg_stride = 4, .max_register = PLL_DBG, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .readable_reg = tc_readable_reg, .volatile_table = &tc_volatile_table, .writeable_reg = tc_writeable_reg, --- base-commit: 6465e260f48790807eef06b583b38ca9789b6072 change-id: 20230929-drm-tc358767-maple-db143f667958 Best regards, -- Mark Brown <broonie@xxxxxxxxxx>