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/lontium-lt9211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9211.c b/drivers/gpu/drm/bridge/lontium-lt9211.c index 4d404f5ef87e..c8881796fba4 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9211.c +++ b/drivers/gpu/drm/bridge/lontium-lt9211.c @@ -89,7 +89,7 @@ static const struct regmap_config lt9211_regmap_config = { .volatile_table = <9211_rw_table, .ranges = <9211_range, .num_ranges = 1, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .max_register = 0xda00, }; --- base-commit: 6465e260f48790807eef06b583b38ca9789b6072 change-id: 20230929-drm-lt9211-maple-f2b0807acd53 Best regards, -- Mark Brown <broonie@xxxxxxxxxx>