Re: [PATCH] drm/bridge: lt9211: Convert to use maple tree register cache

From: Neil Armstrong
Date: Mon Oct 02 2023 - 03:02:47 EST


On 01/10/2023 12:24, 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.

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 = &lt9211_rw_table,
.ranges = &lt9211_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,

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>