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Message-ID: <abcbdabd-ec3b-4d14-8774-c290866ad86a@linaro.org>
Date: Mon, 2 Oct 2023 09:02:21 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Mark Brown <broonie@...nel.org>,
Jagan Teki <jagan@...rulasolutions.com>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/bridge: icn6211: Convert to use maple tree register
cache
On 01/10/2023 01:46, 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@...nel.org>
> ---
> drivers/gpu/drm/bridge/chipone-icn6211.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c
> index d205e755e524..82d23e4df09e 100644
> --- a/drivers/gpu/drm/bridge/chipone-icn6211.c
> +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c
> @@ -197,7 +197,7 @@ static const struct regmap_config chipone_regmap_config = {
> .val_bits = 8,
> .rd_table = &chipone_dsi_readable_table,
> .wr_table = &chipone_dsi_writeable_table,
> - .cache_type = REGCACHE_RBTREE,
> + .cache_type = REGCACHE_MAPLE,
> .max_register = MIPI_ATE_STATUS(1),
> };
>
>
> ---
> base-commit: 6465e260f48790807eef06b583b38ca9789b6072
> change-id: 20230929-drm-chipone-maple-1d5e37ce5ed0
>
> Best regards,
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
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