linux-kernel - Re: [PATCH v4 09/17] drm/bridge: analogix_dp: Add support for phy configuration.

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Message-ID: <nqbcp4wwvzxh7qpvlobt3mw7clj22bmq72xsaw7sbzfj3dpyll@u5mq5ciijse2>
Date: Sun, 29 Dec 2024 06:48:26 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Damon Ding <damon.ding@...k-chips.com>
Cc: heiko@...ech.de, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, rfoss@...nel.org, vkoul@...nel.org, 
	sebastian.reichel@...labora.com, cristian.ciocaltea@...labora.com, l.stach@...gutronix.de, 
	andy.yan@...k-chips.com, hjc@...k-chips.com, algea.cao@...k-chips.com, 
	kever.yang@...k-chips.com, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-phy@...ts.infradead.org
Subject: Re: [PATCH v4 09/17] drm/bridge: analogix_dp: Add support for phy
 configuration.

On Thu, Dec 26, 2024 at 02:33:05PM +0800, Damon Ding wrote:
> Add support to configurate link rate, lane count, voltage swing and
> pre-emphasis with phy_configure(). It is helpful in application scenarios
> where analogix controller is mixed with the phy of other vendors.
> 
> Signed-off-by: Damon Ding <damon.ding@...k-chips.com>
> 
> ---
> 
> Changes in v2:
> - remove needless assignments for phy_configure()
> - remove unnecessary changes for phy_power_on()/phy_power_off()
> 
> Changes in v4:
> - remove unnecessary &phy_configure_opts_dp.lanes assignments in
>   analogix_dp_set_link_bandwidth()
> - remove needless &phy_configure_opts_dp.lanes and
>   &phy_configure_opts_dp.link_rate assignments in
>   analogix_dp_set_lane_link_training()
> ---
>  .../drm/bridge/analogix/analogix_dp_core.c    |  1 +
>  .../gpu/drm/bridge/analogix/analogix_dp_reg.c | 52 +++++++++++++++++++
>  2 files changed, 53 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry