linux-kernel - Re:Re: [PATCH 0/6] Add support for RK3588 DisplayPort Controller

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Message-ID: <74c154b6.8c50.1956aa8c8d2.Coremail.andyshrk@163.com>
Date: Thu, 6 Mar 2025 16:53:21 +0800 (CST)
From: "Andy Yan" <andyshrk@....com>
To: "Piotr Oniszczuk" <piotr.oniszczuk@...il.com>
Cc: heiko@...ech.de, neil.armstrong@...aro.org,
	sebastian.reichel@...labora.com, devicetree@...r.kernel.org,
	hjc@...k-chips.com, mripard@...nel.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, yubing.zhang@...k-chips.com,
	dri-devel@...ts.freedesktop.org,
	"Andy Yan" <andy.yan@...k-chips.com>, krzk+dt@...nel.org,
	robh@...nel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re:Re: [PATCH 0/6] Add support for RK3588 DisplayPort Controller


Hi,

在 2025-03-06 16:42:00，"Piotr Oniszczuk" <piotr.oniszczuk@...il.com> 写道：
>
>
>> Wiadomość napisana przez Andy Yan <andyshrk@....com> w dniu 6 mar 2025, o godz. 01:59:
>> 
>> 
>> 
>> 
>> Both of the two config options should be enabled.
>> andy@...480:~/WorkSpace/linux-next$ rg DW_DP .config
>> 4044:CONFIG_ROCKCHIP_DW_DP=y
>
>here i’m a bit lost….
>greping on full kernel sources (with applied https://patchwork.kernel.org/project/linux-rockchip/list/?series=936784) gives me no single appearance of ROCKCHIP_DW_DP…
>Do i miss something?

see PATCH 3/6:   


diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index 26c4410b2407..c8638baf9641 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -8,6 +8,7 @@ config DRM_ROCKCHIP
 	select DRM_PANEL
 	select VIDEOMODE_HELPERS
 	select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP
+	select DRM_DW_DP if ROCKCHIP_DW_DP
 	select DRM_DW_HDMI if ROCKCHIP_DW_HDMI
 	select DRM_DW_HDMI_QP if ROCKCHIP_DW_HDMI_QP
 	select DRM_DW_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI
@@ -58,6 +59,12 @@ config ROCKCHIP_CDN_DP
 	  RK3399 based SoC, you should select this
 	  option.
 
+config ROCKCHIP_DW_DP
+	bool "Rockchip specific extensions for Synopsys DW DP"
+	help
+	  Choose this option for Synopsys DesignWare Cores DisplayPort
+	  transmit controller support on Rockchip SoC.

 https://lore.kernel.org/linux-rockchip/047EECFC-7E55-44EC-896F-13FE04333E4D@gmail.com/T/#m178a325ea0ebc64187aae474d77c3f7a9e0bc93d
>