linux-kernel - Re: [PATCH v3 0/6] drm/sun4i: Support LVDS on D1s/T113 combo D-PHY

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Message-ID: <cc1562aa-97de-409f-b50f-0d6a22c6946c@szczodrzynski.pl>
Date: Sun, 16 Nov 2025 17:48:47 +0100
From: Kuba Szczodrzyński <kuba@...zodrzynski.pl>
To: wens@...nel.org
Cc: Maxime Ripard <mripard@...nel.org>, Samuel Holland <samuel@...lland.org>,
 Jernej Skrabec <jernej.skrabec@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, linux-arm-kernel@...ts.infradead.org,
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-riscv@...ts.infradead.org, linux-phy@...ts.infradead.org,
 devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 parthiban@...umiz.com, paulk@...-base.io
Subject: Re: [PATCH v3 0/6] drm/sun4i: Support LVDS on D1s/T113 combo D-PHY

W dniu 2025-11-16 o 15:37:15, Chen-Yu Tsai pisze:

> On Sun, Nov 16, 2025 at 10:31 PM Kuba Szczodrzyński
> <kuba@...zodrzynski.pl> wrote:
>> W dniu 2025-11-16 o 15:03:18, Chen-Yu Tsai pisze:
>>
>>> On Sun, Nov 16, 2025 at 9:46 PM Kuba Szczodrzyński
>>> <kuba@...zodrzynski.pl> wrote:
>>>> [replying to v1 to keep the same series on Patchwork]
>>> That is not the right way to do it.
>>>
>>> If you reply to an old series, the tooling does not pickup the new version
>>> as a separate series.
>>>
>>> ChenYu
>> Hi,
>>
>> I noticed that it indeed didn't work. However, Patchwork didn't pick up the v2 cover letter at all, so I thought replying to v2 would mess up the thread even more.
>>
>> That being said, the v3 cover letter is not visible there either.
>>
>> Should I resend this as v4 [which message to reply to?] or send a completely new series perhaps?
> Each new version should be a completely new series.
>
> If patchwork still didn't pick it up, then it's possible either your
> patches didn't reach the mailing lists or the patchwork instances.
> Please check lore to see if your patches are there.

The patches are on lore, but patchwork didn't pick them up because some were sent with the wrong In-Reply-To header, and that created threading issues.

Assuming I understood your reply correctly, I'll send the entire series as v4 *without* the In-Reply-To header, which will create a new series on patchwork.

Regards
Kuba

>
> ChenYu
>
>> I apologize for the confusion, this is my first time doing that.
>>
>> Regards
>> Kuba
>>
>>>> Some Allwinner chips (notably the D1s/T113 and the A100) have a "combo
>>>> MIPI DSI D-PHY" which is required when using single-link LVDS0. The same
>>>> PD0..PD9 pins are used for either DSI or LVDS.
>>>>
>>>> Other than having to use the combo D-PHY, LVDS output is configured in
>>>> the same way as on older chips.
>>>>
>>>> This series enables the sun6i MIPI D-PHY to also work in LVDS mode. It
>>>> is then configured by the LCD TCON, which allows connecting a
>>>> single-link LVDS display panel.
>>>>
>>>> Changes in v2/v3:
>>>> - Applied code formatting changes from review comments
>>>> - Changed "dphy" to "combo-phy"
>>>> - Made the LVDS setup/teardown functions abort early in case of error
>>>>     (adding a proper return value would require changes in several levels
>>>>      of caller functions; perhaps could be done in a separate patch)
>>>> - Added the PHY properties to DT bindings
>>>> - Renamed lvds0_pins to lcd_lvds0_pins
>>>> - Rebased on top of drm/misc/kernel/for-linux-next
>>>> - Hopefully corrected the incomplete patch list of v2, which happened
>>>>     due to an SMTP error
>>>>
>>>> Kuba Szczodrzyński (6):
>>>>     phy: allwinner: phy-sun6i-mipi-dphy: Support LVDS in combo D-PHY
>>>>     drm/sun4i: Support LVDS using MIPI DSI combo D-PHY
>>>>     drm/sun4i: Enable LVDS output on sun20i D1s/T113
>>>>     dt-bindings: display: sun4i: Add D1s/T113 combo D-PHY bindings
>>>>     riscv: dts: allwinner: d1s-t113: Add D-PHY to TCON LCD0
>>>>     riscv: dts: allwinner: d1s-t113: Add LVDS0 pins
>>>>
>>>>    .../display/allwinner,sun4i-a10-tcon.yaml     |  6 ++
>>>>    .../boot/dts/allwinner/sunxi-d1s-t113.dtsi    | 11 +++
>>>>    drivers/gpu/drm/sun4i/sun4i_tcon.c            | 50 +++++++++++++
>>>>    drivers/gpu/drm/sun4i/sun4i_tcon.h            |  6 ++
>>>>    drivers/phy/allwinner/phy-sun6i-mipi-dphy.c   | 70 ++++++++++++++++++-
>>>>    5 files changed, 141 insertions(+), 2 deletions(-)
>>>>
>>>> --
>>>> 2.25.1
>>>>