linux-kernel - Re: [PATCH v3 00/12] Make Samsung SOFEF00 DDIC and panel work

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Message-ID: <0dbb931f-5b62-4f37-a314-3c9696b5149e@linaro.org>
Date: Wed, 19 Nov 2025 15:55:19 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: david@...t.cz, Jessica Zhang <jessica.zhang@....qualcomm.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Thierry Reding
 <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>,
 Casey Connolly <casey.connolly@...aro.org>,
 Jessica Zhang <jesszhan0024@...il.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 phone-devel@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>
Subject: Re: [PATCH v3 00/12] Make Samsung SOFEF00 DDIC and panel work

On 11/19/25 15:21, David Heidelberg via B4 Relay wrote:
> This DDIC is essential for panels used in OnePlus 6 and Pixel 3a XL
> (SDC variant). With proper support, all downstream patches in
> sdm845-mainline and sdm670-mainline can be dropped.
> 
> The mainline driver was broken so far, and with my recent introduction
> of S6E3FC2X01 driver, I had to "break it even more" due to OnePlus 6
> common device-tree changes which defined all the regulators and
> corrected properties.
> 
> At this moment the first version of the patchset will not include
> Pixel 3a XL (SDC) as no testers yet volunteered.
> 
> The code, including the Pixel 3a XL enhancement can be found at
>    https://gitlab.com/sdm845/sdm845-next/-/commits/b4%252Fsofef00-rebuild
> 
> Signed-off-by: David Heidelberg <david@...t.cz>
> ---
> Changes in v3:
> - Drop arch prefix from the commit. (Bjorn)
> - Added Casey into MAINTAINERS file. (Casey)
> - Moved compatible legacy comment inline.
> - Link to v2: https://lore.kernel.org/r/20251113-sofef00-rebuild-v2-0-e175053061ec@ixit.cz
> 
> Changes in v2:
> - General fixes to device-tree binding (Krzysztof)
> - Add myself as a maintainer
> - Updated commits wording
> - Link to v1: https://lore.kernel.org/r/20251104-sofef00-rebuild-v1-0-dfcfa17eb176@ixit.cz
> 
> ---
> Casey Connolly (2):
>        drm/panel: sofef00: Add prepare_prev_first flag to drm_panel
>        drm/panel: sofef00: Initialise at 50% brightness
> 
> David Heidelberg (10):
>        dt-bindings: panel: Convert Samsung SOFEF00 DDIC into standalone yaml
>        arm64: qcom: sdm845-enchilada: Specify panel name within the compatible
>        drm/panel: sofef00: Clean up panel description after s6e3fc2x01 removal
>        drm/panel: sofef00: Handle all regulators
>        drm/panel: sofef00: Split sending commands to the enable/disable functions
>        drm/panel: sofef00: Introduce page macro
>        drm/panel: sofef00: Introduce compatible which includes the panel name
>        drm/panel: sofef00: Simplify get_modes
>        drm/panel: sofef00: Mark the LPM mode always-on
>        drm/panel: sofef00: Non-continuous mode and video burst are supported
> 
>   .../bindings/display/panel/panel-simple-dsi.yaml   |  25 +----
>   .../bindings/display/panel/samsung,sofef00.yaml    |  79 ++++++++++++++++
>   MAINTAINERS                                        |   7 ++
>   .../boot/dts/qcom/sdm845-oneplus-enchilada.dts     |   4 +-
>   drivers/gpu/drm/panel/Kconfig                      |   7 +-
>   drivers/gpu/drm/panel/panel-samsung-sofef00.c      | 105 +++++++++++++--------
>   6 files changed, 163 insertions(+), 64 deletions(-)
> ---
> base-commit: fe4d0dea039f2befb93f27569593ec209843b0f5
> change-id: 20251104-sofef00-rebuild-04cfc6e68e71
> 
> Best regards,

For the serie:
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

Thanks,
Neil