linux-kernel - [PATCH v6 0/4] (subset) Add OnePlus 6T display (Samsung S6E3FC2X01 DDIC with AMS641RW panel)

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Message-Id: <20251103-s6e3fc2x01-v6-0-d4eb4abaefa4@ixit.cz>
Date: Mon, 03 Nov 2025 12:45:49 +0100
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 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, David Heidelberg <david@...t.cz>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: [PATCH v6 0/4] (subset) Add OnePlus 6T display (Samsung S6E3FC2X01
 DDIC with AMS641RW panel)

This patchset enables the display on the OnePlus 6T smartphone.

(subset) Patches document the panel, pinctrls, and GPIOs.

Since the display node is shared between the OnePlus 6 and 6T,
the following warning appears:

..sdm845-oneplus-enchilada.dtb: panel@0 (samsung,sofef00): 'poc-supply', 'te-gpios', 'vci-supply' do not match any of the regexes: '^pinctrl-[0-9]+$'

This will be addressed in a follow-up patch, as the SOFEF00 DDIC also
requires additional overhaul to properly initialize and function in mainline.

Signed-off-by: David Heidelberg <david@...t.cz>
---
Changes in v6:
- Rebase on top of next-20251103 and resolve conflicts due to another
  OnePlus 6 fix being merged.
- Link to v5: https://lore.kernel.org/r/20251023-s6e3fc2x01-v5-0-8f8852e67417@ixit.cz

Changes in v5:
- Squashed removal of compatible from simple DSI panel with introduction
  of the panel definition. (Konrad)
- Link to v4: https://lore.kernel.org/r/20251021-s6e3fc2x01-v4-0-5e3ee21c688a@ixit.cz

Changes in v4:
- Use refcounted allocation in place of devm_kzalloc()
- Added include drm_probe_helper (Raihan)
- Corrected te-gpio value from 30 to 10.
- Removed legacy compatible samsung,s6e3fc2x01 from the driver (Dmitry)
- Removed old compatible also from panel-simple-dsi enum.
- Link to v3: https://lore.kernel.org/r/20251016-s6e3fc2x01-v3-0-ce0f3566b903@ixit.cz

Changes in v3:
- Use mipi_dsi_dcs_set_display_brightness_large (Konrad)
- added legacy compatible samsung,s6e3fc2x01 into the driver (Dmitry)
- extended compatible string to
  "samsung,s6e3fc2x01-ams641rw", "samsung,s6e3fc2x01" (Dmitry)
- Brought back
  "dt-bindings: display: panel-simple-dsi: Remove Samsung S6E3FC2 compatible"
- Link to v2: https://lore.kernel.org/r/20251008-s6e3fc2x01-v2-0-21eca1d5c289@ixit.cz

Changes in v2:
- Dropped the gpio reset polarity change as suggested (Jens and Dmitry).
- Fixed unused warnings (kernel test robot).
- Added a pinctrl config for the VCI and POC supply.
- Removed patch "dt-bindings: display: panel-simple-dsi: Remove Samsung S6E3FC2 compatible"
  while the compatible is used in device-tree, but without any driver
  serving it, do not touch it (Rob)
- Added more details into the device-tree about the OnePlus 6T panel properties
- Put display gpio -pins into one -state block.
- Link to v1: https://lore.kernel.org/r/20250925-s6e3fc2x01-v1-0-9293016768f7@ixit.cz

---
Casey Connolly (1):
      arm64: dts: qcom: sdm845-oneplus: Update compatbible and add DDIC supplies

David Heidelberg (3):
      arm64: dts: qcom: sdm845-oneplus: Group panel pinctrl
      arm64: dts: qcom: sdm845-oneplus: Implement panel sleep pinctrl
      arm64: dts: qcom: sdm845-oneplus: Describe TE gpio

 .../arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 113 +++++++++++++++++----
 arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dts |   2 +-
 2 files changed, 93 insertions(+), 22 deletions(-)
---
base-commit: 9823120909776bbca58a3c55ef1f27d49283c1f3
change-id: 20250923-s6e3fc2x01-f9550b822fe5

Best regards,
-- 
David Heidelberg <david@...t.cz>