linux-kernel - [PATCH v4 0/2] Add driver for Raydium RM69380-based DSI panels

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Message-Id: <20240417-raydium-rm69380-driver-v4-0-e9c2337d0049@mainlining.org>
Date: Wed, 17 Apr 2024 18:29:32 +0200
From: David Wronek <david@...nlining.org>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
 Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 phone-devel@...r.kernel.org, David Wronek <david@...nlining.org>
Subject: [PATCH v4 0/2] Add driver for Raydium RM69380-based DSI panels

This patch adds support the 2560x1600@...z dual DSI command mode panel by
EDO in combination with a Raydium RM69380 driver IC.

This driver IC can be found in the following devices:
 * Lenovo Xiaoxin Pad Pro 2021 (TB-J716F) with EDO panel
 * Lenovo Tab P11 Pro (TB-J706F) with EDO panel
 * Robo & Kala 2-in-1 Laptop with Sharp panel

Signed-off-by: David Wronek <david@...nlining.org>
---
Changes in v4:
- Fix up Kconfig
- Switch to devm_mipi_dsi_attach to benefit from automatic detaching
- Initialize panel at a lower brightness
- Dropped debug logs
- Signify second DSI interface in mipi_dsi_device_info as "RM69380 DSI1"
- Changed 'addtionalProperties' to 'unevaluatedProperties' in dt-binding
- Dropped 'ports' in dt-binding
- Link to v3: https://lore.kernel.org/r/20240416-raydium-rm69380-driver-v3-0-21600ac4ce5f@mainlining.org

Changes in v3:
- Removed unneeded curly brackets from some if statments
- Fix error handling code in probe function
- Include video/mipi_display.h and make use of MIPI command definitions
- Removed DRM_MODE_TYPE_PREFERRED
- Dropped 'prepared' bool entirely
- Register second DSI host using mipi_dsi_device_register_full()
- Link to v2: https://lore.kernel.org/r/20240415-raydium-rm69380-driver-v2-0-524216461306@mainlining.org

Changes in v2:
- Fixed typo in Kconfig
- Removed ctx->prepared = true; in prepare function
- Switched to drm_connector_helper_get_modes_fixed in get_modes function
- Changed dev_notice() to dev_dbg()
- Add description for compatible and reset-gpio in the dt-binding
- Always require 'ports' node in the dt-binding regardless of compatible
- Link to v1: https://lore.kernel.org/r/20240414-raydium-rm69380-driver-v1-0-5e86ba2490b5@mainlining.org

---
David Wronek (2):
      dt-bindings: display: panel: Add Raydium RM69380
      drm/panel: Add driver for EDO RM69380 OLED panel

 .../bindings/display/panel/raydium,rm69380.yaml    |  89 ++++++
 drivers/gpu/drm/panel/Kconfig                      |  12 +
 drivers/gpu/drm/panel/Makefile                     |   1 +
 drivers/gpu/drm/panel/panel-raydium-rm69380.c      | 344 +++++++++++++++++++++
 4 files changed, 446 insertions(+)
---
base-commit: 4eab358930711bbeb85bf5ee267d0d42d3394c2c
change-id: 20240414-raydium-rm69380-driver-47f22b6f24fe

Best regards,
-- 
David Wronek <david@...nlining.org>