linux-kernel - [PATCH v3 0/5] Support bridge/connector by Tegra HDMI

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Date:   Mon,  7 Aug 2023 17:35:10 +0300
From:   Svyatoslav Ryhel <clamor95@...il.com>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Svyatoslav Ryhel <clamor95@...il.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/5] Support bridge/connector by Tegra HDMI

This patch adds support for the bridge/connector attached to the
HDMI output, allowing to model the hardware properly. It keeps
backwards compatibility with existing bindings and is required
by devices which have a simple or MHL bridge connected to HDMI
output like ASUS P1801-T or LG P880/P895 or HTC One X.

Tested on ASUS Transformers which have no dedicated bridge but
have type d HDMI connector directly available. Tests went smoothly.

---
Changes from v2:
- added missing descriptions to tegra dc and hdmi yamls
- fixed "Warning (unit_address_vs_reg): /host1x@...00000/
  dc@...00000/rgb/port@0: node has a unit name, but no reg or
  ranges property"
- dropped reg from port to avoid same warning with hdmi ports

Changes from v1:
- no changes, re-sending
---

Maxim Schwalm (4):
  ARM: dts: tegra: Drop unit-address from parallel RGB output port
  dt-bindings: display: tegra: nvidia,tegra20-dc: Add parallel RGB
    output port node
  dt-bindings: display: tegra: nvidia,tegra20-hdmi: Add HDMI output port
    node
  drm/tegra: output: hdmi: Support bridge/connector

Svyatoslav Ryhel (1):
  ARM: tegra: transformers: add connector node

 .../display/tegra/nvidia,tegra20-dc.yaml      | 31 +++++++++++++
 .../display/tegra/nvidia,tegra20-hdmi.yaml    | 32 +++++++++++++-
 .../dts/nvidia/tegra20-acer-a500-picasso.dts  |  2 +-
 .../boot/dts/nvidia/tegra20-asus-tf101.dts    | 24 ++++++++--
 .../dts/nvidia/tegra30-asus-lvds-display.dtsi |  2 +-
 .../boot/dts/nvidia/tegra30-asus-tf700t.dts   |  2 +-
 .../tegra30-asus-transformer-common.dtsi      | 21 ++++++++-
 drivers/gpu/drm/tegra/hdmi.c                  | 44 ++++++++++++++-----
 8 files changed, 136 insertions(+), 22 deletions(-)

-- 
2.39.2