linux-kernel - [PATCH v1 0/2] Add HDMI audio on the Radxa ROCK 5B

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Message-ID: <20250117164815.67253-1-detlev.casanova@collabora.com>
Date: Fri, 17 Jan 2025 11:46:56 -0500
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.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>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Alexey Charkov <alchark@...il.com>,
	Jianfeng Liu <liujianfeng1994@...il.com>,
	Dragan Simic <dsimic@...jaro.org>,
	FUKAUMI Naoki <naoki@...xa.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Johan Jonker <jbx6244@...il.com>,
	Kever Yang <kever.yang@...k-chips.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Sugar Zhang <sugar.zhang@...k-chips.com>,
	Algea Cao <algea.cao@...k-chips.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org,
	kernel@...labora.com
Subject: [PATCH v1 0/2] Add HDMI audio on the Radxa ROCK 5B

To support HDMI audio on the rk3588 based devices, the generic HDMI
Codec framework is used in the dw-hdmi-qp DRM bridge driver.

The implementation is mainly based on the downstream driver, ported to the
generic HDMI Codec framework [1] recently merged in the DRM tree.
The parameters computation has been kept as is and the data stored in the
dw_hdmi_qp struct as been cleaned up.

The downstream kernel also implements a machine driver for HDMI audio but
it is doing exactly what the simple-audio-card driver does, so use that
instead in the ROCK 5B device tree.

Based on commit f1359f46f1f1 (tag: drm-misc-next-fixes-2025-01-16)

[1]: https://lore.kernel.org/all/20241224-drm-bridge-hdmi-connector-v10-0-dc89577cd438@linaro.org/

Detlev Casanova (1):
  arm64: dts: rockchip: Add HDMI0 audio output on rock-5b

Sugar Zhang (1):
  drm/bridge: synopsys: Add audio support for dw-hdmi-qp

 arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   1 +
 .../boot/dts/rockchip/rk3588-rock-5b.dts      |  19 +
 drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c  | 472 ++++++++++++++++++
 3 files changed, 492 insertions(+)

-- 
2.48.1