linux-kernel - [PATCH 0/3] Add Mali-G31 GPU to Amlogic Meson-S4

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Message-ID: <20260110200426.1461575-1-martin.blumenstingl@googlemail.com>
Date: Sat, 10 Jan 2026 21:04:23 +0100
From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To: linux-amlogic@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	adrian.larumbe@...labora.com,
	steven.price@....com,
	boris.brezillon@...labora.com,
	robh@...nel.org,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 0/3] Add Mali-G31 GPU to Amlogic Meson-S4

This series add support for the Mali-G31 GPU on Amlogic Meson-S4 SoCs.
Overall it's similar to Mali-G31 on G12A:
- both are using two reset lines
- both share the same OPP table
- both require the same power override quirk

The main difference is that Meson-S4 gained a second (bus) clock.

This series updates the bifrost dt-bindings for the GPU on the Meson-S4
SoC, wires up the quirk in the panfrost driver and shows how to wire up
the GPU in meson-s4.dtsi.

The .dtsi patch needs to go through the linux-amlogic tree. Would the
dt-bindings patch go along with it (to prevent binding validation
errors)? If so then only the panfrost patch would go through the
panfrost (drm/misc) tree.


Best regards,
Martin


Martin Blumenstingl (3):
  dt-bindings: gpu: mali-bifrost: Add compatible for Amlogic Meson S4
  drm/panfrost: Add Amlogic Meson S4 integration quirk
  arm64: dts: amlogic: S4: Add the Mali-G31 GPU

 .../bindings/gpu/arm,mali-bifrost.yaml        | 20 ++++++++
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi     | 49 +++++++++++++++++++
 drivers/gpu/drm/panfrost/panfrost_drv.c       |  2 +
 3 files changed, 71 insertions(+)

-- 
2.52.0