linux-kernel - Re: [PATCH v2 0/3] Add Mali GPU support for Mediatek MT8365 SoC

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Message-ID: <0e5ca992-730d-42c5-b5b8-5ad04116b8d4@collabora.com>
Date: Tue, 21 Oct 2025 10:03:52 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.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>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>
Cc: kernel@...labora.com, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v2 0/3] Add Mali GPU support for Mediatek MT8365 SoC

Il 21/10/25 09:30, Louis-Alexis Eyraud ha scritto:
> This patchset adds the support of the ARM Mali G52 MC1 GPU (Bifrost),
> integrated to the Mediatek MT8365 SoC, and its enablement to the
> Mediatek Genio 350-EVK board.
> 
> I've tested this patchset on a Mediatek Genio 350-EVK board,
> with a kernel based on linux-next (tag: next-20251021).
> 

Thanks for this one! This series is ready to be merged.

However, in order to take the DT patches I need someone to pick the binding first.

Cheers,
Angelo

> The panfrost driver probed with the following messages:
> ```
> panfrost 13040000.gpu: clock rate = 450000031
> panfrost 13040000.gpu: mali-g52 id 0x7402 major 0x1 minor 0x0 status
>    0x0
> panfrost 13040000.gpu: features: 00000000,00000df7, issues: 00000000,
>    00000400
> panfrost 13040000.gpu: Features: L2:0x07110206 Shader:0x00000003
>   Tiler:0x00000209 Mem:0x1 MMU:0x00002823 AS:0xff JS:0x7
> panfrost 13040000.gpu: shader_present=0x1 l2_present=0x1
> [drm] Initialized panfrost 1.5.0 for 13040000.gpu on minor 0
> ```
> 
> Running glmark2-es2-drm with MESA 25.2 is also OK:
> ```
> =======================================================
>      glmark2 2023.01
> =======================================================
>      OpenGL Information
>      GL_VENDOR:      Mesa
>      GL_RENDERER:    Mali-G52 r1 (Panfrost)
>      GL_VERSION:     OpenGL ES 3.1 Mesa 25.2.5-1
>      Surface Config: buf=32 r=8 g=8 b=8 a=8 depth=24 stencil=0 samples=0
>      Surface Size:   1200x1920 fullscreen
> =======================================================
> [build] use-vbo=false: FPS: 513 FrameTime: 1.952 ms
> [build] use-vbo=true: FPS: 514 FrameTime: 1.947 ms
> [texture] texture-filter=nearest: FPS: 489 FrameTime: 2.046 ms
> [texture] texture-filter=linear: FPS: 486 FrameTime: 2.061 ms
> [texture] texture-filter=mipmap: FPS: 476 FrameTime: 2.101 ms
> [shading] shading=gouraud: FPS: 436 FrameTime: 2.296 ms
> [shading] shading=blinn-phong-inf: FPS: 387 FrameTime: 2.585 ms
> [shading] shading=phong: FPS: 253 FrameTime: 3.955 ms
> [shading] shading=cel: FPS: 232 FrameTime: 4.328 ms
> [bump] bump-render=high-poly: FPS: 266 FrameTime: 3.765 ms
> [bump] bump-render=normals: FPS: 421 FrameTime: 2.376 ms
> [bump] bump-render=height: FPS: 343 FrameTime: 2.922 ms
> [effect2d] kernel=0,1,0;1,-4,1;0,1,0;: FPS: 133 FrameTime: 7.521 ms
> [effect2d] kernel=1,1,1,1,1;1,1,1,1,1;1,1,1,1,1;: FPS: 46 FrameTime:
>    21.990 ms
> [pulsar] light=false:quads=5:texture=false: FPS: 379 FrameTime: 2.645 ms
> [desktop] blur-radius=5:effect=blur:passes=1:separable=true:windows=4:
>    FPS: 57 FrameTime: 17.735 ms
> [desktop] effect=shadow:windows=4: FPS: 249 FrameTime: 4.018 ms
> [buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction
>    =0.5:update-method=map: FPS: 81 FrameTime: 12.447 ms
> [buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction
>    =0.5:update-method=subdata: FPS: 81 FrameTime: 12.388 ms
> [buffer] columns=200:interleave=true:update-dispersion=0.9:update-fraction
>    =0.5:update-method=map: FPS: 99 FrameTime: 10.127 ms
> [ideas] speed=duration: FPS: 287 FrameTime: 3.492 ms
> [jellyfish] <default>: FPS: 114 FrameTime: 8.842 ms
> [terrain] <default>: FPS: 14 FrameTime: 76.911 ms
> [shadow] <default>: FPS: 156 FrameTime: 6.432 ms
> [refract] <default>: FPS: 29 FrameTime: 34.791 ms
> [conditionals] fragment-steps=0:vertex-steps=0: FPS: 529 FrameTime: 1.890 ms
> [conditionals] fragment-steps=5:vertex-steps=0: FPS: 326 FrameTime: 3.076 ms
> [conditionals] fragment-steps=0:vertex-steps=5: FPS: 532 FrameTime: 1.880 ms
> [function] fragment-complexity=low:fragment-steps=5: FPS: 475 FrameTime:
>    2.106 ms
> [function] fragment-complexity=medium:fragment-steps=5: FPS: 227
>    FrameTime: 4.417 ms
> [loop] fragment-loop=false:fragment-steps=5:vertex-steps=5: FPS: 475
>    FrameTime: 2.108 ms
> [loop] fragment-steps=5:fragment-uniform=false:vertex-steps=5: FPS: 474
>    FrameTime: 2.110 ms
> [loop] fragment-steps=5:fragment-uniform=true:vertex-steps=5: FPS: 226
>    FrameTime: 4.428 ms
> =======================================================
>                                    glmark2 Score: 296
> =======================================================
> ```
> 
> Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
> ---
> Changes in v2:
> - Rebased on next-20251021 tag
> - Fixed missing blank lines in 'arm64: dts: mediatek: mt8365: Add GPU
>    support' patch
> - Added reviewed-by and acked-by trailers
> - Updated cover letter
> - Link to v1: https://lore.kernel.org/r/20250813-mt8365-enable-gpu-v1-0-46c44c6c1566@collabora.com
> 
> ---
> Louis-Alexis Eyraud (3):
>        dt-bindings: gpu: mali-bifrost: Add compatible for MT8365 SoC
>        arm64: dts: mediatek: mt8365: Add GPU support
>        arm64: dts: mediatek: mt8365-evk: Enable GPU support
> 
>   .../devicetree/bindings/gpu/arm,mali-bifrost.yaml  |  1 +
>   arch/arm64/boot/dts/mediatek/mt8365-evk.dts        |  9 +++++
>   arch/arm64/boot/dts/mediatek/mt8365.dtsi           | 43 +++++++++++++++++++++-
>   3 files changed, 52 insertions(+), 1 deletion(-)
> ---
> base-commit: 853c202e4aec8006c2c1367b052c9f8949db019a
> change-id: 20250812-mt8365-enable-gpu-a39835dca7fc
> 
> Best regards,