linux-kernel - Re: [PATCH v3 3/6] dt-bindings: display/msm/rgmu: Document A612 RGMU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251122-clever-ambitious-mastodon-8b1a1e@kuoka>
Date: Sat, 22 Nov 2025 12:03:13 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Akhil P Oommen <akhilpo@....qualcomm.com>
Cc: Rob Clark <robin.clark@....qualcomm.com>, Sean Paul <sean@...rly.run>, 
	Konrad Dybcio <konradybcio@...nel.org>, Dmitry Baryshkov <lumag@...nel.org>, 
	Abhinav Kumar <abhinav.kumar@...ux.dev>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...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>, 
	Bjorn Andersson <andersson@...nel.org>, Jessica Zhang <jesszhan0024@...il.com>, 
	Dan Carpenter <dan.carpenter@...aro.org>, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	Jie Zhang <jie.zhang@....qualcomm.com>
Subject: Re: [PATCH v3 3/6] dt-bindings: display/msm/rgmu: Document A612 RGMU

On Sat, Nov 22, 2025 at 03:22:17AM +0530, Akhil P Oommen wrote:
> From: Jie Zhang <jie.zhang@....qualcomm.com>
> 
> RGMU a.k.a Reduced Graphics Management Unit is a small state machine
> with the sole purpose of providing IFPC (Inter Frame Power Collapse)
> support. Compared to GMU, it doesn't manage GPU clock, voltage
> scaling, bw voting or any other functionalities. All it does is detect
> an idle GPU and toggle the GDSC switch. As it doesn't access DDR space,
> it doesn't require iommu.
> 
> So far, only Adreno 612 GPU has an RGMU core. Document it in
> qcom,adreno-rgmu.yaml.
> 
> Signed-off-by: Jie Zhang <jie.zhang@....qualcomm.com>
> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
> ---
>  .../bindings/display/msm/qcom,adreno-rgmu.yaml     | 126 +++++++++++++++++++++
>  MAINTAINERS                                        |   1 +
>  2 files changed, 127 insertions(+)

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof