linux-kernel - Re: [PATCH v5 3/8] dt-bindings: display/msm: gpu: Document A612 GPU

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Message-ID: <20251227-statuesque-rational-wolverine-7edacc@quoll>
Date: Sat, 27 Dec 2025 11:45:25 +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>, 
	Gaurav Kohli <gaurav.kohli@....qualcomm.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 v5 3/8] dt-bindings: display/msm: gpu: Document A612 GPU

On Fri, Dec 26, 2025 at 11:59:36PM +0530, Akhil P Oommen wrote:
> A612 GPU has a new IP called RGMU (Reduced Graphics Management Unit)
> which replaces GMU. But it doesn't do clock or voltage scaling. So we
> need the gpu core clock in the GPU node along with the power domain to
> do clock and voltage scaling from the kernel. Update the bindings to
> describe this GPU.
> 
> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
> ---
>  .../devicetree/bindings/display/msm/gpu.yaml       | 33 ++++++++++++++++++++--
>  1 file changed, 31 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>

Best regards,
Krzysztof