linux-kernel - Re: [PATCH 1/8] media: dt-bindings: qcom-kaanapali-iris: Add kaanapali video codec binding

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Message-ID: <dyfkztpjrfcgi42vjriabogh362zzxp24eoolr5vkhno2zi2ny@t43qpjdv7nkl>
Date: Thu, 25 Sep 2025 22:20:17 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Vikash Garodia <vikash.garodia@....qualcomm.com>
Cc: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>, linux-arm-msm@...r.kernel.org,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Vishnu Reddy <quic_bvisredd@...cinc.com>
Subject: Re: [PATCH 1/8] media: dt-bindings: qcom-kaanapali-iris: Add
 kaanapali video codec binding

On Thu, Sep 25, 2025 at 01:27:29PM +0530, Vikash Garodia wrote:
> 
> On 9/25/2025 8:36 AM, Dmitry Baryshkov wrote:
> > On Thu, Sep 25, 2025 at 04:44:39AM +0530, Vikash Garodia wrote:
> >> Kaanapali SOC brings in the new generation of video IP i.e iris4. When
> >> compared to previous generation, iris3x, it has,
> >> - separate power domains for stream and pixel processing hardware blocks
> >>   (bse and vpp).
> >> - additional power domain for apv codec.
> >> - power domains for individual pipes (VPPx).
> >> - different clocks and reset lines.
> >>
> >> There are variants of this hardware, where only a single VPP pipe would
> >> be functional (VPP0), and APV may not be present. In such case, the
> >> hardware can be enabled without those 2 related power doamins, and
> >> corresponding clocks. This explains the min entries for power domains
> >> and clocks.
> >> Iommus include all the different stream-ids which can be possibly
> >> generated by vpu4 video hardware in both secure and non secure
> >> execution mode.
> >>
> >> This patch depends on following patches
> >> https://lore.kernel.org/all/20250924-knp-interconnect-v1-1-4c822a72141c@oss.qualcomm.com/
> >> https://lore.kernel.org/all/20250924-knp-clk-v1-3-29b02b818782@oss.qualcomm.com/
> > 
> > This doesn't belong to the commit message. But you also can drop this
> > dependency alltogether. Could you please do it?
> 
> Sure, i see below works good w.r.t schema and dtb checker. Please review and
> confirm.

Yes


-- 
With best wishes
Dmitry