From: Krzysztof Kozlowski <krzk@kernel.org>
To: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Krishna Manikandan <quic_mkrishn@quicinc.com>,
Abel Vesa <abelvesa@kernel.org>,
Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Joonhoe Kim <26rote@gmail.com>
Subject: Re: [PATCH v5 2/3] drm/msm/dpu: Attach CORE and INT2 power domains on Kaanapali
Date: Mon, 9 Nov 2026 13:26:16 +0100 [thread overview]
Message-ID: <20261109-industrious-impetuous-slug-a8e4ce@quoll> (raw)
In-Reply-To: <20261109-msm_gdsc2-v5-2-4a3159b5e4b8@oss.qualcomm.com>
On Mon, Nov 09, 2026 at 04:36:36PM +0800, Yongxing Mou wrote:
> Kaanapali's DPU is supplied by both CORE and INT2 GDSCs. The
> power-domain core only auto-attaches a single domain; with multiple
> domains the device is left unattached, so both domains must be attached
> explicitly.
>
> The DPU OPP table also needs to continue controlling the MMCX
> performance state. Mark CORE as the required OPP domain so its vote is
> propagated through the genpd hierarchy to MMCX. INT2 has no OPP of its
> own and is attached as a regular runtime-PM supplier.
>
> Platforms with a single power domain remain unaffected and continue to
> use the existing automatic attachment.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Tested-by: Joonhoe Kim <26rote@gmail.com>
Where? No tests were at v3 and v4.
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-11-09 12:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-09 8:36 [PATCH v5 0/3] drm/msm/dpu: Add INT2 GDSC power domain support for Kaanapali Yongxing Mou
2026-11-09 8:36 ` [PATCH v5 1/3] dt-bindings: display: msm: Add INT2 GDSC to Kaanapali DPU Yongxing Mou
2026-11-09 12:25 ` Krzysztof Kozlowski
2026-11-09 8:36 ` [PATCH v5 2/3] drm/msm/dpu: Attach CORE and INT2 power domains on Kaanapali Yongxing Mou
2026-11-09 12:26 ` Krzysztof Kozlowski [this message]
2026-11-09 8:36 ` [PATCH v5 3/3] arm64: dts: qcom: Add INT2 GDSC to Kaanapali DPU Yongxing Mou
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20261109-industrious-impetuous-slug-a8e4ce@quoll \
--to=krzk@kernel.org \
--cc=26rote@gmail.com \
--cc=abelvesa@kernel.org \
--cc=abhinav.kumar@linux.dev \
--cc=airlied@gmail.com \
--cc=andersson@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.baryshkov@oss.qualcomm.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=freedreno@lists.freedesktop.org \
--cc=jesszhan0024@gmail.com \
--cc=konradybcio@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lumag@kernel.org \
--cc=maarten.lankhorst@linux.intel.com \
--cc=marijn.suijten@somainline.org \
--cc=mripard@kernel.org \
--cc=quic_mkrishn@quicinc.com \
--cc=robh@kernel.org \
--cc=robin.clark@oss.qualcomm.com \
--cc=sean@poorly.run \
--cc=simona@ffwll.ch \
--cc=tzimmermann@suse.de \
--cc=yongxing.mou@oss.qualcomm.com \
--cc=yuanjie.yang@oss.qualcomm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®