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Message-Id: <DFO8MODWITUW.12PP5XZKPR7FL@kernel.org>
Date: Wed, 14 Jan 2026 11:25:11 +0100
From: "Michael Walle" <mwalle@...nel.org>
To: "Swamil Jain" <s-jain1@...com>, <jyri.sarha@....fi>,
<tomi.valkeinen@...asonboard.com>, <airlied@...il.com>, <simona@...ll.ch>,
<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
<tzimmermann@...e.de>, <robh@...nel.org>, <krzk+dt@...nel.org>,
<conor+dt@...nel.org>, <aradhya.bhatia@...ux.dev>
Cc: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devarsht@...com>, <praneeth@...com>,
<h-shenoy@...com>, <u-kumar1@...com>
Subject: Re: [PATCH v3 2/3] drm/tidss: Power up attached PM domains on probe
On Wed Jan 7, 2026 at 6:45 PM CET, Swamil Jain wrote:
> From: Devarsh Thakkar <devarsht@...com>
>
> Some SoC's such as AM62P have dedicated power domains
> for OLDI which need to be powered on separately along
> with display controller.
>
> So during driver probe, power up all attached PM domains
> enumerated in devicetree node for DSS.
>
> This also prepares base to add display support for AM62P.
>
> Signed-off-by: Devarsh Thakkar <devarsht@...com>
> [j-choudhary@...com: fix PM call sequence causing kernel crash in OLDI]
> Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
> Signed-off-by: Swamil Jain <s-jain1@...com>
Tested-by: Michael Walle <mwalle@...nel.org> # on am67a
-michael
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