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Date:   Fri, 15 Oct 2021 10:43:12 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: imx8mm-venice-gw7901.dts: disable
 pgc_gpumix

On Wed, Oct 06, 2021 at 08:38:36AM -0700, Tim Harvey wrote:
> Since commit b21269b12e48 ("arm64: dts: imx8mm: add GPC node") the
> GW7901 will hang during kernel init because it does not power the unused
> GPU voltage rails on the IMX8MM. Disable pgc_gpumix to work around this.
> 
> We also disable the GPU devices that depend on the gpumix power domain
> and pgc_gpu to avoid them staying in a probe deferred state forever.
> 
> Additionally as the MIPI voltage rail is also not connected on this
> board we disable pgc_mipi and disp_blk_ctrl.
> 
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>

Applied, thanks!

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