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From: Shawn Guo <shawnguo@kernel.org>
To: Tim Harvey <tharvey@gateworks.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] arm64: dts: imx8mm-venice-gw7901.dts: disable pgc_gpumix
Date: Fri, 15 Oct 2021 10:43:12 +0800	[thread overview]
Message-ID: <20211015024312.GF10197@dragon> (raw)
In-Reply-To: <20211006153836.13760-1-tharvey@gateworks.com>

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@gateworks.com>

Applied, thanks!

WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Tim Harvey <tharvey@gateworks.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] arm64: dts: imx8mm-venice-gw7901.dts: disable pgc_gpumix
Date: Fri, 15 Oct 2021 10:43:12 +0800	[thread overview]
Message-ID: <20211015024312.GF10197@dragon> (raw)
In-Reply-To: <20211006153836.13760-1-tharvey@gateworks.com>

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@gateworks.com>

Applied, thanks!

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  parent reply	other threads:[~2021-10-15  2:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-06 15:38 [PATCH v2] arm64: dts: imx8mm-venice-gw7901.dts: disable pgc_gpumix Tim Harvey
2021-10-06 15:38 ` Tim Harvey
2021-10-06 16:26 ` Lucas Stach
2021-10-06 16:26   ` Lucas Stach
2021-10-15  2:43 ` Shawn Guo [this message]
2021-10-15  2:43   ` Shawn Guo

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