From: Shawn Guo <shawnguo@kernel.org>
To: Marek Vasut <marex@denx.de>
Cc: linux-arm-kernel@lists.infradead.org,
Frieder Schrempf <frieder.schrempf@kontron.de>,
Lucas Stach <l.stach@pengutronix.de>,
NXP Linux Team <linux-imx@nxp.com>, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH] soc: imx: gpcv2: Synchronously suspend MIX domains
Date: Sun, 21 Nov 2021 10:24:00 +0800 [thread overview]
Message-ID: <20211121022400.GE31998@dragon> (raw)
In-Reply-To: <20211016210547.171717-1-marex@denx.de>
On Sat, Oct 16, 2021 at 11:05:47PM +0200, Marek Vasut wrote:
> In case the following power domain sequence happens, iMX8M Mini always hangs:
> gpumix:on -> gpu:on -> gpu:off -> gpu:on
> This is likely due to another quirk of the GPC block. This situation can be
> prevented by always synchronously powering off both the domain and MIX domain.
> Make it so. This turns the aforementioned sequence into:
> gpumix:on -> gpu:on -> gpu:off -> gpumix:off -> gpumix:on -> gpu:on
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Frieder Schrempf <frieder.schrempf@kontron.de>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: NXP Linux Team <linux-imx@nxp.com>
> Cc: Peng Fan <peng.fan@nxp.com>
> Cc: Shawn Guo <shawnguo@kernel.org>
Applied, thanks.
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prev parent reply other threads:[~2021-11-21 2:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-16 21:05 [PATCH] soc: imx: gpcv2: Synchronously suspend MIX domains Marek Vasut
2021-10-17 19:40 ` Lucas Stach
2021-10-18 12:11 ` Marek Vasut
2021-11-21 2:24 ` Shawn Guo [this message]
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