From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Jonathan Hunter"
<jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"Peter De Schrijver"
<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
"Daniel Lezcano"
<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"Michał Mirosław"
<mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>,
"Jasper Korten" <jja2000-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"David Heidelberg" <david-W22tF5X+A20@public.gmane.org>,
"Peter Geis" <pgwipeout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v1 2/3] firmware: trusted_foundations: Different way of L2 cache enabling after LP2 suspend
Date: Wed, 6 May 2020 18:34:47 +0200 [thread overview]
Message-ID: <20200506163447.GC2723057@ulmo> (raw)
In-Reply-To: <20200324224335.5825-3-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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On Wed, Mar 25, 2020 at 01:43:34AM +0300, Dmitry Osipenko wrote:
> ASUS TF300T device may not work properly if firmware is asked to fully
> re-initialize L2 cache after resume from LP2 suspend. The downstream
> kernel of TF300T uses different opcode to enable cache after resuming
> from LP2, this opcode also works fine on Nexus 7 and Ouya devices.
> Supposedly, this may be needed by an older firmware versions.
>
> Reported-by: Michał Mirosław <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
> Tested-by: Michał Mirosław <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
> Tested-by: Jasper Korten <jja2000-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Tested-by: David Heidelberg <david-W22tF5X+A20@public.gmane.org>
> Tested-by: Peter Geis <pgwipeout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> arch/arm/mach-tegra/pm.c | 4 ++++
> drivers/firmware/trusted_foundations.c | 21 ++++++++++++++++++--
> include/linux/firmware/trusted_foundations.h | 1 +
> 3 files changed, 24 insertions(+), 2 deletions(-)
I split this up and applied it to for-5.8/firmware and for-5.8/arm/core,
respectively.
Thanks,
Thierry
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next prev parent reply other threads:[~2020-05-06 16:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 22:43 [PATCH v1 0/3] Enable LP2 CPUIDLE state on NVIDIA Tegra30 Dmitry Osipenko
[not found] ` <20200324224335.5825-1-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-24 22:43 ` [PATCH v1 1/3] ARM: tegra: Initialize r0 register for firmware wake-up Dmitry Osipenko
[not found] ` <20200324224335.5825-2-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-05-06 16:34 ` Thierry Reding
2020-03-24 22:43 ` [PATCH v1 2/3] firmware: trusted_foundations: Different way of L2 cache enabling after LP2 suspend Dmitry Osipenko
[not found] ` <20200324224335.5825-3-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-05-06 16:34 ` Thierry Reding [this message]
2020-03-24 22:43 ` [PATCH v1 3/3] cpuidle: tegra: Support CPU cluster power-down state on Tegra30 Dmitry Osipenko
[not found] ` <20200324224335.5825-4-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-05-06 16:33 ` Thierry Reding
2020-05-22 16:42 ` Daniel Lezcano
2020-05-22 16:42 ` Daniel Lezcano
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