From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
Mikko Perttunen <cyndis@kapsi.fi>,
dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH v1] gpu: host1x: Fix hang on Tegra186+
Date: Thu, 27 Jan 2022 18:32:59 +0100 [thread overview]
Message-ID: <YfLXSxbdu3AbHwFp@orome> (raw)
In-Reply-To: <20211223144650.10335-1-digetx@gmail.com>
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On Thu, Dec 23, 2021 at 05:46:50PM +0300, Dmitry Osipenko wrote:
> Tegra186+ hangs if host1x hardware is disabled at a kernel boot time
> because we touch hardware before runtime PM is resumed. Move sync point
> assignment initialization to the RPM-resume callback. Older SoCs were
> unaffected because they skip that sync point initialization.
>
> Tested-by: Jon Hunter <jonathanh@nvidia.com> # T186
> Reported-by: Jon Hunter <jonathanh@nvidia.com> # T186
> Fixes: 6b6776e2ab8a ("gpu: host1x: Add initial runtime PM and OPP support")
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/gpu/host1x/syncpt.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
Applied, thanks.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: linux-tegra@vger.kernel.org, Mikko Perttunen <cyndis@kapsi.fi>,
dri-devel@lists.freedesktop.org,
Jonathan Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH v1] gpu: host1x: Fix hang on Tegra186+
Date: Thu, 27 Jan 2022 18:32:59 +0100 [thread overview]
Message-ID: <YfLXSxbdu3AbHwFp@orome> (raw)
In-Reply-To: <20211223144650.10335-1-digetx@gmail.com>
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On Thu, Dec 23, 2021 at 05:46:50PM +0300, Dmitry Osipenko wrote:
> Tegra186+ hangs if host1x hardware is disabled at a kernel boot time
> because we touch hardware before runtime PM is resumed. Move sync point
> assignment initialization to the RPM-resume callback. Older SoCs were
> unaffected because they skip that sync point initialization.
>
> Tested-by: Jon Hunter <jonathanh@nvidia.com> # T186
> Reported-by: Jon Hunter <jonathanh@nvidia.com> # T186
> Fixes: 6b6776e2ab8a ("gpu: host1x: Add initial runtime PM and OPP support")
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/gpu/host1x/syncpt.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2022-01-27 17:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-23 14:46 [PATCH v1] gpu: host1x: Fix hang on Tegra186+ Dmitry Osipenko
2021-12-23 14:46 ` Dmitry Osipenko
2022-01-27 17:32 ` Thierry Reding [this message]
2022-01-27 17:32 ` Thierry Reding
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