From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Alexandre Courbot <acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: "Terje Bergström"
<tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"Stephen Warren"
<swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v4 2/2] gpu: host1x: Set DMA ops on device creation
Date: Wed, 2 Mar 2016 18:08:38 +0100 [thread overview]
Message-ID: <20160302170838.GB486@ulmo.nvidia.com> (raw)
In-Reply-To: <1456477613-24995-2-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
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On Fri, Feb 26, 2016 at 06:06:53PM +0900, Alexandre Courbot wrote:
> Currently host1x-instanciated devices have their dma_ops left to NULL,
> which makes any DMA operation (like buffer import) on ARM64 fallback
> to the dummy_dma_ops and fail with an error.
>
> This patch calls of_dma_configure() with the host1x node when creating
> such a device, so the proper DMA operations are set.
>
> Suggested-by: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Alexandre Courbot <acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
> drivers/gpu/host1x/bus.c | 2 ++
> 1 file changed, 2 insertions(+)
Applied, thanks.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Alexandre Courbot <acourbot@nvidia.com>
Cc: "Terje Bergström" <tbergstrom@nvidia.com>,
"Stephen Warren" <swarren@wwwdotorg.org>,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
gnurou@gmail.com
Subject: Re: [PATCH v4 2/2] gpu: host1x: Set DMA ops on device creation
Date: Wed, 2 Mar 2016 18:08:38 +0100 [thread overview]
Message-ID: <20160302170838.GB486@ulmo.nvidia.com> (raw)
In-Reply-To: <1456477613-24995-2-git-send-email-acourbot@nvidia.com>
[-- Attachment #1: Type: text/plain, Size: 627 bytes --]
On Fri, Feb 26, 2016 at 06:06:53PM +0900, Alexandre Courbot wrote:
> Currently host1x-instanciated devices have their dma_ops left to NULL,
> which makes any DMA operation (like buffer import) on ARM64 fallback
> to the dummy_dma_ops and fail with an error.
>
> This patch calls of_dma_configure() with the host1x node when creating
> such a device, so the proper DMA operations are set.
>
> Suggested-by: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---
> drivers/gpu/host1x/bus.c | 2 ++
> 1 file changed, 2 insertions(+)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2016-03-02 17:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 9:06 [PATCH v4 1/2] gpu: host1x: Set DMA mask Alexandre Courbot
2016-02-26 9:06 ` Alexandre Courbot
[not found] ` <1456477613-24995-1-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-02-26 9:06 ` [PATCH v4 2/2] gpu: host1x: Set DMA ops on device creation Alexandre Courbot
2016-02-26 9:06 ` Alexandre Courbot
[not found] ` <1456477613-24995-2-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-03-02 17:08 ` Thierry Reding [this message]
2016-03-02 17:08 ` Thierry Reding
2016-03-02 17:08 ` [PATCH v4 1/2] gpu: host1x: Set DMA mask Thierry Reding
2016-03-02 17:08 ` Thierry Reding
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