From: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
To: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Jonathan Hunter
<jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v1 0/2] NVIDIA Tegra20 video decoder driver
Date: Tue, 26 Sep 2017 08:54:47 +0200 [thread overview]
Message-ID: <20170926065447.GC6250@kroah.com> (raw)
In-Reply-To: <cover.1506377430.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Tue, Sep 26, 2017 at 01:15:41AM +0300, Dmitry Osipenko wrote:
> This driver provides accelerated video decoding to NVIDIA Tegra20 SoC's,
> it is a result of reverse-engineering efforts. Driver has been tested on
> Toshiba AC100 and Acer A500, it should work on any Tegra20 device.
>
> In userspace this driver is utilized by libvdpau-tegra [0] that implements
> VDPAU interface, so any video player that supports VDPAU can provide
> accelerated video decoding on Tegra20 on Linux.
Why not use the v4l2 api instead? Doesn't that provide the same needed
user/kernel api here instead of creating yet-another-custom ioctl?
thanks,
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Rob Herring <robh+dt@kernel.org>,
linux-tegra@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v1 0/2] NVIDIA Tegra20 video decoder driver
Date: Tue, 26 Sep 2017 08:54:47 +0200 [thread overview]
Message-ID: <20170926065447.GC6250@kroah.com> (raw)
In-Reply-To: <cover.1506377430.git.digetx@gmail.com>
On Tue, Sep 26, 2017 at 01:15:41AM +0300, Dmitry Osipenko wrote:
> This driver provides accelerated video decoding to NVIDIA Tegra20 SoC's,
> it is a result of reverse-engineering efforts. Driver has been tested on
> Toshiba AC100 and Acer A500, it should work on any Tegra20 device.
>
> In userspace this driver is utilized by libvdpau-tegra [0] that implements
> VDPAU interface, so any video player that supports VDPAU can provide
> accelerated video decoding on Tegra20 on Linux.
Why not use the v4l2 api instead? Doesn't that provide the same needed
user/kernel api here instead of creating yet-another-custom ioctl?
thanks,
greg k-h
next prev parent reply other threads:[~2017-09-26 6:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-25 22:15 [PATCH v1 0/2] NVIDIA Tegra20 video decoder driver Dmitry Osipenko
2017-09-25 22:15 ` Dmitry Osipenko
2017-09-25 22:15 ` [PATCH v1 1/2] staging: Introduce " Dmitry Osipenko
2017-09-25 22:15 ` Dmitry Osipenko
[not found] ` <5c8b83775b982e6ee851c127444a8e839f422ad0.1506377430.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-25 23:01 ` Stephen Warren
2017-09-25 23:01 ` Stephen Warren
2017-09-25 23:45 ` Dmitry Osipenko
[not found] ` <d19d709b-7451-0cdc-8bd0-913dc9c0a27d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-26 5:11 ` Stephen Warren
2017-09-26 5:11 ` Stephen Warren
[not found] ` <52f5c05f-7060-4d0f-355f-6da372c9ded0-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2017-09-26 12:02 ` Dmitry Osipenko
2017-09-26 12:02 ` Dmitry Osipenko
2017-09-27 9:45 ` Dan Carpenter
2017-09-27 9:45 ` Dan Carpenter
2017-09-27 23:28 ` Dmitry Osipenko
2017-09-27 23:28 ` Dmitry Osipenko
2017-09-28 7:23 ` Dan Carpenter
2017-09-28 11:37 ` Dmitry Osipenko
2017-09-28 11:37 ` Dmitry Osipenko
2017-09-27 23:31 ` Dmitry Osipenko
2017-09-27 23:31 ` Dmitry Osipenko
2017-09-25 22:15 ` [PATCH v1 2/2] ARM: dts: tegra20: Add video decoder node Dmitry Osipenko
2017-09-25 22:15 ` Dmitry Osipenko
[not found] ` <cover.1506377430.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-26 6:54 ` Greg Kroah-Hartman [this message]
2017-09-26 6:54 ` [PATCH v1 0/2] NVIDIA Tegra20 video decoder driver Greg Kroah-Hartman
[not found] ` <20170926065447.GC6250-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2017-09-26 12:32 ` Dmitry Osipenko
2017-09-26 12:32 ` Dmitry Osipenko
[not found] ` <d2d4c970-d921-c282-b70e-00247c5de50f-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-26 21:35 ` Greg Kroah-Hartman
2017-09-26 21:35 ` Greg Kroah-Hartman
[not found] ` <20170926213549.GE3418-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2017-09-26 22:17 ` Dmitry Osipenko
2017-09-26 22:17 ` Dmitry Osipenko
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