On 12/12/2013 08:32, Matthias Nagel wrote:
Hello,
I run the Gentoo Linux distribution and use a self-compiled Linux
3.10.17 kernel. According to
[1] http://nouveau.freedesktop.org/wiki/InstallDRM/
[2] http://nouveau.freedesktop.org/wiki/VideoAcceleration/
I need the original firmware from the binary driver in order to
sucessully use DRM and to use VDPAU video acceleration. I used the
python script from [2] and I had a look at the ebuild from
[3] https://bugs.gentoo.org/show_bug.cgi?id=480832
to extract the firmware and to place it at /lib/firmware/nouveau. But
I do not see any dmesg output about loading the firmware. I do not see
any dmesg output about nouveau failing to do so either. I neither do
no see any "nouveau <pci id>: firmware: requesting nouveau/" in my
kernel output.
Anyway VDPAU seems to work. If I call mplayer with "-vo vdpau -vc
ffmpeg12vdpau,...", I don't get any error message and my CPU load
drops from 30% to 7% for a recent mpeg transport stream 1080p video.
In conclusion, do I still need the firmware? Do the information given
at [1], [2] still apply or are they outdated?
Thanks for your first hand investigation. To be honest, I can't remember
which kernel provides a working-enough open source pgraph fw.
As you figured out, it works for you, but you should update your kernel,
there is no point in staying on old Linux releases, at least
Nouveau-wise. If there was a regression, let us know instead of staying
on an old kernel.
Cheers,
Martin Peres
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