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axl
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PostPosted: Mon Apr 04, 2016 12:44 am    Post subject: nouveau happy news for gtx 9xx owners Reply with quote

https://nouveau.freedesktop.org/wiki/

the beautiful nouveau team pushed teh required modifications upstream to kernel (starting 4.6.0) to support GM20x acceleration (with redistributable signed firmware) and mesa 11.2.

That means nvidia cards GTX 950/960/970/980. Can't wait.
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Letharion
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PostPosted: Mon Apr 04, 2016 6:12 am    Post subject: Reply with quote

So it's actually happening? Fantastic news, this has been a long time coming. :)

Great timing, since I'm looking for a new gpu anyway.
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axl
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PostPosted: Sun Jun 12, 2016 8:34 am    Post subject: Reply with quote

It's actually working. I didn't try with 4.6.0 or 4.6.1. Didn't have the time. But finally got to it at 4.6.2 and it's working great using modesetting module. Dont try to put driver nouveau in xorg.conf. just uninstall nvidia-drivers or blacklist it in modprobe and X will fallback to modesetting. it's even 3d accel :)) works great.

glxinfo
name of display: :0
display: :0 screen: 0
direct rendering: Yes
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Letharion
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PostPosted: Sun Jun 12, 2016 9:28 am    Post subject: Reply with quote

So what GPU are you using? What performance are you seeing? :)
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axl
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PostPosted: Sun Jun 12, 2016 9:34 am    Post subject: Reply with quote

Letharion wrote:
So what GPU are you using? What performance are you seeing? :)


lspci | grep VGA
06:00.0 VGA compatible controller: NVIDIA Corporation GM206 [GeForce GTX 960] (rev a1)


TBH i have no idea how to measure performance in linux :)

All I can say is that it feels smooth. Just as smooth as it felt with nvidia-drivers. I am using gnome-3.
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axl
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PostPosted: Sun Jun 12, 2016 10:08 am    Post subject: Reply with quote

I found this small benchmark utility called gtkperf. Here are some results. First with nvidia-drivers, second with nouveau.

GtkPerf 0.40 - Starting testing: Sun Jun 12 13:02:40 2016

GtkEntry - time: 0.05
GtkComboBox - time: 0.58
GtkComboBoxEntry - time: 0.27
GtkSpinButton - time: 0.07
GtkProgressBar - time: 0.06
GtkToggleButton - time: 0.08
GtkCheckButton - time: 0.03
GtkRadioButton - time: 0.05
GtkTextView - Add text - time: 0.09
GtkTextView - Scroll - time: 0.06
GtkDrawingArea - Lines - time: 0.55
GtkDrawingArea - Circles - time: 0.87
GtkDrawingArea - Text - time: 0.23
GtkDrawingArea - Pixbufs - time: 0.07
---
Total time: 3.06

GtkPerf 0.40 - Starting testing: Sun Jun 12 13:06:13 2016

GtkEntry - time: 0.06
GtkComboBox - time: 0.41
GtkComboBoxEntry - time: 0.30
GtkSpinButton - time: 0.15
GtkProgressBar - time: 0.14
GtkToggleButton - time: 0.12
GtkCheckButton - time: 0.03
GtkRadioButton - time: 0.04
GtkTextView - Add text - time: 0.07
GtkTextView - Scroll - time: 0.14
GtkDrawingArea - Lines - time: 0.58
GtkDrawingArea - Circles - time: 0.68
GtkDrawingArea - Text - time: 0.14
GtkDrawingArea - Pixbufs - time: 0.18
---
Total time: 3.04
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Chiitoo
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PostPosted: Mon Jun 13, 2016 10:26 am    Post subject: ><)))°€ Reply with quote

I've compared cards using the Unigine Valley and Heaven benchmarks.

Haven't yet compared between nvidia-drivers and nouveau though, just cards for which the older one, the GTX 275, nouveau was unable to control its fan at all, so it wasn't an option for that one, unfortunately.

I have been meaning to try the drivers out with the GTX 960 I got now...

Would also be interesting to see some results from AMD users (I've heard good things of those recently, and things like FreeSync do make me think about switching over).
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