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Re: [Libreboot] VGA Output Slow With GNOME
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From: |
Denis 'GNUtoo' Carikli |
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Subject: |
Re: [Libreboot] VGA Output Slow With GNOME |
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Date: |
Sat, 17 Oct 2015 14:31:29 +0200 |
On Fri, 16 Oct 2015 15:04:35 -0400
Joshua Bowren <address@hidden> wrote:
> I am not sure if this is just a GNOME issue or if my computer's
> graphics (GMA 945) is just too slow. Whenever I plug into a display
> via VGA (dual display) GNOME becomes very slow. Lowering the
> resolution to 1024x768 (with mirror display) on both displays seems
> to fix the issue. Could this be because my display (1400x1050) does
> not scale well to higher resolutions like those with 16:9 and 16:10
> aspect ratios?
>
> Does anyone else experience slow downs when using external displays?
> Maybe the GM4500HD in the newer thinkpads can handle this better.
Last time I used external displays I did. Under gnome and GDM I had
issues, but not under KDE.
I wonder if 3D acceleration has a role in that. Is 3D acceleration
deactivated when you plug a new monitor?
I didn't investigate because it worked well under KDE at the time.
Denis.
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