On Wed, 17 Mar 2021 at 14:14, Anil Felipe Duggirala <anilduggirala@xxxxxxxxxxx> wrote:
hello everyone,
I have just installed Fedora 33 workstation on my laptop.
I have never had an additional graphics card on a pc and want some guidance as to what I am supposed to do.
This is a Dell XPS 9550, which has the integrated Intel HD Graphics 530, and the discrete NVIDIA GeForce GTX 960M.
When will the laptop be using the NVIDIA card? Is this graphics card now working on my new installation?
You have "hybrid graphics": https://wiki.archlinux.org/index.php/Hybrid_graphics. For laptops
there is usually a video switch that connects the "active" graphics device to the display, and can
switch from discrete to integrated graphics to save power. As the article notes, linux support is
"experimental", especially if you use wayland.
"sudo lshw -c video" or "sudo lspci -k | grep -A 4 -i 'VGA'" should show
the driver used with each graphics device.
Regarding installation of drivers:
Does Fedora already carry a default driver for this graphics card? Do I need to install a driver?
Fedora uses the "nouveau" driver for NVIDIA devices. It is based on reverse engineering, so is
not as capable as the NVIDIA drivers, which you can get from rpmfusion.
I have noticed there is a specific repository for NVIDIA graphics cards drivers
(rpmfusion-nonfree-nvidia-driver), which provides the Nouveau driver. Should
I install this repository and a specific package contained in it?
If nouveau is adequate for your purposes you should consider continuing to use it but
be prepared to file a bug report when you find something that doesn't work adequately
so nouveau can be improved. I have a 10+ year old desktop with a basic NVIDIA card.
A simple mistake in a 5.8 kernel update broke support for my card and it took until
5.11 to get nouveau working again, so I was stuck on a 5.8 kernel for a couple months.
Does NVIDIA provide another driver for this card in linux? Would this be recommended
over the open source alternative for any reason?
linux support for hybrid graphics with X11.
Some people keep the display on integrated graphics so they can use the
discrete graphics hardware for numerical computations.
George N. White III
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