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Quad-Monitor AMD/NVIDIA Linux Gaming: What You Need To Know

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  • Quad-Monitor AMD/NVIDIA Linux Gaming: What You Need To Know

    Phoronix: Quad-Monitor AMD/NVIDIA Linux Gaming: What You Need To Know

    The multiple monitor experience on Linux traditionally was very arcane and difficult; it would involve editing text configuration errors, trial-and-error, picking the right Linux GPU driver, and various other steps to get a working multi-monitor desktop. Since then there's been RandR 1.2+ and major improvements to all of the important Linux desktop graphics drivers -- both open and closed-source. How is the Linux multi-monitor now when using a modern distribution and the latest graphics cards that can drive four monitors simultaneously? Let's find out! Up for testing today are NVIDIA and AMD graphics cards using both the open and closed-source drivers while using DVI, DisplayPort, and HDMI displays.

    http://www.phoronix.com/vr.php?view=19435

  • #2
    Great article Michael.

    On the subject, have you seen anyone using 4 monitors? I think it is not practical, you have to have a central monitor while the rest to be auxiliary.

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    • #3
      Long story short:

      Nvidia binary blob: Everything works perfectly.
      Catalyst binary blob: Everything almost works perfectly
      Radeon open driver: Everything will be perfect if it were faster
      Nouveau: Everything will be perfect if it could actually even start to work.

      On the subject, have you seen anyone using 4 monitors? I think it is not practical, you have to have a central monitor while the rest to be auxiliary.
      4 monitors for gaming is the norm for gamers where I live.

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      • #4
        What I'd like to see is how the Intel driver handles multi-monitor setups. Not so much the performance, but if it works, what GPU generation works the best (or at all) and any problems it may have.

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        • #5
          Great article Michael. It's been a while since one of these was posted on here, with actual research and commentary.

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          • #6
            Originally posted by Sonadow View Post
            ...
            4 monitors for gaming is the norm for gamers where I live.
            Idk, for me (and people I know) 3 is the norm, either in longways (5760 x 1080) or vertical (3240 x 1920). I couldn't stand having a bezel in the middle of my view :/ Terrible for FPS's

            Mind you, any gaming I do is on Windows, so not had any issues with Eyefinity and games there.

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            • #7
              Originally posted by zeealpal View Post
              Idk, for me (and people I know) 3 is the norm, either in longways (5760 x 1080) or vertical (3240 x 1920). I couldn't stand having a bezel in the middle of my view :/ Terrible for FPS's

              Mind you, any gaming I do is on Windows, so not had any issues with Eyefinity and games there.
              Terrible for FPS yes.

              But amazing for RTS and huge, sprawling MMOs.

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              • #8
                Great article Michael, very well done!

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                • #9
                  Michael you Reeeaaaaallllyyyy NEEEEEEEEEEEEED on of those new 4k Dell monitors for your setup.

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                  • #10
                    I think AMD specifically says that you need 3 identical monitors if you want to connect more than two of them using DVI/HDMI. If you don't use identical monitors, that is unsupported and it may or may not work.

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                    • #11
                      BTW with wayland coming what changes in the whole multi display situation. Will it make it easier or it doesn't matter at all.

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                      • #12
                        Originally posted by 89c51 View Post
                        BTW with wayland coming what changes in the whole multi display situation. Will it make it easier or it doesn't matter at all.
                        It won't change a thing. In other news, Wayland will also not cure cancer, or send man to Mars.

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                        • #13
                          Originally posted by curaga View Post
                          It won't change a thing. In other news, Wayland will also not cure cancer, or send man to Mars.
                          If it makes you shave your neckbeard i ll be ok with it.

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                          • #14
                            Originally posted by 89c51 View Post
                            BTW with wayland coming what changes in the whole multi display situation. Will it make it easier or it doesn't matter at all.
                            well actually with wayland there will be less roundbaouts and penalties because all wayland cares is the compositor allocate a surface big enough to handle the 4 screens and set the correct outputs, everything else is KMS problem not waylands, with X11 you have lot more initialization and roundabouts everytime you swap each output

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                            • #15
                              Correct me if I am wrong (and I probably am) but I thought that nvidia does not support more then 3 monitors and they actually withdrew 4 monitor support in Linux a month ago? The article was here on phoronix..
                              How did you connect those monitors - One display port, two via DVI and one via HDMI?
                              I have 4 monitors but I can actually use 3 of them using Intel's video in my Haswell i7 CPU.
                              It works great but I am really up to shell some $$$ for an NVIDIA card but I gave up when I read that NVIDIA does not support 4 monitors..

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