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AMD Introduces New Hotplug Driver Option For The X.Org Server

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  • AMD Introduces New Hotplug Driver Option For The X.Org Server

    Phoronix: AMD Introduces New Hotplug Driver Option For The X.Org Server

    Currently when hot-plugging a new GPU to a running X.Org Server, the generic xf86-video-modesetting DDX driver ends up being utilized. However, a new "HotplugDriver" xorg.conf option has been introduced by AMD to allow users to specify their desired DDX driver. In turn this makes it possible for those hot-plugging hardware like AMD Radeon GPUs such as within eGPU enclosures to specify using the xf86-video-amdgpu driver instead...

    https://www.phoronix.com/news/X.Org-...-HotplugDriver

  • #2
    What about hot unplug?

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    • #3
      Almost everyone in the Linux community: “Wayland is the future and Xorg is dead!”
      AMD: *releases new driver for Xorg*

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      • #4
        This isn't exactly new. This change has been sitting in a merge request for a year or more, but only recently got merged. Plus this isn't a new driver, it's a fix for the X server to make sure the same driver gets loaded on hotplug that was loaded before. E.g., say you had two GPUs using the amdgpu ddx, then you unplugged one and then plugged it back in later. The next time you plugged it in, it would use the modesetting ddx instead of the amdgpu ddx which breaks uses cases that depend on ddx specific requirements.

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        • #5
          Originally posted by Vistaus View Post
          Almost everyone in the Linux community: “Wayland is the future and Xorg is dead!”
          AMD: *releases new driver for Xorg*
          Wayland still sucks for anything that isn't multi-display and VRR.

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          • #6
            Originally posted by Vistaus View Post
            Almost everyone in the Linux community: “Wayland is the future and Xorg is dead!”
            AMD: *releases new driver for Xorg*
            fine with me, wayland has largely IMO been a negative thing so far. if I didnt have to use it I wouldnt

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            • #7
              Originally posted by Espionage724 View Post

              Wayland still sucks for anything that isn't multi-display and VRR.
              No, it's useful in many other ways.

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              • #8
                Originally posted by Hibbelharry View Post

                No, it's useful in many other ways.
                Which other ways (that actually visibly affect end-users)?

                Disclaimer: I use Wayland as the session for GNOME and I'm not aware if these things affects other configurations or if they're specific to Wayland even.

                All Wayland does for me is lag up my mouse cursor and make it feel 90's software-accelerated at times even with those two Ubuntu 22.04 MUTTER and CLUTTER env variables, makes Moonlight jitter, cause cursor issues with D2R through Wine and other games in Proton, and occasionally caused auto-type incompatibilities with KeePass depending on what app I was using. It provides no tangible benefit in my usage, and I've tried Wayland on every new Fedora release since around version 26 or 27.

                Meanwhile my cursor is nice and responsive at all times with Xorg, and everything from screen recording to auto-typing works. I don't have to try to make things work with Xorg; they just do today. I last tried Wayland on Fedora 36 with GNOME 42.4 and X is still more performant and consistent on Intel UHD 630 and AMD RX 6600 XT.
                Last edited by Espionage724; 18 November 2022, 09:02 AM.

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                • #9
                  Kill Wayland with fire.

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                  • #10
                    Originally posted by Weasel View Post
                    Kill Wayland with fire.
                    Why would they? Wayland is perfect for their actual money makers, namely smart fridges and automobiles.

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