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FBDEV Is Still Chugging Along With Linux 4.11

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  • FBDEV Is Still Chugging Along With Linux 4.11

    Phoronix: FBDEV Is Still Chugging Along With Linux 4.11

    It's going on five years since there was the call for deprecating FBDEV within the mainline Linux kernel and various ongoing efforts to get more drivers to making use of the Direct Rendering Manager (DRM) rather than FBDEV. But with Linux 4.11, FBDEV still remains in place...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite

  • #2
    Well, it works, and it's really easy to write an fbdev driver for dumb devices. I see no reason to drop it as long as it doesn't get in the way of bigger structural changes.

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    • #3
      Can anyone explain to me what goes on during boot when fbdev or vesa gets loaded, then another driver loads and these other two unload? On QEMU with UEFI vesa doesn't work far as I understand, but some distro do not seem to support fbdev(X log says module could not be found/loaded).

      So for example cirrus, vitrio_gpu, vga(bochs_drm) might be the video device kernel driver, module gets loaded and it's fb driver takes over vesafb(? not sure what BIOS uses)/efifb, then fbdev or vesa would load, perhaps with modesetting before glamor tries to initialize(failing because DRI2 is not supported and falling back to software raster rendering). There seems to be two vesa, one that segfaults when initializing glamoregl and another that would have a problem addressing V_BIOS memory(xf86-video-vesa module I think).

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      • #4
        fbdev is still used for hyper-v guests

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        • #5
          Michael, the guy's name is Bartłomiej Żołnierkiewicz.

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          • #6
            Originally posted by flecht View Post
            Michael, the guy's name is Bartłomiej Żołnierkiewicz.
            Uh, and some people have a problem to pronounce Benedict Cumberbatch but this guy is in a total different league

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            • #7
              Originally posted by Nille View Post

              Uh, and some people have a problem to pronounce Benedict Cumberbatch but this guy is in a total different league
              I already have trouble pronouncing Micheal.

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              • #8
                Originally posted by Nille View Post
                Uh, and some people have a problem to pronounce Benedict Cumberbatch but this guy is in a total different league
                I don't find hard to pronounce "bartlomiei zolnierkevicz" (kinda how I pronounce it), nor "benedict cumberbatch".

                I must be a superhuman being.

                (and no I'm not from Poland or something)

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                • #9
                  Originally posted by flecht View Post
                  Michael, the guy's name is Bartłomiej Żołnierkiewicz.
                  On my US* keyboard: capital-b, a, r, t, compose-l-slash, o, m, i, e, j, space, compose-capital-z-dot, o, compose-l-slash,n, i, e, r, k, i, e, w, i, c, z. What could be simpler?

                  And I have no trouble with “Binali Yıldırım” either.

                  *’cos that’s what we use in NZ.

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