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Thread: MESA updates

  1. #1
    Join Date
    Jun 2008
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    The Netherlands
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    295

    Default MESA updates

    I'm fairly new to Tumbleweed, just switched over from Leap a couple of weeks ago.

    Is there a time line or something like that, where you can see when certain software versions come to Tumbleweed? Like MESA 21 i.e.?

  2. #2
    Join Date
    Mar 2020
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    São Leopoldo, RS, Brazil
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    321

    Default Re: MESA updates

    openSUSE Tumbleweed

  3. #3
    Join Date
    Jun 2008
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    The Netherlands
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    295

    Default Re: MESA updates

    Thank you!

  4. #4

    Default Re: MESA updates

    If its about CP2077 then you can use another repository, like the one from khnazile with Mesa-git or the one from X0F:HSF with Mesa 20.3.1.

    I might add that I still have black textures in CP2077 with both of them and I don't know what's causing it. Could be Steam Beta ****ing up Vulkan shaders, could be missing packages, could be the newly activated SAM from AMD, could be some ********** up settings or something completely different.
    The safest bet is to wait for an official update to 20.3.1 that's hopefully coming soon because the first bugfix release was on 16. December.

    Anyway, have a great Christmas.

    PS.: For anyone wondering reading this you can check if SAM is active with AMD_DEBUG=info glxinfo | grep vram and if vram_vis_size is bigger than 256 SAM is active.
    In my instance it looks like this:
    Code:
    vram_size = 8192 MB 
    vram_vis_size = 8176 MB 
    vram_type = 9 
    vram_bit_width = 256 
    has_dedicated_vram = 1

  5. #5
    Join Date
    Jun 2008
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    Default Re: MESA updates

    Hi, thanks for your answer.

    What is that SAM you talked about?

  6. #6

    Default Re: MESA updates

    SAM stands for Smart Access Memory and you can look into it on AMD's website.
    Don't get fooled by their own PR and footnotes, I use it with a 3900X and a 5700XT. As far as I know a 500 Series MB is needed and of course the newest BIOS update.

  7. #7

    Default Re: MESA updates

    With Ryzen 3200G APU:

    Code:
    AMD_DEBUG=info glxinfo | grep vram
    vram_size = 1024 MB
    vram_vis_size = 1024 MB
    vram_type = 8
    vram_bit_width = 128
    has_dedicated_vram = 0
    Old BIOS, no SAM.

  8. #8

    Default Re: MESA updates

    An APU is different, the CPU has always access to the GPU memory because they are on the same board/chip.
    I talk about a normal PC with a dedicated CPU and GPU.

  9. #9
    Join Date
    Jun 2008
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    The Netherlands
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    295

    Default Re: MESA updates

    How do I enable this?

  10. #10

    Default Re: MESA updates

    https://www.phoronix.com/forums/foru...ry-information

    https://www.phoronix.com/forums/foru...92#post1227192

    The performance can decrease with Above 4G Decoding due to unknown reasons because this is all experimental and might not have been validated by hardware vendors. Some users report decreased performance.
    Up to +11% - not too big enhancement.

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