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AMD Navi and Linux

Filed under
Graphics/Benchmarks
Linux
Hardware
  • More AMD Navi GPUs show up in a Linux driver

    A since-deleted commit for a Linux driver update hints at 4 new AMD Navi GPUs.

  • Libdrm Picks Up Support For AMD Navi

    As another one of the prerequisites for landing the AMD Radeon RX 5000 series "Navi" support in Mesa, the libdrm bits have just been merged.

    Libdrm is the Mesa DRM library that is needed for sitting between the Linux kernel Direct Rendering Manager (DRM) interfaces and the user-space components (depending upon the driver, as is required by like RadeonSI). Libdrm also ends up being used by the DDX drivers like xf86-video-amdgpu and other components as well depending upon the driver. As of a short time ago, the Navi bits landed in libdrm Git.

    The Navi support here isn't all that exciting and mostly boilerplate code for a new generation for a new family ID, a new member for a tile steering override for GFX10, GDDR6 as a new video memory type, and the largest addition is simply the new tests for VCN 2.0 video decode support.

Linux display driver code hints more AMD Navi GPUs

  • Linux display driver code hints that more AMD Navi GPUs are coming

    Currently, only three have been revealed: the Radeon RX 5700, Radeon RX 5700 XT, and the 50th Anniversary Edition Radeon 5700 XT.

    The Linux code contains references to Navi 10, Navi 12, Navi 14, and Navi 21. All we know so far is that Navi 10 refers to the GPU found at the heart of the Radeon RX 5700 graphics cards.

    As such, the other Navi bits could be more upcoming variants of the new Radeon RX cards, or perhaps mobile or professional workstation cards. All we've got to go on at the moment is guesswork.

    There's also another GPU spelt out in code as "NV_UNKNOWN = 0xFF". Somewhat ironically, we also have no idea what the unknown card might be; perhaps it's another Radeon GPU or something completely different.

Linux driver hints that more AMD Navi GPUs are on the way

  • Linux driver hints that more AMD Navi GPUs are on the way

    So far, AMD has only officially announced three Navi models, the Radeon RX 5700 XT and Radeon RX 5700, along with a 50th Anniversary Edition of the former. It's a safe bet there will be additional models, though, and perhaps soon, based on a breakdown of a recent Linux display driver update.

    Twitter user and frequent hardware leaker APISAK called attention to the updated driver code. The original reference has since been taken offline, though not before a screenshot was grabbed.

AMD Sends In Navi Support & Other Remaining AMDGPU Changes

  • AMD Sends In Navi Support & Other Remaining AMDGPU Changes For Linux 5.3

    On Saturday night AMDGPU/Radeon DRM maintainer Alex Deucher sent in the final batch of feature updates to DRM-Next that is targeting the upcoming Linux 5.3 kernel.

    This final batch of changes is on top of multiple earlier rounds of work already queued in DRM-Next for vetting in the weeks until the Linux 5.3 merge window in early July. Most notable with this final batch of work is the Navi 10 (Radeon RX 5700 series) support.

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