AMD “Navy Flounder” NAVI 22 GPU added to Linux patches

Published: Jul 14th 2020, 19:17 GMT   Comments

AMD Navy Flounder

AMD is adding more patches to the Linux display drivers. We have so far heard about Sienna Cichlid, also known as Navi 21 or The Big Navi) The Navy Flounder is a new codename for yet another Navi 2X processor. The graphics processor appears to be from GFX103X family.

Update: it appears that the GPU is actually Navi 22, not Navi 23:

> +adev->external_rev_id = adev->rev_id + 0x32;…
> # define AMDGPU_NAVI22_RANGE 0x32, 0x3C

Navi 22 patches via @Latimeria_Dream

The Navi 22 GPU is currently expected to debut as Navi 12 successor. This is a dedicated GPU for Apple Mac. A predecessor, Navi 12 was released just a few weeks ago. This is a custom Navi 10 variant featuring HBM2 memory. It seems reasonable to expect Navi 22 to also feature HBM2. Since Navi 12 had the same number of cores as Navi 10, the 22 could also be considered a custom variant of the Navi 21 (Big Navi). However, for now it is all just speculation.

One thing to note though, it that the patch is referred to Navy Flounder GPUs, so it could also be a family of graphics processors.

Linux patch for Navy Flounder GPUs

AMD Graphics Chips
Graphics ArchitectureGPU CodenameAlternative NameArchitectureProduct
GFX900VEGA 10GCN 5.0RX VEGA / Radeon Pro
GFX902RAVENRaven Ridge / PicassoGCN 5.0Ryzen 2000/3000(G/GE)
GFX904VEGA 12GCN 5.0Vega Pro 20 (MAC)
GFX906VEGA 20GCN 5.0Radeon VII / Radeon Pro VII
GFX909RENOIRGCN 5.0Ryzen 4000(H/U/G)
GFX1010NAVI 10RDNA 1.0RX 5700/5600(M/XT)
GFX1011NAVI 12RDNA 1.0PRO 5600M (MAC)
GFX1012NAVI 14RDNA 1.0RX 5500 (M/XT)
GFX1030NAVI 21Big Navi / Sienna CichlidRDNA 2.0RX 6900/6800 TBC
GFX1031NAVI 22Navy FlounderRDNA 2.0PRO 6600 (MAC) TBC
GFX1032NAVI 23RDNA 2.0RX 6500 TBC

Source: Freedesktop via @Komachi_Ensaka

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