AMD adds Dimgrey Cavefish (NAVI 23) to Linux OpenGL driver

Published: 22nd Sep 2020, 18:44 GMT   Comments

AMD adds Navi 23 support to Linux OpenGL driver

AMD Dimgrey Cavefish in Mesa 20.03-devel

AMD today added a new GPU codename to its Linux OpenGL driver stack (Mesa 20.03-devel). The GPU called ‘Dimgrey Cavefish’ has the same GPU architecture level as Navi 21 and Navi 22. The new Dimgrey is more than likely the codename of Navi 23.

AMD Dimgrey Cavefish (Navi 23), Source: Freedesktop

The codename can be easily associated with Navi 23 because AMD has already provided the same hexadecimal ranges within other files (0x3C to 0x46).

Navi22 has the same Range as Dimgrey Cavefish, Source: @Komachi_Ensaka

All three RDNA2 discrete GPUs are being added to Linux ‘almost’ at the same time. The Sienna Cichlid aka Navi 21 is likely to be the first, but Navi 22 and Navi 23 are to follow shortly. The good news is that we should expect a much wider range of graphics processors than before. AMD has not launched three discrete GPUs in the same year for a very long time.

Would that mean AMD is launching high-end to entry-level series under Radeon RX 6000 series in October? Probably not, because Navi 23 has been added three months after Navi 21. However, it does confirm that AMD is committed to launching more graphics cards under the next Radeon series.

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
GFX908ARCTURUSCDNA 1.0Instinct MI100 TBC
GFX909RAVEN2GCN 5.0TBC
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 21Sienna CichlidRDNA 2.0RX 6900 TBC
GFX1030NAVI 22Navy FlounderRDNA 2.0RX 6800/6700 TBC
GFX1030NAVI 23Dimgrey CavefishRDNA 2.0RX 6600/6500 TBC

Source: Phoronix




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