New Linux drivers for AMD’s RDNA 4 and RDNA 3+

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In an important move, AMD has released big changes for its RDNA 4 and RDNA 3+ GPUs in the most recent Linux graphics drivers∂. This is part of AMD’s ongoing work to make sure that its future graphics products will work better with Linux.

The most recent fixes allow a number of important parts to work. As of now, LSDMA is at version 7.0, IH is at version 7.0, and HDP is also at version 7.0². Each of these IP blocks is very important for a graphics processor² to work.

The goal of the ATHUB 4.1 is to improve energy economy through clock-gating and power control. The changes for LSDMA 7.0 are mostly about Light SDMA 7.0, which is needed for most System DMA functions in the GPU². In the same way, IH 7.0 makes improvements to the GPU’s Interrupt Handler that are likely linked to RDNA 4, and HDP 7.0 makes improvements to the Host Data Path, which is important for letting the CPU access GPU device memory through the PCIe BAR².

AMD updates its open-source Linux graphics driver for new GPU designs by releasing fixes one at a time, one component at a time. With this way, it’s hard to directly connect changes to certain IP block versions with new product releases before they’re even announced².

The big version changes for these IP blocks strongly suggest that they are connected to the RDNA 4 graphics design rather than adding more features to the RDNA 3 series. The new patches were released at the same time that AMD worked to allow GFX1200 in LLVM for GFX12 GPU hardware, which most likely refers to RDNA 4 graphics processors. This means that AMD’s Radeon RX 8000 series is definitely getting closer².

In conclusion, AMD’s important changes for its RDNA 4 and RDNA 3+ GPUs in the newest Linux graphics drivers are a big step forward in the tech world†. As time goes on, it will be interesting to see how this new development affects the future of computers and the image processing market.

Learn more

1wccftech.com

2tomshardware.com

3igorslab.de

4beebom.com

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