AMD adds GDDR7 support to its Linux GPU driver
AMD has begun adding support for GDDR7 memory and several new IP blocks to its open‑source Linux kernel driver. The patches, reported by Phoronix, include identification of GDDR7, IH 8.0 interrupt handler, NBIF 7.10 bus interface, DCN6 display core, and GFX 13.0.x graphics engine. These changes suggest software enablement for AMD’s next‑generation standalone GPUs.
Key points
- AMD added GDDR7 identification and patches for IH 8.0 and NBIF 7.10 to its open‑source Linux kernel driver.
- The driver updates also include DCN6 and GFX 13.0.x support, hinting at upcoming RDNA 5 GPUs.
- AMD has not disclosed launch timing; the changes indicate preparation but not an imminent product release.
The company has not named the architecture, but analysts link the updates to the upcoming RDNA 5 project, which would follow the current RDNA 4‑based Radeon RX 9000 series that use GDDR6. Lead architect Laks Pappu was listed in August 2025 as heading next‑gen datacenter and discrete GPU platforms, hinting at chiplet‑based or monolithic designs. While the driver work points to new hardware, AMD says no launch schedule and the patches do not guarantee an imminent product release.
AMD’s typical GPU development cycle spans roughly 2.5 to 3.5 years, so the RDNA 5 silicon could already be in tape‑out or early post‑tape‑out stages according to the timeline mentioned. The company also warned that a surge in AI‑driven memory demand might strain GDDR7 supply, potentially affecting consumer availability. No official specifications or launch dates have been confirmed, so the driver updates should be taken as an early indication rather than a firm product roadmap.
The story so far
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AMD begins to add GDDR7 support to its Linux GPU drivers
Tom's Hardware · 23 September 2026
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