Why open source rocks – a new SM750 (Silicon Motion GPU) HDMI Driver

2026-08-30 | original

read original more articles

Why This Matters

This article highlights the development of an open-source Linux HDMI driver for the SM750 GPU, enabling enhanced display capabilities such as 2048-wide output and ultrawide resolutions. It underscores the importance of open source in providing tailored, flexible solutions for niche hardware, fostering innovation and extended hardware lifespan in the tech industry. Consumers and developers benefit from improved performance, customization, and community-driven support for specialized graphics hardware.

Key Takeaways

Supports specific SM750 HDMI PCIe cards with detailed hardware requirements.
Requires Linux kernel 6.17 or newer for optimal functionality.
Enables advanced display modes and performance optimizations through open-source drivers.

SM750 HDMI DRM Driver

Push this card to real 2048-wide output or a software-scaled 2560x1080 ultrawide desktop, with bandwidth-saving colour conversion and update optimisations for smoother performance.

Linux display driver for the single-HDMI SE-DP750A-HDMI PCIe card.

Experimental: this driver is for one specific SM750 board. Optional modes can exceed published GPU or monitor clock limits and may produce no signal, distortion, or an unstable display. Keep SSH or another recovery route available when trying non-EDID modes.

Is my card supported?

The tested board is sold or marked as SE-DP750A-HDMI and has all of these:

Silicon Motion SM750G10-AC , revision A1

, revision A1 PCI ID 126f:0750

Silicon Image/Lattice SiI9024ACNU HDMI transmitter

HDMI transmitter 16 MiB display memory

... continue reading

Explore topics: sm750 silicon motion hdmi driver linux mint pcie