Linux 6.2 To Put The Raspberry Pi In Good Shape For 4K @ 60Hz Displays

Written by Michael Larabel in Raspberry Pi on 3 November 2022 at 05:08 AM EDT. Add A Comment
Since last year have been patches enabling the Raspberry Pi to output at 4K with a 60Hz refresh rate. But since Linux 5.18 at least some of the 4K handling had regressed for this budget Arm single board computer. With the Linux 6.2 cycle in December there are several 4K related improvements to the Raspberry Pi open-source display driver for addressing that prior regression as well as making the 4K monitor handling more robust.

Sent out today was the latest batch of drm-misc-next updates targeting the Linux 6.2 kernel and for now being queued into the DRM-Next tree. The Broadcom VC4 DRM/KMS driver most notably used by the Raspberry Pi single board computers has received several improvements.

Most notable with the Broadcom VC4 driver work for Linux 6.2 is fixing 4K @ 60Hz detection for the Raspberry Pi as well as reworking that 4K detection code in general, better core clock calculation, and other increased checks around 4K resolutions. Long story short, this should now put the Raspberry Pi in good shape with Linux 6.2+ for driving 4K displays.

This pull request of new DRM-Misc-Next material also has cursor improvements for VMware's VMWGFX driver, a new API for the Raspberry Pi firmware driver, various DRM core fixes, and other minor enhancements.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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