Custom Resolution Utility (CRU)

[ToastyX]

(02-27-2026 12:40 PM)CheddarByte Wrote:  It's a no-brand displayport plug that I picked up from a local e-tailer, natively it supports 4k (3840) @ 60hz and I figured it would have been trivial to restructure that to 3440x1440

Would making an unsupported resolution result in it not being displayed within windows as a select-able option? Could I simply reduce the 'monitor' hz in a custom resolution?

Is the 4K @ 60 Hz with 4:4:4 chroma? Many DisplayPort dummy plugs are not really DisplayPort. They often act as single-link DVI or HDMI, so you might be hitting the 300.99 MHz pixel clock limit with Intel GPUs. Resolutions that exceed the pixel clock limit will not be listed. You can reduce the Hz to reduce the pixel clock.

[juanme555]

Toasty , if you do have an RX 9000 series gpu , could you check if the phantom resolution method can make it render interlaced on windows through hdmi? like you did with pascal gpus, make the progressive version of the interlaced resolution too and see if you can make it pop up on windows mode list.

Also would that work for RX 6000 ?

[ToastyX]

(03-02-2026 01:36 PM)juanme555 Wrote:  Toasty , if you do have an RX 9000 series gpu , could you check if the phantom resolution method can make it render interlaced on windows through hdmi? like you did with pascal gpus, make the progressive version of the interlaced resolution too and see if you can make it pop up on windows mode list.

Also would that work for RX 6000 ?

I don't. RDNA GPUs don't support interlaced at all.

[juanme555]

(03-02-2026 11:58 PM)ToastyX Wrote:  

(03-02-2026 01:36 PM)juanme555 Wrote:  Toasty , if you do have an RX 9000 series gpu , could you check if the phantom resolution method can make it render interlaced on windows through hdmi? like you did with pascal gpus, make the progressive version of the interlaced resolution too and see if you can make it pop up on windows mode list.

Also would that work for RX 6000 ?

I don't. RDNA GPUs don't support interlaced at all.

groovy linux distro official wiki states that rdna 1 2 and 3 support interlaced through hdmi and dp.

[ToastyX]

(Yesterday 05:49 AM)juanme555 Wrote:  groovy linux distro official wiki states that rdna 1 2 and 3 support interlaced through hdmi and dp.

The Windows driver doesn't have interlaced support for RDNA.