Custom Resolution Utility (CRU)

[Mussels]

(04-03-2023 02:16 AM)ToastyX Wrote:  

(03-30-2023 04:55 AM)Mussels Wrote:  * Some combinations allow 10 bit colour while others don't - is there any way to know what the limit is there? Does it just need X bandwidth spare?

That would depend on the bandwidth available. Pixel clock limit would be <pixel clock limit> * 8 / <bpc>, so like DisplayPort HBR2 would be 720 MHz * 8 / 10 bpc = 576 MHz, and HDMI 2.0 would be 600 MHz * 8 / 10 = 480 MHz. You might need to go a few MHz lower with NVIDIA for some reason. If that doesn't work, then it's purely a driver or GPU limitation.

(03-30-2023 04:55 AM)Mussels Wrote:  1. Is there any recommended settings to adjust like the horizontal rate in the Gsync/Vsync settings? - i've seen no guides mention this, other than one standalone post from ToastyX to state keeping it at a static value

Horizontal rate in the range limits doesn't matter and isn't used for anything as far as I know. Variable refresh rate uses the maximum refresh rate's timing parameters as the base.

(03-30-2023 04:55 AM)Mussels Wrote:  2. Is that tearing me putting the wrong porch/sync width settings in, or is that just the limit of the display? I've tried the different preset profiles and some random adjustments, but no luck improving that.

Tearing example:
https://imgur.com/a/A3oD2Px (it moves up and down depending on screen content/brightness)

Edit: Okay this ones dumb yet weird. It was Fast vsync being enabled, despite the game being DX12 causing the flicker. I reset all monitor settings to default and the problem still existed, leading to finding out that fast vsync was the issue somehow. Go figure?

That's weird. I would have thought that was a monitor limitation. That sounds like a driver bug.

Thanks, that math is beyond my abilities, but gave me guidelines to work within

I assume it's because the game can run DX11 or DX12, it's accidentally forced a DX11 only setting onto the game, when enabled.

Is it worth expanding the porch settings/blanking if i cant do large steps?
Is there a math behind it to make it only useful in certain combinations, or just go as high as it allows?