Custom Resolution Utility (CRU)

[Poilaucul]

(11-17-2023 02:21 AM)ToastyX Wrote:  

(11-15-2023 11:46 PM)Poilaucul Wrote:  Hi,

A bit of context first, I use OBS to stream my desktop via display capture source, the stream is running almost 23/5, as you can imagine sometimes I'm not active on the computer and during that time I use Display Power Off Utility to trigger Windows turning my displays off, this has the advantage of being instantaneous and most importantly not modifying the placement of my opened windows when I get back on the computer, and that's really important to me.

The issue I'm facing is during the time my screen is off programs that are in foreground have their graphics frozen and I would want them to refresh as if I was one the computer screen on.

Everything works perfectly as I want it to when I turn my screen off via their power buttons (but still powered via wall socket)....until DisplayPort rapid hot plug detect kicks messes everything up.

You can learn more about the issue there
https://www.datapro.net/techinfo/hot_plu...ction.html
https://hackaday.io/project/170643-edido...rt-hotplug

So, I looked for solutions to keep my displays attached while powered off, so far it's either:

- Buy an hardware EDID stopper, which doesn't support 4K@60fps
- Buy a Quadro GPU to do EDID emulation of connected display
- Have CRU do it

Last solution is my favorite but frankly I don't know what the f I'm doing, and I don't even know if CRU can do what I want so I need your help guys please.

How do I set CRU to stop Windows from disconnecting my displays when I turn them off?

CRU does not emulate displays, so it can't stop the display from disconnecting. The issue with graphics freezing while the screen is off seems odd to me because graphics should continue to render unless it's a vsync issue. The only idea I have involving CRU is an odd one that I haven't suggested before so I don't know the success rate: try adding the resolution you want with a 5 Hz refresh rate and see if the monitor turns off when you apply 5 Hz. That way Windows will think the monitor is still turned on at the native resolution, but any programs that use vsync might render at 5 Hz. If that works for you, then you can add hotkeys to change refresh rates using this program: https://funk.eu/hrc/

The only other idea I have is using an HDMI EDID emulator that supports 3840x2160 @ 60 Hz. You don't have to hook up a display to it. You can just connect it like a second monitor and set Windows to duplicate the displays (make sure to set the same resolution and scale for the EDID emulator first). Then if the display disconnects, the EDID emulator should still be active to keep the resolution active. I know for sure this one works: https://www.amazon.com/dp/B07YMTMMH5/?tag=mtests-20#ad

Good idea, I ordered a DP 4k@60 EDID dummy emulator yesterday.
Don't you think windows will rearrange when one of the turned off monitors disconnects? as i have two DP monitors how will windows know which monitor to move windows to?

[BreadedToast]

Specs:
1660 Super
16 gb ram
AMD ryzen 3700
b450m BAZOOKA MAX
Monitor: Nitro VG240Y S Widescreen Gaming LCD Monitor

I have display scaling and gpu scaling. Before clicking restart64
I have display scaling, however, after it changes to GPU scaling.
im trying to lower the resolution, not increase.
Any help/solutions is much appreciated
[attachment=1291]
   

[ToastyX]

(11-17-2023 03:29 PM)evgs Wrote:  I try to do same job on second netbook (GMA3150) using standard method or EXE-export, but no luck.

Intel's driver doesn't allow EDID overrides for some laptop screens for some reason. The ION2 version probably uses NVIDIA's driver in ION2 mode.

(11-17-2023 04:42 PM)evgs Wrote:  But i have a doubt, did I do it right way?
I've copy-paste all the parameters (front porch, sync width, back porch) from existing 60Hz mode, which actually presents at default EDID

Is it correct? Maybe i need different parameters?

If it displays correctly, then it doesn't matter. Usually for laptop screens, the timing parameters for the default resolution will be the most compatible.

[ToastyX]

(11-17-2023 03:50 PM)leandroromao86 Wrote:  Tried it but got no luck. Windows still says monitor does not support HDR. Funny fact is that it supports HDR via HDMI, but at a much lower frame rate and I lose FreeSync support (VRR).
Do I have any other options?

Try the alternative method for Intel GPUs (.exe export). If that doesn't help, you'll have to ask Intel why EDID overrides don't work if it's an EDID problem. The other stuff won't make a difference.

[ToastyX]

(11-17-2023 09:41 PM)Poilaucul Wrote:  Good idea, I ordered a DP 4k@60 EDID dummy emulator yesterday.
Don't you think windows will rearrange when one of the turned off monitors disconnects? as i have two DP monitors how will windows know which monitor to move windows to?

I'm not sure how it would work with multiple monitors. As long as the desktop layout remains the same starting from the top left corner, the window coordinates should remain the same.

[ToastyX]

(11-19-2023 10:52 PM)BreadedToast Wrote:  I have display scaling and gpu scaling. Before clicking restart64
I have display scaling, however, after it changes to GPU scaling.
im trying to lower the resolution, not increase.
Any help/solutions is much appreciated

You changed the native resolution to 1720x1080, and you have no lower resolutions to scale. The native resolution is already sent to the display regardless of the GPU scaling setting. You can verify this in the monitor's menus. It should report the resolution it's receiving somewhere.

[leandroromao86]

(11-20-2023 05:17 AM)ToastyX Wrote:  

(11-17-2023 03:50 PM)leandroromao86 Wrote:  Tried it but got no luck. Windows still says monitor does not support HDR. Funny fact is that it supports HDR via HDMI, but at a much lower frame rate and I lose FreeSync support (VRR).
Do I have any other options?

Try the alternative method for Intel GPUs (.exe export). If that doesn't help, you'll have to ask Intel why EDID overrides don't work if it's an EDID problem. The other stuff won't make a difference.

Tried the .exe export method and it didn't work either.
Guess the better option is to test other brands of monitors and get rid of LG once and for all if find out they are really the ones to blame.
Thanks for the help, I really apreciated.

[Aeropro]

I have a lenovo laptop with model 14kib, so for some time i was using an older driver of intel as it supported custom resolution but then it started to create some issue and performance bottleneck or something and had to switch to a new driver but as ya know intel command centre removed custom resolution so I used cru as my only way to add custom resolution and after some research and experiments I was able to get the resolution of 768x432 but i want 1024x576 and it doesn't just show in supported modes listed in intel command centre while other resolutions included the 768x432 one was also there, so pls can anyone help? I am wandering for 2 weeks for a solution

[leandroromao86]

(11-20-2023 05:17 AM)ToastyX Wrote:  

(11-17-2023 03:50 PM)leandroromao86 Wrote:  Tried it but got no luck. Windows still says monitor does not support HDR. Funny fact is that it supports HDR via HDMI, but at a much lower frame rate and I lose FreeSync support (VRR).
Do I have any other options?

Try the alternative method for Intel GPUs (.exe export). If that doesn't help, you'll have to ask Intel why EDID overrides don't work if it's an EDID problem. The other stuff won't make a difference.

Intel gave me this answer:

"Thank you for your time. Answering your question we do not support EDID overrides, so at the moment it would be better to wait for a possible fix that LG could release or you can continue to work with the CRU team for possible workarounds, however, this has been classified as a compatibility problem coming from the monitor manufacturer and so far the fix will need to come from their side."

I'm really out of luck!

[franco1958]

I wanted to ask if you could helpo me out please.
i have a laptop lenovo thinkpad z13, with AMD Ryzen 7.
usually i cannot use monitoirs with refresh rate of 60hrz, but i have to bring them up to 65hrz at least or even lower at 50hrz or less. as i have a condition called photosensitivity and at 60hrz gives me headache.

usually i manage using CRU to change the laptop refresh rate. However with th9is particular monitor, i iuse CRU, and gives me the varpus others refresh rate values, but when i try to change them, the display always comes back with 60hrz.
any hep you could give me is very welcome.
i like this laptop and wish i can use it, but i cannot unless i manage to solve this issue.

thank you
franco1958