Custom Resolution Utility (CRU)

[joevt]

(03-24-2020 11:28 PM)sparkles38 Wrote:  Hi guys. I'm in trouble with Freesync 2 HDR(It's grayed out in games). After i use cru there is no more 12 bpc color depth option in radeon settings. Only have 6,8,10. I tried to change pixel format to Full rgb, yCbCr but it didnt showing up. I only changed refresh rate 144 to 143 in cru for might be solve flickering problem but didn't work.

My monitor 27Samsung chg70.

I did ''reset all'' but no luck. update graphic driver, DDU still nothing changed.

Btw, does anyone know what this monitor's standart mode freesync range is ? Mine is 120-144 but ultimate 48-144. I dont know if it changed after messing up with this program.

Is there anyway to return factory settings?

Do you know how many extension blocks the EDID of the Samsung has? CRU only deals with 3 which should be enough for most displays, but some displays have more extension blocks.

It would be useful to have a copy of the original EDID and the one created by CRU to see how it was changed. Post the hex or binary of each. Maybe try Monitor Asset Manager (moninfo.exe) also to make sure CRU is exporting the whole thing.

[phufbq]

Hello ToastyX,

I'm hoping you can help me out as I am in a pickle.

What is wrong with my default monitor behavior?
For the most part, my monitor works great. My main issue is that my Freesync range is a bit high, and I would like to lower it. If I leave my Freesync range at 50-144, I quite often get these screen flickers at high GFX settings (single-player gaming settings, not competitive).

What do I want to achieve?
I have noticed that I can lower the Freesync Range to 40-143 using CRU. This means I get less flickering and I can run my GPU at a lower frame rate for games that don't move very fast using the "AMD Chill" setting.

How am I attempting to make this change?

1. Open CRU
2. Select the active record
3. Hit "Edit"
4. Edit the Freesync range from 50-144 -> 40 ->143
5. Close CRU, and execute Restart.exe
   

What is going wrong with it?
The Freesync range is applying correctly, and I do get less flickering. However, I am getting two unpleasant side effects. Both of these side effects occur when I wake up my machine from sleep.

1. When the monitor starts it is half as bright. The brightness setting on the monitor is unchanged.
2. The Windows "Native Resolution" and "Recommended Scaling" change to strange values. From 2560x1080 -> 640x480, from 100% scaling to 150% scaling recommendations.
   

The brightness can be fixed by restarting the graphics driver using Restart.exe. The Native Resolution can be fixed by reset-all.exe (but then I lose my changes).

Specifications
Monitor: GSM76FE - LG ULTRAWIDE
Native Res: 2560x1080
Native Freesync Range: 50-144
Max Hz: 144
GPU: Sapphire AMD RX Vega 56 Pulse (Undervolted, +50% P/L)
GPU driver: 20.2.2

Thank you for any help and guidance you can offer. I have attached my CRU export to this post.

Kind regards,
phufbq

[ToastyX]

(03-25-2020 08:43 PM)phufbq Wrote:  What is going wrong with it?
The Freesync range is applying correctly, and I do get less flickering. However, I am getting two unpleasant side effects. Both of these side effects occur when I wake up my machine from sleep.

1. When the monitor starts it is half as bright. The brightness setting on the monitor is unchanged.
2. The Windows "Native Resolution" and "Recommended Scaling" change to strange values. From 2560x1080 -> 640x480, from 100% scaling to 150% scaling recommendations.
   

The brightness can be fixed by restarting the graphics driver using Restart.exe. The Native Resolution can be fixed by reset-all.exe (but then I lose my changes).

The problem sounds like a driver bug since it only happens after waking up from sleep, so I don't know what you can do to work around it.

[phufbq]

I've just spotted something curious. The mouse cursor is the right colour (a bright white), but the rest of the screen is kind of half brightness. I wonder if it is just the GPU driver, or somehow Windows related.

[ToastyX]

(03-28-2020 08:24 PM)phufbq Wrote:  I've just spotted something curious. The mouse cursor is the right colour (a bright white), but the rest of the screen is kind of half brightness. I wonder if it is just the GPU driver, or somehow Windows related.

That sounds like HDR is on.

[lolitro]

Hey guys i need your help.

I want to use 1280x960 for CSGO but my AMD dont show this.

What are the best timings for 240hz with display port? Standar, reduced, native or any extension blocks? +/- or -/+ for Displayport?

Thanks.

[ToastyX]

(03-30-2020 01:13 PM)lolitro Wrote:  I want to use 1280x960 for CSGO but my AMD dont show this.

What are the best timings for 240hz with display port? Standar, reduced, native or any extension blocks? +/- or -/+ for Displayport?

There is no best. Just use whatever works. If you enable GPU scaling, then the timing parameters don't matter.

[lolitro]

(03-30-2020 01:25 PM)ToastyX Wrote:  

(03-30-2020 01:13 PM)lolitro Wrote:  I want to use 1280x960 for CSGO but my AMD dont show this.

What are the best timings for 240hz with display port? Standar, reduced, native or any extension blocks? +/- or -/+ for Displayport?

There is no best. Just use whatever works. If you enable GPU scaling, then the timing parameters don't matter.

Not gpu scaling, +/- or -/+?

[ToastyX]

(03-30-2020 01:56 PM)lolitro Wrote:  Not gpu scaling, +/- or -/+?

Doesn't matter.

[Rod's]

Hi ToastyX!

After using the alternative method, I can't get any of the custom res/hz to show up after restart.

Laptop: ThinkPad X220 2nd Gen.
GPU: Intel HD Graphics 3000
Driver: 15.28 (latest available in Intel's site)

Is my laptop incompatible with CRU?

These are the default settings: