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Full Version: Custom Resolution Utility (CRU)
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I have a metabox P650RS-G laptop with a 4k Screen that has G-sync. Would I be able to scale it down to 108P without having blur?
Hi ToastyX,

first thank for your great soft!
I have a question:
In the hdr metadata block, what does it mean to be "traditional gamma -sdr" (checked for me)
and "traditional gamma -hdr" (unchecked) ?

Also is it possible to create a dynamic metadata profil with CRU?
Hey guys, I was hoping someone could help me out with this one...
I'm using a HDTV connected via HDMI, and for some reason, fullscreen applications (games) cause the tv to fully restart when I launch them. Some of them, like RE2 Remake, causes it to restart even by going to the options menu. Even changing display settings on Nvidia control panel does it.
So today I found out about CRU, and deleting the extention blocks fixed this issue!
The problem is, since it is now recognized as a DVI connection, full range RGB is enabled. My tv doesn't really like fullrange and the colors get all messed up and oversaturated.

Is there anything I can do to make this work? Make it appear as DVI and keep limited range? Or maybe some combination that can stop it restarting when going fullscreen?
I already tried everything possible on the nvidia control panel.
(10-05-2019 04:13 PM)Tchernobog Wrote: [ -> ]The problem is, since it is now recognized as a DVI connection, full range RGB is enabled. My tv doesn't really like fullrange and the colors get all messed up and oversaturated.

Is there anything I can do to make this work? Make it appear as DVI and keep limited range? Or maybe some combination that can stop it restarting when going fullscreen?
Unfortunately, the graphics driver won't offer a limited range option with DVI, and using custom color settings won't affect full screen games.

Two things you can try:

1. Try adding a CEA-861 extension block with only HDMI support in it. The actual resolution shouldn't ever change if you only have one detailed resolution for the native resolution and no other resolutions. If this still triggers the problem, then the TV is doing something weird with HDMI.

2. Edit the detailed resolution and try "LCD reduced" timing. The TV might treat that differently and display the correct colors.
(10-05-2019 07:41 AM)RV59 Wrote: [ -> ]In the hdr metadata block, what does it mean to be "traditional gamma -sdr" (checked for me)
and "traditional gamma -hdr" (unchecked) ?
It just describes whether the monitor supports traditional gamma with SDR and HDR luminance ranges.

(10-05-2019 07:41 AM)RV59 Wrote: [ -> ]Also is it possible to create a dynamic metadata profil with CRU?
Not currently. The HDR dynamic metadata block is a bit complicated to implement and not really useful to edit.
Thanks for theses informations.
(10-05-2019 05:48 PM)ToastyX Wrote: [ -> ]Unfortunately, the graphics driver won't offer a limited range option with DVI, and using custom color settings won't affect full screen games.

Two things you can try:

1. Try adding a CEA-861 extension block with only HDMI support in it. The actual resolution shouldn't ever change if you only have one detailed resolution for the native resolution and no other resolutions. If this still triggers the problem, then the TV is doing something weird with HDMI.

2. Edit the detailed resolution and try "LCD reduced" timing. The TV might treat that differently and display the correct colors.

Hi ToastyX, thanks for your help. Unfortunately this doesn't work either.
Here's what happens when I launch RE2: https://streamable.com/z03m0

Like you said, there must be something wrong with the tv.
I guess I'll just have to invest in a monitor.
PLEASE READ THIS:

Since AMD driver version 17.11.3 Freesync Enabled through CRU doesnt work, screen goes black, I suspect AMD added some reader of CRU source code and when it finds it, it criples it. So could anyone try to lower CRU signature so that AMD drivers do not find traces of CRU Utility, that way I think black screen would not appear anymore, it works fine with v17.11.0 but not with later versions of drivers.
(10-07-2019 08:59 AM)DigDeep Wrote: [ -> ]Since AMD driver version 17.11.3 Freesync Enabled through CRU doesnt work, screen goes black, I suspect AMD added some reader of CRU source code and when it finds it, it criples it. So could anyone try to lower CRU signature so that AMD drivers do not find traces of CRU Utility, that way I think black screen would not appear anymore, it works fine with v17.11.0 but not with later versions of drivers.
Not true. Black screen means your monitor is not handling FreeSync correctly. You should not need to use CRU to enable FreeSync on a FreeSync monitor.
(10-07-2019 12:53 PM)ToastyX Wrote: [ -> ]
(10-07-2019 08:59 AM)DigDeep Wrote: [ -> ]Since AMD driver version 17.11.3 Freesync Enabled through CRU doesnt work, screen goes black, I suspect AMD added some reader of CRU source code and when it finds it, it criples it. So could anyone try to lower CRU signature so that AMD drivers do not find traces of CRU Utility, that way I think black screen would not appear anymore, it works fine with v17.11.0 but not with later versions of drivers.
Not true. Black screen means your monitor is not handling FreeSync correctly. You should not need to use CRU to enable FreeSync on a FreeSync monitor.


It is true, because it works fine on v17.11.3. so if it works fine on v17 and not on v19 then AMD has done something to the drivers. Monitor is not freesync.
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