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DSR and custom resolutions not working?

post #1 of 8
Thread Starter 
I just noticed when I wanted to enable a 1.50x DSR on my 780 Ti that I couldn't...
Yeah well, I could, but it would disable my custom resolution and say that DSR has to be disabled for a custom res to work.

Why would this even be a problem.. The GPU knows how many pixels it has to render. Even in a custom reso. Multiplying that isn't rocket science... ?

Also, my resolution isn't even that custom as all it is is the stock 1080p resolution edited for 75Hz as my screen (easily) does 75Hz @ 1080p and also, it's on HDMI and with the stock 1080p resolution it only has limited RGB colorspace. With a custom reso you get Full RGB like it should be. It's because it recognizes a HDMI screen as a TV and will only do Limited RGB then unless you run a custom res.

What are your thoughts on this?

Is there any way to maybe make DSR work with a custom res? or can I maybe edit the drivers in such a way the stock 1080p reso is 75Hz and with Full RGB (A.k.a. screen has to be ''PC'' not ''TV''?)
Thundahcat.
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Thundahcat.
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post #2 of 8
You can take a look at ToastyX's CRU (Custom Resolution Utility). I couldn't find a direct answer to whether or not you could specify a refresh rate with the resolution, but it could be worth a look for you.
ASRock E3G3
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ASRock E3G3
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post #3 of 8
I have the exact same issue. I run 75hz custom 1080p res normally then when I enable DSR it drops it all down to 60hz... Which for me, is a big difference...
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post #4 of 8
Same problem here!
Im with a triple PLP screen setup with a 42" Sony KDL w805 in landscape and two 24" Benq monitors in portrait so i must create custon resolutions with the 2 Benqs to match the KDL height resolution.
Turning on DSR disable my custom resolutions!That's really disappointing!
post #5 of 8
Thread Starter 
Yeah it really disappoints me as well..

My biggest problem is not really my refresh rate. I cna play games @ 60Hz fine. But the fact nVidia still doesn't allow Full RGB color profiles over HDMI on standard resolutions is horrible..
My screen already is cheap and has bad colors so it get's even worse on Limited RGB... The only way to get full RGB is with a custom resolution..

In BF4 I can use the in-game resolution scale option (running 125% now so my FPS stays above 75 at all times) but for games like CS:GO or Payday 2 which I play a lot as well there's nothing I can do now.
Thundahcat.
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Thundahcat.
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post #6 of 8
Did you try the Custom Resolution Utility?
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ASRock E3G3
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post #7 of 8
Sorry to dig this thread out, but I figure is best that I ask here then creating another topic.

I'm having problems with DSR regarding ALT+TAB. Every time I ALT+TAB out of a game where DSR is enabled, when I come back the game is back to 1080P resolution.

Anyone experiencing this? Is it normal behavior?

My system is at 1080P as don't wanna use DSR for anything other than gaming, could that be the culprit?
post #8 of 8
Hi,

Try importing the extension block file.. DSR may work on your custom resolution!

For example: If you have 1920x822 as your native res and then 3840x1644 as your x4 ..
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