Screen flashing in HDR and fullscreen any window

Made short clip demonstrating the problem. https://youtu.be/dYvNJA1N--Y I have two screens, one of them is HDR (right) 10bit color and the left one is old ips, no hdr 8bit. Whenever i have anything, any program, app, game, in full screen or borderless. It will flicker/flash as shown on video when moving cursor to the other screen, or alt tabbing. But it never happens in windowed. For one of my game, i solved it by making it windowed, while having Titlebar and frame removed, and maximising width and height. So it pretends to be borderless. But is there any way to fix it other than getting second monitor that also supports HDR?
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16 Replies
Catson
CatsonOP2mo ago
Anyone has any ideas about that issue?
Lance
Lance2mo ago
Yes I have one HDR one not HDR
Catson
CatsonOP2mo ago
and does it do the same? @Lance put firefox on fullscreen (f11) on the one WITH hdr and move cursor between realised, It flashes when cursor is normal, but when u move it quickly back and forth, there is that function that enlarges the cursor. And while its enlarged, it doesnt flash anymore. werd af
Lance
Lance2mo ago
My flashing is on mouse input and in the game not in a browser
Catson
CatsonOP2mo ago
not when u try what i have on video? interesting
Lance
Lance2mo ago
Have not tried yet in game After having closed and then opned throne again flashing is back I cant do the thing you showed though my mouse is locked to throne Click drag flash
Catson
CatsonOP2mo ago
ye, it doesnt for me anymore ikn thrones, and im not willing to fight with it again I wish tho there was some solution in general, to that flashing, HDR related
Lance
Lance2mo ago
The only two fixes I have found so far is play in windowed not full screen or disable desktop HDR
Lance
Lance2mo ago
@Catson https://youtu.be/ME52xEbb5gA have you had this issue where it does that jump to the left in the end and then back
Lance
Lance2mo ago
Happens to me A LOT
Catson
CatsonOP2mo ago
Maybe related to skill u used, dm next time. Never happen to me
Lance
Lance2mo ago
@Catson Do you have a freesync display?
Catson
CatsonOP2mo ago
Both disabled
Lance
Lance2mo ago
Following this: https://forum.garudalinux.org/t/hdr-with-vrr-causing-gama-brightness-flicker/43069/5 I tried the command with adaptive sync on and I got the same issue but disabling VRR on my monitor I didnt have flicker in this one test
Garuda Linux Forum
HDR with VRR causing Gama/brightness flicker
Mate, many thanks for trying to replicate/test and help out on this! Much appreciated, I own you a beer just for trying. I was actually able to fix this believe it or nor… One of the KDE devs replied to the BUG and pointed it could be a gamescope issue to try to disable HDR in gamescope and run the game. He has right, even if HDR is disab...
Lance
Lance2mo ago
No flashing in world of warcraft either with VRR disabled (this is on the monitor disabled not in the OS)
Catson
CatsonOP2mo ago
Unbelieveable... It actually worked.... Bought cheap monitor with HDR for a side, to replace my old one And it does not flash anymroe when both monitors running hdr

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