how do I fix flickering issue? performance is not impacted

[chaiki5topo]

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Platform / OS / Hardware: Samsung galaxy a54, android 14

Flycast version: Version v2.4-1-ge221f6fed

Hardware: Mali-G68, ARM64

Description of the Issue
I'm using vulkan with per pixel settings.
there is flickering issues in the background, like glitchy effects, as seen in this closed thread #1014 (comment)

I'm having the same issue

Debugging Steps Tested

• tries turning on and off full frame buffer which fixes it but makes my game lag alot, even if it's a small game/2d etc
• tried enabling duplicate frames
• tried increasing per pixel settings
• Tried turning on and off advanced setting in video tab

Logs Gathered

Please paste the contents of the log / logs here
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Screenshots

(#1014 (comment))

[flyinghead]

This is a Mali GPU issue, not a flycast problem.