Hi everyone, I’m sharing a fix for sporadic graphical glitches occurring with the AMD Radeon RX 7900 XTX on CachyOS. The Issue I encountered random, horizontal flashing lines (flickering) on a Gigabyte M32UC (4K @ 144Hz). These are not standard rendering artifacts; they are synchronization issues in the driver’s Display Core, typically caused by aggressive power-saving mechanisms like Panel Self Refresh (PSR) or memory clock downclocking. Diagnosis Checking dmesg showed Display Manager (DM) w...