Update:
I tried to remove my original xorg.conf with EDID settings and use nvidia-settings to generate a new xorg.conf. I come back to the same old problem. EDID settings are still need in xorg.conf with 260.19.26 driver. Hope it will improve in future.
Update:
I tried to remove my original xorg.conf with EDID settings and use nvidia-settings to generate a new xorg.conf. I come back to the same old problem. EDID settings are still need in xorg.conf with 260.19.26 driver. Hope it will improve in future.