As you said to change the i915.enable_psr =0 i have save it to suno nano etc/kernal/cmdline after rebooting my pc there is more screen tearing problem.
yeah i am using ubuntu in 2 device one in my old lenovo g570 model and new lenovo yoga 7i and in G570 there is no problem such as screen tearing or brightness every thing is perfectly fine in g570
As you said to change the i915.enable_psr =0 i have save it to suno nano etc/kernal/cmdline after rebooting my pc there is more screen tearing problem.
yeah i am using ubuntu in 2 device one in my old lenovo g570 model and new lenovo yoga 7i and in G570 there is no problem such as screen tearing or brightness every thing is perfectly fine in g570