调试edp屏幕，这个是什么原因呢
[ 0.815884] panel-simple panel: Linked as a consumer to regulator.13
[ 0.815947] panel-simple panel: panel supply vsp not found, using dummy regulator
[ 0.816004] panel-simple panel: Linked as a consumer to regulator.0
[ 0.816029] panel-simple panel: panel supply vsn not found, using dummy regulator
[ 0.817139] midgard ff9a0000.gpu: Failed to get regulator
可能是你的硬件连接有问题，没有找到vsp