SUBSYSTEM=="backlight", ACTION=="add",
RUN+="/bin/chgrp video /sys/class/backlight/amdgpu_bl1/brightness",
RUN+="/bin/chmod g+w /sys/class/backlight/amdgpu_bl1/brightness"
RUN+="/bin/chgrp video /sys/class/backlight/amdgpu_bl0/brightness",
RUN+="/bin/chmod g+w /sys/class/backlight/amdgpu_bl0/brightness"