It seems PRMs(https://01.org/linuxgraphics/documentation/driver-documentation-prms) doesn't have descriptions for registers like following? ^_^ #define EDP_PSR_BASE(dev) 0x64800 Thanks, Seven Li _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx