cat /sys/kernel/debug/dri/0/summary

vop name: ff900000.vop status=active
Display mode: 1280x1024 fps[75] clk[135000] type[64] flag[5]
    H: 1280 1296 1440 1688
    V: 1024 1025 1028 1066
win0-0: status=disabled
win1-0: status=disabled
win2-0: status=active
    format: AB24 little-endian (0x34324241)
    zpos: 0
    src: pos[0x0] rect[1280x1024]
    dst: pos[0x0] rect[1280x1024]
    buf[0]: addr: 0x000000000370e000 pitch: 5120 offset: 0
win2-0: status=disabled
win2-1: status=disabled
win2-2: status=disabled
win3-0: status=disabled
win3-0: status=disabled
win3-1: status=disabled
win3-2: status=disabled
vop name: ff8f0000.vop status=disabled