This file lists the display configurations that Screen is using.
The dpy-1 file in /dev/screen/0/ shows the configurations of the display that Screen is currently using.
From your target, you can see the display configurations that Screen is currently using by looking at the dpy-display_id file in /dev/screen/0/. The values you see from this file are the values that are currently used at the moment when you cat the file.
# cat /dev/screen/0/dpy-1
device id = 1 port id = 1 port type = HDMI WFD_QNX_bchs extension = 0 WFD_QNX_vsync extension = 1 WFD_QNX_port_mode_info = 1 WFD_QNX_cbabc = 1 active = 1 device_id = LLG-4615-0-2010-1 video mode = 1280 x 720 @ 60 (progressive) native resolution = 1280 x 1024 physical size = 360 x 290 detachable = 1 protection enabled = off rotation support = WFD_ROTATION_SUPPORT_NONE rotation mode = blits rotation = 0, 0 fill port area = 0 writeback = 0 destination = WFD_INVALID_HANDLE gamma range = [1 .. 1] gamma = 1 aspect ratio = 0:0 refresh = 0 formats = rgba8888 rgbx8888 nv12 power mode = SCREEN_POWER_MODE_ON mirror mode = disabled viewport = (0,0 0x0) cbabc mode = WFD_PORT_CBABC_MODE_NONE_QNX updates = 0 counter = 1 priority = 15 rebuild = 1 splash = 0 background color = ff000000 transparent color = 00000000 capture buffer = (none) frame buffer = win-0 rotation buffer = (none) cursor = disabled cursor updates = 0 window manager = (none) composition module = pvr2d (loaded) effect module = (null) (not loaded) keep awakes = 0 focus = (none) scene = (empty) bypass = 0 dirty = (none) windows = (none) background = (0,0;1280,720) holes = (none) update mutex = 0x1615cc update condvar = 0x1615d4 plane 0 { pipeline id = 1 order = 2 scale range = [0.125 .. 7] rotation support = WFD_ROTATION_SUPPORT_NONE usage = SCREEN_USAGE_DISPLAY format = SCREEN_FORMAT_RGBX8888 cursor = off source = (none) } plane 1 { pipeline id = 4 order = 3 scale range = [1 .. 1] rotation support = WFD_ROTATION_SUPPORT_NONE usage = (none) format = SCREEN_FORMAT_RGBA8888 cursor = off source = (none) } metrics.total.attach = 1 metrics.total.power = 0 metrics.total.idle = 0 metrics.total.events = 0 metrics.delta.attach = 0 metrics.delta.power = 0 metrics.delta.idle = 0 metrics.delta.events = 0