Created attachment 870558 [details]
xorg log file

install opensuse with hdmi. Display on koosmile p8 is black with a backlight on
upon boot. I believe it is intel i915 driver related here are some of the
errors displayed. 

Oct 31 04:14:57 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:14:57 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:16:59 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:17:00 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:17:39 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:18:04 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:18:05 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:18:06 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:19:14 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
hback porch < 16 pixels
Oct 31 04:27:03 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
Atomic update failure on pipe A (start=28466 end=28467) time 7 us, min 1271,
max 1279, scanline start 1280, end 1280
Oct 31 04:27:51 user-Default-string kernel: i915 0000:00:02.0: [drm] *ERROR*
Atomic update failure on pipe A (start=31353 end=31354) time 7 us, min 1271,
max 1279, scanline start 1280, end 1281



20: PCI 02.0: 0300 VGA compatible controller (VGA)              
  [Created at pci.386]
  Unique ID: _Znp.i4vzlYvwb6C
  SysFS ID: /devices/pci0000:00/0000:00:02.0
  SysFS BusID: 0000:00:02.0
  Hardware Class: graphics card
  Device Name: "Onboard - Video"
  Model: "Intel VGA compatible controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x46d1 
  SubVendor: pci 0x8086 "Intel Corporation"
  SubDevice: pci 0x7270 
  Driver: "i915"
  Driver Modules: "i915"
  Memory Range: 0x6000000000-0x6000ffffff (rw,non-prefetchable)
  Memory Range: 0x4000000000-0x400fffffff (ro,non-prefetchable)
  I/O Ports: 0x5000-0x503f (rw)
  Memory Range: 0x000c0000-0x000dffff (rw,non-prefetchable,disabled)
  IRQ: 127 (131010 events)
  Module Alias: "pci:v00008086d000046D1sv00008086sd00007270bc03sc00i00"
  Driver Info #0:
    Driver Status: i915 is active
    Driver Activation Cmd: "modprobe i915"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

Primary display adapter: #20


DSI-1 connected 1600x1000+0+0 right (normal left inverted right x axis y axis)
108mm x 172mm
   1000x1600     60.48*+
   800x600       60.25  
   640x480       60.00  
   320x240       59.52  
   960x600       60.29  
   928x580       60.13  
   800x500       60.46  
   768x480       60.42  
   720x480       60.27  
   640x400       59.95  
   320x200       58.96  
   864x486       60.38  
   720x400       60.22  
   640x350       59.77