Created attachment 114425 [details]
dmesg

==System Environment==
--------------------------
Regression: not sure, I am unable to find good commit

no-working platforms: BSW

==kernel==
--------------------------
drm-intel-nightly/3753ea527e539d3358a6368e77cb29ecb2e71c42
commit 3753ea527e539d3358a6368e77cb29ecb2e71c42
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Mar 17 22:36:04 2015 +0100

    drm-intel-nightly: 2015y-03m-17d-21h-35m-20s UTC integration manifest

==Bug detailed description==
-----------------------------
It fails on BSW. Test the latest drm-intel-nightly and drm-intel-next-queued kernel. 

output:
IGT-Version: 1.10-g505645c (x86_64) (Linux: 4.0.0-rc4_drm-intel-nightly_3753ea_20150318+ x86_64)
Testing connector eDP-1 using pipe C
Subtest universal-plane-pipe-C-functional failed.
**** DEBUG ****
Test requirement passed: !(pipe >= display->n_pipes)
Testing connector eDP-1 using pipe C
display: eDP-1: set_pipe(C)
igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258 [bpp=32], tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=1, pitch=7680)
igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258 [bpp=32], tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=2, pitch=7680)
igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258 [bpp=32], tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=3, pitch=7680)
igt_create_fb_with_bo_size(width=100, height=100, format=0x34325258 [bpp=32], tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=4, pitch=448)
display: C.1: plane_set_position(100,100)
display: C.0: plane_set_fb(51)
display: C.1: plane_set_fb(55)
display: commit {
display: }
****  END  ****
Subtest universal-plane-pipe-C-functional: TIMEOUT (5.046s)

real    0m5.152s
user    0m0.012s
sys     0m0.089s

==Reproduce steps==
---------------------------- 
1.time ./kms_universal_plane --run-subtest universal-plane-pipe-C-functional