Hi Laurent, I've had some interesting failures on the VSP1 tests on the M3-N board. - vsp-unit-test-0015.sh Testing SRU scaling from 1024x768 to 1024x768 in RGB24: fail Testing SRU scaling from 1024x768 to 2048x1536 in RGB24: fail Testing SRU scaling from 1024x768 to 1024x768 in YUV444M: fail Testing SRU scaling from 1024x768 to 2048x1536 in YUV444M: fail - vsp-unit-test-0023.sh Testing histogram HGT with hue areas 0,255,255,255,255,255,255,255,255,255,255,255: fail Testing histogram HGT with hue areas 0,40,40,80,80,120,120,160,160,200,200,255: fail Testing histogram HGT with hue areas 220,40,40,80,80,120,120,160,160,200,200,220: fail Testing histogram HGT with hue areas 0,10,50,60,100,110,150,160,200,210,250,255: fail Testing histogram HGT with hue areas 10,20,50,60,100,110,150,160,200,210,230,240: fail Testing histogram HGT with hue areas 240,20,60,80,100,120,140,160,180,200,210,220: fail - vsp-unit-test-0025.sh Testing copying 1024x768 in RGB24: fail Testing copying 128x128 in RGB24: fail Testing copying 128x1 in RGB24: diff: /tmp/frame-*.bin: No such file or directory mv: cannot stat '/tmp/frame-*.bin': No such file or directory fail Testing copying 1024x768 in ARGB32: fail Testing copying 128x128 in ARGB32: fail Testing copying 128x1 in ARGB32: diff: /tmp/frame-*.bin: No such file or directory mv: cannot stat '/tmp/frame-*.bin': No such file or directory fail The frames on test 15 are 'flipped' vertically, while on test 25, they are rotated. Please see the reference image and resulting output at: https://ibb.co/fjPpkK https://ibb.co/mfybXz I'm sure I haven't seen this issue on the H3, so this could be an M3-N specific issue. Oddly, a later test (25, which I've posted earlier today) fails, because the images are rotated 90* to the left ... So it seems like there is certainly some uninitialised or confused state on the ROT bits somehow. For reference, this is on my branch du/2018q3 on my rcar.git repo. Commit 889e6d80c9f0eef433cfa1828c9a9d32a78479c2 which is based upon your drm/du/next branch. -- Regards -- Kieran