[Powerpc] Sam460ex Canyonlands issue -Kernel 4.4.6-rc1

[Michel Dänzer]

On 29.03.2016 08:47, Julian Margetson wrote:
> 
> Seeing the following when booting kernel 4.6-rc1 on Acube Sam460ex Canyonlands board.
> This loops for a few times then the kernel boots.
> No problem with the 4.6-rc1 with an A-eon Tabor Freescale e500v2 board.
> 
> Regards
> 
> Julian
> 
> 
>  [    2.197839] ------------[ cut here ]------------
>  [    2.197850] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_irq.c:1368 drm_vblank_off+0x2c/0x1e0

That's

	if (WARN_ON(pipe >= dev->num_crtcs))

My best guess is that drm_vblank_off is called before drm_vblank_init,
so dev->num_crtcs is still 0.


Please provide the full dmesg output corresponding to the problem.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer