[Intel-gfx] [Intel HD 4400] strongly irritating artefacts on 2560x1440 laptop display

[Martin Wilck]

On 01/28/2015 10:45 AM, Jani Nikula wrote:

> Just a quick guess, what does this say:
> 
> # cat /sys/module/i915/parameters/enable_{fbc,ips,psr}

fbc: -1, ips: 1, psr: 0

> 
> Please try these module parameters for the non-zero ones:
> 
> i915.enable_fbc=0
> i915.enable_ips=0
> i915.enable_psr=0

These settings had no effect.
Thanks a lot anyway.

Martin