[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-21 Thread Daniel Vetter
On Fri, Oct 21, 2016 at 04:21:53PM +0300, Nicolae Rosia wrote: > Hello, > > On Fri, Oct 21, 2016 at 3:27 PM, Daniel Vetter wrote: > > So yeah, "upgrade" is very likely is. > I see... > > i915.disable_power_well=0 seems to do the trick. > Is it safe to use? The kernel gets tainted because of this

[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-21 Thread Nicolae Rosia
Hello, On Fri, Oct 21, 2016 at 3:27 PM, Daniel Vetter wrote: > So yeah, "upgrade" is very likely is. I see... i915.disable_power_well=0 seems to do the trick. Is it safe to use? The kernel gets tainted because of this. Regards, Nicolae

[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-21 Thread Daniel Vetter
On Thu, Oct 20, 2016 at 05:09:52PM +0300, Nicolae Rosia wrote: > Hi, > > On Thu, Oct 20, 2016 at 3:57 PM, David Weinehall wrote: > >> > I get an udev event for unplugging, but there's no event generated for > >> > plugging the monitor back in. > >> > >> Does it work on non-RT? Does it work on v4.

[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-20 Thread Nicolae Rosia
Hi, On Thu, Oct 20, 2016 at 3:57 PM, David Weinehall wrote: >> > I get an udev event for unplugging, but there's no event generated for >> > plugging the monitor back in. >> >> Does it work on non-RT? Does it work on v4.8 or v4.9-rc1? > > The second one is relevant though. 4.1 is pre-historic, 4.

[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-20 Thread Jani Nikula
On Thu, 20 Oct 2016, David Weinehall wrote: > On Thu, Oct 20, 2016 at 03:28:10PM +0300, Jani Nikula wrote: >> On Thu, 20 Oct 2016, Nicolae Rosia wrote: >> > Monitor hotplugging seems to be broken on latest 4.1/4.4 RT kernel with >> > i915. >> > I have tested this on non-RT kernel and it works. >

i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-20 Thread Jani Nikula
On Thu, 20 Oct 2016, Nicolae Rosia wrote: > Monitor hotplugging seems to be broken on latest 4.1/4.4 RT kernel with i915. > I have tested this on non-RT kernel and it works. > I get an udev event for unplugging, but there's no event generated for > plugging the monitor back in. Does it work on no

i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-20 Thread Nicolae Rosia
Hello, Monitor hotplugging seems to be broken on latest 4.1/4.4 RT kernel with i915. I have tested this on non-RT kernel and it works. I get an udev event for unplugging, but there's no event generated for plugging the monitor back in. Any pointers are appreciated. Best regards, Nicolae

[Intel-gfx] i915 monitor hotplug on 4.1/4.4 PREEMPT

2016-10-20 Thread David Weinehall
On Thu, Oct 20, 2016 at 03:28:10PM +0300, Jani Nikula wrote: > On Thu, 20 Oct 2016, Nicolae Rosia wrote: > > Monitor hotplugging seems to be broken on latest 4.1/4.4 RT kernel with > > i915. > > I have tested this on non-RT kernel and it works. The answer to your first question seems to be here