Re: [Intel-gfx] [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Alex Deucher
On Mon, Feb 19, 2018 at 9:54 AM, Daniel Vetter wrote: > On Mon, Feb 19, 2018 at 03:47:42PM +0100, Lukas Wunner wrote: >> On Mon, Feb 19, 2018 at 03:05:53PM +0100, Daniel Vetter wrote: >> > On Mon, Feb 19, 2018 at 12:58:17PM +0100, Lukas Wunner wrote: >> > > On Mon, Feb 19, 2018 at 12:34:43PM +0100

Re: [Intel-gfx] [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Daniel Vetter
On Mon, Feb 19, 2018 at 03:47:42PM +0100, Lukas Wunner wrote: > On Mon, Feb 19, 2018 at 03:05:53PM +0100, Daniel Vetter wrote: > > On Mon, Feb 19, 2018 at 12:58:17PM +0100, Lukas Wunner wrote: > > > On Mon, Feb 19, 2018 at 12:34:43PM +0100, Daniel Vetter wrote: > > > > Well, userspace expects hotpl

Re: [Intel-gfx] [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Lukas Wunner
On Mon, Feb 19, 2018 at 03:05:53PM +0100, Daniel Vetter wrote: > On Mon, Feb 19, 2018 at 12:58:17PM +0100, Lukas Wunner wrote: > > On Mon, Feb 19, 2018 at 12:34:43PM +0100, Daniel Vetter wrote: > > > Well, userspace expects hotplug events, even when we runtime suspend > > > stuff. Hence waking shit

Re: [Intel-gfx] [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Daniel Vetter
On Mon, Feb 19, 2018 at 12:58:17PM +0100, Lukas Wunner wrote: > On Mon, Feb 19, 2018 at 12:34:43PM +0100, Daniel Vetter wrote: > > On Sun, Feb 11, 2018 at 10:38:28AM +0100, Lukas Wunner wrote: > > > Fix a deadlock on hybrid graphics laptops that's been present since 2013: > > > > > > DRM drivers p

Re: [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Lukas Wunner
On Mon, Feb 19, 2018 at 12:34:43PM +0100, Daniel Vetter wrote: > On Sun, Feb 11, 2018 at 10:38:28AM +0100, Lukas Wunner wrote: > > Fix a deadlock on hybrid graphics laptops that's been present since 2013: > > > > DRM drivers poll connectors in 10 sec intervals. The poll worker is > > stopped on -

Re: [Nouveau] [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

2018-02-19 Thread Daniel Vetter
On Sun, Feb 11, 2018 at 10:38:28AM +0100, Lukas Wunner wrote: > Fix a deadlock on hybrid graphics laptops that's been present since 2013: > > DRM drivers poll connectors in 10 sec intervals. The poll worker is > stopped on ->runtime_suspend with cancel_delayed_work_sync(). However > the poll wor