Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-21 Thread Russell King - ARM Linux
On Thu, Jul 20, 2017 at 01:54:04PM +0100, Liviu Dudau wrote: > On Thu, Jul 20, 2017 at 12:44:49PM +0100, Russell King - ARM Linux wrote: > > Actually, scrub that idea - drm_helper_probe_single_connector_modes() > > calls drm_edid_to_eld() for these cases anyway, so we must call > > drm_helper_probe

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-21 Thread Russell King - ARM Linux
On Thu, Jul 20, 2017 at 03:19:10PM +0100, Liviu Dudau wrote: > On Thu, Jul 20, 2017 at 02:08:29PM +0100, Russell King - ARM Linux wrote: > > On Thu, Jul 20, 2017 at 01:54:04PM +0100, Liviu Dudau wrote: > > > On Thu, Jul 20, 2017 at 12:44:49PM +0100, Russell King - ARM Linux wrote: > > > > Actually,

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-21 Thread Russell King - ARM Linux
On Thu, Jul 20, 2017 at 12:38:53PM +0100, Russell King - ARM Linux wrote: > On Thu, Jul 20, 2017 at 12:04:50PM +0100, Liviu Dudau wrote: > > When enabling lockdep debugging on Juno platform with HDLCD and TDA998x > > I get the following warning from the system: > > > > [ 25.990733] =

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-21 Thread Russell King - ARM Linux
On Thu, Jul 20, 2017 at 12:04:50PM +0100, Liviu Dudau wrote: > When enabling lockdep debugging on Juno platform with HDLCD and TDA998x > I get the following warning from the system: > > [ 25.990733] == > [ 25.998637] WARNING: possible circula

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Liviu Dudau
On Thu, Jul 20, 2017 at 04:57:12PM +0200, Daniel Vetter wrote: > On Thu, Jul 20, 2017 at 4:40 PM, Liviu Dudau wrote: > > On Thu, Jul 20, 2017 at 03:24:13PM +0100, Russell King - ARM Linux wrote: > >> On Thu, Jul 20, 2017 at 03:19:10PM +0100, Liviu Dudau wrote: > >> > On Thu, Jul 20, 2017 at 02:08:

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Daniel Vetter
On Thu, Jul 20, 2017 at 4:40 PM, Liviu Dudau wrote: > On Thu, Jul 20, 2017 at 03:24:13PM +0100, Russell King - ARM Linux wrote: >> On Thu, Jul 20, 2017 at 03:19:10PM +0100, Liviu Dudau wrote: >> > On Thu, Jul 20, 2017 at 02:08:29PM +0100, Russell King - ARM Linux wrote: >> > > On Thu, Jul 20, 2017

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Liviu Dudau
On Thu, Jul 20, 2017 at 03:24:13PM +0100, Russell King - ARM Linux wrote: > On Thu, Jul 20, 2017 at 03:19:10PM +0100, Liviu Dudau wrote: > > On Thu, Jul 20, 2017 at 02:08:29PM +0100, Russell King - ARM Linux wrote: > > > On Thu, Jul 20, 2017 at 01:54:04PM +0100, Liviu Dudau wrote: > > > > On Thu, J

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Liviu Dudau
On Thu, Jul 20, 2017 at 02:08:29PM +0100, Russell King - ARM Linux wrote: > On Thu, Jul 20, 2017 at 01:54:04PM +0100, Liviu Dudau wrote: > > On Thu, Jul 20, 2017 at 12:44:49PM +0100, Russell King - ARM Linux wrote: > > > Actually, scrub that idea - drm_helper_probe_single_connector_modes() > > > ca

Re: [PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Liviu Dudau
On Thu, Jul 20, 2017 at 12:44:49PM +0100, Russell King - ARM Linux wrote: > On Thu, Jul 20, 2017 at 12:38:53PM +0100, Russell King - ARM Linux wrote: > > On Thu, Jul 20, 2017 at 12:04:50PM +0100, Liviu Dudau wrote: > > > When enabling lockdep debugging on Juno platform with HDLCD and TDA998x > > >

[PATCH] drm/i2c: tda998x: Fix lockdep warning about possible circular dependency

2017-07-20 Thread Liviu Dudau
When enabling lockdep debugging on Juno platform with HDLCD and TDA998x I get the following warning from the system: [ 25.990733] == [ 25.998637] WARNING: possible circular locking dependency detected [ 26.006531] 4.13.0-rc1-00284-g28c0a682