Re: Armada DRM: bridge with componentized devices

2019-01-24 Thread Rafael J. Wysocki
On Friday, January 18, 2019 1:57:47 PM CET Daniel Vetter wrote: > On Fri, Jan 18, 2019 at 12:38 PM Rafael J. Wysocki wrote: > > > > On Fri, Jan 18, 2019 at 12:17 PM Rafael J. Wysocki > > wrote: > > > > > > On Fri, Jan 18, 2019 at 12:06 PM Daniel Vetter wrote: > > > > > > > > On Fri, Jan 18, 201

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Daniel Vetter
On Fri, Jan 18, 2019 at 12:38 PM Rafael J. Wysocki wrote: > > On Fri, Jan 18, 2019 at 12:17 PM Rafael J. Wysocki wrote: > > > > On Fri, Jan 18, 2019 at 12:06 PM Daniel Vetter wrote: > > > > > > On Fri, Jan 18, 2019 at 11:03 AM Rafael J. Wysocki > > > wrote: > > > > > > > > On Fri, Jan 18, 2019

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Rafael J. Wysocki
On Fri, Jan 18, 2019 at 12:17 PM Rafael J. Wysocki wrote: > > On Fri, Jan 18, 2019 at 12:06 PM Daniel Vetter wrote: > > > > On Fri, Jan 18, 2019 at 11:03 AM Rafael J. Wysocki > > wrote: > > > > > > On Fri, Jan 18, 2019 at 10:37 AM Lucas Stach > > > wrote: > > > > > > > > Am Donnerstag, den 17

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Rafael J. Wysocki
On Fri, Jan 18, 2019 at 12:06 PM Daniel Vetter wrote: > > On Fri, Jan 18, 2019 at 11:03 AM Rafael J. Wysocki wrote: > > > > On Fri, Jan 18, 2019 at 10:37 AM Lucas Stach wrote: > > > > > > Am Donnerstag, den 17.01.2019, 13:20 +0100 schrieb Daniel Vetter: > > > [...] > > > > > > > > > I don't thin

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Linus Walleij
On Tue, Jan 8, 2019 at 10:22 AM Andrzej Hajda wrote: > Of course it was tested on Exynos as this is HW I work on. Linus Walleij > has also reported in this thread that device links have different issue > - circular dependencies (last few emails in this lengthy thread). My > response explains it i

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Daniel Vetter
On Fri, Jan 18, 2019 at 11:03 AM Rafael J. Wysocki wrote: > > On Fri, Jan 18, 2019 at 10:37 AM Lucas Stach wrote: > > > > Am Donnerstag, den 17.01.2019, 13:20 +0100 schrieb Daniel Vetter: > > [...] > > > > > > > I don't think it is addressed here. > > > > > > > > Can anyone please explain to me w

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Rafael J. Wysocki
On Fri, Jan 18, 2019 at 10:37 AM Lucas Stach wrote: > > Am Donnerstag, den 17.01.2019, 13:20 +0100 schrieb Daniel Vetter: > [...] > > > > > I don't think it is addressed here. > > > > > > Can anyone please explain to me what happens in more detail? > > > > My understanding (and this might be wrong

Re: Armada DRM: bridge with componentized devices

2019-01-18 Thread Lucas Stach
Am Donnerstag, den 17.01.2019, 13:20 +0100 schrieb Daniel Vetter: [...] > > > I don't think it is addressed here. > > > > Can anyone please explain to me what happens in more detail? > > My understanding (and this might be wrong, Russell, Andrzej, ... pls > correct) is that the following sequenc

Re: Armada DRM: bridge with componentized devices

2019-01-17 Thread Rafael J. Wysocki
On Thursday, January 17, 2019 6:26:25 PM CET Russell King - ARM Linux admin wrote: > On Tue, Jan 15, 2019 at 11:47:00PM +0100, Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki > > Subject: [PATCH] driver core: Fix adding device links to probing suppliers > > > > Currently, it is not valid to

Re: Armada DRM: bridge with componentized devices

2019-01-17 Thread Russell King - ARM Linux admin
On Tue, Jan 15, 2019 at 11:47:00PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > Subject: [PATCH] driver core: Fix adding device links to probing suppliers > > Currently, it is not valid to add a device link from a consumer > driver ->probe() callback to a supplier that is still pro

Re: Armada DRM: bridge with componentized devices

2019-01-17 Thread Daniel Vetter
On Wed, Jan 16, 2019 at 11:44 PM Rafael J. Wysocki wrote: > > On Wednesday, January 16, 2019 7:42:45 PM CET Daniel Vetter wrote: > > On Tue, Jan 15, 2019 at 11:47 PM Rafael J. Wysocki > > wrote: > > > > > > [CC Greg] > > > > > > On Tuesday, January 15, 2019 1:04:02 AM CET Rafael J. Wysocki wrote

Re: Armada DRM: bridge with componentized devices

2019-01-16 Thread Rafael J. Wysocki
On Wednesday, January 16, 2019 7:42:45 PM CET Daniel Vetter wrote: > On Tue, Jan 15, 2019 at 11:47 PM Rafael J. Wysocki wrote: > > > > [CC Greg] > > > > On Tuesday, January 15, 2019 1:04:02 AM CET Rafael J. Wysocki wrote: > > > [CC Lukas and linux-pm] > > > > > > On Mon, Jan 14, 2019 at 1:32 PM Ra

Re: Armada DRM: bridge with componentized devices

2019-01-16 Thread Daniel Vetter
On Tue, Jan 15, 2019 at 11:47 PM Rafael J. Wysocki wrote: > > [CC Greg] > > On Tuesday, January 15, 2019 1:04:02 AM CET Rafael J. Wysocki wrote: > > [CC Lukas and linux-pm] > > > > On Mon, Jan 14, 2019 at 1:32 PM Rafael J. Wysocki wrote: > > > > > > On Fri, Jan 11, 2019 at 3:49 PM Russell King -

Re: Armada DRM: bridge with componentized devices

2019-01-15 Thread Rafael J. Wysocki
[CC Greg] On Tuesday, January 15, 2019 1:04:02 AM CET Rafael J. Wysocki wrote: > [CC Lukas and linux-pm] > > On Mon, Jan 14, 2019 at 1:32 PM Rafael J. Wysocki wrote: > > > > On Fri, Jan 11, 2019 at 3:49 PM Russell King - ARM Linux > > wrote: > > [cut] > > > > > > > This thread is discussing h

Re: Armada DRM: bridge with componentized devices

2019-01-14 Thread Rafael J. Wysocki
[CC Lukas and linux-pm] On Mon, Jan 14, 2019 at 1:32 PM Rafael J. Wysocki wrote: > > On Fri, Jan 11, 2019 at 3:49 PM Russell King - ARM Linux > wrote: [cut] > > > > This thread is discussing how to deal with Armada DRM, its use of the > > component helper, TDA998x's hybrid use of the component

Re: Armada DRM: bridge with componentized devices

2019-01-14 Thread Rafael J. Wysocki
On Fri, Jan 11, 2019 at 3:49 PM Russell King - ARM Linux wrote: > > On Fri, Jan 11, 2019 at 03:36:28PM +0100, Rafael J. Wysocki wrote: > > On Fri, Jan 11, 2019 at 3:32 PM Russell King - ARM Linux > > wrote: > > > > > > On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > > > > On

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Russell King - ARM Linux
On Fri, Jan 11, 2019 at 03:36:28PM +0100, Rafael J. Wysocki wrote: > On Fri, Jan 11, 2019 at 3:32 PM Russell King - ARM Linux > wrote: > > > > On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > > > On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > > > > > > > On Wed, Jan

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Rafael J. Wysocki
On Fri, Jan 11, 2019 at 3:36 PM Daniel Vetter wrote: > > On Fri, Jan 11, 2019 at 3:32 PM Russell King - ARM Linux > wrote: > > On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > > > On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > > > > > > > On Wed, Jan 9, 2019 at 10:3

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Rafael J. Wysocki
On Fri, Jan 11, 2019 at 3:32 PM Russell King - ARM Linux wrote: > > On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > > On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > > > > > On Wed, Jan 9, 2019 at 10:31 AM Russell King - ARM Linux > > > wrote: > > > > On Wed, Jan 09

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Daniel Vetter
On Fri, Jan 11, 2019 at 3:32 PM Russell King - ARM Linux wrote: > On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > > On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > > > > > On Wed, Jan 9, 2019 at 10:31 AM Russell King - ARM Linux > > > wrote: > > > > On Wed, Jan 09,

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Russell King - ARM Linux
On Fri, Jan 11, 2019 at 03:26:44PM +0100, Rafael J. Wysocki wrote: > On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > > > On Wed, Jan 9, 2019 at 10:31 AM Russell King - ARM Linux > > wrote: > > > On Wed, Jan 09, 2019 at 10:24:01AM +0100, Rafael J. Wysocki wrote: > > > > On Wed, Jan 9, 201

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Rafael J. Wysocki
On Fri, Jan 11, 2019 at 3:20 PM Daniel Vetter wrote: > > On Wed, Jan 9, 2019 at 10:31 AM Russell King - ARM Linux > wrote: > > On Wed, Jan 09, 2019 at 10:24:01AM +0100, Rafael J. Wysocki wrote: > > > On Wed, Jan 9, 2019 at 10:13 AM Andrzej Hajda wrote: > > > > > > > > +CC: Rafael J. Wysocki > >

Re: Armada DRM: bridge with componentized devices

2019-01-11 Thread Daniel Vetter
On Wed, Jan 9, 2019 at 10:31 AM Russell King - ARM Linux wrote: > On Wed, Jan 09, 2019 at 10:24:01AM +0100, Rafael J. Wysocki wrote: > > On Wed, Jan 9, 2019 at 10:13 AM Andrzej Hajda wrote: > > > > > > +CC: Rafael J. Wysocki > > > > > > On 08.01.2019 16:07, Russell King - ARM Linux wrote: > > >

Re: Armada DRM: bridge with componentized devices

2019-01-09 Thread Russell King - ARM Linux
On Wed, Jan 09, 2019 at 10:24:01AM +0100, Rafael J. Wysocki wrote: > On Wed, Jan 9, 2019 at 10:13 AM Andrzej Hajda wrote: > > > > +CC: Rafael J. Wysocki > > > > On 08.01.2019 16:07, Russell King - ARM Linux wrote: > > > On Tue, Jan 08, 2019 at 03:33:54PM +0100, Andrzej Hajda wrote: > > >> On 08.0

Re: Armada DRM: bridge with componentized devices

2019-01-09 Thread Rafael J. Wysocki
On Wed, Jan 9, 2019 at 10:13 AM Andrzej Hajda wrote: > > +CC: Rafael J. Wysocki > > On 08.01.2019 16:07, Russell King - ARM Linux wrote: > > On Tue, Jan 08, 2019 at 03:33:54PM +0100, Andrzej Hajda wrote: > >> On 08.01.2019 14:21, Russell King - ARM Linux wrote: > >>> On Tue, Jan 08, 2019 at 01:27

Re: Armada DRM: bridge with componentized devices

2019-01-09 Thread Andrzej Hajda
+CC: Rafael J. Wysocki On 08.01.2019 16:07, Russell King - ARM Linux wrote: > On Tue, Jan 08, 2019 at 03:33:54PM +0100, Andrzej Hajda wrote: >> On 08.01.2019 14:21, Russell King - ARM Linux wrote: >>> On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: On 08.01.2019 12:38, Russell

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Daniel Vetter
On Tue, Jan 8, 2019 at 4:07 PM Russell King - ARM Linux wrote: > > On Tue, Jan 08, 2019 at 03:33:54PM +0100, Andrzej Hajda wrote: > > On 08.01.2019 14:21, Russell King - ARM Linux wrote: > > > On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: > > >> On 08.01.2019 12:38, Russell King -

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Russell King - ARM Linux
On Tue, Jan 08, 2019 at 03:33:54PM +0100, Andrzej Hajda wrote: > On 08.01.2019 14:21, Russell King - ARM Linux wrote: > > On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: > >> On 08.01.2019 12:38, Russell King - ARM Linux wrote: > >>> On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 08.01.2019 14:21, Russell King - ARM Linux wrote: > On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: >> On 08.01.2019 12:38, Russell King - ARM Linux wrote: >>> On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej Hajda wrote: Issues with device links have nothing to do with hotp

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Liviu Dudau
On Tue, Jan 08, 2019 at 12:39:36AM +, Russell King - ARM Linux wrote: > On Mon, Jan 07, 2019 at 10:55:15PM +0100, Daniel Vetter wrote: > > On Mon, Jan 7, 2019 at 5:13 PM Russell King - ARM Linux > > wrote: > > > > > > On Mon, Jan 07, 2019 at 11:45:32AM +0100, Daniel Vetter wrote: > > > > On Th

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Daniel Vetter
On Tue, Jan 8, 2019 at 2:22 PM Russell King - ARM Linux wrote: > On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: > > On 08.01.2019 12:38, Russell King - ARM Linux wrote: > > > On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej Hajda wrote: > > >> Issues with device links have nothing

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Russell King - ARM Linux
On Tue, Jan 08, 2019 at 01:27:56PM +0100, Andrzej Hajda wrote: > On 08.01.2019 12:38, Russell King - ARM Linux wrote: > > On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej Hajda wrote: > >> Issues with device links have nothing to do with hotplugging, they are > >> generic - lifetime of the objects

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 08.01.2019 12:38, Russell King - ARM Linux wrote: > On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej Hajda wrote: >> Issues with device links have nothing to do with hotplugging, they are >> generic - lifetime of the objects (drm_bridge, drm_panel) is just >> slightly different of lifetime of d

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Russell King - ARM Linux
On Tue, Jan 08, 2019 at 12:25:34PM +0100, Andrzej Hajda wrote: > Issues with device links have nothing to do with hotplugging, they are > generic - lifetime of the objects (drm_bridge, drm_panel) is just > slightly different of lifetime of device links, and this is racy even if > you do not want ho

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 08.01.2019 11:24, Daniel Vetter wrote: > On Tue, Jan 8, 2019 at 10:22 AM Andrzej Hajda wrote: >> On 08.01.2019 09:47, Daniel Vetter wrote: >>> On Tue, Jan 8, 2019 at 9:35 AM Andrzej Hajda wrote: On 07.01.2019 22:56, Daniel Vetter wrote: > On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 08.01.2019 11:23, Russell King - ARM Linux wrote: > On Tue, Jan 08, 2019 at 10:22:06AM +0100, Andrzej Hajda wrote: >> What part of drm core disallows it? As I remember discussions about >> drm_bridge design there were voices that they should be >> hot(un)pluggable, and they are IMO, of course if

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Daniel Vetter
On Tue, Jan 8, 2019 at 11:16 AM Russell King - ARM Linux wrote: > > On Tue, Jan 08, 2019 at 09:35:21AM +0100, Andrzej Hajda wrote: > > On 07.01.2019 22:56, Daniel Vetter wrote: > > > If you call drm_dev_register before you have all the components > > > assembled (i.e. anywhere else than in master

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Daniel Vetter
On Tue, Jan 8, 2019 at 10:22 AM Andrzej Hajda wrote: > > On 08.01.2019 09:47, Daniel Vetter wrote: > > On Tue, Jan 8, 2019 at 9:35 AM Andrzej Hajda wrote: > >> On 07.01.2019 22:56, Daniel Vetter wrote: > >>> On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda wrote: > On 07.01.2019 17:08, Daniel V

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Russell King - ARM Linux
On Tue, Jan 08, 2019 at 10:22:06AM +0100, Andrzej Hajda wrote: > What part of drm core disallows it? As I remember discussions about > drm_bridge design there were voices that they should be > hot(un)pluggable, and they are IMO, of course if they are not active. Even if they are not active, once t

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Russell King - ARM Linux
On Tue, Jan 08, 2019 at 09:35:21AM +0100, Andrzej Hajda wrote: > On 07.01.2019 22:56, Daniel Vetter wrote: > > If you call drm_dev_register before you have all the components > > assembled (i.e. anywhere else than in master bind) that sounds like a > > driver bug. > > > This is how components wor

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 08.01.2019 09:47, Daniel Vetter wrote: > On Tue, Jan 8, 2019 at 9:35 AM Andrzej Hajda wrote: >> On 07.01.2019 22:56, Daniel Vetter wrote: >>> On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda wrote: On 07.01.2019 17:08, Daniel Vetter wrote: > On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrz

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Daniel Vetter
On Tue, Jan 8, 2019 at 9:35 AM Andrzej Hajda wrote: > On 07.01.2019 22:56, Daniel Vetter wrote: > > On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda wrote: > >> On 07.01.2019 17:08, Daniel Vetter wrote: > >>> On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrzej Hajda wrote: > On 07.01.2019 11:45, D

Re: Armada DRM: bridge with componentized devices

2019-01-08 Thread Andrzej Hajda
On 07.01.2019 22:56, Daniel Vetter wrote: > On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda wrote: >> On 07.01.2019 17:08, Daniel Vetter wrote: >>> On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrzej Hajda wrote: On 07.01.2019 11:45, Daniel Vetter wrote: > On Thu, Jan 03, 2019 at 01:11:47PM +0

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Russell King - ARM Linux
On Mon, Jan 07, 2019 at 10:55:15PM +0100, Daniel Vetter wrote: > On Mon, Jan 7, 2019 at 5:13 PM Russell King - ARM Linux > wrote: > > > > On Mon, Jan 07, 2019 at 11:45:32AM +0100, Daniel Vetter wrote: > > > On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: > > > > This is t

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Daniel Vetter
On Mon, Jan 7, 2019 at 5:27 PM Andrzej Hajda wrote: > > On 07.01.2019 17:08, Daniel Vetter wrote: > > On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrzej Hajda wrote: > >> On 07.01.2019 11:45, Daniel Vetter wrote: > >>> On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: >

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Daniel Vetter
On Mon, Jan 7, 2019 at 5:13 PM Russell King - ARM Linux wrote: > > On Mon, Jan 07, 2019 at 11:45:32AM +0100, Daniel Vetter wrote: > > On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: > > > This is the long-standing problem with the conflict between bridge > > > support and

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Andrzej Hajda
On 07.01.2019 17:08, Daniel Vetter wrote: > On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrzej Hajda wrote: >> On 07.01.2019 11:45, Daniel Vetter wrote: >>> On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: On Thu, Jan 03, 2019 at 10:47:27AM +0100, Lubomir Rintel wrote:

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Russell King - ARM Linux
On Mon, Jan 07, 2019 at 11:45:32AM +0100, Daniel Vetter wrote: > On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: > > This is the long-standing problem with the conflict between bridge > > support and component support, and I'm not sure that there is really > > any answer t

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Daniel Vetter
On Mon, Jan 07, 2019 at 12:26:58PM +0100, Andrzej Hajda wrote: > On 07.01.2019 11:45, Daniel Vetter wrote: > > On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: > >> On Thu, Jan 03, 2019 at 10:47:27AM +0100, Lubomir Rintel wrote: > >>> Hello, > >>> > >>> lately I've been try

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Andrzej Hajda
On 07.01.2019 11:45, Daniel Vetter wrote: > On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: >> On Thu, Jan 03, 2019 at 10:47:27AM +0100, Lubomir Rintel wrote: >>> Hello, >>> >>> lately I've been trying to make the Himax HX8837 chip that drives the OLPC >>> LCD display work

Re: Armada DRM: bridge with componentized devices

2019-01-07 Thread Daniel Vetter
On Thu, Jan 03, 2019 at 01:11:47PM +, Russell King - ARM Linux wrote: > On Thu, Jan 03, 2019 at 10:47:27AM +0100, Lubomir Rintel wrote: > > Hello, > > > > lately I've been trying to make the Himax HX8837 chip that drives the OLPC > > LCD display work with Armada DRM driver. I've been advised t

Armada DRM: bridge with componentized devices

2019-01-04 Thread Lubomir Rintel
Hello, lately I've been trying to make the Himax HX8837 chip that drives the OLPC LCD display work with Armada DRM driver. I've been advised to create a bridge driver and not an encoder driver since the silicon is separate from the LCDC. The Armada DRM driver (and, I think, the i.MX one) creates

Re: Armada DRM: bridge with componentized devices

2019-01-03 Thread Russell King - ARM Linux
On Thu, Jan 03, 2019 at 10:47:27AM +0100, Lubomir Rintel wrote: > Hello, > > lately I've been trying to make the Himax HX8837 chip that drives the OLPC > LCD display work with Armada DRM driver. I've been advised to create a > bridge driver and not an encoder driver since the silicon is separate f