Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-03-05 Thread Heikki Krogerus
Hi Hans, On Thu, Feb 28, 2019 at 05:54:21PM +0100, Hans de Goede wrote: > Hi Heikki, > > On 28-02-19 15:47, Heikki Krogerus wrote: > > Hi Hans, > > > > On Thu, Feb 28, 2019 at 12:24:25PM +0100, Hans de Goede wrote: > > > Hi, > > > > > > On 28-02-19 10:15, Heikki Krogerus wrote: > > > > > >

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-03-04 Thread Hans de Goede
Hi, On 04-03-19 16:17, Heikki Krogerus wrote: Hi Hans, On Thu, Feb 28, 2019 at 05:54:21PM +0100, Hans de Goede wrote: Hi Heikki, On 28-02-19 15:47, Heikki Krogerus wrote: Hi Hans, On Thu, Feb 28, 2019 at 12:24:25PM +0100, Hans de Goede wrote: Hi, On 28-02-19 10:15, Heikki Krogerus wrote:

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-03-01 Thread Heikki Krogerus
On Wed, Feb 27, 2019 at 04:45:32PM +0100, Hans de Goede wrote: > Hi, > > On 27-02-19 12:16, Jani Nikula wrote: > > On Wed, 27 Feb 2019, Heikki Krogerus > > wrote: > > > One thing that this series does not consider is the DP lane count > > > problem. The GPU drivers (i915 in this case) does not

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-03-01 Thread Heikki Krogerus
Hi Hans, On Thu, Feb 28, 2019 at 12:24:25PM +0100, Hans de Goede wrote: > Hi, > > On 28-02-19 10:15, Heikki Krogerus wrote: > > On Wed, Feb 27, 2019 at 04:45:32PM +0100, Hans de Goede wrote: > > > Hi, > > > > > > On 27-02-19 12:16, Jani Nikula wrote: > > > > On Wed, 27 Feb 2019, Heikki Krogerus

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-28 Thread Hans de Goede
Hi Heikki, On 28-02-19 15:47, Heikki Krogerus wrote: Hi Hans, On Thu, Feb 28, 2019 at 12:24:25PM +0100, Hans de Goede wrote: Hi, On 28-02-19 10:15, Heikki Krogerus wrote: I've been thinking about this... Do we actually need to link the correct drm_connector to the Type-C connector?

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-28 Thread Hans de Goede
Hi, On 28-02-19 10:15, Heikki Krogerus wrote: On Wed, Feb 27, 2019 at 04:45:32PM +0100, Hans de Goede wrote: Hi, On 27-02-19 12:16, Jani Nikula wrote: On Wed, 27 Feb 2019, Heikki Krogerus wrote: One thing that this series does not consider is the DP lane count problem. The GPU drivers

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-27 Thread Hans de Goede
Hi, On 27-02-19 12:16, Jani Nikula wrote: On Wed, 27 Feb 2019, Heikki Krogerus wrote: One thing that this series does not consider is the DP lane count problem. The GPU drivers (i915 in this case) does not know is four, two or one DP lanes in use. Also, orientation. The orientation should

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-27 Thread Heikki Krogerus
On Wed, Feb 27, 2019 at 01:16:27PM +0200, Jani Nikula wrote: > On Wed, 27 Feb 2019, Heikki Krogerus wrote: > > One thing that this series does not consider is the DP lane count > > problem. The GPU drivers (i915 in this case) does not know is four, > > two or one DP lanes in use. > > Also,

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-27 Thread Heikki Krogerus
Hi Hans, On Mon, Feb 25, 2019 at 02:20:34PM +0100, Hans de Goede wrote: > Hi All, > > On some Cherry Trail devices, DisplayPort over Type-C is supported through > a USB-PD microcontroller (e.g. a fusb302) + a mux to switch the superspeed > datalines between USB-3 and DP (e.g. a pi3usb30532). The

Re: [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-27 Thread Jani Nikula
On Wed, 27 Feb 2019, Heikki Krogerus wrote: > One thing that this series does not consider is the DP lane count > problem. The GPU drivers (i915 in this case) does not know is four, > two or one DP lanes in use. Also, orientation. > I guess that is not a critical issue since there is a

[PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers

2019-02-25 Thread Hans de Goede
Hi All, On some Cherry Trail devices, DisplayPort over Type-C is supported through a USB-PD microcontroller (e.g. a fusb302) + a mux to switch the superspeed datalines between USB-3 and DP (e.g. a pi3usb30532). The kernel in this case does the PD/alt-mode negotiation itself, rather then