From: Hans de Goede <hdegoede@redhat.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: linux-usb@vger.kernel.org,
Maxime Ripard <maxime.ripard@bootlin.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
intel-gfx <intel-gfx@lists.freedesktop.org>,
David Airlie <airlied@linux.ie>,
Sean Paul <seanpaul@chromium.org>,
dri-devel@lists.freedesktop.org,
Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [PATCH 3/3] usb: typec: altmodes/displayport: Notify drm subsys of hotplug events
Date: Wed, 27 Feb 2019 16:51:49 +0100 [thread overview]
Message-ID: <2ce9f2ca-1f7b-245f-bd6b-a74f3bc785b8@redhat.com> (raw)
In-Reply-To: <20190227094420.GE27730@kuha.fi.intel.com>
Hi,
On 27-02-19 10:44, Heikki Krogerus wrote:
> On Mon, Feb 25, 2019 at 02:20:37PM +0100, Hans de Goede wrote:
>> Use the new drm_kms_call_oob_hotplug_notifier_chain() function to load
>> drm/kms drivers know about DisplayPort over Type-C hotplug events.
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>
> I'm OK with this. I'll wait for the v2 and see if I can test these.
The only change I've queued for v2 is adding a "depends on DRM" to
the TYPEC_DP_ALTMODE Kconfig.
And given the discussion about passing lane-info, it might be a while
before we get a v2, so if you want to give this a test run, it is
probably best to just test v1 for now (if you've time).
Note to test this on the GPD win (which you have AFAIK) you will also
need the fusb302 + pi3usb30532 patches I've send out recently, as well as:
https://github.com/jwrdegoede/linux-sunxi/commit/945c6fe0a18957357b42e04ed34bf33667003030
I've one Type-C to VGA dongle (without any other functions) where the Type-C
mode negotiation fails. This one does work on a XPS 15 so I need to borrow
some hardware from a friend so that I can capture the USB-PD signals and
see what the Alpine Ridge controller does different compared to the in kernel
stack and fix this. My other 4 dongles work fine, including this "standard" model:
http://media.redgamingtech.com/rgt-website/2015/03/Apple-HDMI-Usb-Type-C-dongle.jpg
Regards,
Hans
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next prev parent reply other threads:[~2019-02-27 15:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-25 13:20 [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers Hans de Goede
2019-02-25 13:20 ` [PATCH 1/3] drm: Add support for out-of-band hotplug notification Hans de Goede
2019-02-25 13:20 ` [PATCH 2/3] i915: Add support for out-of-bound hotplug events Hans de Goede
2019-02-25 13:20 ` [PATCH 3/3] usb: typec: altmodes/displayport: Notify drm subsys of " Hans de Goede
2019-02-25 14:06 ` Greg Kroah-Hartman
2019-02-25 16:19 ` Hans de Goede
2019-02-26 7:40 ` kbuild test robot
2019-02-26 16:04 ` kbuild test robot
2019-02-27 9:44 ` Heikki Krogerus
2019-02-27 15:51 ` Hans de Goede [this message]
2019-02-27 10:55 ` [PATCH 0/3] Propagate DP-over-Type-C hotplug events from Type-C subsys to drm-drivers Heikki Krogerus
2019-02-27 11:16 ` Jani Nikula
2019-02-27 11:49 ` Heikki Krogerus
2019-02-27 15:45 ` Hans de Goede
2019-02-28 9:15 ` Heikki Krogerus
2019-02-28 11:24 ` Hans de Goede
2019-02-28 14:47 ` Heikki Krogerus
2019-02-28 16:54 ` Hans de Goede
2019-03-04 15:17 ` Heikki Krogerus
2019-03-05 7:45 ` Hans de Goede
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