[UBUNTU (3.19) PATCH 0/4] i915 to call HDA on HDMI hotplug

[Jerry Kao]

Thanks Ray.

Patch verification test was done. Result is positive. Please check the
detail result in http://bit.ly/1ECAeth
<http://bit.ly/1ECAeth>

After install patches in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895 comment #8,
HDMI hot-plugging is detectable and functions works well.
test platforms: TUSL4-E3-C2(SKL), MASL5-E2-C1(SKL), HOU4-E3-C1B(BDW),
Inspiron 3442 (HSW)
test kernel: 3.19.0-27
install
patches:linux-headers-3.19.0-27-generic_3.19.0-27.29+bpo2.2_amd64.deb,
linux-image-3.19.0-27-generic_3.19.0-27.29+bpo2.2_amd64.deb,
linux-image-3.19.0-27-generic_3.19.0-27.29+bpo2.2_amd64.deb

On Thu, Sep 3, 2015 at 7:13 PM, Ara Pulido <ara.pulido at canonical.com> wrote:

>
>
> On 03/09/15 05:53, Jerry Kao wrote:
> > +Ray
> >
> > Ray will help to verify the patches with each SKL/BDW/HSW platforms.
> > Test result will be recorded in http://bit.ly/1ECAeth
>
> Great, thanks Jerry.
>
> >
> > Thanks,
> > Jerry
> >
> > On Wed, Sep 2, 2015 at 8:12 PM, Timo Aaltonen <tjaalton at ubuntu.com
> > <mailto:tjaalton at ubuntu.com>> wrote:
> >
> >     On 02.09.2015 15:05, David Henningsson wrote:
> >     >
> >     >
> >     > On 2015-09-02 13:50, Ara Pulido wrote:
> >     >>>> These are the bugs for your reference:
> >     >>>> Master bug:
> >     >>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895
> >     >>>> Dell BDW: https://bugs.launchpad.net/kittyhawk/+bug/1321986
> >     >>>> Dell HSW:
> >     https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1383997,
> >     >>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1393701\
> >     >>>> HP:
> >     >>>>
> >
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1379180
> >     >>>>
> >     >>>> Lenovo:
> >     >>>>
> >
> https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1433891
> >     >>>
> >     >>> And the kernel to test is the +bpo2.2 kernel at
> >     >>> http://koti.kapsi.fi/~tjaalton/skl/
> >     >>>
> >     >>> Please make sure you do not have any ALSA DKMS installed while
> >     testing.
> >     >>> Thanks!
> >     >>>
> >     >>
> >     >> What's the scope of the testing?
> >     >>
> >     >> Just testing HDMI and DP hotplug on a SKL, a BDW and a HSW
> >     system? What
> >     >> kind of regression testing should we doing?
> >     >
> >     > That would be the primary test, yes. In the sound settings dialog,
> one
> >     > should see an HDMI/DP output whenever the video subsystem detects
> it,
> >     > and likewise there should not be one in case the video subsystem
> does
> >     > not detect one.
> >     >
> >     > For HSW, BDW and SKL I believe the video subsystem automatically
> >     detects
> >     > plug and unplug events, so then that should show up on the audio
> side
> >     > too. Having it plugged in at boot time should work as expected,
> too.
> >     >
> >     > In some cases, this has been more of a problem when the computer is
> >     > running on battery than AC, so checking both AC power and battery
> >     power
> >     > behaviour could be interesting.
> >     >
> >     > Regressions to be checked for (other than the specified
> functionality
> >     > not working): crashes, hangs, stack traces in dmesg.
> >     >
> >     > Thanks a lot for helping out!
> >
> >     Note that there's an upstream bug where a slow unplug leaves the i915
> >     driver thinking hdmi is still plugged in:
> >
> >     https://bugs.freedesktop.org/show_bug.cgi?id=76464
> >
> >     but you can clear the state by just running 'xrandr' after unplug.
> >
> >
> >     --
> >     t
> >
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20150908/ace97981/attachment.html>