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

[Anthony Wong]

Thanks Ray, Jerry and Ara for the support!

Anthony

On 8 September 2015 at 10:53, Jerry Kao <jerry.kao at canonical.com> wrote:

> 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\
>> <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1393701%5C>
>> >     >>>> 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
>> >
>> >
>>
>
>
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