On Tue, Sep 01, 2015 at 12:04:05PM +0200, David Henningsson wrote: > This is a patch set fixing a long-standing bug for some Haswell, Broadwell > and most Skylake machines. > > When the HDA audio controller is in D3, a hotplug event (i e, HDMI or > DisplayPort being plugged in) fails to wake up the audio side so it never > registers that something has happened. > > By having the i915 driver call directly into the hda driver, the HDA driver > is always notified that an HDMI hotplug event has happened. > > I've been trying to get this through upstream, but it has been slower than > usual due to it touching both the i915 and HDA subsystems, and ideally I > wanted it in there first, but I don't think OEM wants to miss another SRU > cycle. So this is on its way in upstream, but not there yet. The patches here > are based on v5 of my patch set, and v4 were both reviewed by Jani Nikula and > Takashi Iwai. > > Now, I've tested the upstream version, but I've just backported this to 3.19 > without any testing. I could use Timo's assistance here so we coordinate > testing this with other i915 changes for the next SRU cycle. And I could use > Timo's help to make sure this applies equally to i915 and i915_bpo. > > BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895 > > David Henningsson (4): > drm/i915: Add audio pin sense / ELD callback > drm/i915: Call audio pin/ELD notify function > ALSA: hda - allow codecs to access the i915 pin/ELD callback > ALSA: hda - Wake the codec up on pin/ELD notify events > > drivers/gpu/drm/i915/i915_drv.h | 1 + > drivers/gpu/drm/i915/intel_audio.c | 27 ++++++++++++++++++++++++--- > include/drm/i915_component.h | 16 ++++++++++++++++ > sound/pci/hda/hda_i915.c | 10 ++++++++++ > sound/pci/hda/hda_intel.h | 5 +++++ > sound/pci/hda/patch_hdmi.c | 21 ++++++++++++++++++++- > 6 files changed, 76 insertions(+), 4 deletions(-) > > -- > 1.9.1 > > > -- > kernel-team mailing list > kernel-t...@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
I want to see some positive test results in the bug before I'm going to take this. Brad -- Brad Figg brad.f...@canonical.com http://www.canonical.com -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1490895 Title: Skylake/Broadwell/Haswell: No HDMI audio jack detection in D3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
