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From: Kai Vehmanen <kai.vehmanen@linux.intel.com>
To: Alexander Kaplan <alexander.kaplan@sms-medipool.de>
Cc: "Kai Vehmanen" <kai.vehmanen@linux.intel.com>,
	"Péter Ujfalusi" <peter.ujfalusi@intel.com>,
	"Péter Ujfalusi" <peter.ujfalusi@linux.intel.com>,
	"Takashi Iwai" <tiwai@suse.com>,
	linux-sound@vger.kernel.org, "Jaroslav Kysela" <perex@perex.cz>,
	"Pierre-Louis Bossart" <pierre-louis.bossart@linux.dev>,
	stable@vger.kernel.org, "Uma Shankar" <uma.shankar@intel.com>
Subject: Re: [PATCH] ALSA: hda/hdmi: disable KAE for Intel Panther Lake
Date: Wed, 1 Jul 2026 01:45:45 +0300 (EEST)	[thread overview]
Message-ID: <765b713e-d2a0-6859-2923-53f8e60cb00e@linux.intel.com> (raw)
In-Reply-To: <b6e4caac-53f1-729f-51d2-aa0ca514ab04@linux.intel.com>

Hi,

On Wed, 24 Jun 2026, Kai Vehmanen wrote:

> On Sat, 20 Jun 2026, Alexander Kaplan wrote:
> 
[...]
> > So the wedge happens earlier in the sequence, as you suspected, not at
> > the re-arm.
> > The trigger looks like the multichannel DMA start itself once the KAE
> > block has been active in the running power cycle, below the codec verb
> > level.
> 
> thanks for the quick test. I'm working with our display folks to test
> this out with some Synaptic DP-alt HDMI converter. This same test
> worked ok with one converter (Lenovo USB-C to HDMI Adapter GX90K37871),
[...]
> I filed a bug to Xe/display to track this effort:
> https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/8412

some progress with this. I attached a work-in-progress patch that fixes 
the issue with at least one setup using Club3D CAC-2505 DP-alt HDMI 
converter to the bug at:
https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/8412#note_3543741

Needs more work still, but if this approach works, I'll send a proper 
patch later to the list.

Br, Kai

  reply	other threads:[~2026-06-30 22:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-10 17:48 [PATCH] ALSA: hda/hdmi: disable KAE for Intel Panther Lake Alexander Kaplan
2026-06-11  9:08 ` Péter Ujfalusi
2026-06-11  9:33   ` Péter Ujfalusi
2026-06-11 14:44     ` Alexander Kaplan
2026-06-12 12:45       ` Péter Ujfalusi
2026-06-12 18:13         ` Alexander Kaplan
2026-06-16 19:13           ` Kai Vehmanen
2026-06-20 15:00             ` Alexander Kaplan
2026-06-24 17:04               ` Kai Vehmanen
2026-06-30 22:45                 ` Kai Vehmanen [this message]
2026-07-03 23:24                   ` Alexander Kaplan

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