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  • Re: Lenovo Thinkpad P16s Gen3 espeakup support (Was: Heads-up: please l

    From Cyril Brulebois@21:1/5 to All on Sat May 24 19:10:01 2025
    XPost: linux.debian.maint.boot

    Hi,

    Roland Clobus <rclobus@rclobus.nl> (2025-05-24):
    With the big hammer I got the espeakup module working on a Lenovo Thinkpad P16s Gen3.

    Now I did a few loops with incrementally adding kernel modules to find out the minimal requirement:
    * drm needs i915
    * i915 needs cec, drm_display_helper and drm_buddy
    * cec needs rc-core

    Also, how does firmware-intel-graphics fit in this picture?

    When loading the i915 module, it requests several firmware files from firmware-intel-graphics (mtl_dmc.bin, mtl_guc_70.bin, mtl_huc_gsc.bin, mtl_gsc_1.bin). It turn out that these firmware files are not required for the espeakup module (even though dmesg complains about them)

    So overall we (only) need 5 additional kernel modules:
    i915, drm_buddy, drm_display_helper, cec, rc-core

    With kind regards,
    Roland Clobus

    PS: The filename is rc-core.ko.xz, the module name is rc_core

    (Yeah, spotted that one earlier. :))

    I'd be tempted to do the .ko thing at d-i build time (we already have a
    few other things in a similar-ish way) and the firmware-intel-sound (but
    not firmware-intel-graphics) at cd build time. Are you happy to give an
    iso a shot?


    Cheers,
    --
    Cyril Brulebois (kibi@debian.org) <https://debamax.com/>
    D-I release manager -- Release team member -- Freelance Consultant

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  • From Cyril Brulebois@21:1/5 to All on Sun May 25 00:00:01 2025
    XPost: linux.debian.maint.boot

    Hi,

    Roland Clobus <rclobus@rclobus.nl> (2025-05-24):
    When loading the i915 module, it requests several firmware files from firmware-intel-graphics (mtl_dmc.bin, mtl_guc_70.bin, mtl_huc_gsc.bin, mtl_gsc_1.bin). It turn out that these firmware files are not required
    for the espeakup module (even though dmesg complains about them)

    Great news, thanks! The complaining and/or modalias-based stuff will
    have d-i pick them up later on anyway.

    (I'm leaving the question around firmware-intel-sound's metadata for
    later.)

    So overall we (only) need 5 additional kernel modules: i915,
    drm_buddy, drm_display_helper, cec, rc-core

    Re-used/adapted some logic in debian-installer.git, see speech-support
    branch (the commit message sucks, and at least that would need some
    editing before merging into master).

    See kibi/for-master for the debian-cd side (patch 2/3 compared to
    current master).

    Test image:
    https://people.debian.org/~kibi/bug-1092977+intel/

    (also contains partman-crypto fun, unrelated, but one build/stone, two bugs/birds, right?)

    I've at least confirmed I can `modprobe i915` manually…


    Cheers,
    --
    Cyril Brulebois (kibi@debian.org) <https://debamax.com/>
    D-I release manager -- Release team member -- Freelance Consultant

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  • From Cyril Brulebois@21:1/5 to All on Sun May 25 04:40:01 2025
    XPost: linux.debian.maint.boot

    Cyril Brulebois <kibi@debian.org> (2025-05-24):
    Great news, thanks! The complaining and/or modalias-based stuff will
    have d-i pick them up later on anyway.

    (I'm leaving the question around firmware-intel-sound's metadata for
    later.)

    There's something but it's not great. That led me to doing the following
    but I'm not uploading yet another image just for that. I think what
    matters most at the moment is whether we can bootstrap speech synthesis.
    If we end up with missing sound on the installed system, it's easy enough
    (or should be) to figure out what's going on.

    https://salsa.debian.org/images-team/debian-cd/-/commit/c32217a4f86d18a872d8a2855c78cf74875fce40
    https://salsa.debian.org/images-team/debian-cd/-/commit/7989b4efac6d0514b2095b77ac780cfa88375df2

    (The former I didn't link in my previous mail, the latter is new.)

    The diff in /firmware/dep11 looks good to me: firmware-sof-signed stuff unchanged, firmware-intel-sound stuff added (.patterns & .component).


    Cheers,
    --
    Cyril Brulebois (kibi@debian.org) <https://debamax.com/>
    D-I release manager -- Release team member -- Freelance Consultant

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