[Bug 257297] i7 Comet Lake Gen 10 laptop: I'm not able to use HDMI, DisplayPort and Wi-Fi

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=257297

Pat Maddox <pat@patmaddox.com> changed:

           What    |Removed                     |Added
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                 CC|                            |pat@patmaddox.com

--- Comment #6 from Pat Maddox <pat@patmaddox.com> ---
I also have a comet lake, and trying to load the i915kms module appears to fail
on 14:

    Dec  5 22:14:30 beastie14 kernel: iic0: <I2C generic I/O> on iicbus0
    Dec  5 22:14:30 beastie14 kernel: iic1: <I2C generic I/O> on iicbus1
    Dec  5 22:14:30 beastie14 kernel: drmn0: <drmn> on vgapci0
    Dec  5 22:14:30 beastie14 kernel: vgapci0: child drmn0 requested
pci_enable_io
    Dec  5 22:14:30 beastie14 syslogd: last message repeated 1 times
    Dec  5 22:14:30 beastie14 kernel: drmn drmn0:
drm_WARN_ON(!IS_PLATFORM(dev_priv, INTEL_TIGERLAKE) && !IS_PLATFORM(dev_priv,
INTEL_ROCKETLAKE))
    Dec  5 22:14:30 beastie14 kernel: 
    Dec  5 22:14:30 beastie14 kernel: [drm] Unable to create a private tmpfs
mount, hugepage support will be disabled(-19).
    Dec  5 22:14:30 beastie14 kernel: [drm] Got stolen memory base 0x0, size
0x0
    Dec  5 22:14:30 beastie14 kernel: drmn0: could not load firmware image
'i915/kbl_dmc_ver1_04.bin'
    Dec  5 22:14:30 beastie14 kernel: drmn0: [drm] Failed to load DMC firmware
i915/kbl_dmc_ver1_04.bin. Disabling runtime power management.
    Dec  5 22:14:30 beastie14 kernel: drmn0: [drm] DMC firmware homepage:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915lkpi_iic0:
<LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus2: <Philips I2C bus> on lkpi_iic0
    Dec  5 22:14:30 beastie14 kernel: iic2: <I2C generic I/O> on iicbus2
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic1: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus3: <Philips I2C bus> on lkpi_iic1
    Dec  5 22:14:30 beastie14 kernel: iic3: <I2C generic I/O> on iicbus3
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic2: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus4: <Philips I2C bus> on lkpi_iic2
    Dec  5 22:14:30 beastie14 kernel: iic4: <I2C generic I/O> on iicbus4
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic3: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus5: <Philips I2C bus> on lkpi_iic3
    Dec  5 22:14:30 beastie14 kernel: iic5: <I2C generic I/O> on iicbus5
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic4: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus6: <Philips I2C bus> on lkpi_iic4
    Dec  5 22:14:30 beastie14 kernel: iic6: <I2C generic I/O> on iicbus6
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic5: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus7: <Philips I2C bus> on lkpi_iic5
    Dec  5 22:14:30 beastie14 kernel: iic7: <I2C generic I/O> on iicbus7
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic6: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus8: <Philips I2C bus> on lkpi_iic6
    Dec  5 22:14:30 beastie14 kernel: iic8: <I2C generic I/O> on iicbus8
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic7: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus9: <Philips I2C bus> on lkpi_iic7
    Dec  5 22:14:30 beastie14 kernel: iic9: <I2C generic I/O> on iicbus9
    Dec  5 22:14:30 beastie14 kernel: lkpi_iic8: <LinuxKPI I2C> on drmn0
    Dec  5 22:14:30 beastie14 kernel: iicbus10: <Philips I2C bus> on lkpi_iic8
    Dec  5 22:14:30 beastie14 kernel: iic10: <I2C generic I/O> on iicbus10
    Dec  5 22:14:30 beastie14 kernel: drmn0: [drm] *ERROR* crtc 51: Can't
calculate constants, dotclock = 0!
    Dec  5 22:14:30 beastie14 kernel: drmn drmn0:
drm_WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev))drmn drmn0:
drm_WARN_ON(!pll->info->funcs->get_hw_state(dev_priv, pll,
&pipe_config->dpll_hw_state))
    Dec  5 22:14:30 beastie14 kernel: crtc active state doesn't match with hw
state (expected 0, found 1)
    Dec  5 22:14:30 beastie14 kernel: sysctl_warn_reuse: can't re-use a leaf
(hw.dri.debug)!
    Dec  5 22:14:30 beastie14 kernel: [drm] Initialized i915 1.6.0 20200917 for
drmn0 on minor 0
    Dec  5 22:14:30 beastie14 kernel: drmn0: [drm] Cannot find any crtc or
sizes

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