groovy/linux: 5.8.0-19.20 -proposed tracker

This bug was fixed in the package linux - 5.8.0-19.20

---------------
linux (5.8.0-19.20) groovy; urgency=medium

  * groovy/linux: 5.8.0-19.20 -proposed tracker (LP: #1895120)

  * Please switch default, hwe, oem kernel flavours governor to
    CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y , such that advanced userspace
    utilities such as game-mode can be later used to rev-up to to performance,
    or rev-down to powersave. (LP: #1885730)
    - [Config] Set the default CPU governor to ONDEMAND

  * Packaging resync (LP: #1786013)
    - update dkms package versions
    - [Packaging] update variants

  * [WD19TB] external DP failed with DRM error message (LP: #1886165)
    - drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders
    - drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock

  * Groovy update: v5.8.8 upstream stable release (LP: #1895097)
    - hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_1 telemetry for RAA228228
    - HID: quirks: Always poll three more Lenovo PixArt mice
    - drm/msm/dpu: Fix reservation failures in modeset
    - drm/msm/dpu: Fix scale params in plane validation
    - drm/msm/dpu: fix unitialized variable error
    - tty: serial: qcom_geni_serial: Drop __init from qcom_geni_console_setup
    - drm/msm: add shutdown support for display platform_driver
    - hwmon: (applesmc) check status earlier.
    - nvmet: Disable keep-alive timer when kato is cleared to 0h
    - drm/msm: enable vblank during atomic commits
    - habanalabs: unmap PCI bars upon iATU failure
    - habanalabs: validate packet id during CB parse
    - habanalabs: set clock gating according to mask
    - habanalabs: proper handling of alloc size in coresight
    - habanalabs: set max power according to card type
    - habanalabs: validate FW file size
    - habanalabs: check correct vmalloc return code
    - drm/msm/a6xx: fix gmu start on newer firmware
    - gfs2: add some much needed cleanup for log flushes that fail
    - hv_utils: return error if host timesysnc update is stale
    - hv_utils: drain the timesync packets on onchannelcallback
    - ceph: don't allow setlease on cephfs
    - i2c: iproc: Fix shifting 31 bits
    - drm/omap: fix incorrect lock state
    - irqchip/ingenic: Leave parent IRQ unmasked on suspend
    - cpuidle: Fixup IRQ state
    - nbd: restore default timeout when setting it to zero
    - s390: don't trace preemption in percpu macros
    - drm/amd/display: should check error using DC_OK
    - drm/amd/display: Reject overlay plane configurations in multi-display
      scenarios
    - drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in
      amdgpu_dm_update_backlight_caps
    - drm/amd/display: Revert HDCP disable sequence change
    - drm/amd/display: Fix passive dongle mistaken as active dongle in EDID
      emulation
    - drm/amd/display: Keep current gain when ABM disable immediately
    - drm/amd/display: Retry AUX write when fail occurs
    - drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init
    - xen/xenbus: Fix granting of vmalloc'd memory
    - fsldma: fix very broken 32-bit ppc ioread64 functionality
    - dmaengine: of-dma: Fix of_dma_router_xla...