[SRU][F/OEM-5.6] add a new OLED panel support for brightness control

[AaronMa]

[Impact]
Lenovo reported that a new OLED panel needs dpcd support to
change screen brightness.

[Fix]
Add the panel ID in quirk list to support dpcd control.

[Test]
Verified on hardware by Lenovo.

[Regression Potential]
Low
Upstream fix, clean cherry-picked.
Add an ID only affected on specific hw.
Unstable branch already got this patch.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1887909

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[AaronMa (mapengyu)]

Verified on 5.6-1021-oem kernel.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-oem-5.6 - 5.6.0-1021.21

---------------
linux-oem-5.6 (5.6.0-1021.21) focal; urgency=medium

  * focal/linux-oem-5.6: 5.6.0-1021.21 -proposed tracker (LP: #1889371)

  * Fix right speaker of HP laptop (LP: #1889375)
    - SAUCE: hda/realtek: Fix right speaker of HP laptop

  * blk_update_request error when mount nvme partition (LP: #1872383)
    - SAUCE: nvme-pci: prevent SK hynix PC400 from using Write Zeroes command

  * cgroup refcount is bogus when cgroup_sk_alloc is disabled (LP: #1886860)
    - cgroup: fix cgroup_sk_alloc() for sk_clone_lock()
    - cgroup: Fix sock_cgroup_data on big-endian.

  * Add support for Atlantic NIC firmware v4 (LP: #1886908)
    - net: atlantic: simplify hw_get_fw_version() usage
    - net: atlantic: align return value of ver_match function with function name
    - net: atlantic: add support for FW 4.x

  * Restart the machine successfully after suspend (LP: #1888375)
    - SAUCE: iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu
    - iommu/vt-d: Don't apply gfx quirks to untrusted devices

  * Wakeup the system by touching the touchpad (LP: #1888331)
    - gpio: gpiolib: Allow GPIO IRQs to lazy disable
    - HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle

  * soc/amd/renoir: detect dmic from acpi table (LP: #1887734)
    - ASoC: amd: add logic to check dmic hardware runtime
    - ASoC: amd: add ACPI dependency check
    - ASoC: amd: fixed kernel warnings

  * [SRU][PATCH 0/1][oem-5.6] fix amd RENOIR screen backlight issue.
    (LP: #1886785)
    - Revert "drm/amd/display: disable dcn20 abm feature for bring up"

  * Enable Quectel EG95 LTE modem [2c7c:0195] (LP: #1886744)
    - net: usb: qmi_wwan: add support for Quectel EG95 LTE modem
    - USB: serial: option: add Quectel EG95 LTE modem

  * soc/amd/renoir: change the module name to make it work with ucm3
    (LP: #1888166)
    - AsoC: amd: add missing snd- module prefix to the acp3x-rn driver kernel
      module
    - remove a kernel module since its name is changed

  * System stops responding while entering S3 with SD card installed
    (LP: #1880519)
    - xhci: Return if xHCI doesn't support LPM
    - xhci: Poll for U0 after disabling USB2 LPM

  * [SRU][F/OEM-5.6] add a new OLED panel support for brightness control
    (LP: #1887909)
    - drm/dp: Lenovo X13 Yoga OLED panel brightness fix

 -- Timo Aaltonen <email address hidden> Wed, 29 Jul 2020 21:08:56 +0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-oem-5.6 - 5.6.0-1021.21+20.10.2

---------------
linux-oem-5.6 (5.6.0-1021.21+20.10.2) groovy; urgency=medium

  * dkms artifacts may expire from the pool (LP: #1850958)
    - [Packaging] autoreconstruct -- manage executable debian files

linux-oem-5.6 (5.6.0-1021.21+20.10.1) groovy; urgency=medium

  * dkms artifacts may expire from the pool (LP: #1850958)
    - [packaging] handle downloads from the librarian better

  * Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts
    - [Packaging] update update.conf
    - update dkms package versions

  * Introduce the new NVIDIA 450-server and the 450 UDA series (LP: #1887674)
    - [Packaging] NVIDIA -- Add signed modules for 450

  * Miscellaneous upstream changes
    - usbip: tools: fix build error for multiple definition
    - libtraceevent: Fix build with binutils 2.35
    - perf cs-etm: Move definition of 'traceid_list' global variable from header
      file

linux-oem-5.6 (5.6.0-1021.21) groovy; urgency=medium

  * Emtpy entry.

linux-oem-5.6 (5.6.0-1021.21) focal; urgency=medium

  * focal/linux-oem-5.6: 5.6.0-1021.21 -proposed tracker (LP: #1889371)

  * Fix right speaker of HP laptop (LP: #1889375)
    - SAUCE: hda/realtek: Fix right speaker of HP laptop

  * blk_update_request error when mount nvme partition (LP: #1872383)
    - SAUCE: nvme-pci: prevent SK hynix PC400 from using Write Zeroes command

  * cgroup refcount is bogus when cgroup_sk_alloc is disabled (LP: #1886860)
    - cgroup: fix cgroup_sk_alloc() for sk_clone_lock()
    - cgroup: Fix sock_cgroup_data on big-endian.

  * Add support for Atlantic NIC firmware v4 (LP: #1886908)
    - net: atlantic: simplify hw_get_fw_version() usage
    - net: atlantic: align return value of ver_match function with function name
    - net: atlantic: add support for FW 4.x

  * Restart the machine successfully after suspend (LP: #1888375)
    - SAUCE: iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu
    - iommu/vt-d: Don't apply gfx quirks to untrusted devices

  * Wakeup the system by touching the touchpad (LP: #1888331)
    - gpio: gpiolib: Allow GPIO IRQs to lazy disable
    - HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle

  * soc/amd/renoir: detect dmic from acpi table (LP: #1887734)
    - ASoC: amd: add logic to check dmic hardware runtime
    - ASoC: amd: add ACPI dependency check
    - ASoC: amd: fixed kernel warnings

  * [SRU][PATCH 0/1][oem-5.6] fix amd RENOIR screen backlight issue.
    (LP: #1886785)
    - Revert "drm/amd/display: disable dcn20 abm feature for bring up"

  * Enable Quectel EG95 LTE modem [2c7c:0195] (LP: #1886744)
    - net: usb: qmi_wwan: add support for Quectel EG95 LTE modem
    - USB: serial: option: add Quectel EG95 LTE modem

  * soc/amd/renoir: change the module name to make it work with ucm3
    (LP: #1888166)
    - AsoC: amd: add missing snd- module prefix to the acp3x-rn driver kernel
      module
    - remove a kernel module since its name is changed

  * System stops responding while entering S3 with SD card installed
    (LP: #1880519)
    - xhci: Return if xHCI doesn't support LPM
    - xhci: Poll for U0 after disabl...

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.4.0-48.52

---------------
linux (5.4.0-48.52) focal; urgency=medium

  * focal/linux: 5.4.0-48.52 -proposed tracker (LP: #1894654)

  * mm/slub kernel oops on focal kernel 5.4.0-45 (LP: #1895109)
    - SAUCE: Revert "mm/slub: fix a memory leak in sysfs_slab_add()"

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

  * Introduce the new NVIDIA 450-server and the 450 UDA series (LP: #1887674)
    - [packaging] add signed modules for nvidia 450 and 450-server

  * [UBUNTU 20.04] zPCI attach/detach issues with PF/VF linking support
    (LP: #1892849)
    - s390/pci: fix zpci_bus_link_virtfn()
    - s390/pci: re-introduce zpci_remove_device()
    - s390/pci: fix PF/VF linking on hot plug

  * [UBUNTU 20.04] kernel: s390/cpum_cf,perf: changeDFLT_CCERROR counter name
    (LP: #1891454)
    - s390/cpum_cf, perf: change DFLT_CCERROR counter name

  * [UBUNTU 20.04] zPCI: Enabling of a reserved PCI function regression
    introduced by multi-function support (LP: #1891437)
    - s390/pci: fix enabling a reserved PCI function

  * CVE-2020-12888
    - vfio/type1: Support faulting PFNMAP vmas
    - vfio-pci: Fault mmaps to enable vma tracking
    - vfio-pci: Invalidate mmaps and block MMIO access on disabled memory

  * [Hyper-V] VSS and File Copy daemons intermittently fails to start
    (LP: #1891224)
    - [Packaging] Bind hv_vss_daemon startup to hv_vss device
    - [Packaging] bind hv_fcopy_daemon startup to hv_fcopy device

  * alsa/hdmi: support nvidia mst hdmi/dp audio (LP: #1867704)
    - ALSA: hda - Rename snd_hda_pin_sense to snd_hda_jack_pin_sense
    - ALSA: hda - Add DP-MST jack support
    - ALSA: hda - Add DP-MST support for non-acomp codecs
    - ALSA: hda - Add DP-MST support for NVIDIA codecs
    - ALSA: hda: hdmi - fix regression in connect list handling
    - ALSA: hda: hdmi - fix kernel oops caused by invalid PCM idx
    - ALSA: hda: hdmi - preserve non-MST PCM routing for Intel platforms
    - ALSA: hda: hdmi - Keep old slot assignment behavior for Intel platforms
    - ALSA: hda - Fix DP-MST support for NVIDIA codecs

  * Focal update: v5.4.60 upstream stable release (LP: #1892899)
    - smb3: warn on confusing error scenario with sec=krb5
    - genirq/affinity: Make affinity setting if activated opt-in
    - genirq/PM: Always unlock IRQ descriptor in rearm_wake_irq()
    - PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
    - PCI: Add device even if driver attach failed
    - PCI: qcom: Define some PARF params needed for ipq8064 SoC
    - PCI: qcom: Add support for tx term offset for rev 2.1.0
    - btrfs: allow use of global block reserve for balance item deletion
    - btrfs: free anon block device right after subvolume deletion
    - btrfs: don't allocate anonymous block device for user invisible roots
    - btrfs: ref-verify: fix memory leak in add_block_entry
    - btrfs: stop incremening log_batch for the log root tree when syncing log
    - btrfs: remove no longer needed use of log_writers for the log root tree
    - btrfs: don't traverse into the seed devices in show_devname
    - btrfs: open device...