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 protected]> Wed, 29 Jul 2020
21:08:56 +0300
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1887909
Title:
[SRU][F/OEM-5.6] add a new OLED panel support for brightness control
Status in linux package in Ubuntu:
Triaged
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux source package in Focal:
Triaged
Status in linux-oem-5.6 source package in Focal:
Fix Released
Bug description:
[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.
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