[Bug 1910861] Missing required logs.

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 1910861

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.

** Changed in: linux (Ubuntu)
Status: New => Incomplete

** Tags added: focal

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https://bugs.launchpad.net/bugs/1910861

Title:
Screen Keeps Blinking/Flickering after waking up from lock

Status in linux package in Ubuntu:
Incomplete

Bug description:
Description: Ubuntu 20.04.1 LTS
Release: 20.04

What you expected to happen?
After waking up from lock it should show the enter password screen and then after entering password it should show desktop

What happened instead?
After waking up the machine from lock , its starts flickering/blinking with black backlight for some times (from 20 seconds to 5 mins) and then shows enter password screen to login.

Following is my hardware information along with a short video what
happens

Hardware Information :
System: Kernel: 5.8.0-36-generic x86_64 bits: 64 compiler: N/A Desktop: Gnome 3.36.3
           Distro: Ubuntu 20.04.1 LTS (Focal Fossa)
Machine: Type: Laptop System: Dell product: Vostro 15-3568 v: N/A serial: <filter>
           Mobo: Dell model: 01Y1RD v: A00 serial: <filter> UEFI: Dell v: 01.08.00 date: 03/23/2017

CPU: Topology: Dual Core model: Intel Core i5-7200U bits: 64 type: MT MCP arch: Amber Lake rev: 9 L2 cache: 3072 KiB
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 21599
           Speed: 800 MHz min/max: 400/3100 MHz Core speeds (MHz): 1: 802 2: 800 3: 800 4: 800
Graphics: Device-1: Intel HD Graphics 620 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0
           Display: wayland server: X.Org 1.20.8 driver: i915 resolution: 1366x768~48Hz
           OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.0.8 direct render: Yes

Video Link : hhttps://youtu.be/XPfYNbduPig

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