FS#66169 - [linux] 5.6.2 reduces colour depth

Attached to Project: Arch Linux
Opened by Chandradeep Dey (chandradeepdey) - Wednesday, 08 April 2020, 12:05 GMT
Last edited by freswa (frederik) - Thursday, 09 April 2020, 15:05 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Jan Alexander Steffens (heftig)
Levente Polyak (anthraxx)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Colours look separated. Shadows don't blend properly. http://www.lagom.nl/lcd-test/gradient.php the image becomes like the bottommost image.

Additional info:
1) Works fine in linux-lts
2) I have a 7700HQ + 1050Ti laptop with prime render offload

Workarounds:
Suspending and resuming fixes it until next boot
This task depends upon

Closed by  freswa (frederik)
Thursday, 09 April 2020, 15:05 GMT
Reason for closing:  Fixed
Additional comments about closing:  5.6.3
Comment by Chandradeep Dey (chandradeepdey) - Wednesday, 08 April 2020, 12:11 GMT
dmesg related to i915 and nvidia didn't seem different between linux and linux-lts, other than the version numbers.
Comment by Chandradeep Dey (chandradeepdey) - Wednesday, 08 April 2020, 13:04 GMT
Edit: this comment might be a separate issue

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