Bug 786747

Summary:	sys-kernel/gentoo-sources-5.12.* causes black stripes on ivybrisge i915.ko
Product:	Gentoo Linux	Reporter:	frank manz <relyddoppew-4401>
Component:	Current packages	Assignee:	Gentoo Kernel Bug Wranglers and Kernel Maintainers <kernel>
Status:	RESOLVED NEEDINFO
Severity:	normal	CC:	jstein
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---

Description frank manz 2021-04-29 10:06:39 UTC

This problem appeared 3 years ago was fixed then recently the kms was broken where you got the wrong mode which you could correct by switching resolution. Now in 5.12 Intel has readded the black line on ivybridge HD graphics 4000. Raising bugs on freedesktop dosnt work. Please find a patch attached to fix the mid calculation.

Reproducible: Always

Comment 1 Jonas Stein gentoo-dev

2021-04-29 16:51:03 UTC

please add the patch

Comment 2 Mike Pagano gentoo-dev

2021-05-15 20:14:18 UTC

Please attach the patch and re-open