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Bug 876549 - drm cherry-pick patch from upstream bug for 6.4 [rhel-6.3.z]
Summary: drm cherry-pick patch from upstream bug for 6.4 [rhel-6.3.z]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.4
Hardware: Unspecified
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Frantisek Hrbata
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On: 857792
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-11-14 12:36 UTC by Jiri Pallich
Modified: 2018-11-30 21:06 UTC (History)
11 users (show)

Fixed In Version: kernel-2.6.32-279.19.1.el6
Doc Type: Bug Fix
Doc Text:
Some BIOS firmware versions could leave the "Frame Start Delay" bits of the PIPECONF register in test mode on selected Intel chipsets. Consequently, video output on certain Lenovo laptop series, such as T41x or T42x, became corrupted (for example, the screen appeared to be split and shifted to the right) after upgrading VBIOS from version 2130 to 2132. This update corrects the problem by resetting the "Frame Start Delay" bits for the normal operation use in the DRM driver. Video output of the previously affected Lenovo models is now correct.
Clone Of:
Environment:
Last Closed: 2012-12-18 22:35:06 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:1580 0 normal SHIPPED_LIVE Moderate: kernel security, bug fix and enhancement update 2012-12-19 03:31:48 UTC

Description Jiri Pallich 2012-11-14 12:36:05 UTC 
This bug has been copied from bug #857792 and has been proposed
to be backported to 6.3 z-stream (EUS).
Comment 5 Dave Airlie 2012-11-14 21:40:02 UTC 
are these patches marked for stable upstream?

if not, can this happen prior to us including them, so we know they get more broad testing?
Comment 16 errata-xmlrpc 2012-12-18 22:35:06 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2012-1580.html
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