[Bug 63609] New: drm/i915 composite TV-OUT shows vertical flickering with kernel >= 3.6.11
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Apr 16 08:20:13 PDT 2013
https://bugs.freedesktop.org/show_bug.cgi?id=63609
Priority: medium
Bug ID: 63609
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: drm/i915 composite TV-OUT shows vertical flickering
with kernel >= 3.6.11
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: critical
Classification: Unclassified
OS: Linux (All)
Reporter: pierre.assal at verint.com
Hardware: x86 (IA32)
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 78092
--> https://bugs.freedesktop.org/attachment.cgi?id=78092&action=edit
dmesg with drm.debug=0xe
Hi
I have a custom PC with a custom motherboard from Advantech which has a E2160 @
1.80GHz intel CPU and the i915 intel chipset.
I have recently updated the kernel that I use from version 2.6.39 to 3.6.11 and
I have a problem with the i915 composite TV-OUT. This video output shows
vertical flickering with the new kernel. Also I have noticed that the TV-OUT is
no more enabled at kernel boot (it was enabled with kernel 2.6.39).
Then I have tried with the latest kernels 3.8.7 & 3.9-rc7 from krnel.org. With
these kernels, the TV-OUT is now enabled at kernel boot but is still flickering
vertically.
Then I have tried with kernels 3.0.73, 3.2.43 and finally 3.4.40. And I have
found that the TV-OUT seems to have been broken in kernel 3.4.40.
Can anyone help me in fixing this issue with kernel 3.6.11?
Attached you will find dmesg logs with drm.debug=0xe.
Regards,
Pierre Assal
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