* drm/i915: "Wrong MCH_SSKPD value: 0x16040307"
@ 2014-07-30 18:49 Paul Bolle
0 siblings, 0 replies; only message in thread
From: Paul Bolle @ 2014-07-30 18:49 UTC (permalink / raw)
To: Daniel Vetter, Jani Nikula, David Airlie
Cc: linux-thinkpad, intel-gfx, dri-devel
0) A ThinkPad X220 I use prints these messages at every boot and at
every resume:
[drm] Wrong MCH_SSKPD value: 0x16040307
[drm] This can cause pipe underruns and display issues.
[drm] Please upgrade your BIOS to fix this.
These messages can be seen for every kernel that's still in the logs
(the oldest is v3.11 based).
1) I'm not sure whether I actually run into "pipe underruns" or "display
issues". Is there something specific I should look for?
2) Now it happens that this laptop already runs the latest BIOS. So, if
I were to contact Lenovo to see if they could release a BIOS update to
fix this, what should I ask them to do?
Paul Bolle
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