[Intel-gfx] drm-intel-nightly: [drm] Wrong MCH_SSKPD value: 0x16040307

[Sedat Dilek]

On Wed, Feb 13, 2013 at 12:15 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote:
> Hi,
>
> dunno if this is a problem of i915 or drm, seen with today's next plus
> drm-intel-nightly on top:
>
> $ dmesg | egrep -i 'vga|drm|i915|fbcon|fb0:|fb1:|frame buffer'
> [    0.169185] vgaarb: device added:
> PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
> [    0.169192] vgaarb: loaded
> [    0.169194] vgaarb: bridge control possible 0000:00:02.0
> [   10.753557] [drm] Initialized drm 1.1.0 20060810
> [   11.893511] [drm] Memory usable by graphics device = 2048M
> [   11.893519] i915 0000:00:02.0: setting latency timer to 64
> [   11.932298] i915 0000:00:02.0: irq 49 for MSI/MSI-X
> [   11.932314] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> [   11.932316] [drm] Driver supports precise vblank timestamp query.
> [   11.932388] vgaarb: device changed decodes:
> PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
> [   11.942391] [drm] Wrong MCH_SSKPD value: 0x16040307
> [   11.942395] [drm] This can cause pipe underruns and display issues.
> [   11.942396] [drm] Please upgrade your BIOS to fix this.
> [   11.958989] fbcon: inteldrmfb (fb0) is primary device
> [   13.004539] Console: switching to colour frame buffer device 170x48
> [   13.007758] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> [   13.007760] i915 0000:00:02.0: registered panic notifier
> [   13.009289] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
> [   13.812079] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [  124.988792] i915 0000:00:02.0: setting latency timer to 64
> [  124.994748] [drm] Wrong MCH_SSKPD value: 0x16040307
> [  124.994749] [drm] This can cause pipe underruns and display issues.
> [  124.994749] [drm] Please upgrade your BIOS to fix this.
> [  126.654709] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
>
> Please, have also a look at the attached files!
>

Hmm, BROKEN BIOS here?

[   11.967307] [drm] Wrong MCH_SSKPD value: 0x16040307
[   11.967310] [drm] This can cause pipe underruns and display issues.
[   11.967311] [drm] Please upgrade your BIOS to fix this

Samsung notebooks seems not to be a good choice these days :-)?

I have checked last Tuesday the latest available firmware after
upgrading win7 (MS patchday).

Any other workaround I can do?

- Sedat -

> Regards,
> - Sedat -