[Bug 79261] [Samsung NP530U3C-A02CL] [drm:ilk_display_irq_handler] *ERROR* Pipe A FIFO underrun

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79261

Bozic Batta <bozic.batta at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |bozic.batta at gmail.com

--- Comment #4 from Bozic Batta <bozic.batta at gmail.com> ---
Hi, i also get similar mesages on fresh Arch install on HP 4740s (Graphics:
Intel Ivybridge Mobile, AMD Graphics disabled in BIOS)

[batta ~] $ dmesg | grep drm
[    3.774611] [drm] Initialized drm 1.1.0 20060810
[    3.952618] [drm] Memory usable by graphics device = 2048M
[    3.952621] [drm] Replacing VGA console driver
[    3.952626] fb: switching to inteldrmfb from VESA VGA
[    3.970214] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    3.970216] [drm] Driver supports precise vblank timestamp query.
[    3.993669] [drm] Wrong MCH_SSKPD value: 0x20100406
[    3.993672] [drm] This can cause pipe underruns and display issues.
[    3.993673] [drm] Please upgrade your BIOS to fix this.
[    4.021026] fbcon: inteldrmfb (fb0) is primary device
[    4.286357] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo
underrun on pch transcoder A
[    4.286359] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
[    4.664141] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    5.401456] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[    6.240743] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor
0

[batta ~]$ uname -r
3.16.1-1-ARCH

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