[haiku-bugs] Re: [Haiku] #12920: Fail safe video mode should be automatically selected when GPU not supported by driver

  • From: "pulkomandy" <trac@xxxxxxxxxxxx>
  • Date: Tue, 23 Aug 2016 07:10:00 -0000

#12920: Fail safe video mode should be automatically selected when GPU not
supported by driver
--------------------------------+----------------------------
   Reporter:  vidrep            |      Owner:  nobody
       Type:  bug               |     Status:  new
   Priority:  normal            |  Milestone:  Unscheduled
  Component:  Drivers/Graphics  |    Version:  R1/Development
 Resolution:                    |   Keywords:
 Blocked By:                    |   Blocking:
Has a Patch:  0                 |   Platform:  All
--------------------------------+----------------------------

Comment (by pulkomandy):

 This feature is already there, if no driver supports the device, we
 fallback to VESA. The problem here is that the driver pretends it supports
 it, and then fails to get the display working.

 As can be sean in the log:
 {{{
 1805    KERN: intel_extreme: detect_intel_pch: Found Ibex Peak PCH
 1806    KERN: intel_extreme: (0) IronLake Desktop, revision = 0x2
 }}}

 And then later on:
 {{{
 4364    KERN: intel_extreme: _IlkTrain: FDI train 1 failure!
 4365    KERN: intel_extreme: Train: FDI training fault.
 }}}

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Ticket URL: <https://dev.haiku-os.org/ticket/12920#comment:4>
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