[haiku-bugs] Re: [Haiku] #13580: Black Screen on Thinkpad T400 with Intel graphics and Coreboot

  • From: "johkra" <trac@xxxxxxxxxxxx>
  • Date: Sun, 02 Jul 2017 17:56:29 -0000

#13580: Black Screen on Thinkpad T400 with Intel graphics and Coreboot
--------------------------------+----------------------------
   Reporter:  johkra            |      Owner:  nobody
       Type:  bug               |     Status:  new
   Priority:  normal            |  Milestone:  Unscheduled
  Component:  Drivers/Graphics  |    Version:  R1/Development
 Resolution:                    |   Keywords:
 Blocked By:                    |   Blocking:
Has a Patch:  1                 |   Platform:  All
--------------------------------+----------------------------

Comment (by johkra):

 Yes, Linux boots into graphics mode. I've previously also booted OpenBSD
 into X. Both should use the kernel modesetting code.

 In coreboot, the option CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT is enabled. I
 use SeaBIOS which uses SeaVGABios. Unfortunately, I don't know how all of
 these components interact, but it is possible that this setup doesn't
 provide the same interfaces as Intel's VGA firmware.

--
Ticket URL: <https://dev.haiku-os.org/ticket/13580#comment:5>
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