[Bug 60046] [845G KMS] Blank screen using KMS

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60046

--- Comment #12 from Trey Ramsay <tramsay at linux.vnet.ibm.com> ---
Looks like the reason it is working on 3.8-rc5 is because the drm indicated
that there was no driver support for vblank timestamp query.  So it doesn't
appear to be using KMS in 3.8-rc5.

3.8-rc5
[    1.234348] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[    1.241052] [drm] No driver support for vblank timestamp query.
[    1.247000] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor
0

3.3.4-5.fc17
[    3.301722] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[    3.308365] [drm] Driver supports precise vblank timestamp query.
[    3.354705] [drm:init_vbt_defaults], Set default to SSC at 66MHz
[    3.354752] [drm:parse_general_features], BDB_GENERAL_FEATURES
int_tv_support
 1 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 48 display_clock_mode 0
[    3.354762] [drm:parse_general_definitions], crt_ddc_bus_pin: 2
[    3.354769] [drm:parse_sdvo_device_mapping], different child size is found.
I
nvalid.
[    3.354774] [drm:parse_device_mapping], different child size is found.
Invali
d.
[    3.354805] [drm:quirk_pipea_force], applying pipe a force quirk
[    3.354814] [drm:intel_modeset_init], 1 display pipe available.
[    3.354828] [drm:intel_modeset_init], plane 0 init failed: -19
[    3.354846] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+me
m,decodes=io+mem:owns=io+mem
[    3.364761] [drm:drm_sysfs_connector_add], adding "VGA-1" to sysfs

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