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| author | Duncan Laurie <dlaurie@chromium.org> | 2013-05-28 07:49:09 -0700 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-11-25 23:47:54 +0100 |
| commit | c7f2ab742b2589281efa852309e29c8da5270fbe (patch) | |
| tree | 534c3a92b64ea0b0a90b03c4e873af950718d26f /src/mainboard/asrock/imb-a180 | |
| parent | 22419e045616c344c7a2a308c5ef086a221ad006 (diff) | |
| download | coreboot-c7f2ab742b2589281efa852309e29c8da5270fbe.tar.xz | |
haswell: Add magic to turn on grahpics in normal mode
The haswell i915 kernel driver apparently expects the VBIOS
to set a few specific registers. This sequence is enough to
make the driver happy without executing the VBIOS.
This also makes graphics work after suspend/resume.
Change-Id: I34937d55ffff8a9445442e6e6ca1bfc49869da63
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/56806
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4195
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/asrock/imb-a180')
0 files changed, 0 insertions, 0 deletions