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| author | Chris Wilson | 2011-01-16 20:37:30 +0100 |
|---|---|---|
| committer | Chris Wilson | 2011-01-19 13:32:21 +0100 |
| commit | 01fe9dbde19a1a27b8ee63e2d964562962e1eb78 (patch) | |
| tree | cede652e37a3e96acbbe04efe14be23bcc6ff8ea /drivers/gpu/drm/i915/intel_opregion.c | |
| parent | Linux 2.6.38-rc1 (diff) | |
| download | kernel-qcow2-linux-01fe9dbde19a1a27b8ee63e2d964562962e1eb78.tar.gz kernel-qcow2-linux-01fe9dbde19a1a27b8ee63e2d964562962e1eb78.tar.xz kernel-qcow2-linux-01fe9dbde19a1a27b8ee63e2d964562962e1eb78.zip | |
drm/i915: Use ACPI OpRegion to determine lid status
Admittedly, trusting ACPI or the BIOS at all to be correct is littered
with numerous examples where it is wrong. Maybe, just maybe, we will
have better luck using the ACPI OpRegion lid status...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index f295a7aaadf9..aeec83fc6940 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -488,6 +488,8 @@ int intel_opregion_setup(struct drm_device *dev) opregion->header = base; opregion->vbt = base + OPREGION_VBT_OFFSET; + opregion->lid_state = base + 0x01ac; + mboxes = opregion->header->mboxes; if (mboxes & MBOX_ACPI) { DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); |