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authorChris Wilson <chris@chris-wilson.co.uk>2011-01-16 19:37:30 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2011-01-19 12:32:21 +0000
commit01fe9dbde19a1a27b8ee63e2d964562962e1eb78 (patch)
treecede652e37a3e96acbbe04efe14be23bcc6ff8ea /drivers/gpu/drm/i915/intel_opregion.c
parentc56eb8fb6dccb83d9fe62fd4dc00c834de9bc470 (diff)
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.c2
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 f295a7aaadf..aeec83fc694 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");