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>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5969f46..536368a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -111,6 +111,7 @@
struct opregion_swsci *swsci;
struct opregion_asle *asle;
void *vbt;
+ u32 __iomem *lid_state;
};
#define OPREGION_SIZE (8*1024)