Signed-off-by: Jani Nikula <[email protected]>
---
drivers/gpu/drm/i915/intel_opregion.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_opregion.c
b/drivers/gpu/drm/i915/intel_opregion.c
index d8de1d5140a7..bce9bbe05549 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -864,6 +864,11 @@ int intel_opregion_setup(struct drm_device *dev)
char buf[sizeof(OPREGION_SIGNATURE)];
int err = 0;
+ BUILD_BUG_ON(sizeof(struct opregion_header) != 0x100);
+ BUILD_BUG_ON(sizeof(struct opregion_acpi) != 0x100);
+ BUILD_BUG_ON(sizeof(struct opregion_swsci) != 0x100);
+ BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100);
+
pci_read_config_dword(dev->pdev, PCI_ASLS, &asls);
DRM_DEBUG_DRIVER("graphic opregion physical addr: 0x%x\n", asls);
if (asls == 0) {
--
2.1.4
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