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[07/11] drm/i915/opregion: make VBT size limit more strict

Message ID 4bdb3f5820e3dbd1cdfa7b65cadfce4f80b880f0.1450089383.git.jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jani Nikula Dec. 14, 2015, 10:50 a.m. UTC
The VBT in OpRegion should fit in mailbox #4.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_opregion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 9f992e7c6185..3c76a8684ff2 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -988,7 +988,7 @@  int intel_opregion_setup(struct drm_device *dev)
 
 	if (!dmi_check_system(intel_no_opregion_vbt)) {
 		void *vbt = base + OPREGION_VBT_OFFSET;
-		u32 vbt_size = OPREGION_SIZE - OPREGION_VBT_OFFSET;
+		u32 vbt_size = OPREGION_ASLE_EXT_OFFSET - OPREGION_VBT_OFFSET;
 
 		if (intel_bios_is_valid_vbt(vbt, vbt_size))
 			opregion->vbt = vbt;