[Intel-gfx] [PATCH v11 23/23] HACK: drm/i915/bios: ignore VBT not overflowing the mailbox

Jani Nikula jani.nikula at intel.com
Thu Nov 29 14:12:38 UTC 2018


Some machines seem to have a broken opregion where the VBT overflows the
mailbox. Ignore this until properly fixed.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 0694aa8bb9bc..39e502ea557c 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1706,7 +1706,6 @@ bool intel_bios_is_valid_vbt(const void *buf, size_t size)
 	bdb = get_bdb_header(vbt);
 	if (range_overflows_t(size_t, vbt->bdb_offset, bdb->bdb_size, size)) {
 		DRM_DEBUG_DRIVER("BDB incomplete\n");
-		return false;
 	}
 
 	return vbt;
-- 
2.11.0



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