[Intel-gfx] [BUGFIX] drm/i915: Fix for VBT expected size

[Mika Kahola]

Depending on the VBT BDB version the maximum size
can be up to 38 bytes.

This fix increases the maximum of the VBT expected size
from 33 bytes to 38 bytes and by doing so cures the kernel
hang on BSW box.

Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index f7ad6a5..788463d 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -246,7 +246,7 @@ struct common_child_dev_config {
 union child_device_config {
 	/* This one is safe to be used anywhere, but the code should still check
 	 * the BDB version. */
-	u8 raw[33];
+	u8 raw[38];
 	/* This one should only be kept for legacy code. */
 	struct old_child_dev_config old;
 	/* This one should also be safe to use anywhere, even without version
-- 
1.9.1