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

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On 11/29/2018 7:42 PM, Jani Nikula wrote:
Some machines seem to have a broken opregion where the VBT overflows the
mailbox. Ignore this until properly fixed.

Right, otherwise DSI modeset doesn't progress further.
Acked-by: Madhav Chauhan <madhav.chauhan@xxxxxxxxx>

Regards,
Madhav


Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
  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;

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