[PATCH] drm/i915: warn about missing ->get_buf_trans initialization

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Make sure each DDI platform has sane ->get_buf_trans initialized.

Suggested-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
index 94e64661b4fd..85f58dd3df72 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -1673,7 +1673,9 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
 		encoder->get_buf_trans = skl_get_buf_trans;
 	} else if (IS_BROADWELL(i915)) {
 		encoder->get_buf_trans = bdw_get_buf_trans;
-	} else {
+	} else if (IS_HASWELL(i915)) {
 		encoder->get_buf_trans = hsw_get_buf_trans;
+	} else {
+		MISSING_CASE(INTEL_INFO(i915)->platform);
 	}
 }
-- 
2.30.2