[PATCH 19/26] drm/amd/display: Add writeback_config to VBA vars

[sunpeng.li at amd.com]

From: Ilya Bakoulin <Ilya.Bakoulin at amd.com>

Adding writeback_config enum to vba_vars_st, replacing old flag.
Initialize to dm_normal.

Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h
index c59e582..174c414 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h
@@ -147,4 +147,10 @@ enum dm_validation_status {
 	DML_FAIL_V_RATIO_PREFETCH,
 };
 
+enum writeback_config {
+	dm_normal,
+	dm_whole_buffer_for_single_stream_no_interleave,
+	dm_whole_buffer_for_single_stream_interleave,
+};
+
 #endif
-- 
2.7.4