drm/msm: Add split display interface

This change is to add an interface to MDP for connector devices
setting split display information.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 3a78cb48662b..a9f17bdb4530 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -47,6 +47,10 @@ struct msm_kms_funcs {
         const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
         long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
                         struct drm_encoder *encoder);
+        int (*set_split_display)(struct msm_kms *kms,
+                        struct drm_encoder *encoder,
+                        struct drm_encoder *slave_encoder,
+                        bool is_cmd_mode);
         /* cleanup: */
         void (*preclose)(struct msm_kms *kms, struct drm_file *file);
         void (*destroy)(struct msm_kms *kms);