[v3,1/9] drm/bridge: synopsys: dw-mipi-dsi: Add dw_mipi_dsi_get_bridge() helper

Commit Message

Ying Liu Aug. 7, 2023, 5:26 a.m. UTC

Add dw_mipi_dsi_get_bridge() helper so that it can be used by vendor
drivers which implement vendor specific extensions to Synopsys DW MIPI DSI.

Signed-off-by: Liu Ying <[e-mail]>
---
v1->v3:
* No change.

 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 6 ++++++
 include/drm/bridge/dw_mipi_dsi.h              | 2 ++
 2 files changed, 8 insertions(+)

Patch

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index b2efecf7d160..57eae0fdd970 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -1207,6 +1207,12 @@  void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave)
 }
 EXPORT_SYMBOL_GPL(dw_mipi_dsi_set_slave);
 
+struct drm_bridge *dw_mipi_dsi_get_bridge(struct dw_mipi_dsi *dsi)
+{
+	return &dsi->bridge;
+}
+EXPORT_SYMBOL_GPL(dw_mipi_dsi_get_bridge);
+
 /*
  * Probe/remove API, used from platforms based on the DRM bridge API.
  */
diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h
index 5286a53a1875..f54621b17a69 100644
--- a/include/drm/bridge/dw_mipi_dsi.h
+++ b/include/drm/bridge/dw_mipi_dsi.h
@@ -11,6 +11,7 @@ 
 
 #include <linux/types.h>
 
+#include <drm/drm_bridge.h>
 #include <drm/drm_modes.h>
 
 struct drm_display_mode;
@@ -68,5 +69,6 @@  void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
 int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
 void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
 void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
+struct drm_bridge *dw_mipi_dsi_get_bridge(struct dw_mipi_dsi *dsi);
 
 #endif /* __DW_MIPI_DSI__ */