drm/msm/dsi: remove msm_dsi::encoder

There is no need anymore to stop the drm_encoder instance in struct
msm_dsi. Remove corresponding field.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/561697/
Link: https://lore.kernel.org/r/20231009205727.2781802-5-dmitry.baryshkov@linaro.org

drivers/gpu/drm/msm/dsi/dsi.c

@@ -236,9 +236,7 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
 		return 0;
 	}
 
-	msm_dsi->encoder = encoder;
-
-	bridge = msm_dsi_manager_bridge_init(msm_dsi);
+	bridge = msm_dsi_manager_bridge_init(msm_dsi, encoder);
 	if (IS_ERR(bridge)) {
 		ret = PTR_ERR(bridge);
 		DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);

drivers/gpu/drm/msm/dsi/dsi.h

@@ -41,14 +41,12 @@ struct msm_dsi {
 	struct device *phy_dev;
 	bool phy_enabled;
 
-	/* the encoder we are hooked to (outside of dsi block) */
-	struct drm_encoder *encoder;
-
 	int id;
 };
 
 /* dsi manager */
-struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi);
+struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi,
+					       struct drm_encoder *encoder);
 int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge);
 int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
 bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);

drivers/gpu/drm/msm/dsi/dsi_manager.c

@@ -431,11 +431,11 @@ static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = {
 };
 
 /* initialize bridge */
-struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi)
+struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi,
+					       struct drm_encoder *encoder)
 {
 	struct drm_bridge *bridge;
 	struct dsi_bridge *dsi_bridge;
-	struct drm_encoder *encoder;
 	int ret;
 
 	dsi_bridge = devm_kzalloc(msm_dsi->dev->dev,
@@ -445,8 +445,6 @@ struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi)
 
 	dsi_bridge->id = msm_dsi->id;
 
-	encoder = msm_dsi->encoder;
-
 	bridge = &dsi_bridge->base;
 	bridge->funcs = &dsi_mgr_bridge_funcs;
 
@@ -474,7 +472,7 @@ int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge)
 	if (IS_ERR(ext_bridge))
 		return PTR_ERR(ext_bridge);
 
-	encoder = msm_dsi->encoder;
+	encoder = int_bridge->encoder;
 
 	/*
 	 * Try first to create the bridge without it creating its own