Instead of having two functions, msm_dsi_manager_bridge_init()
and msm_dsi_manager_ext_bridge_init(), merge them into
msm_dsi_manager_connector_init(), moving drm_bridge_attach() to be
called from the bridge's attach callback (as most other bridges do).
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/dsi/dsi.c | 10 +--------
drivers/gpu/drm/msm/dsi/dsi.h | 5 ++---
drivers/gpu/drm/msm/dsi/dsi_manager.c | 41 +++++++++++++++--------------------
3 files changed, 21 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 38f10f7a10d3..efd7c23b662f 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -232,7 +232,6 @@ void __exit msm_dsi_unregister(void)
int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
struct drm_encoder *encoder)
{
- struct drm_bridge *bridge;
int ret;
msm_dsi->dev = dev;
@@ -252,14 +251,7 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct
drm_device *dev,
return 0;
}
- 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);
- return ret;
- }
-
- ret = msm_dsi_manager_ext_bridge_init(msm_dsi->id, bridge);
+ ret = msm_dsi_manager_connector_init(msm_dsi, encoder);
if (ret) {
DRM_DEV_ERROR(dev->dev,
"failed to create dsi connector: %d\n", ret);
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index 0adef65be1de..afc290408ba4 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -47,9 +47,8 @@ struct msm_dsi {
};
/* dsi manager */
-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_connector_init(struct msm_dsi *msm_dsi,
+ struct drm_encoder *encoder);
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);
int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c
b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index b7c52b14c790..5b3f3068fd92 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -423,7 +423,18 @@ static enum drm_mode_status
dsi_mgr_bridge_mode_valid(struct drm_bridge *bridge,
return msm_dsi_host_check_dsc(host, mode);
}
+static int dsi_mgr_bridge_attach(struct drm_bridge *bridge,
+ enum drm_bridge_attach_flags flags)
+{
+ int id = dsi_mgr_bridge_get_id(bridge);
+ struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
+
+ return drm_bridge_attach(bridge->encoder, msm_dsi->next_bridge,
+ bridge, flags);
+}
+
static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = {
+ .attach = dsi_mgr_bridge_attach,
.pre_enable = dsi_mgr_bridge_pre_enable,
.post_disable = dsi_mgr_bridge_post_disable,
.mode_set = dsi_mgr_bridge_mode_set,
@@ -431,17 +442,19 @@ 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_encoder *encoder)
+int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi,
+ struct drm_encoder *encoder)
{
+ struct drm_device *dev = msm_dsi->dev;
struct drm_bridge *bridge;
struct dsi_bridge *dsi_bridge;
+ struct drm_connector *connector;
int ret;
dsi_bridge = devm_kzalloc(msm_dsi->dev->dev,
sizeof(*dsi_bridge), GFP_KERNEL);
if (!dsi_bridge)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
dsi_bridge->id = msm_dsi->id;
@@ -450,27 +463,9 @@ struct drm_bridge *msm_dsi_manager_bridge_init(struct
msm_dsi *msm_dsi,
ret = devm_drm_bridge_add(msm_dsi->dev->dev, bridge);
if (ret)
- return ERR_PTR(ret);
-
- ret = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (ret)
- return ERR_PTR(ret);
-
- return bridge;
-}
-
-int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge)
-{
- struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
- struct drm_device *dev = msm_dsi->dev;
- struct drm_encoder *encoder;
- struct drm_connector *connector;
- int ret;
-
- encoder = int_bridge->encoder;
+ return ret;
- ret = drm_bridge_attach(encoder, msm_dsi->next_bridge, int_bridge,
- DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+ ret = drm_bridge_attach(encoder, bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret)
return ret;
--
2.39.2
