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authorSean Paul <seanpaul@chromium.org>2019-06-17 16:12:58 -0400
committerSean Paul <seanpaul@chromium.org>2019-06-20 14:42:19 -0400
commit03436e3ec69c8e026224a5f172e5d0431f722305 (patch)
tree8082d72c8eb37aae77f24ef59771da7d134938d3 /drivers/gpu/drm
parent6d5e78406991a144b7c44cd57b21e290fdb1d227 (diff)
drm/msm/dsi: Move setup_encoder to modeset_init
Now that the panel probe/setup is in the modeset path, we can call dsi_manager_setup_encoder() in a common place for both internal and external bridge setups. Reviewed-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190617201301.133275-10-sean@poorly.run
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.c2
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.h2
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c2
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_manager.c37
4 files changed, 5 insertions, 38 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 7b2a1e6a8810..d45b0a40aaf3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -250,6 +250,8 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
goto fail;
}
+ msm_dsi_manager_setup_encoder(msm_dsi->id);
+
priv->bridges[priv->num_bridges++] = msm_dsi->bridge;
priv->connectors[priv->num_connectors++] = msm_dsi->connector;
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index f8a611725f2e..53bb124e8259 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -96,7 +96,7 @@ struct drm_connector *msm_dsi_manager_connector_init(u8 id);
struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id);
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);
-void msm_dsi_manager_attach_dsi_device(int id);
+void msm_dsi_manager_setup_encoder(int id);
int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
bool msm_dsi_manager_validate_current_config(u8 id);
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index f6eb91cf97e6..1ae2f5522979 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1598,8 +1598,6 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
msm_host->format = dsi->format;
msm_host->mode_flags = dsi->mode_flags;
- msm_dsi_manager_attach_dsi_device(msm_host->id);
-
/* Some gpios defined in panel DT need to be controlled by host */
ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev);
if (ret)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 630af00bbe9a..ff39ce6150ad 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -239,7 +239,7 @@ static bool dsi_mgr_is_cmd_mode(struct msm_dsi *msm_dsi)
return !(host_flags & MIPI_DSI_MODE_VIDEO);
}
-static void msm_dsi_manager_setup_encoder(int id)
+void msm_dsi_manager_setup_encoder(int id)
{
struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
struct msm_drm_private *priv = msm_dsi->dev->dev_private;
@@ -280,12 +280,7 @@ static int msm_dsi_manager_panel_init(struct drm_connector *conn, u8 id)
return PTR_ERR(panel);
}
- if (!panel)
- return 0;
-
- msm_dsi_manager_setup_encoder(id);
-
- if (!IS_DUAL_DSI())
+ if (!panel || !IS_DUAL_DSI())
goto out;
drm_object_attach_property(&conn->base,
@@ -790,34 +785,6 @@ bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len)
return true;
}
-void msm_dsi_manager_attach_dsi_device(int id)
-{
- struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
- struct drm_device *dev;
-
- /*
- * drm_device pointer is assigned to msm_dsi only in the modeset_init
- * path. If mipi_dsi_attach() happens in DSI driver's probe path
- * (generally the case when we're connected to a drm_panel of the type
- * mipi_dsi_device), this would be NULL. In such cases, try to set the
- * encoder mode in the DSI connector's detect() op.
- *
- * msm_dsi pointer is assigned to a valid dsi device only when
- * msm_dsi_manager_register() succeeds. When panel hasnt probed yet
- * dsi_mgr_setup_components() could potentially return -EDEFER and
- * assign the msm_dsi->dev to NULL. When the panel now probes and calls
- * mipi_dsi_attach(), this will call msm_dsi_manager_attach_dsi_device()
- * which will result in a NULL pointer dereference
- */
-
- dev = msm_dsi ? msm_dsi->dev : NULL;
-
- if (!dev)
- return;
-
- msm_dsi_manager_setup_encoder(id);
-}
-
int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
{
struct msm_dsi_manager *msm_dsim = &msm_dsim_glb;