diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_manager.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_manager.c | 37 |
1 files changed, 2 insertions, 35 deletions
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; |