Make MSM DP driver use devm_drm_bridge_add() instead of plain drm_bridge_add(). As the driver doesn't require any additional cleanup, stop adding created bridge to the priv->bridges array. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/dp/dp_display.c | 9 ++------- drivers/gpu/drm/msm/dp/dp_drm.c | 21 +++++++++++++-------- drivers/gpu/drm/msm/dp/dp_drm.h | 2 +- 3 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 1267e3dbcb1a..7fa245629251 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1540,7 +1540,6 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder) { - struct msm_drm_private *priv = dev->dev_private; struct dp_display_private *dp_priv; int ret; @@ -1558,17 +1557,13 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, if (ret) return ret; - dp_display->bridge = dp_bridge_init(dp_display, dev, encoder); - if (IS_ERR(dp_display->bridge)) { - ret = PTR_ERR(dp_display->bridge); + ret = dp_bridge_init(dp_display, dev, encoder); + if (ret) { DRM_DEV_ERROR(dev->dev, "failed to create dp bridge: %d\n", ret); - dp_display->bridge = NULL; return ret; } - priv->bridges[priv->num_bridges++] = dp_display->bridge; - dp_display->connector = dp_drm_connector_init(dp_display, encoder); if (IS_ERR(dp_display->connector)) { ret = PTR_ERR(dp_display->connector); diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index 785d76639497..284ff7df058a 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -272,7 +272,7 @@ static const struct drm_bridge_funcs edp_bridge_ops = { .atomic_check = edp_bridge_atomic_check, }; -struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, +int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder) { int rc; @@ -281,7 +281,7 @@ struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device * dp_bridge = devm_kzalloc(dev->dev, sizeof(*dp_bridge), GFP_KERNEL); if (!dp_bridge) - return ERR_PTR(-ENOMEM); + return -ENOMEM; dp_bridge->dp_display = dp_display; @@ -307,14 +307,18 @@ struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device * DRM_BRIDGE_OP_MODES; } - drm_bridge_add(bridge); + rc = devm_drm_bridge_add(&dp_display->pdev->dev, bridge); + if (rc) { + DRM_ERROR("failed to add bridge, rc=%d\n", rc); + + return rc; + } rc = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (rc) { DRM_ERROR("failed to attach bridge, rc=%d\n", rc); - drm_bridge_remove(bridge); - return ERR_PTR(rc); + return rc; } if (dp_display->next_bridge) { @@ -323,12 +327,13 @@ struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device * DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (rc < 0) { DRM_ERROR("failed to attach panel bridge: %d\n", rc); - drm_bridge_remove(bridge); - return ERR_PTR(rc); + return rc; } } - return bridge; + dp_display->bridge = bridge; + + return 0; } /* connector initialization */ diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h index afe79b85e183..b3d684db2383 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.h +++ b/drivers/gpu/drm/msm/dp/dp_drm.h @@ -20,7 +20,7 @@ struct msm_dp_bridge { #define to_dp_bridge(x) container_of((x), struct msm_dp_bridge, bridge) struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display, struct drm_encoder *encoder); -struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, +int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder); void dp_bridge_atomic_enable(struct drm_bridge *drm_bridge, -- 2.39.2