Remove two levels of indirection and fetch next bridge directly in dp_display_probe_tail(). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/dp/dp_display.c | 42 ++++++++++++------------------------- drivers/gpu/drm/msm/dp/dp_parser.c | 14 ------------- drivers/gpu/drm/msm/dp/dp_parser.h | 14 ------------- 3 files changed, 13 insertions(+), 57 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index f19cb8c7e8cb..03e9c5c3bd46 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1195,16 +1195,24 @@ static const struct msm_dp_desc *dp_display_get_desc(struct platform_device *pde return NULL; } -static int dp_display_get_next_bridge(struct msm_dp *dp); - static int dp_display_probe_tail(struct device *dev) { struct msm_dp *dp = dev_get_drvdata(dev); int ret; - ret = dp_display_get_next_bridge(dp); - if (ret) - return ret; + /* + * External bridges are mandatory for eDP interfaces: one has to + * provide at least an eDP panel (which gets wrapped into panel-bridge). + * + * For DisplayPort interfaces external bridges are optional, so + * silently ignore an error if one is not present (-ENODEV). + */ + dp->next_bridge = devm_drm_of_get_bridge(&dp->pdev->dev, dp->pdev->dev.of_node, 1, 0); + if (IS_ERR(dp->next_bridge)) { + ret = PTR_ERR(dp->next_bridge); + if (dp->is_edp || ret != -ENODEV) + return ret; + } ret = component_add(dev, &dp_display_comp_ops); if (ret) @@ -1397,30 +1405,6 @@ void dp_display_debugfs_init(struct msm_dp *dp_display, struct dentry *root, boo } } -static int dp_display_get_next_bridge(struct msm_dp *dp) -{ - int rc; - struct dp_display_private *dp_priv; - - dp_priv = container_of(dp, struct dp_display_private, dp_display); - - /* - * External bridges are mandatory for eDP interfaces: one has to - * provide at least an eDP panel (which gets wrapped into panel-bridge). - * - * For DisplayPort interfaces external bridges are optional, so - * silently ignore an error if one is not present (-ENODEV). - */ - rc = devm_dp_parser_find_next_bridge(&dp->pdev->dev, dp_priv->parser); - if (!dp->is_edp && rc == -ENODEV) - return 0; - - if (!rc) - dp->next_bridge = dp_priv->parser->next_bridge; - - return rc; -} - int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder) { diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index aa135d5cedbd..f95ab3c5c72c 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -24,20 +24,6 @@ static int dp_parser_ctrl_res(struct dp_parser *parser) return 0; } -int devm_dp_parser_find_next_bridge(struct device *dev, struct dp_parser *parser) -{ - struct platform_device *pdev = parser->pdev; - struct drm_bridge *bridge; - - bridge = devm_drm_of_get_bridge(dev, pdev->dev.of_node, 1, 0); - if (IS_ERR(bridge)) - return PTR_ERR(bridge); - - parser->next_bridge = bridge; - - return 0; -} - static int dp_parser_parse(struct dp_parser *parser) { int rc = 0; diff --git a/drivers/gpu/drm/msm/dp/dp_parser.h b/drivers/gpu/drm/msm/dp/dp_parser.h index bc56e0e8c446..2b39b1c394ae 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.h +++ b/drivers/gpu/drm/msm/dp/dp_parser.h @@ -22,7 +22,6 @@ struct dp_parser { struct platform_device *pdev; struct phy *phy; - struct drm_bridge *next_bridge; }; /** @@ -38,17 +37,4 @@ struct dp_parser { */ struct dp_parser *dp_parser_get(struct platform_device *pdev); -/** - * devm_dp_parser_find_next_bridge() - find an additional bridge to DP - * - * @dev: device to tie bridge lifetime to - * @parser: dp_parser data from client - * - * This function is used to find any additional bridge attached to - * the DP controller. The eDP interface requires a panel bridge. - * - * Return: 0 if able to get the bridge, otherwise negative errno for failure. - */ -int devm_dp_parser_find_next_bridge(struct device *dev, struct dp_parser *parser); - #endif -- 2.39.2