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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1678932c-e7a4-4160-b5c8-08dcfc80c96e X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Nov 2024 03:28:44.7922 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: fJ3N4aHXW02eJ9WuPvRyoB/arzw+2+u3bbHVzoY3Nf+rnrJVk2VpKPW38sLo8LRJAxsCjsbKxwka0cvN6/aHSw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB10602 The next bridge in bridge chain could be a panel bridge or a non-panel bridge. Use devm_drm_of_get_bridge() to replace the combination function calls of of_drm_find_panel() and devm_drm_panel_bridge_add() to get either a panel bridge or a non-panel bridge, instead of getting a panel bridge only. Signed-off-by: Liu Ying Reviewed-by: Dmitry Baryshkov --- v5: * No change. v4: * No change. v3: * Collect Dmitry' R-b tag. v2: * No change. drivers/gpu/drm/bridge/fsl-ldb.c | 31 +++++++++++-------------------- 1 file changed, 11 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fsl-ldb.c index 0e4bac7dd04f..b559f3e0bef6 100644 --- a/drivers/gpu/drm/bridge/fsl-ldb.c +++ b/drivers/gpu/drm/bridge/fsl-ldb.c @@ -15,7 +15,6 @@ #include #include #include -#include #define LDB_CTRL_CH0_ENABLE BIT(0) #define LDB_CTRL_CH0_DI_SELECT BIT(1) @@ -86,7 +85,7 @@ static const struct fsl_ldb_devdata fsl_ldb_devdata[] = { struct fsl_ldb { struct device *dev; struct drm_bridge bridge; - struct drm_bridge *panel_bridge; + struct drm_bridge *next_bridge; struct clk *clk; struct regmap *regmap; const struct fsl_ldb_devdata *devdata; @@ -117,7 +116,7 @@ static int fsl_ldb_attach(struct drm_bridge *bridge, { struct fsl_ldb *fsl_ldb = to_fsl_ldb(bridge); - return drm_bridge_attach(bridge->encoder, fsl_ldb->panel_bridge, + return drm_bridge_attach(bridge->encoder, fsl_ldb->next_bridge, bridge, flags); } @@ -292,9 +291,7 @@ static const struct drm_bridge_funcs funcs = { static int fsl_ldb_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *panel_node; struct device_node *remote1, *remote2; - struct drm_panel *panel; struct fsl_ldb *fsl_ldb; int dual_link; @@ -318,33 +315,27 @@ static int fsl_ldb_probe(struct platform_device *pdev) if (IS_ERR(fsl_ldb->regmap)) return PTR_ERR(fsl_ldb->regmap); - /* Locate the remote ports and the panel node */ + /* Locate the remote ports. */ remote1 = of_graph_get_remote_node(dev->of_node, 1, 0); remote2 = of_graph_get_remote_node(dev->of_node, 2, 0); fsl_ldb->ch0_enabled = (remote1 != NULL); fsl_ldb->ch1_enabled = (remote2 != NULL); - panel_node = of_node_get(remote1 ? remote1 : remote2); of_node_put(remote1); of_node_put(remote2); - if (!fsl_ldb->ch0_enabled && !fsl_ldb->ch1_enabled) { - of_node_put(panel_node); - return dev_err_probe(dev, -ENXIO, "No panel node found"); - } + if (!fsl_ldb->ch0_enabled && !fsl_ldb->ch1_enabled) + return dev_err_probe(dev, -ENXIO, "No next bridge node found"); dev_dbg(dev, "Using %s\n", fsl_ldb_is_dual(fsl_ldb) ? "dual-link mode" : fsl_ldb->ch0_enabled ? "channel 0" : "channel 1"); - panel = of_drm_find_panel(panel_node); - of_node_put(panel_node); - if (IS_ERR(panel)) - return PTR_ERR(panel); - - fsl_ldb->panel_bridge = devm_drm_panel_bridge_add(dev, panel); - if (IS_ERR(fsl_ldb->panel_bridge)) - return PTR_ERR(fsl_ldb->panel_bridge); - + fsl_ldb->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, + fsl_ldb->ch0_enabled ? 1 : 2, + 0); + if (IS_ERR(fsl_ldb->next_bridge)) + return dev_err_probe(dev, PTR_ERR(fsl_ldb->next_bridge), + "failed to get next bridge\n"); if (fsl_ldb_is_dual(fsl_ldb)) { struct device_node *port1, *port2;