diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c index e01ab3db6d86..ed7ae384c3ed 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c @@ -32,19 +32,28 @@ static int tfp410_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *in; int r; if (omapdss_device_is_connected(dssdev)) return -EBUSY; + in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); + if (IS_ERR(in)) { + dev_err(dssdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + r = in->ops.dpi->connect(in, dssdev); - if (r) + if (r) { + omap_dss_put_device(in); return r; + } dst->src = dssdev; dssdev->dst = dst; + ddata->in = in; return 0; } @@ -66,6 +75,9 @@ static void tfp410_disconnect(struct omap_dss_device *dssdev, dssdev->dst = NULL; in->ops.dpi->disconnect(in, &ddata->dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int tfp410_enable(struct omap_dss_device *dssdev) @@ -165,7 +177,6 @@ static int tfp410_probe_of(struct platform_device *pdev) { struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct device_node *node = pdev->dev.of_node; - struct omap_dss_device *in; int gpio; gpio = of_get_named_gpio(node, "powerdown-gpios", 0); @@ -178,14 +189,6 @@ static int tfp410_probe_of(struct platform_device *pdev) return gpio; } - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&pdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - return 0; } @@ -201,9 +204,6 @@ static int tfp410_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); - if (!pdev->dev.of_node) - return -ENODEV; - r = tfp410_probe_of(pdev); if (r) return r; @@ -214,7 +214,7 @@ static int tfp410_probe(struct platform_device *pdev) if (r) { dev_err(&pdev->dev, "Failed to request PD GPIO %d\n", ddata->pd_gpio); - goto err_gpio; + return r; } } @@ -229,21 +229,16 @@ static int tfp410_probe(struct platform_device *pdev) r = omapdss_register_output(dssdev); if (r) { dev_err(&pdev->dev, "Failed to register output\n"); - goto err_reg; + return r; } return 0; -err_reg: -err_gpio: - omap_dss_put_device(ddata->in); - return r; } static int __exit tfp410_remove(struct platform_device *pdev) { struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; omapdss_unregister_output(&ddata->dssdev); @@ -255,8 +250,6 @@ static int __exit tfp410_remove(struct platform_device *pdev) if (omapdss_device_is_connected(dssdev)) tfp410_disconnect(dssdev, dssdev->dst); - omap_dss_put_device(in); - return 0; } |