diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c index b424db11c6d5..afee1b8b457a 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c @@ -36,7 +36,7 @@ static int opa362_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; dev_dbg(dssdev->dev, "connect\n"); @@ -44,13 +44,22 @@ static int opa362_connect(struct omap_dss_device *dssdev, 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.atv->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; } @@ -74,6 +83,9 @@ static void opa362_disconnect(struct omap_dss_device *dssdev, dssdev->dst = NULL; in->ops.atv->disconnect(in, &ddata->dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int opa362_enable(struct omap_dss_device *dssdev) @@ -171,9 +183,8 @@ static const struct omapdss_atv_ops opa362_atv_ops = { static int opa362_probe(struct platform_device *pdev) { - struct device_node *node = pdev->dev.of_node; struct panel_drv_data *ddata; - struct omap_dss_device *dssdev, *in; + struct omap_dss_device *dssdev; struct gpio_desc *gpio; int r; @@ -191,14 +202,6 @@ static int opa362_probe(struct platform_device *pdev) ddata->enable_gpio = 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; - dssdev = &ddata->dssdev; dssdev->ops.atv = &opa362_atv_ops; dssdev->dev = &pdev->dev; @@ -209,20 +212,16 @@ static int opa362_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: - omap_dss_put_device(ddata->in); - return r; } static int __exit opa362_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); @@ -234,8 +233,6 @@ static int __exit opa362_remove(struct platform_device *pdev) if (omapdss_device_is_connected(dssdev)) opa362_disconnect(dssdev, dssdev->dst); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c index e0bc625a5f3a..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; } @@ -211,7 +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; } } @@ -226,21 +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); @@ -252,8 +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; } diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c index fb8f9ce7e5c2..d275bf152da5 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c @@ -40,12 +40,20 @@ static int tpd_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; + 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.hdmi->connect(in, dssdev); - if (r) + if (r) { + omap_dss_put_device(in); return r; + } dst->src = dssdev; dssdev->dst = dst; @@ -56,6 +64,7 @@ static int tpd_connect(struct omap_dss_device *dssdev, /* DC-DC converter needs at max 300us to get to 90% of 5V */ udelay(300); + ddata->in = in; return 0; } @@ -77,6 +86,9 @@ static void tpd_disconnect(struct omap_dss_device *dssdev, dssdev->dst = NULL; in->ops.hdmi->disconnect(in, &ddata->dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int tpd_enable(struct omap_dss_device *dssdev) @@ -269,23 +281,6 @@ static irqreturn_t tpd_hpd_isr(int irq, void *data) return IRQ_HANDLED; } -static int tpd_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; - - 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; -} - static int tpd_probe(struct platform_device *pdev) { struct omap_dss_device *in, *dssdev; @@ -299,34 +294,24 @@ static int tpd_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); - r = tpd_probe_of(pdev); - if (r) - return r; - gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 0, GPIOD_OUT_LOW); - if (IS_ERR(gpio)) { - r = PTR_ERR(gpio); - goto err_gpio; - } + if (IS_ERR(gpio)) + return PTR_ERR(gpio); ddata->ct_cp_hpd_gpio = gpio; gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 1, GPIOD_OUT_LOW); - if (IS_ERR(gpio)) { - r = PTR_ERR(gpio); - goto err_gpio; - } + if (IS_ERR(gpio)) + return PTR_ERR(gpio); ddata->ls_oe_gpio = gpio; gpio = devm_gpiod_get_index(&pdev->dev, NULL, 2, GPIOD_IN); - if (IS_ERR(gpio)) { - r = PTR_ERR(gpio); - goto err_gpio; - } + if (IS_ERR(gpio)) + return PTR_ERR(gpio); ddata->hpd_gpio = gpio; @@ -337,7 +322,7 @@ static int tpd_probe(struct platform_device *pdev) IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "tpd12s015 hpd", ddata); if (r) - goto err_gpio; + return r; dssdev = &ddata->dssdev; dssdev->ops.hdmi = &tpd_hdmi_ops; @@ -352,21 +337,16 @@ static int tpd_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 tpd_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); @@ -378,8 +358,6 @@ static int __exit tpd_remove(struct platform_device *pdev) if (omapdss_device_is_connected(dssdev)) tpd_disconnect(dssdev, dssdev->dst); - omap_dss_put_device(in); - return 0; }