diff options
8 files changed, 119 insertions, 152 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index bae8fd5357ea..6cbf570d6727 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c @@ -38,16 +38,25 @@ struct panel_drv_data { static int panel_dpi_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } + ddata->in = in; return 0; } @@ -60,6 +69,9 @@ static void panel_dpi_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int panel_dpi_enable(struct omap_dss_device *dssdev) @@ -157,7 +169,6 @@ static int panel_dpi_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 r; struct display_timing timing; struct gpio_desc *gpio; @@ -195,14 +206,6 @@ static int panel_dpi_probe_of(struct platform_device *pdev) videomode_from_timing(&timing, &ddata->vm); - 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; } @@ -232,29 +235,22 @@ static int panel_dpi_probe(struct platform_device *pdev) r = omapdss_register_display(dssdev); if (r) { dev_err(&pdev->dev, "Failed to register panel\n"); - goto err_reg; + return r; } return 0; - -err_reg: - omap_dss_put_device(ddata->in); - return r; } static int __exit panel_dpi_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_display(dssdev); panel_dpi_disable(dssdev); panel_dpi_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 002082ecbbbc..f960e55d64ea 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -759,17 +759,23 @@ static int dsicm_panel_reset(struct panel_drv_data *ddata) static int dsicm_connect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; struct device *dev = &ddata->pdev->dev; + struct omap_dss_device *in; int r; if (omapdss_device_is_connected(dssdev)) return 0; + 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.dsi->connect(in, dssdev); if (r) { dev_err(dev, "Failed to connect to video source\n"); - return r; + goto err_connect; } r = in->ops.dsi->request_vc(ddata->in, &ddata->channel); @@ -784,12 +790,15 @@ static int dsicm_connect(struct omap_dss_device *dssdev) goto err_vc_id; } + ddata->in = in; return 0; err_vc_id: in->ops.dsi->release_vc(ddata->in, ddata->channel); err_req_vc: in->ops.dsi->disconnect(in, dssdev); +err_connect: + omap_dss_put_device(in); return r; } @@ -803,6 +812,9 @@ static void dsicm_disconnect(struct omap_dss_device *dssdev) in->ops.dsi->release_vc(in, ddata->channel); in->ops.dsi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int dsicm_enable(struct omap_dss_device *dssdev) @@ -1223,7 +1235,6 @@ static int dsicm_probe_of(struct platform_device *pdev) struct device_node *node = pdev->dev.of_node; struct device_node *backlight; struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct omap_dss_device *in; struct display_timing timing; int err; @@ -1259,12 +1270,6 @@ static int dsicm_probe_of(struct platform_device *pdev) ddata->height_mm = 0; of_property_read_u32(node, "height-mm", &ddata->height_mm); - 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->vpnl = devm_regulator_get_optional(&pdev->dev, "vpnl"); if (IS_ERR(ddata->vpnl)) { err = PTR_ERR(ddata->vpnl); @@ -1281,8 +1286,6 @@ static int dsicm_probe_of(struct platform_device *pdev) ddata->vddi = NULL; } - ddata->in = in; - backlight = of_parse_phandle(node, "backlight", 0); if (backlight) { ddata->extbldev = of_find_backlight_by_node(backlight); @@ -1421,8 +1424,6 @@ static int __exit dsicm_remove(struct platform_device *pdev) if (ddata->extbldev) put_device(&ddata->extbldev->dev); - omap_dss_put_device(ddata->in); - dsicm_cancel_ulps_work(ddata); destroy_workqueue(ddata->workqueue); diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c index 8cb958c0c39d..754197099440 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c @@ -119,18 +119,27 @@ static void init_lb035q02_panel(struct spi_device *spi) static int lb035q02_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } init_lb035q02_panel(ddata->spi); + ddata->in = in; return 0; } @@ -143,6 +152,9 @@ static void lb035q02_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int lb035q02_enable(struct omap_dss_device *dssdev) @@ -230,9 +242,7 @@ static struct omap_dss_driver lb035q02_ops = { static int lb035q02_probe_of(struct spi_device *spi) { - struct device_node *node = spi->dev.of_node; struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *in; struct gpio_desc *gpio; gpio = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW); @@ -243,14 +253,6 @@ static int lb035q02_probe_of(struct spi_device *spi) ddata->enable_gpio = gpio; - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - return 0; } @@ -284,29 +286,22 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi) r = omapdss_register_display(dssdev); if (r) { dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; + return r; } return 0; - -err_reg: - omap_dss_put_device(ddata->in); - return r; } static int lb035q02_panel_spi_remove(struct spi_device *spi) { struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; omapdss_unregister_display(dssdev); lb035q02_disable(dssdev); lb035q02_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c index 3ab4b249e74b..9a3b27fa5cb5 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c @@ -115,16 +115,25 @@ static int init_nec_8048_wvga_lcd(struct spi_device *spi) static int nec_8048_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } + ddata->in = in; return 0; } @@ -137,6 +146,9 @@ static void nec_8048_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int nec_8048_enable(struct omap_dss_device *dssdev) @@ -226,7 +238,6 @@ static int nec_8048_probe_of(struct spi_device *spi) { struct device_node *node = spi->dev.of_node; struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *in; int gpio; gpio = of_get_named_gpio(node, "reset-gpios", 0); @@ -239,14 +250,6 @@ static int nec_8048_probe_of(struct spi_device *spi) /* XXX the panel spec doesn't mention any QVGA pin?? */ ddata->qvga_gpio = -ENOENT; - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - return 0; } @@ -285,14 +288,14 @@ static int nec_8048_probe(struct spi_device *spi) r = devm_gpio_request_one(&spi->dev, ddata->qvga_gpio, GPIOF_OUT_INIT_HIGH, "lcd QVGA"); if (r) - goto err_gpio; + return r; } if (gpio_is_valid(ddata->res_gpio)) { r = devm_gpio_request_one(&spi->dev, ddata->res_gpio, GPIOF_OUT_INIT_LOW, "lcd RES"); if (r) - goto err_gpio; + return r; } ddata->vm = nec_8048_panel_vm; @@ -307,22 +310,16 @@ static int nec_8048_probe(struct spi_device *spi) r = omapdss_register_display(dssdev); if (r) { dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; + return r; } return 0; - -err_reg: -err_gpio: - omap_dss_put_device(ddata->in); - return r; } static int nec_8048_remove(struct spi_device *spi) { struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; dev_dbg(&ddata->spi->dev, "%s\n", __func__); @@ -331,8 +328,6 @@ static int nec_8048_remove(struct spi_device *spi) nec_8048_disable(dssdev); nec_8048_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c index 124867e35e4b..bb5b680cabfe 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c @@ -61,16 +61,25 @@ static const struct videomode sharp_ls_vm = { static int sharp_ls_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } + ddata->in = in; return 0; } @@ -83,6 +92,9 @@ static void sharp_ls_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int sharp_ls_enable(struct omap_dss_device *dssdev) @@ -210,8 +222,6 @@ static int sharp_ls_get_gpio_of(struct device *dev, int index, int val, static int sharp_ls_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 r; ddata->vcc = devm_regulator_get(&pdev->dev, "envdd"); @@ -245,14 +255,6 @@ static int sharp_ls_probe_of(struct platform_device *pdev) if (r) return r; - 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; } @@ -284,29 +286,22 @@ static int sharp_ls_probe(struct platform_device *pdev) r = omapdss_register_display(dssdev); if (r) { dev_err(&pdev->dev, "Failed to register panel\n"); - goto err_reg; + return r; } return 0; - -err_reg: - omap_dss_put_device(ddata->in); - return r; } static int __exit sharp_ls_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_display(dssdev); sharp_ls_disable(dssdev); sharp_ls_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c index cc5e9a68726a..c4bb33a247d0 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c @@ -510,16 +510,25 @@ static const struct attribute_group bldev_attr_group = { static int acx565akm_connect(struct omap_dss_device *dssdev) { 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 0; + 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.sdi->connect(in, dssdev); - if (r) + if (r) { + omap_dss_put_device(in); return r; + } + ddata->in = in; return 0; } @@ -532,6 +541,9 @@ static void acx565akm_disconnect(struct omap_dss_device *dssdev) return; in->ops.sdi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) @@ -700,12 +712,6 @@ static int acx565akm_probe_of(struct spi_device *spi) ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0); - ddata->in = omapdss_of_find_source_for_first_ep(np); - if (IS_ERR(ddata->in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(ddata->in); - } - return 0; } @@ -823,7 +829,6 @@ err_sysfs: err_reg_bl: err_detect: err_gpio: - omap_dss_put_device(ddata->in); return r; } @@ -831,7 +836,6 @@ static int acx565akm_remove(struct spi_device *spi) { struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; dev_dbg(&ddata->spi->dev, "%s\n", __func__); @@ -843,8 +847,6 @@ static int acx565akm_remove(struct spi_device *spi) acx565akm_disable(dssdev); acx565akm_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c index 3f6c90db35c4..b5d8a00df811 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c @@ -169,16 +169,25 @@ enum jbt_register { static int td028ttec1_panel_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } + ddata->in = in; return 0; } @@ -191,6 +200,9 @@ static void td028ttec1_panel_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int td028ttec1_panel_enable(struct omap_dss_device *dssdev) @@ -362,23 +374,6 @@ static struct omap_dss_driver td028ttec1_ops = { .check_timings = td028ttec1_panel_check_timings, }; -static int td028ttec1_probe_of(struct spi_device *spi) -{ - struct device_node *node = spi->dev.of_node; - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *in; - - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - - return 0; -} - static int td028ttec1_panel_probe(struct spi_device *spi) { struct panel_drv_data *ddata; @@ -404,10 +399,6 @@ static int td028ttec1_panel_probe(struct spi_device *spi) ddata->spi_dev = spi; - r = td028ttec1_probe_of(spi); - if (r) - return r; - ddata->vm = td028ttec1_panel_vm; dssdev = &ddata->dssdev; @@ -420,21 +411,16 @@ static int td028ttec1_panel_probe(struct spi_device *spi) r = omapdss_register_display(dssdev); if (r) { dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; + return r; } return 0; - -err_reg: - omap_dss_put_device(ddata->in); - return r; } static int td028ttec1_panel_remove(struct spi_device *spi) { struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__); @@ -443,8 +429,6 @@ static int td028ttec1_panel_remove(struct spi_device *spi) td028ttec1_panel_disable(dssdev); td028ttec1_panel_disconnect(dssdev); - omap_dss_put_device(in); - return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c index 06fb5a995002..c08e22b43447 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c @@ -340,16 +340,25 @@ static void tpo_td043_power_off(struct panel_drv_data *ddata) static int tpo_td043_connect(struct omap_dss_device *dssdev) { 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 0; + 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; + } + ddata->in = in; return 0; } @@ -362,6 +371,9 @@ static void tpo_td043_disconnect(struct omap_dss_device *dssdev) return; in->ops.dpi->disconnect(in, dssdev); + + omap_dss_put_device(in); + ddata->in = NULL; } static int tpo_td043_enable(struct omap_dss_device *dssdev) @@ -463,7 +475,6 @@ static int tpo_td043_probe_of(struct spi_device *spi) { struct device_node *node = spi->dev.of_node; struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct omap_dss_device *in; int gpio; gpio = of_get_named_gpio(node, "reset-gpios", 0); @@ -473,14 +484,6 @@ static int tpo_td043_probe_of(struct spi_device *spi) } ddata->nreset_gpio = gpio; - in = omapdss_of_find_source_for_first_ep(node); - if (IS_ERR(in)) { - dev_err(&spi->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - ddata->in = in; - return 0; } @@ -561,7 +564,6 @@ err_reg: err_sysfs: err_gpio_req: err_regulator: - omap_dss_put_device(ddata->in); return r; } @@ -569,7 +571,6 @@ static int tpo_td043_remove(struct spi_device *spi) { struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; dev_dbg(&ddata->spi->dev, "%s\n", __func__); @@ -578,8 +579,6 @@ static int tpo_td043_remove(struct spi_device *spi) tpo_td043_disable(dssdev); tpo_td043_disconnect(dssdev); - omap_dss_put_device(in); - sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group); return 0; |