diff options
| -rw-r--r-- | drivers/video/omap2/dss/dpi.c | 5 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 6 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 6 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/rfbi.c | 5 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/sdi.c | 5 |
5 files changed, 27 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index f053b180ecd7..046ce0806e14 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -176,6 +176,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) { int r; + if (dssdev->manager == NULL) { + DSSERR("failed to enable display: no manager\n"); + return -ENODEV; + } + r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 7adbbeb84334..12da2fbd7931 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -4211,6 +4211,12 @@ int omapdss_dsi_display_enable(struct omap_dss_device *dssdev) mutex_lock(&dsi->lock); + if (dssdev->manager == NULL) { + DSSERR("failed to enable display: no manager\n"); + r = -ENODEV; + goto err_start_dev; + } + r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 256f27a9064a..376732339efe 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -1231,6 +1231,12 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev) mutex_lock(&hdmi.lock); + if (dssdev->manager == NULL) { + DSSERR("failed to enable display: no manager\n"); + r = -ENODEV; + goto err0; + } + r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 39f4c597026a..1bb8ce11f6bc 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -860,6 +860,11 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev) { int r; + if (dssdev->manager == NULL) { + DSSERR("failed to enable display: no manager\n"); + return -ENODEV; + } + r = rfbi_runtime_get(); if (r) return r; diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index 3a688c871a45..df2b3c3658a2 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -55,6 +55,11 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) unsigned long pck; int r; + if (dssdev->manager == NULL) { + DSSERR("failed to enable display: no manager\n"); + return -ENODEV; + } + r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); |
