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path: root/drivers/gpu/drm/omapdrm/dss/dss.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dss.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dss.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index 225ec808b01a..b76fc2b56227 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -1151,46 +1151,38 @@ static const struct dss_features dra7xx_dss_feats = {
.has_lcd_clk_src = true,
};
-static int dss_init_ports(struct dss_device *dss)
+static void __dss_uninit_ports(struct dss_device *dss, unsigned int num_ports)
{
struct platform_device *pdev = dss->pdev;
struct device_node *parent = pdev->dev.of_node;
struct device_node *port;
unsigned int i;
- int r;
- for (i = 0; i < dss->feat->num_ports; i++) {
+ for (i = 0; i < num_ports; i++) {
port = of_graph_get_port_by_id(parent, i);
if (!port)
continue;
switch (dss->feat->ports[i]) {
case OMAP_DISPLAY_TYPE_DPI:
- r = dpi_init_port(dss, pdev, port, dss->feat->model);
- if (r)
- return r;
+ dpi_uninit_port(port);
break;
-
case OMAP_DISPLAY_TYPE_SDI:
- r = sdi_init_port(dss, pdev, port);
- if (r)
- return r;
+ sdi_uninit_port(port);
break;
-
default:
break;
}
}
-
- return 0;
}
-static void dss_uninit_ports(struct dss_device *dss)
+static int dss_init_ports(struct dss_device *dss)
{
struct platform_device *pdev = dss->pdev;
struct device_node *parent = pdev->dev.of_node;
struct device_node *port;
- int i;
+ unsigned int i;
+ int r;
for (i = 0; i < dss->feat->num_ports; i++) {
port = of_graph_get_port_by_id(parent, i);
@@ -1199,15 +1191,32 @@ static void dss_uninit_ports(struct dss_device *dss)
switch (dss->feat->ports[i]) {
case OMAP_DISPLAY_TYPE_DPI:
- dpi_uninit_port(port);
+ r = dpi_init_port(dss, pdev, port, dss->feat->model);
+ if (r)
+ goto error;
break;
+
case OMAP_DISPLAY_TYPE_SDI:
- sdi_uninit_port(port);
+ r = sdi_init_port(dss, pdev, port);
+ if (r)
+ goto error;
break;
+
default:
break;
}
}
+
+ return 0;
+
+error:
+ __dss_uninit_ports(dss, i);
+ return r;
+}
+
+static void dss_uninit_ports(struct dss_device *dss)
+{
+ __dss_uninit_ports(dss, dss->feat->num_ports);
}
static int dss_video_pll_probe(struct dss_device *dss)
@@ -1543,7 +1552,8 @@ static void dss_shutdown(struct platform_device *pdev)
DSSDBG("shutdown\n");
for_each_dss_output(dssdev) {
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE &&
+ dssdev->ops && dssdev->ops->disable)
dssdev->ops->disable(dssdev);
}
}