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path: root/drivers/gpu/drm/bridge/dumb-vga-dac.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/dumb-vga-dac.c')
-rw-r--r--drivers/gpu/drm/bridge/dumb-vga-dac.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c
index d32885b906ae..7aa789c35882 100644
--- a/drivers/gpu/drm/bridge/dumb-vga-dac.c
+++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c
@@ -42,7 +42,7 @@ static int dumb_vga_get_modes(struct drm_connector *connector)
struct edid *edid;
int ret;
- if (IS_ERR(vga->ddc))
+ if (!vga->ddc)
goto fallback;
edid = drm_get_edid(connector, vga->ddc);
@@ -84,7 +84,7 @@ dumb_vga_connector_detect(struct drm_connector *connector, bool force)
* wire the DDC pins, or the I2C bus might not be working at
* all.
*/
- if (!IS_ERR(vga->ddc) && drm_probe_ddc(vga->ddc))
+ if (vga->ddc && drm_probe_ddc(vga->ddc))
return connector_status_connected;
return connector_status_unknown;
@@ -111,8 +111,10 @@ static int dumb_vga_attach(struct drm_bridge *bridge)
drm_connector_helper_add(&vga->connector,
&dumb_vga_con_helper_funcs);
- ret = drm_connector_init(bridge->dev, &vga->connector,
- &dumb_vga_con_funcs, DRM_MODE_CONNECTOR_VGA);
+ ret = drm_connector_init_with_ddc(bridge->dev, &vga->connector,
+ &dumb_vga_con_funcs,
+ DRM_MODE_CONNECTOR_VGA,
+ vga->ddc);
if (ret) {
DRM_ERROR("Failed to initialize connector\n");
return ret;
@@ -195,6 +197,7 @@ static int dumb_vga_probe(struct platform_device *pdev)
if (PTR_ERR(vga->ddc) == -ENODEV) {
dev_dbg(&pdev->dev,
"No i2c bus specified. Disabling EDID readout\n");
+ vga->ddc = NULL;
} else {
dev_err(&pdev->dev, "Couldn't retrieve i2c bus\n");
return PTR_ERR(vga->ddc);
@@ -216,7 +219,7 @@ static int dumb_vga_remove(struct platform_device *pdev)
drm_bridge_remove(&vga->bridge);
- if (!IS_ERR(vga->ddc))
+ if (vga->ddc)
i2c_put_adapter(vga->ddc);
return 0;