diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
index d4be2444b2eaa63d7eb5f452ca1c8e002428f487..c73d3651ca10cc35cb829504bc2205993703966a 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -701,8 +701,7 @@ static void dpi_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static const struct omapdss_dpi_ops dpi_ops = {
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 10099f75364df55094c26ee963278aa547fffe74..d00c6a31602d74241f4d88f846ff1dfa5f206350 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -5019,8 +5019,7 @@ static void dsi_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static const struct omapdss_dsi_ops dsi_ops = {
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index f8ed407f148e3e3ddb5101f6b4aa0c5c7985a77c..a222fc5089a546fa78fe9e47ebf10c98a1fdb0ec 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -474,8 +474,7 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static int hdmi_read_edid(struct omap_dss_device *dssdev,
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index b75f15e15797598bc184831a8ef2b2e9acb45de8..33cda9bcf952262fee4888ec7bc53ad3b9db4064 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -500,8 +500,7 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static int hdmi_read_edid(struct omap_dss_device *dssdev,
diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c
index 0526f24ed8a9a13c6f89eb350f2c9811ec9b7e07..dee40ba9a2963bdfe58773e02ee623d1f6244a64 100644
--- a/drivers/gpu/drm/omapdrm/dss/sdi.c
+++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
@@ -316,8 +316,7 @@ static void sdi_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static const struct omapdss_sdi_ops sdi_ops = {
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
index 401c477242b100f8cc73b04d909b7080f2804d3b..d514c9878ae2561340a37b3210f7cb072a826fef 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -778,8 +778,7 @@ static void venc_disconnect(struct omap_dss_device *dssdev,
 
 	omapdss_output_unset_device(dssdev);
 
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager->id, dssdev);
+	dss_mgr_disconnect(dssdev->manager->id, dssdev);
 }
 
 static const struct omapdss_atv_ops venc_ops = {