drm: Remove unnecessary drm_panel_attach and drm_panel_detach

These functions are now empty and no longer
useful so remove the functions and their uses.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Bernard Zhao <bernard@vivo.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>,
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Icenowy Zheng <icenowy@aosc.io>,
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Robert Chiras <robert.chiras@nxp.com>
Cc: dri-devel@lists.freedesktop.org,
Cc: linux-kernel@vger.kernel.org
Cc: opensource.kernel@vivo.com
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> # Fixed build and a few warnings
Link: https://patchwork.freedesktop.org/patch/msgid/9e13761020750b1ce2f1fabee23ef6e2a2942882.camel@perches.com

4 files changed, 0 insertions, 31 deletions

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index f082b4ed4878..d9164fab044d 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -507,10 +507,6 @@ static const struct drm_connector_helper_funcs anx6345_connector_helper_funcs =
 static void
 anx6345_connector_destroy(struct drm_connector *connector)
 {
-	struct anx6345 *anx6345 = connector_to_anx6345(connector);
-
-	if (anx6345->panel)
-		drm_panel_detach(anx6345->panel);
 	drm_connector_cleanup(connector);
 }
 
@@ -575,14 +571,6 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge,
 		return err;
 	}
 
-	if (anx6345->panel) {
-		err = drm_panel_attach(anx6345->panel, &anx6345->connector);
-		if (err) {
-			DRM_ERROR("Failed to attach panel: %d\n", err);
-			return err;
-		}
-	}
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 76736fb8ed94..aa1bb86293fd 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1265,14 +1265,6 @@ static int analogix_dp_bridge_attach(struct drm_bridge *bridge,
 		}
 	}
 
-	if (dp->plat_data->panel) {
-		ret = drm_panel_attach(dp->plat_data->panel, &dp->connector);
-		if (ret) {
-			DRM_ERROR("Failed to attach panel\n");
-			return ret;
-		}
-	}
-
 	return 0;
 }
 
@@ -1803,7 +1795,6 @@ void analogix_dp_unbind(struct analogix_dp_device *dp)
 	if (dp->plat_data->panel) {
 		if (drm_panel_unprepare(dp->plat_data->panel))
 			DRM_ERROR("failed to turnoff the panel\n");
-		drm_panel_detach(dp->plat_data->panel);
 	}
 
 	drm_dp_aux_unregister(&dp->aux);
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
index 1e63ed6b18aa..0ddc37551194 100644
--- a/drivers/gpu/drm/bridge/panel.c
+++ b/drivers/gpu/drm/bridge/panel.c
@@ -82,18 +82,11 @@ static int panel_bridge_attach(struct drm_bridge *bridge,
 	drm_connector_attach_encoder(&panel_bridge->connector,
 					  bridge->encoder);
 
-	ret = drm_panel_attach(panel_bridge->panel, &panel_bridge->connector);
-	if (ret < 0)
-		return ret;
-
 	return 0;
 }
 
 static void panel_bridge_detach(struct drm_bridge *bridge)
 {
-	struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);
-
-	drm_panel_detach(panel_bridge->panel);
 }
 
 static void panel_bridge_pre_enable(struct drm_bridge *bridge)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 86b9f0f87a14..454544e0da7d 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -394,9 +394,6 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge,
 	}
 	pdata->dsi = dsi;
 
-	/* attach panel to bridge */
-	drm_panel_attach(pdata->panel, &pdata->connector);
-
 	return 0;
 
 err_dsi_attach: