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

3 files changed, 0 insertions, 21 deletions

diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c
index ffda3184aa12..d06dd313d3c0 100644
--- a/drivers/gpu/drm/sun4i/sun4i_lvds.c
+++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c
@@ -54,9 +54,6 @@ static struct drm_connector_helper_funcs sun4i_lvds_con_helper_funcs = {
 static void
 sun4i_lvds_connector_destroy(struct drm_connector *connector)
 {
-	struct sun4i_lvds *lvds = drm_connector_to_sun4i_lvds(connector);
-
-	drm_panel_detach(lvds->panel);
 	drm_connector_cleanup(connector);
 }
 
@@ -141,12 +138,6 @@ int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
 
 		drm_connector_attach_encoder(&lvds->connector,
 						  &lvds->encoder);
-
-		ret = drm_panel_attach(lvds->panel, &lvds->connector);
-		if (ret) {
-			dev_err(drm->dev, "Couldn't attach our panel\n");
-			goto err_cleanup_connector;
-		}
 	}
 
 	if (bridge) {
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 5a7d43939ae6..23df1ec03416 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -145,9 +145,6 @@ static struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = {
 static void
 sun4i_rgb_connector_destroy(struct drm_connector *connector)
 {
-	struct sun4i_rgb *rgb = drm_connector_to_sun4i_rgb(connector);
-
-	drm_panel_detach(rgb->panel);
 	drm_connector_cleanup(connector);
 }
 
@@ -233,12 +230,6 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
 
 		drm_connector_attach_encoder(&rgb->connector,
 						  &rgb->encoder);
-
-		ret = drm_panel_attach(rgb->panel, &rgb->connector);
-		if (ret) {
-			dev_err(drm->dev, "Couldn't attach our panel\n");
-			goto err_cleanup_connector;
-		}
 	}
 
 	if (rgb->bridge) {
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index aa67cb037e9d..a78aebfe773d 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -973,7 +973,6 @@ static int sun6i_dsi_attach(struct mipi_dsi_host *host,
 	dsi->panel = panel;
 	dsi->device = device;
 
-	drm_panel_attach(dsi->panel, &dsi->connector);
 	drm_kms_helper_hotplug_event(dsi->drm);
 
 	dev_info(host->dev, "Attached device %s\n", device->name);
@@ -985,12 +984,10 @@ static int sun6i_dsi_detach(struct mipi_dsi_host *host,
 			    struct mipi_dsi_device *device)
 {
 	struct sun6i_dsi *dsi = host_to_sun6i_dsi(host);
-	struct drm_panel *panel = dsi->panel;
 
 	dsi->panel = NULL;
 	dsi->device = NULL;
 
-	drm_panel_detach(panel);
 	drm_kms_helper_hotplug_event(dsi->drm);
 
 	return 0;