patches.renesas/0017-drm-rcar-du-Split-LVDS-encoder-and-connector.patch

From 38d9143167e03586eb4a1063740cbe71ebde4856 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Sat, 15 Jun 2013 14:21:51 +0200
Subject: drm/rcar-du: Split LVDS encoder and connector

This prepares for the encoders rework.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
(cherry picked from commit 56c5dd00f8db27a429647b14c8c309bd5d9c1d15)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/gpu/drm/rcar-du/Makefile          |   1 +
 drivers/gpu/drm/rcar-du/rcar_du_lvds.c    | 120 +--------------------------
 drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 130 ++++++++++++++++++++++++++++++
 drivers/gpu/drm/rcar-du/rcar_du_lvdscon.h |  25 ++++++
 4 files changed, 158 insertions(+), 118 deletions(-)
 create mode 100644 drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
 create mode 100644 drivers/gpu/drm/rcar-du/rcar_du_lvdscon.h

diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile
index 7333c0094015..5def510599b0 100644
--- a/drivers/gpu/drm/rcar-du/Makefile
+++ b/drivers/gpu/drm/rcar-du/Makefile
@@ -2,6 +2,7 @@ rcar-du-drm-y := rcar_du_crtc.o \
 		 rcar_du_drv.o \
 		 rcar_du_kms.o \
 		 rcar_du_lvds.o \
+		 rcar_du_lvdscon.o \
 		 rcar_du_plane.o \
 		 rcar_du_vga.o
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c b/drivers/gpu/drm/rcar-du/rcar_du_lvds.c
index 7aefe7267e1d..82e515741f89 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvds.c
@@ -1,5 +1,5 @@
 /*
- * rcar_du_lvds.c  --  R-Car Display Unit LVDS Encoder and Connector
+ * rcar_du_lvds.c  --  R-Car Display Unit LVDS Encoder
  *
  * Copyright (C) 2013 Renesas Corporation
  *
@@ -18,123 +18,7 @@
 #include "rcar_du_drv.h"
 #include "rcar_du_kms.h"
 #include "rcar_du_lvds.h"
-
-struct rcar_du_lvds_connector {
-	struct rcar_du_connector connector;
-
-	const struct rcar_du_panel_data *panel;
-};
-
-#define to_rcar_lvds_connector(c) \
-	container_of(c, struct rcar_du_lvds_connector, connector.connector)
-
-/* -----------------------------------------------------------------------------
- * Connector
- */
-
-static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
-{
-	struct rcar_du_lvds_connector *lvdscon = to_rcar_lvds_connector(connector);
-	struct drm_display_mode *mode;
-
-	mode = drm_mode_create(connector->dev);
-	if (mode == NULL)
-		return 0;
-
-	mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
-	mode->clock = lvdscon->panel->mode.clock;
-	mode->hdisplay = lvdscon->panel->mode.hdisplay;
-	mode->hsync_start = lvdscon->panel->mode.hsync_start;
-	mode->hsync_end = lvdscon->panel->mode.hsync_end;
-	mode->htotal = lvdscon->panel->mode.htotal;
-	mode->vdisplay = lvdscon->panel->mode.vdisplay;
-	mode->vsync_start = lvdscon->panel->mode.vsync_start;
-	mode->vsync_end = lvdscon->panel->mode.vsync_end;
-	mode->vtotal = lvdscon->panel->mode.vtotal;
-	mode->flags = lvdscon->panel->mode.flags;
-
-	drm_mode_set_name(mode);
-	drm_mode_probed_add(connector, mode);
-
-	return 1;
-}
-
-static int rcar_du_lvds_connector_mode_valid(struct drm_connector *connector,
-					    struct drm_display_mode *mode)
-{
-	return MODE_OK;
-}
-
-static const struct drm_connector_helper_funcs connector_helper_funcs = {
-	.get_modes = rcar_du_lvds_connector_get_modes,
-	.mode_valid = rcar_du_lvds_connector_mode_valid,
-	.best_encoder = rcar_du_connector_best_encoder,
-};
-
-static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
-{
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-}
-
-static enum drm_connector_status
-rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-static const struct drm_connector_funcs connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = rcar_du_lvds_connector_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = rcar_du_lvds_connector_destroy,
-};
-
-static int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
-				       struct rcar_du_encoder *renc,
-				       const struct rcar_du_panel_data *panel)
-{
-	struct rcar_du_lvds_connector *lvdscon;
-	struct drm_connector *connector;
-	int ret;
-
-	lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
-	if (lvdscon == NULL)
-		return -ENOMEM;
-
-	lvdscon->panel = panel;
-
-	connector = &lvdscon->connector.connector;
-	connector->display_info.width_mm = panel->width_mm;
-	connector->display_info.height_mm = panel->height_mm;
-
-	ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
-				 DRM_MODE_CONNECTOR_LVDS);
-	if (ret < 0)
-		return ret;
-
-	drm_connector_helper_add(connector, &connector_helper_funcs);
-	ret = drm_sysfs_connector_add(connector);
-	if (ret < 0)
-		return ret;
-
-	drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
-	drm_object_property_set_value(&connector->base,
-		rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
-
-	ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
-	if (ret < 0)
-		return ret;
-
-	connector->encoder = &renc->encoder;
-	lvdscon->connector.encoder = renc;
-
-	return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * Encoder
- */
+#include "rcar_du_lvdscon.h"
 
 static void rcar_du_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
 {
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
new file mode 100644
index 000000000000..6cfcc9438c68
--- /dev/null
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
@@ -0,0 +1,130 @@
+/*
+ * rcar_du_lvdscon.c  --  R-Car Display Unit LVDS Connector
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "rcar_du_drv.h"
+#include "rcar_du_kms.h"
+#include "rcar_du_lvdscon.h"
+
+struct rcar_du_lvds_connector {
+	struct rcar_du_connector connector;
+
+	const struct rcar_du_panel_data *panel;
+};
+
+#define to_rcar_lvds_connector(c) \
+	container_of(c, struct rcar_du_lvds_connector, connector.connector)
+
+static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
+{
+	struct rcar_du_lvds_connector *lvdscon =
+		to_rcar_lvds_connector(connector);
+	struct drm_display_mode *mode;
+
+	mode = drm_mode_create(connector->dev);
+	if (mode == NULL)
+		return 0;
+
+	mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+	mode->clock = lvdscon->panel->mode.clock;
+	mode->hdisplay = lvdscon->panel->mode.hdisplay;
+	mode->hsync_start = lvdscon->panel->mode.hsync_start;
+	mode->hsync_end = lvdscon->panel->mode.hsync_end;
+	mode->htotal = lvdscon->panel->mode.htotal;
+	mode->vdisplay = lvdscon->panel->mode.vdisplay;
+	mode->vsync_start = lvdscon->panel->mode.vsync_start;
+	mode->vsync_end = lvdscon->panel->mode.vsync_end;
+	mode->vtotal = lvdscon->panel->mode.vtotal;
+	mode->flags = lvdscon->panel->mode.flags;
+
+	drm_mode_set_name(mode);
+	drm_mode_probed_add(connector, mode);
+
+	return 1;
+}
+
+static int rcar_du_lvds_connector_mode_valid(struct drm_connector *connector,
+					    struct drm_display_mode *mode)
+{
+	return MODE_OK;
+}
+
+static const struct drm_connector_helper_funcs connector_helper_funcs = {
+	.get_modes = rcar_du_lvds_connector_get_modes,
+	.mode_valid = rcar_du_lvds_connector_mode_valid,
+	.best_encoder = rcar_du_connector_best_encoder,
+};
+
+static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
+{
+	drm_sysfs_connector_remove(connector);
+	drm_connector_cleanup(connector);
+}
+
+static enum drm_connector_status
+rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
+{
+	return connector_status_connected;
+}
+
+static const struct drm_connector_funcs connector_funcs = {
+	.dpms = drm_helper_connector_dpms,
+	.detect = rcar_du_lvds_connector_detect,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = rcar_du_lvds_connector_destroy,
+};
+
+int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
+				struct rcar_du_encoder *renc,
+				const struct rcar_du_panel_data *panel)
+{
+	struct rcar_du_lvds_connector *lvdscon;
+	struct drm_connector *connector;
+	int ret;
+
+	lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
+	if (lvdscon == NULL)
+		return -ENOMEM;
+
+	lvdscon->panel = panel;
+
+	connector = &lvdscon->connector.connector;
+	connector->display_info.width_mm = panel->width_mm;
+	connector->display_info.height_mm = panel->height_mm;
+
+	ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
+				 DRM_MODE_CONNECTOR_LVDS);
+	if (ret < 0)
+		return ret;
+
+	drm_connector_helper_add(connector, &connector_helper_funcs);
+	ret = drm_sysfs_connector_add(connector);
+	if (ret < 0)
+		return ret;
+
+	drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+	drm_object_property_set_value(&connector->base,
+		rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
+
+	ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
+	if (ret < 0)
+		return ret;
+
+	connector->encoder = &renc->encoder;
+	lvdscon->connector.encoder = renc;
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.h b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.h
new file mode 100644
index 000000000000..bff8683699ca
--- /dev/null
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.h
@@ -0,0 +1,25 @@
+/*
+ * rcar_du_lvdscon.h  --  R-Car Display Unit LVDS Connector
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __RCAR_DU_LVDSCON_H__
+#define __RCAR_DU_LVDSCON_H__
+
+struct rcar_du_device;
+struct rcar_du_encoder;
+struct rcar_du_panel_data;
+
+int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
+				struct rcar_du_encoder *renc,
+				const struct rcar_du_panel_data *panel);
+
+#endif /* __RCAR_DU_LVDSCON_H__ */
-- 
1.8.5.rc3