Remove tilcdc slave support for tda998x driver. The tilcdc slave
support would conflicts with componentized use of tda998x.

Signed-off-by: Jyri Sarha <jsarha at ti.com>
---
 .../devicetree/bindings/drm/tilcdc/slave.txt       |  18 -
 drivers/gpu/drm/tilcdc/Makefile                    |   1 -
 drivers/gpu/drm/tilcdc/tilcdc_drv.c                |  13 -
 drivers/gpu/drm/tilcdc/tilcdc_drv.h                |   1 -
 drivers/gpu/drm/tilcdc/tilcdc_slave.c              | 411 ---------------------
 drivers/gpu/drm/tilcdc/tilcdc_slave.h              |  26 --
 6 files changed, 470 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/drm/tilcdc/slave.txt
 delete mode 100644 drivers/gpu/drm/tilcdc/tilcdc_slave.c
 delete mode 100644 drivers/gpu/drm/tilcdc/tilcdc_slave.h

diff --git a/Documentation/devicetree/bindings/drm/tilcdc/slave.txt 
b/Documentation/devicetree/bindings/drm/tilcdc/slave.txt
deleted file mode 100644
index 3d2c524..0000000
--- a/Documentation/devicetree/bindings/drm/tilcdc/slave.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-Device-Tree bindings for tilcdc DRM encoder slave output driver
-
-Required properties:
- - compatible: value should be "ti,tilcdc,slave".
- - i2c: the phandle for the i2c device the encoder slave is connected to
-
-Recommended properties:
- - pinctrl-names, pinctrl-0: the pincontrol settings to configure
-   muxing properly for pins that connect to TFP410 device
-
-Example:
-
-       hdmi {
-               compatible = "ti,tilcdc,slave";
-               i2c = <&i2c0>;
-               pinctrl-names = "default";
-               pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
-       };
diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile
index 7d2eefe..44485f9 100644
--- a/drivers/gpu/drm/tilcdc/Makefile
+++ b/drivers/gpu/drm/tilcdc/Makefile
@@ -6,7 +6,6 @@ endif
 tilcdc-y := \
        tilcdc_crtc.o \
        tilcdc_tfp410.o \
-       tilcdc_slave.o \
        tilcdc_panel.o \
        tilcdc_drv.o

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c 
b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 095fca9..0f1e099 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -20,13 +20,11 @@
 #include "tilcdc_drv.h"
 #include "tilcdc_regs.h"
 #include "tilcdc_tfp410.h"
-#include "tilcdc_slave.h"
 #include "tilcdc_panel.h"

 #include "drm_fb_helper.h"

 static LIST_HEAD(module_list);
-static bool slave_probing;

 void tilcdc_module_init(struct tilcdc_module *mod, const char *name,
                const struct tilcdc_module_ops *funcs)
@@ -42,11 +40,6 @@ void tilcdc_module_cleanup(struct tilcdc_module *mod)
        list_del(&mod->list);
 }

-void tilcdc_slave_probedefer(bool defered)
-{
-       slave_probing = defered;
-}
-
 static struct of_device_id tilcdc_of_match[];

 static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev,
@@ -620,10 +613,6 @@ static int tilcdc_pdev_probe(struct platform_device *pdev)
                return -ENXIO;
        }

-       /* defer probing if slave is in deferred probing */
-       if (slave_probing == true)
-               return -EPROBE_DEFER;
-
        return drm_platform_init(&tilcdc_driver, pdev);
 }

@@ -654,7 +643,6 @@ static int __init tilcdc_drm_init(void)
 {
        DBG("init");
        tilcdc_tfp410_init();
-       tilcdc_slave_init();
        tilcdc_panel_init();
        return platform_driver_register(&tilcdc_platform_driver);
 }
@@ -664,7 +652,6 @@ static void __exit tilcdc_drm_fini(void)
        DBG("fini");
        platform_driver_unregister(&tilcdc_platform_driver);
        tilcdc_panel_fini();
-       tilcdc_slave_fini();
        tilcdc_tfp410_fini();
 }

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h 
b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
index 7596c14..6336512 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
@@ -116,7 +116,6 @@ struct tilcdc_module {
 void tilcdc_module_init(struct tilcdc_module *mod, const char *name,
                const struct tilcdc_module_ops *funcs);
 void tilcdc_module_cleanup(struct tilcdc_module *mod);
-void tilcdc_slave_probedefer(bool defered);

 /* Panel config that needs to be set in the crtc, but is not coming from
  * the mode timings.  The display module is expected to call
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.c 
b/drivers/gpu/drm/tilcdc/tilcdc_slave.c
deleted file mode 100644
index 3775fd4..0000000
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave.c
+++ /dev/null
@@ -1,411 +0,0 @@
-/*
- * Copyright (C) 2012 Texas Instruments
- * Author: Rob Clark <robdclark at gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/i2c.h>
-#include <linux/pinctrl/pinmux.h>
-#include <linux/pinctrl/consumer.h>
-#include <drm/drm_encoder_slave.h>
-
-#include "tilcdc_drv.h"
-
-struct slave_module {
-       struct tilcdc_module base;
-       struct i2c_adapter *i2c;
-};
-#define to_slave_module(x) container_of(x, struct slave_module, base)
-
-static const struct tilcdc_panel_info slave_info = {
-               .bpp                    = 16,
-               .ac_bias                = 255,
-               .ac_bias_intrpt         = 0,
-               .dma_burst_sz           = 16,
-               .fdd                    = 0x80,
-               .tft_alt_mode           = 0,
-               .sync_edge              = 0,
-               .sync_ctrl              = 1,
-               .raster_order           = 0,
-};
-
-
-/*
- * Encoder:
- */
-
-struct slave_encoder {
-       struct drm_encoder_slave base;
-       struct slave_module *mod;
-};
-#define to_slave_encoder(x) container_of(to_encoder_slave(x), struct 
slave_encoder, base)
-
-static inline struct drm_encoder_slave_funcs *
-get_slave_funcs(struct drm_encoder *enc)
-{
-       return to_encoder_slave(enc)->slave_funcs;
-}
-
-static void slave_encoder_destroy(struct drm_encoder *encoder)
-{
-       struct slave_encoder *slave_encoder = to_slave_encoder(encoder);
-       if (get_slave_funcs(encoder))
-               get_slave_funcs(encoder)->destroy(encoder);
-       drm_encoder_cleanup(encoder);
-       kfree(slave_encoder);
-}
-
-static void slave_encoder_prepare(struct drm_encoder *encoder)
-{
-       drm_i2c_encoder_prepare(encoder);
-       tilcdc_crtc_set_panel_info(encoder->crtc, &slave_info);
-}
-
-static bool slave_encoder_fixup(struct drm_encoder *encoder,
-               const struct drm_display_mode *mode,
-               struct drm_display_mode *adjusted_mode)
-{
-       /*
-        * tilcdc does not generate VESA-complient sync but aligns
-        * VS on the second edge of HS instead of first edge.
-        * We use adjusted_mode, to fixup sync by aligning both rising
-        * edges and add HSKEW offset to let the slave encoder fix it up.
-        */
-       adjusted_mode->hskew = mode->hsync_end - mode->hsync_start;
-       adjusted_mode->flags |= DRM_MODE_FLAG_HSKEW;
-
-       if (mode->flags & DRM_MODE_FLAG_NHSYNC) {
-               adjusted_mode->flags |= DRM_MODE_FLAG_PHSYNC;
-               adjusted_mode->flags &= ~DRM_MODE_FLAG_NHSYNC;
-       } else {
-               adjusted_mode->flags |= DRM_MODE_FLAG_NHSYNC;
-               adjusted_mode->flags &= ~DRM_MODE_FLAG_PHSYNC;
-       }
-
-       return drm_i2c_encoder_mode_fixup(encoder, mode, adjusted_mode);
-}
-
-
-static const struct drm_encoder_funcs slave_encoder_funcs = {
-               .destroy        = slave_encoder_destroy,
-};
-
-static const struct drm_encoder_helper_funcs slave_encoder_helper_funcs = {
-               .dpms           = drm_i2c_encoder_dpms,
-               .mode_fixup     = slave_encoder_fixup,
-               .prepare        = slave_encoder_prepare,
-               .commit         = drm_i2c_encoder_commit,
-               .mode_set       = drm_i2c_encoder_mode_set,
-               .save           = drm_i2c_encoder_save,
-               .restore        = drm_i2c_encoder_restore,
-};
-
-static const struct i2c_board_info info = {
-               I2C_BOARD_INFO("tda998x", 0x70)
-};
-
-static struct drm_encoder *slave_encoder_create(struct drm_device *dev,
-               struct slave_module *mod)
-{
-       struct slave_encoder *slave_encoder;
-       struct drm_encoder *encoder;
-       int ret;
-
-       slave_encoder = kzalloc(sizeof(*slave_encoder), GFP_KERNEL);
-       if (!slave_encoder) {
-               dev_err(dev->dev, "allocation failed\n");
-               return NULL;
-       }
-
-       slave_encoder->mod = mod;
-
-       encoder = &slave_encoder->base.base;
-       encoder->possible_crtcs = 1;
-
-       ret = drm_encoder_init(dev, encoder, &slave_encoder_funcs,
-                       DRM_MODE_ENCODER_TMDS);
-       if (ret)
-               goto fail;
-
-       drm_encoder_helper_add(encoder, &slave_encoder_helper_funcs);
-
-       ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder), mod->i2c, 
&info);
-       if (ret)
-               goto fail;
-
-       return encoder;
-
-fail:
-       slave_encoder_destroy(encoder);
-       return NULL;
-}
-
-/*
- * Connector:
- */
-
-struct slave_connector {
-       struct drm_connector base;
-
-       struct drm_encoder *encoder;  /* our connected encoder */
-       struct slave_module *mod;
-};
-#define to_slave_connector(x) container_of(x, struct slave_connector, base)
-
-static void slave_connector_destroy(struct drm_connector *connector)
-{
-       struct slave_connector *slave_connector = to_slave_connector(connector);
-       drm_connector_unregister(connector);
-       drm_connector_cleanup(connector);
-       kfree(slave_connector);
-}
-
-static enum drm_connector_status slave_connector_detect(
-               struct drm_connector *connector,
-               bool force)
-{
-       struct drm_encoder *encoder = to_slave_connector(connector)->encoder;
-       return get_slave_funcs(encoder)->detect(encoder, connector);
-}
-
-static int slave_connector_get_modes(struct drm_connector *connector)
-{
-       struct drm_encoder *encoder = to_slave_connector(connector)->encoder;
-       return get_slave_funcs(encoder)->get_modes(encoder, connector);
-}
-
-static int slave_connector_mode_valid(struct drm_connector *connector,
-                 struct drm_display_mode *mode)
-{
-       struct drm_encoder *encoder = to_slave_connector(connector)->encoder;
-       struct tilcdc_drm_private *priv = connector->dev->dev_private;
-       int ret;
-
-       ret = tilcdc_crtc_mode_valid(priv->crtc, mode);
-       if (ret != MODE_OK)
-               return ret;
-
-       return get_slave_funcs(encoder)->mode_valid(encoder, mode);
-}
-
-static struct drm_encoder *slave_connector_best_encoder(
-               struct drm_connector *connector)
-{
-       struct slave_connector *slave_connector = to_slave_connector(connector);
-       return slave_connector->encoder;
-}
-
-static int slave_connector_set_property(struct drm_connector *connector,
-               struct drm_property *property, uint64_t value)
-{
-       struct drm_encoder *encoder = to_slave_connector(connector)->encoder;
-       return get_slave_funcs(encoder)->set_property(encoder,
-                       connector, property, value);
-}
-
-static const struct drm_connector_funcs slave_connector_funcs = {
-       .destroy            = slave_connector_destroy,
-       .dpms               = drm_helper_connector_dpms,
-       .detect             = slave_connector_detect,
-       .fill_modes         = drm_helper_probe_single_connector_modes,
-       .set_property       = slave_connector_set_property,
-};
-
-static const struct drm_connector_helper_funcs slave_connector_helper_funcs = {
-       .get_modes          = slave_connector_get_modes,
-       .mode_valid         = slave_connector_mode_valid,
-       .best_encoder       = slave_connector_best_encoder,
-};
-
-static struct drm_connector *slave_connector_create(struct drm_device *dev,
-               struct slave_module *mod, struct drm_encoder *encoder)
-{
-       struct slave_connector *slave_connector;
-       struct drm_connector *connector;
-       int ret;
-
-       slave_connector = kzalloc(sizeof(*slave_connector), GFP_KERNEL);
-       if (!slave_connector) {
-               dev_err(dev->dev, "allocation failed\n");
-               return NULL;
-       }
-
-       slave_connector->encoder = encoder;
-       slave_connector->mod = mod;
-
-       connector = &slave_connector->base;
-
-       drm_connector_init(dev, connector, &slave_connector_funcs,
-                       DRM_MODE_CONNECTOR_HDMIA);
-       drm_connector_helper_add(connector, &slave_connector_helper_funcs);
-
-       connector->polled = DRM_CONNECTOR_POLL_CONNECT |
-                       DRM_CONNECTOR_POLL_DISCONNECT;
-
-       connector->interlace_allowed = 0;
-       connector->doublescan_allowed = 0;
-
-       get_slave_funcs(encoder)->create_resources(encoder, connector);
-
-       ret = drm_mode_connector_attach_encoder(connector, encoder);
-       if (ret)
-               goto fail;
-
-       drm_connector_register(connector);
-
-       return connector;
-
-fail:
-       slave_connector_destroy(connector);
-       return NULL;
-}
-
-/*
- * Module:
- */
-
-static int slave_modeset_init(struct tilcdc_module *mod, struct drm_device 
*dev)
-{
-       struct slave_module *slave_mod = to_slave_module(mod);
-       struct tilcdc_drm_private *priv = dev->dev_private;
-       struct drm_encoder *encoder;
-       struct drm_connector *connector;
-
-       encoder = slave_encoder_create(dev, slave_mod);
-       if (!encoder)
-               return -ENOMEM;
-
-       connector = slave_connector_create(dev, slave_mod, encoder);
-       if (!connector)
-               return -ENOMEM;
-
-       priv->encoders[priv->num_encoders++] = encoder;
-       priv->connectors[priv->num_connectors++] = connector;
-
-       return 0;
-}
-
-static const struct tilcdc_module_ops slave_module_ops = {
-               .modeset_init = slave_modeset_init,
-};
-
-/*
- * Device:
- */
-
-static struct of_device_id slave_of_match[];
-
-static int slave_probe(struct platform_device *pdev)
-{
-       struct device_node *node = pdev->dev.of_node;
-       struct device_node *i2c_node;
-       struct slave_module *slave_mod;
-       struct tilcdc_module *mod;
-       struct pinctrl *pinctrl;
-       uint32_t i2c_phandle;
-       struct i2c_adapter *slavei2c;
-       int ret = -EINVAL;
-
-       /* bail out early if no DT data: */
-       if (!node) {
-               dev_err(&pdev->dev, "device-tree data is missing\n");
-               return -ENXIO;
-       }
-
-       /* Bail out early if i2c not specified */
-       if (of_property_read_u32(node, "i2c", &i2c_phandle)) {
-               dev_err(&pdev->dev, "could not get i2c bus phandle\n");
-               return ret;
-       }
-
-       i2c_node = of_find_node_by_phandle(i2c_phandle);
-       if (!i2c_node) {
-               dev_err(&pdev->dev, "could not get i2c bus node\n");
-               return ret;
-       }
-
-       /* but defer the probe if it can't be initialized it might come later */
-       slavei2c = of_find_i2c_adapter_by_node(i2c_node);
-       of_node_put(i2c_node);
-
-       if (!slavei2c) {
-               ret = -EPROBE_DEFER;
-               tilcdc_slave_probedefer(true);
-               dev_err(&pdev->dev, "could not get i2c\n");
-               return ret;
-       }
-
-       slave_mod = kzalloc(sizeof(*slave_mod), GFP_KERNEL);
-       if (!slave_mod) {
-               ret = -ENOMEM;
-               goto fail_adapter;
-       }
-
-       mod = &slave_mod->base;
-       pdev->dev.platform_data = mod;
-
-       mod->preferred_bpp = slave_info.bpp;
-
-       slave_mod->i2c = slavei2c;
-
-       tilcdc_module_init(mod, "slave", &slave_module_ops);
-
-       pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
-       if (IS_ERR(pinctrl))
-               dev_warn(&pdev->dev, "pins are not configured\n");
-
-       tilcdc_slave_probedefer(false);
-
-       return 0;
-
-fail_adapter:
-       i2c_put_adapter(slavei2c);
-       return ret;
-}
-
-static int slave_remove(struct platform_device *pdev)
-{
-       struct tilcdc_module *mod = dev_get_platdata(&pdev->dev);
-       struct slave_module *slave_mod = to_slave_module(mod);
-
-       tilcdc_module_cleanup(mod);
-       kfree(slave_mod);
-
-       return 0;
-}
-
-static struct of_device_id slave_of_match[] = {
-               { .compatible = "ti,tilcdc,slave", },
-               { },
-};
-
-struct platform_driver slave_driver = {
-       .probe = slave_probe,
-       .remove = slave_remove,
-       .driver = {
-               .owner = THIS_MODULE,
-               .name = "slave",
-               .of_match_table = slave_of_match,
-       },
-};
-
-int __init tilcdc_slave_init(void)
-{
-       return platform_driver_register(&slave_driver);
-}
-
-void __exit tilcdc_slave_fini(void)
-{
-       platform_driver_unregister(&slave_driver);
-}
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_slave.h 
b/drivers/gpu/drm/tilcdc/tilcdc_slave.h
deleted file mode 100644
index 2f85048..0000000
--- a/drivers/gpu/drm/tilcdc/tilcdc_slave.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2012 Texas Instruments
- * Author: Rob Clark <robdclark at gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __TILCDC_SLAVE_H__
-#define __TILCDC_SLAVE_H__
-
-/* sub-module for i2c slave encoder output */
-
-int tilcdc_slave_init(void);
-void tilcdc_slave_fini(void);
-
-#endif /* __TILCDC_SLAVE_H__ */
-- 
1.9.1

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