video: tegra: dc: split dc.c into smaller files

Moved mode setting code into mode.c
Move window code info window.c
Moved clock related code into clock.c
Moved LUT and gamma related code into lut.c
Moved csc(color space conversion) into csc.c
Removed unnecessary static function prototypes from header.
Moved many short inline functions to dc_priv.h
Cleaned up copyright headings.
Cleaned up formatting and indent in all files.
Fixed build warnings.

Bug 870907

Change-Id: I6ccc37150191765394f0b5629423eafd4e5e5792
Signed-off-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-on: http://git-master/r/111371
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>

6 files changed, 13 insertions, 12 deletions

diff --git a/drivers/video/tegra/dc/ext/control.c b/drivers/video/tegra/dc/ext/control.c
index 9caf3e11c16c..ed812be2eab5 100644
--- a/drivers/video/tegra/dc/ext/control.c
+++ b/drivers/video/tegra/dc/ext/control.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/ext/control.c
  *
- * Copyright (C) 2011, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  *
@@ -67,7 +67,7 @@ static int get_output_edid(struct tegra_dc_ext_control_output_edid *edid)
 	struct tegra_dc *dc;
 	size_t user_size = edid->size;
 	struct tegra_dc_edid *dc_edid = NULL;
-	int ret;
+	int ret = 0;
 
 	/* TODO: this should be more dynamic */
 	if (edid->handle > 2)
@@ -262,10 +262,7 @@ int tegra_dc_ext_control_init(void)
 		return ret;
 
 	control->dev = device_create(tegra_dc_ext_class,
-				     NULL,
-				     tegra_dc_ext_devno,
-				     NULL,
-				     "tegra_dc_ctrl");
+	     NULL, tegra_dc_ext_devno, NULL, "tegra_dc_ctrl");
 	if (IS_ERR(control->dev)) {
 		ret = PTR_ERR(control->dev);
 		cdev_del(&control->cdev);
diff --git a/drivers/video/tegra/dc/ext/cursor.c b/drivers/video/tegra/dc/ext/cursor.c
index d8fa5fd8e6d9..970f38f5ac09 100644
--- a/drivers/video/tegra/dc/ext/cursor.c
+++ b/drivers/video/tegra/dc/ext/cursor.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/ext/cursor.c
  *
- * Copyright (C) 2011, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  *
diff --git a/drivers/video/tegra/dc/ext/dev.c b/drivers/video/tegra/dc/ext/dev.c
index a8de7a7a26e0..f9c76f8f0d0d 100644
--- a/drivers/video/tegra/dc/ext/dev.c
+++ b/drivers/video/tegra/dc/ext/dev.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/dev.c
  *
- * Copyright (C) 2011-2012, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  * Some code based on fbdev extensions written by:
@@ -447,7 +447,7 @@ static int tegra_dc_ext_flip(struct tegra_dc_ext_user *user,
 {
 	struct tegra_dc_ext *ext = user->ext;
 	struct tegra_dc_ext_flip_data *data;
-	int work_index;
+	int work_index = -1;
 	int i, ret = 0;
 
 #ifdef CONFIG_ANDROID
@@ -559,6 +559,10 @@ static int tegra_dc_ext_flip(struct tegra_dc_ext_user *user,
 
 		atomic_inc(&ext->win[work_index].nr_pending_flips);
 	}
+	if (work_index < 0) {
+		ret = -EINVAL;
+		goto unlock;
+	}
 	queue_work(ext->win[work_index].flip_wq, &data->work);
 
 	unlock_windows_for_flip(user, args);
diff --git a/drivers/video/tegra/dc/ext/events.c b/drivers/video/tegra/dc/ext/events.c
index 150a1501fced..577d056e2436 100644
--- a/drivers/video/tegra/dc/ext/events.c
+++ b/drivers/video/tegra/dc/ext/events.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/ext/events.c
  *
- * Copyright (C) 2011, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  *
diff --git a/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h b/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
index 2a0c5497b7cb..f68c7d5c93c2 100644
--- a/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
+++ b/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
  *
- * Copyright (C) 2011, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  *
diff --git a/drivers/video/tegra/dc/ext/util.c b/drivers/video/tegra/dc/ext/util.c
index cede642372f3..bd8b3c012c0e 100644
--- a/drivers/video/tegra/dc/ext/util.c
+++ b/drivers/video/tegra/dc/ext/util.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/ext/util.c
  *
- * Copyright (C) 2011, NVIDIA Corporation
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION, All rights reserved.
  *
  * Author: Robert Morell <rmorell@nvidia.com>
  *