Merge branch 'for-florian' of git://gitorious.org/linux-omap-dss2/linux into fbdev-next

37 files changed, 2778 insertions, 2181 deletions

diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c
index 6978ae4ef83a..0fdd6f6873bf 100644
--- a/drivers/video/omap/lcd_ams_delta.c
+++ b/drivers/video/omap/lcd_ams_delta.c
@@ -198,7 +198,7 @@ static int ams_delta_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver ams_delta_panel_driver = {
+static struct platform_driver ams_delta_panel_driver = {
 	.probe		= ams_delta_panel_probe,
 	.remove		= ams_delta_panel_remove,
 	.suspend	= ams_delta_panel_suspend,
@@ -209,15 +209,4 @@ struct platform_driver ams_delta_panel_driver = {
 	},
 };
 
-static int __init ams_delta_panel_drv_init(void)
-{
-	return platform_driver_register(&ams_delta_panel_driver);
-}
-
-static void __exit ams_delta_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&ams_delta_panel_driver);
-}
-
-module_init(ams_delta_panel_drv_init);
-module_exit(ams_delta_panel_drv_cleanup);
+module_platform_driver(ams_delta_panel_driver);
diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
index 622ad839fd9d..49bdeca81e50 100644
--- a/drivers/video/omap/lcd_h3.c
+++ b/drivers/video/omap/lcd_h3.c
@@ -113,7 +113,7 @@ static int h3_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver h3_panel_driver = {
+static struct platform_driver h3_panel_driver = {
 	.probe		= h3_panel_probe,
 	.remove		= h3_panel_remove,
 	.suspend	= h3_panel_suspend,
@@ -124,16 +124,4 @@ struct platform_driver h3_panel_driver = {
 	},
 };
 
-static int __init h3_panel_drv_init(void)
-{
-	return platform_driver_register(&h3_panel_driver);
-}
-
-static void __exit h3_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&h3_panel_driver);
-}
-
-module_init(h3_panel_drv_init);
-module_exit(h3_panel_drv_cleanup);
-
+module_platform_driver(h3_panel_driver);
diff --git a/drivers/video/omap/lcd_htcherald.c b/drivers/video/omap/lcd_htcherald.c
index 4802419da83b..20f477851d54 100644
--- a/drivers/video/omap/lcd_htcherald.c
+++ b/drivers/video/omap/lcd_htcherald.c
@@ -104,7 +104,7 @@ static int htcherald_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver htcherald_panel_driver = {
+static struct platform_driver htcherald_panel_driver = {
 	.probe		= htcherald_panel_probe,
 	.remove		= htcherald_panel_remove,
 	.suspend	= htcherald_panel_suspend,
@@ -115,16 +115,4 @@ struct platform_driver htcherald_panel_driver = {
 	},
 };
 
-static int __init htcherald_panel_drv_init(void)
-{
-	return platform_driver_register(&htcherald_panel_driver);
-}
-
-static void __exit htcherald_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&htcherald_panel_driver);
-}
-
-module_init(htcherald_panel_drv_init);
-module_exit(htcherald_panel_drv_cleanup);
-
+module_platform_driver(htcherald_panel_driver);
diff --git a/drivers/video/omap/lcd_inn1510.c b/drivers/video/omap/lcd_inn1510.c
index 3271f1643b26..b38b1dd15ce3 100644
--- a/drivers/video/omap/lcd_inn1510.c
+++ b/drivers/video/omap/lcd_inn1510.c
@@ -98,7 +98,7 @@ static int innovator1510_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver innovator1510_panel_driver = {
+static struct platform_driver innovator1510_panel_driver = {
 	.probe		= innovator1510_panel_probe,
 	.remove		= innovator1510_panel_remove,
 	.suspend	= innovator1510_panel_suspend,
@@ -109,16 +109,4 @@ struct platform_driver innovator1510_panel_driver = {
 	},
 };
 
-static int __init innovator1510_panel_drv_init(void)
-{
-	return platform_driver_register(&innovator1510_panel_driver);
-}
-
-static void __exit innovator1510_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&innovator1510_panel_driver);
-}
-
-module_init(innovator1510_panel_drv_init);
-module_exit(innovator1510_panel_drv_cleanup);
-
+module_platform_driver(innovator1510_panel_driver);
diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c
index 12cc52a70f96..7e8bd8e08a98 100644
--- a/drivers/video/omap/lcd_inn1610.c
+++ b/drivers/video/omap/lcd_inn1610.c
@@ -122,7 +122,7 @@ static int innovator1610_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver innovator1610_panel_driver = {
+static struct platform_driver innovator1610_panel_driver = {
 	.probe		= innovator1610_panel_probe,
 	.remove		= innovator1610_panel_remove,
 	.suspend	= innovator1610_panel_suspend,
@@ -133,16 +133,4 @@ struct platform_driver innovator1610_panel_driver = {
 	},
 };
 
-static int __init innovator1610_panel_drv_init(void)
-{
-	return platform_driver_register(&innovator1610_panel_driver);
-}
-
-static void __exit innovator1610_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&innovator1610_panel_driver);
-}
-
-module_init(innovator1610_panel_drv_init);
-module_exit(innovator1610_panel_drv_cleanup);
-
+module_platform_driver(innovator1610_panel_driver);
diff --git a/drivers/video/omap/lcd_osk.c b/drivers/video/omap/lcd_osk.c
index 6f8d13c41202..5914220dfa9c 100644
--- a/drivers/video/omap/lcd_osk.c
+++ b/drivers/video/omap/lcd_osk.c
@@ -116,7 +116,7 @@ static int osk_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver osk_panel_driver = {
+static struct platform_driver osk_panel_driver = {
 	.probe		= osk_panel_probe,
 	.remove		= osk_panel_remove,
 	.suspend	= osk_panel_suspend,
@@ -127,16 +127,4 @@ struct platform_driver osk_panel_driver = {
 	},
 };
 
-static int __init osk_panel_drv_init(void)
-{
-	return platform_driver_register(&osk_panel_driver);
-}
-
-static void __exit osk_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&osk_panel_driver);
-}
-
-module_init(osk_panel_drv_init);
-module_exit(osk_panel_drv_cleanup);
-
+module_platform_driver(osk_panel_driver);
diff --git a/drivers/video/omap/lcd_palmte.c b/drivers/video/omap/lcd_palmte.c
index 4cb301750d02..88c31eb0cd6c 100644
--- a/drivers/video/omap/lcd_palmte.c
+++ b/drivers/video/omap/lcd_palmte.c
@@ -97,7 +97,7 @@ static int palmte_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver palmte_panel_driver = {
+static struct platform_driver palmte_panel_driver = {
 	.probe		= palmte_panel_probe,
 	.remove		= palmte_panel_remove,
 	.suspend	= palmte_panel_suspend,
@@ -108,16 +108,4 @@ struct platform_driver palmte_panel_driver = {
 	},
 };
 
-static int __init palmte_panel_drv_init(void)
-{
-	return platform_driver_register(&palmte_panel_driver);
-}
-
-static void __exit palmte_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&palmte_panel_driver);
-}
-
-module_init(palmte_panel_drv_init);
-module_exit(palmte_panel_drv_cleanup);
-
+module_platform_driver(palmte_panel_driver);
diff --git a/drivers/video/omap/lcd_palmtt.c b/drivers/video/omap/lcd_palmtt.c
index b51b332e5a2b..aaf3c8ba1243 100644
--- a/drivers/video/omap/lcd_palmtt.c
+++ b/drivers/video/omap/lcd_palmtt.c
@@ -102,7 +102,7 @@ static int palmtt_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver palmtt_panel_driver = {
+static struct platform_driver palmtt_panel_driver = {
 	.probe		= palmtt_panel_probe,
 	.remove		= palmtt_panel_remove,
 	.suspend	= palmtt_panel_suspend,
@@ -113,15 +113,4 @@ struct platform_driver palmtt_panel_driver = {
 	},
 };
 
-static int __init palmtt_panel_drv_init(void)
-{
-	return platform_driver_register(&palmtt_panel_driver);
-}
-
-static void __exit palmtt_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&palmtt_panel_driver);
-}
-
-module_init(palmtt_panel_drv_init);
-module_exit(palmtt_panel_drv_cleanup);
+module_platform_driver(palmtt_panel_driver);
diff --git a/drivers/video/omap/lcd_palmz71.c b/drivers/video/omap/lcd_palmz71.c
index 2334e56536bc..3b7d8aa1cf34 100644
--- a/drivers/video/omap/lcd_palmz71.c
+++ b/drivers/video/omap/lcd_palmz71.c
@@ -98,7 +98,7 @@ static int palmz71_panel_resume(struct platform_device *pdev)
 	return 0;
 }
 
-struct platform_driver palmz71_panel_driver = {
+static struct platform_driver palmz71_panel_driver = {
 	.probe		= palmz71_panel_probe,
 	.remove		= palmz71_panel_remove,
 	.suspend	= palmz71_panel_suspend,
@@ -109,15 +109,4 @@ struct platform_driver palmz71_panel_driver = {
 	},
 };
 
-static int __init palmz71_panel_drv_init(void)
-{
-	return platform_driver_register(&palmz71_panel_driver);
-}
-
-static void __exit palmz71_panel_drv_cleanup(void)
-{
-	platform_driver_unregister(&palmz71_panel_driver);
-}
-
-module_init(palmz71_panel_drv_init);
-module_exit(palmz71_panel_drv_cleanup);
+module_platform_driver(palmz71_panel_driver);
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index 8d8e1fe1901c..74d29b552901 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -41,7 +41,7 @@ config PANEL_NEC_NL8048HL11_01B
 
 config PANEL_PICODLP
 	tristate "TI PICO DLP mini-projector"
-	depends on OMAP2_DSS && I2C
+	depends on OMAP2_DSS_DPI && I2C
 	help
 		A mini-projector used in TI's SDP4430 and EVM boards
 		For more info please visit http://www.dlp.com/projector/
diff --git a/drivers/video/omap2/displays/panel-generic-dpi.c b/drivers/video/omap2/displays/panel-generic-dpi.c
index 519c47d2057f..28b9a6d61b0f 100644
--- a/drivers/video/omap2/displays/panel-generic-dpi.c
+++ b/drivers/video/omap2/displays/panel-generic-dpi.c
@@ -297,6 +297,72 @@ static struct panel_config generic_dpi_panels[] = {
 
 		.name			= "apollon",
 	},
+	/* FocalTech ETM070003DH6 */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 28000,
+
+			.hsw		= 48,
+			.hfp		= 40,
+			.hbp		= 40,
+
+			.vsw		= 3,
+			.vfp		= 13,
+			.vbp		= 29,
+		},
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS,
+		.name			= "focaltech_etm070003dh6",
+	},
+
+	/* Microtips Technologies - UMSH-8173MD */
+	{
+		{
+			.x_res		= 800,
+			.y_res		= 480,
+
+			.pixel_clock	= 34560,
+
+			.hsw		= 13,
+			.hfp		= 101,
+			.hbp		= 101,
+
+			.vsw		= 23,
+			.vfp		= 1,
+			.vbp		= 1,
+		},
+		.acbi			= 0x0,
+		.acb			= 0x0,
+		.config			= OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+					  OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
+		.power_on_delay		= 0,
+		.power_off_delay	= 0,
+		.name			= "microtips_umsh_8173md",
+	},
+
+	/* OrtusTech COM43H4M10XTC */
+	{
+		{
+			.x_res		= 480,
+			.y_res		= 272,
+
+			.pixel_clock	= 8000,
+
+			.hsw		= 41,
+			.hfp		= 8,
+			.hbp		= 4,
+
+			.vsw		= 10,
+			.vfp		= 4,
+			.vbp		= 2,
+		},
+		.config			= OMAP_DSS_LCD_TFT,
+
+		.name			= "ortustech_com43h4m10xtc",
+	},
 };
 
 struct panel_drv_data {
diff --git a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
index 8365e77e09ff..0eb31caddca8 100644
--- a/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
+++ b/drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
@@ -163,50 +163,93 @@ static void nec_8048_panel_remove(struct omap_dss_device *dssdev)
 	kfree(necd);
 }
 
-static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
+static int nec_8048_panel_power_on(struct omap_dss_device *dssdev)
 {
-	int r = 0;
+	int r;
 	struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
 	struct backlight_device *bl = necd->bl;
 
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
 	if (dssdev->platform_enable) {
 		r = dssdev->platform_enable(dssdev);
 		if (r)
-			return r;
+			goto err1;
 	}
 
 	r = nec_8048_bl_update_status(bl);
 	if (r < 0)
 		dev_err(&dssdev->dev, "failed to set lcd brightness\n");
 
-	r = omapdss_dpi_display_enable(dssdev);
-
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
 	return r;
 }
 
-static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
+static void nec_8048_panel_power_off(struct omap_dss_device *dssdev)
 {
 	struct nec_8048_data *necd = dev_get_drvdata(&dssdev->dev);
 	struct backlight_device *bl = necd->bl;
 
-	omapdss_dpi_display_disable(dssdev);
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
 
 	bl->props.brightness = 0;
 	nec_8048_bl_update_status(bl);
 
 	if (dssdev->platform_disable)
 		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int nec_8048_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = nec_8048_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void nec_8048_panel_disable(struct omap_dss_device *dssdev)
+{
+	nec_8048_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 }
 
 static int nec_8048_panel_suspend(struct omap_dss_device *dssdev)
 {
-	nec_8048_panel_disable(dssdev);
+	nec_8048_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
 	return 0;
 }
 
 static int nec_8048_panel_resume(struct omap_dss_device *dssdev)
 {
-	return nec_8048_panel_enable(dssdev);
+	int r;
+
+	r = nec_8048_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
 }
 
 static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev)
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 80c3f6ab1a94..00c5c615585f 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -198,12 +198,6 @@ struct taal_data {
 	bool te_enabled;
 
 	atomic_t do_update;
-	struct {
-		u16 x;
-		u16 y;
-		u16 w;
-		u16 h;
-	} update_region;
 	int channel;
 
 	struct delayed_work te_timeout_work;
@@ -1188,6 +1182,10 @@ static int taal_power_on(struct omap_dss_device *dssdev)
 	if (r)
 		goto err;
 
+	r = dsi_enable_video_output(dssdev, td->channel);
+	if (r)
+		goto err;
+
 	td->enabled = 1;
 
 	if (!td->intro_printed) {
@@ -1217,6 +1215,8 @@ static void taal_power_off(struct omap_dss_device *dssdev)
 	struct taal_data *td = dev_get_drvdata(&dssdev->dev);
 	int r;
 
+	dsi_disable_video_output(dssdev, td->channel);
+
 	r = taal_dcs_write_0(td, MIPI_DCS_SET_DISPLAY_OFF);
 	if (!r)
 		r = taal_sleep_in(td);
@@ -1394,12 +1394,8 @@ static irqreturn_t taal_te_isr(int irq, void *data)
 	if (old) {
 		cancel_delayed_work(&td->te_timeout_work);
 
-		r = omap_dsi_update(dssdev, td->channel,
-				td->update_region.x,
-				td->update_region.y,
-				td->update_region.w,
-				td->update_region.h,
-				taal_framedone_cb, dssdev);
+		r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
+				dssdev);
 		if (r)
 			goto err;
 	}
@@ -1444,26 +1440,20 @@ static int taal_update(struct omap_dss_device *dssdev,
 		goto err;
 	}
 
-	r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h, true);
-	if (r)
-		goto err;
-
-	r = taal_set_update_window(td, x, y, w, h);
+	/* XXX no need to send this every frame, but dsi break if not done */
+	r = taal_set_update_window(td, 0, 0,
+			td->panel_config->timings.x_res,
+			td->panel_config->timings.y_res);
 	if (r)
 		goto err;
 
 	if (td->te_enabled && panel_data->use_ext_te) {
-		td->update_region.x = x;
-		td->update_region.y = y;
-		td->update_region.w = w;
-		td->update_region.h = h;
-		barrier();
 		schedule_delayed_work(&td->te_timeout_work,
 				msecs_to_jiffies(250));
 		atomic_set(&td->do_update, 1);
 	} else {
-		r = omap_dsi_update(dssdev, td->channel, x, y, w, h,
-				taal_framedone_cb, dssdev);
+		r = omap_dsi_update(dssdev, td->channel, taal_framedone_cb,
+				dssdev);
 		if (r)
 			goto err;
 	}
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index bd34ac5b2026..5c450b0f94d0 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
-omapdss-y := core.o dss.o dss_features.o dispc.o display.o manager.o overlay.o
+omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \
+	manager.o overlay.o apply.o
 omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
 omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
new file mode 100644
index 000000000000..052dc874cd3d
--- /dev/null
+++ b/drivers/video/omap2/dss/apply.c
@@ -0,0 +1,1324 @@
+/*
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.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/>.
+ */
+
+#define DSS_SUBSYS_NAME "APPLY"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+
+#include <video/omapdss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/*
+ * We have 4 levels of cache for the dispc settings. First two are in SW and
+ * the latter two in HW.
+ *
+ *       set_info()
+ *          v
+ * +--------------------+
+ * |     user_info      |
+ * +--------------------+
+ *          v
+ *        apply()
+ *          v
+ * +--------------------+
+ * |       info         |
+ * +--------------------+
+ *          v
+ *      write_regs()
+ *          v
+ * +--------------------+
+ * |  shadow registers  |
+ * +--------------------+
+ *          v
+ * VFP or lcd/digit_enable
+ *          v
+ * +--------------------+
+ * |      registers     |
+ * +--------------------+
+ */
+
+struct ovl_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_info info;
+
+	bool shadow_info_dirty;
+
+	bool extra_info_dirty;
+	bool shadow_extra_info_dirty;
+
+	bool enabled;
+	enum omap_channel channel;
+	u32 fifo_low, fifo_high;
+
+	/*
+	 * True if overlay is to be enabled. Used to check and calculate configs
+	 * for the overlay before it is enabled in the HW.
+	 */
+	bool enabling;
+};
+
+struct mgr_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_manager_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_manager_info info;
+
+	bool shadow_info_dirty;
+
+	/* If true, GO bit is up and shadow registers cannot be written.
+	 * Never true for manual update displays */
+	bool busy;
+
+	/* If true, dispc output is enabled */
+	bool updating;
+
+	/* If true, a display is enabled using this manager */
+	bool enabled;
+};
+
+static struct {
+	struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];
+	struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS];
+
+	bool irq_enabled;
+} dss_data;
+
+/* protects dss_data */
+static spinlock_t data_lock;
+/* lock for blocking functions */
+static DEFINE_MUTEX(apply_lock);
+static DECLARE_COMPLETION(extra_updated_completion);
+
+static void dss_register_vsync_isr(void);
+
+static struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl)
+{
+	return &dss_data.ovl_priv_data_array[ovl->id];
+}
+
+static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr)
+{
+	return &dss_data.mgr_priv_data_array[mgr->id];
+}
+
+void dss_apply_init(void)
+{
+	const int num_ovls = dss_feat_get_num_ovls();
+	int i;
+
+	spin_lock_init(&data_lock);
+
+	for (i = 0; i < num_ovls; ++i) {
+		struct ovl_priv_data *op;
+
+		op = &dss_data.ovl_priv_data_array[i];
+
+		op->info.global_alpha = 255;
+
+		switch (i) {
+		case 0:
+			op->info.zorder = 0;
+			break;
+		case 1:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0;
+			break;
+		case 2:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0;
+			break;
+		case 3:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0;
+			break;
+		}
+
+		op->user_info = op->info;
+	}
+}
+
+static bool ovl_manual_update(struct omap_overlay *ovl)
+{
+	return ovl->manager->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
+}
+
+static bool mgr_manual_update(struct omap_overlay_manager *mgr)
+{
+	return mgr->device->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE;
+}
+
+static int dss_check_settings_low(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev, bool applying)
+{
+	struct omap_overlay_info *oi;
+	struct omap_overlay_manager_info *mi;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info *ois[MAX_DSS_OVERLAYS];
+	struct ovl_priv_data *op;
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (applying && mp->user_info_dirty)
+		mi = &mp->user_info;
+	else
+		mi = &mp->info;
+
+	/* collect the infos to be tested into the array */
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+
+		if (!op->enabled && !op->enabling)
+			oi = NULL;
+		else if (applying && op->user_info_dirty)
+			oi = &op->user_info;
+		else
+			oi = &op->info;
+
+		ois[ovl->id] = oi;
+	}
+
+	return dss_mgr_check(mgr, dssdev, mi, ois);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from data->info
+ */
+static int dss_check_settings(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev)
+{
+	return dss_check_settings_low(mgr, dssdev, false);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from ovl->info if
+ * dirty and from data->info otherwise
+ */
+static int dss_check_settings_apply(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dssdev)
+{
+	return dss_check_settings_low(mgr, dssdev, true);
+}
+
+static bool need_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		struct omap_overlay *ovl;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		if (mgr_manual_update(mgr)) {
+			/* to catch FRAMEDONE */
+			if (mp->updating)
+				return true;
+		} else {
+			/* to catch GO bit going down */
+			if (mp->busy)
+				return true;
+
+			/* to write new values to registers */
+			if (mp->info_dirty)
+				return true;
+
+			/* to set GO bit */
+			if (mp->shadow_info_dirty)
+				retur