video: mcde: remove synchronized_update

The SET_TEAR_ON command is sent in display
driver file which makes the
set_synchronized_update function
unnecessary and hence it is removed.

ST-Ericsson ID: 405619
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial

Change-Id: Ie00000290ffb95ad490ba8c13d3eeb576fc8681e
Signed-off-by: Anders Bauer <anders.bauer@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/43219
Reviewed-by: Jimmy RUBIN <jimmy.rubin@stericsson.com>
Tested-by: Jimmy RUBIN <jimmy.rubin@stericsson.com>
Reviewed-by: QATOOLS
Reviewed-by: QABUILD
Reviewed-by: Per PERSSON <per.xb.persson@stericsson.com>

5 files changed, 11 insertions, 120 deletions

diff --git a/drivers/video/mcde/display-generic_dsi.c b/drivers/video/mcde/display-generic_dsi.c
index 6c63f4cd750..dfbaa4a8765 100644
--- a/drivers/video/mcde/display-generic_dsi.c
+++ b/drivers/video/mcde/display-generic_dsi.c
@@ -254,8 +254,6 @@ static int generic_resume(struct mcde_display_device *ddev)
 	if (ret < 0)
 		dev_warn(&ddev->dev, "%s:Failed to resume display\n"
 			, __func__);
-	ddev->set_synchronized_update(ddev,
-					ddev->get_synchronized_update(ddev));
 	return ret;
 }
 
diff --git a/drivers/video/mcde/display-sony_acx424akp_dsi.c b/drivers/video/mcde/display-sony_acx424akp_dsi.c
index 5a027203e9a..78b1477c15c 100644
--- a/drivers/video/mcde/display-sony_acx424akp_dsi.c
+++ b/drivers/video/mcde/display-sony_acx424akp_dsi.c
@@ -368,8 +368,6 @@ static int sony_acx424akp_resume(struct mcde_display_device *ddev)
 	if (ret < 0)
 		dev_warn(&ddev->dev, "%s:Failed to resume display\n"
 			, __func__);
-	ddev->set_synchronized_update(ddev,
-					ddev->get_synchronized_update(ddev));
 	return ret;
 }
 
diff --git a/drivers/video/mcde/mcde_display.c b/drivers/video/mcde/mcde_display.c
index 1e71514ab34..bf8bd2ca92f 100644
--- a/drivers/video/mcde/mcde_display.c
+++ b/drivers/video/mcde/mcde_display.c
@@ -236,49 +236,10 @@ static inline enum mcde_display_rotation mcde_display_get_rotation_default(
 	return ddev->rotation;
 }
 
-static int mcde_display_set_synchronized_update_default(
-	struct mcde_display_device *ddev, bool enable)
-{
-	if (ddev->port->type == MCDE_PORTTYPE_DSI && enable) {
-		int ret;
-		u8 m = 0;
-
-		if (ddev->port->sync_src == MCDE_SYNCSRC_OFF)
-			return -EINVAL;
-
-		ret = mcde_dsi_dcs_write(ddev->chnl_state,
-						DCS_CMD_SET_TEAR_ON, &m, 1);
-		if (ret < 0) {
-			dev_warn(&ddev->dev,
-				"%s:Failed to set synchornized update = %d\n",
-				__func__, enable);
-			return ret;
-		}
-	}
-	ddev->synchronized_update = enable;
-	return 0;
-}
-
-static inline bool mcde_display_get_synchronized_update_default(
-	struct mcde_display_device *ddev)
-{
-	return ddev->synchronized_update;
-}
-
 static int mcde_display_apply_config_default(struct mcde_display_device *ddev)
 {
 	int ret;
 
-	ret = mcde_chnl_enable_synchronized_update(ddev->chnl_state,
-		ddev->synchronized_update);
-
-	if (ret < 0) {
-		dev_warn(&ddev->dev,
-			"%s:Failed to enable synchronized update\n",
-			__func__);
-		return ret;
-	}
-
 	if (!ddev->update_flags)
 		return 0;
 
@@ -396,10 +357,6 @@ void mcde_display_init_device(struct mcde_display_device *ddev)
 	ddev->get_pixel_format = mcde_display_get_pixel_format_default;
 	ddev->set_rotation = mcde_display_set_rotation_default;
 	ddev->get_rotation = mcde_display_get_rotation_default;
-	ddev->set_synchronized_update =
-				mcde_display_set_synchronized_update_default;
-	ddev->get_synchronized_update =
-				mcde_display_get_synchronized_update_default;
 	ddev->apply_config = mcde_display_apply_config_default;
 	ddev->invalidate_area = mcde_display_invalidate_area_default;
 	ddev->update = mcde_display_update_default;
diff --git a/drivers/video/mcde/mcde_dss.c b/drivers/video/mcde/mcde_dss.c
index a2ef0b652d7..35a6cbe9540 100644
--- a/drivers/video/mcde/mcde_dss.c
+++ b/drivers/video/mcde/mcde_dss.c
@@ -116,25 +116,10 @@ int mcde_dss_enable_display(struct mcde_display_device *ddev)
 		goto display_failed;
 	}
 
-	ret = ddev->set_synchronized_update(ddev,
-					ddev->get_synchronized_update(ddev));
-	if (ret < 0)
-		dev_warn(&ddev->dev, "Failed to set sync\n");
-
 	ret = ddev->set_rotation(ddev, ddev->get_rotation(ddev));
 	if (ret < 0)
 		dev_warn(&ddev->dev, "Failed to set rotation\n");
 
-	ret = mcde_chnl_enable_synchronized_update(ddev->chnl_state,
-		ddev->synchronized_update);
-	if (ret < 0) {
-		dev_warn(&ddev->dev,
-			"%s:Failed to enable synchronized update\n",
-			__func__);
-		goto enable_sync_failed;
-	}
-	/* TODO: call driver for all defaults like sync_update above */
-
 	dev_dbg(&ddev->dev, "Display enabled, chnl=%d\n",
 					ddev->chnl_id);
 	ddev->enabled = true;
@@ -142,8 +127,6 @@ int mcde_dss_enable_display(struct mcde_display_device *ddev)
 
 	return 0;
 
-enable_sync_failed:
-	ddev->set_power_mode(ddev, MCDE_DISPLAY_PM_OFF);
 display_failed:
 	mcde_chnl_disable(ddev->chnl_state);
 	mutex_unlock(&ddev->display_lock);
@@ -451,36 +434,6 @@ enum mcde_display_rotation mcde_dss_get_rotation(
 }
 EXPORT_SYMBOL(mcde_dss_get_rotation);
 
-int mcde_dss_set_synchronized_update(struct mcde_display_device *ddev,
-	bool enable)
-{
-	int ret;
-	mutex_lock(&ddev->display_lock);
-	ret = ddev->set_synchronized_update(ddev, enable);
-	if (ret)
-		goto sync_update_failed;
-
-	if (ddev->chnl_state)
-		mcde_chnl_enable_synchronized_update(ddev->chnl_state, enable);
-	mutex_unlock(&ddev->display_lock);
-	return 0;
-
-sync_update_failed:
-	mutex_unlock(&ddev->display_lock);
-	return ret;
-}
-EXPORT_SYMBOL(mcde_dss_set_synchronized_update);
-
-bool mcde_dss_get_synchronized_update(struct mcde_display_device *ddev)
-{
-	int ret;
-	mutex_lock(&ddev->display_lock);
-	ret = ddev->get_synchronized_update(ddev);
-	mutex_unlock(&ddev->display_lock);
-	return ret;
-}
-EXPORT_SYMBOL(mcde_dss_get_synchronized_update);
-
 int __init mcde_dss_init(void)
 {
 	return 0;
diff --git a/drivers/video/mcde/mcde_hw.c b/drivers/video/mcde/mcde_hw.c
index d6c9dd3304e..3b394106416 100644
--- a/drivers/video/mcde/mcde_hw.c
+++ b/drivers/video/mcde/mcde_hw.c
@@ -283,7 +283,6 @@ struct chnl_regs {
 	u16 (*map_b)(u8);
 	bool palette_enable;
 	bool bcd;
-	bool synchronized_update;
 	bool roten;
 	u8   rotdir;
 	u32  rotbuf1;
@@ -365,7 +364,6 @@ struct mcde_chnl_state {
 	u16 (*map_g)(u8);
 	u16 (*map_b)(u8);
 	bool palette_enable;
-	bool synchronized_update;
 	struct mcde_video_mode vmode;
 	enum mcde_display_rotation rotation;
 	u32 rotbuf1;
@@ -2725,7 +2723,6 @@ static int _mcde_chnl_apply(struct mcde_chnl_state *chnl)
 	/* REVIEW: 180 deg? */
 
 	chnl->regs.bpp = portfmt2bpp(chnl->port.pixel_format);
-	chnl->regs.synchronized_update = chnl->synchronized_update;
 	chnl->regs.roten = roten;
 	chnl->regs.rotdir = rotdir;
 	chnl->regs.rotbuf1 = chnl->rotbuf1;
@@ -2808,15 +2805,17 @@ static void chnl_update_non_continous(struct mcde_chnl_state *chnl)
 	/* Commit settings to registers */
 	setup_channel(chnl);
 
-	if (chnl->regs.synchronized_update &&
-				chnl->power_mode == MCDE_DISPLAY_PM_ON) {
-		if (chnl->port.type == MCDE_PORTTYPE_DSI &&
-					chnl->port.sync_src == MCDE_SYNCSRC_BTA)
-			dsi_te_request(chnl);
-	} else {
-		do_softwaretrig(chnl);
-		dev_vdbg(&mcde_dev->dev, "Channel update (no sync), chnl=%d\n",
-			chnl->id);
+	if (chnl->port.type == MCDE_PORTTYPE_DSI) {
+		if (chnl->port.sync_src == MCDE_SYNCSRC_OFF) {
+			do_softwaretrig(chnl);
+			dev_vdbg(&mcde_dev->dev, "Channel update (no sync), "
+							"chnl=%d\n", chnl->id);
+		} else if (chnl->port.sync_src == MCDE_SYNCSRC_BTA) {
+			if (chnl->power_mode == MCDE_DISPLAY_PM_ON)
+				dsi_te_request(chnl);
+			else
+				do_softwaretrig(chnl);
+		}
 	}
 }
 
@@ -3021,20 +3020,6 @@ int mcde_chnl_set_rotation(struct mcde_chnl_state *chnl,
 	return 0;
 }
 
-int mcde_chnl_enable_synchronized_update(struct mcde_chnl_state *chnl,
-								bool enable)
-{
-	dev_vdbg(&mcde_dev->dev, "%s\n", __func__);
-	if (!chnl->reserved)
-		return -EINVAL;
-
-	chnl->synchronized_update = enable;
-
-	dev_vdbg(&mcde_dev->dev, "%s exit\n", __func__);
-
-	return 0;
-}
-
 int mcde_chnl_set_power_mode(struct mcde_chnl_state *chnl,
 				enum mcde_display_power_mode power_mode)
 {