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From 85848d329ca3a2d6ee6841cdc11cc5951d187931 Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@nokia.com>
Date: Fri, 3 Apr 2009 19:09:20 +0200
Subject: [PATCH] DSS2: Disable video planes on sync lost error
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
When encountering the sync lost error disable the display and all video
planes on the affected manager. Afterwards re-enable the display.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
---
drivers/video/omap2/dss/dispc.c | 50 +++++++++++++++++++++++++++++++++++++++
1 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 1bc23f7..41734f3 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -2518,29 +2518,79 @@ static void dispc_error_worker(struct work_struct *work)
}
if (errors & DISPC_IRQ_SYNC_LOST) {
+ struct omap_overlay_manager *manager = NULL;
+ bool enable = false;
+
DSSERR("SYNC_LOST, disabling LCD\n");
+
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
struct omap_overlay_manager *mgr;
mgr = omap_dss_get_overlay_manager(i);
if (mgr->id == OMAP_DSS_CHANNEL_LCD) {
+ manager = mgr;
+ enable = mgr->display->state ==
+ OMAP_DSS_DISPLAY_ACTIVE;
mgr->display->disable(mgr->display);
break;
}
}
+
+ if (manager) {
+ for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+ struct omap_overlay *ovl;
+ ovl = omap_dss_get_overlay(i);
+
+ if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
+ continue;
+
+ if (ovl->id != 0 && ovl->manager == manager)
+ dispc_enable_plane(ovl->id, 0);
+ }
+
+ dispc_go(manager->id);
+ mdelay(50);
+ if (enable)
+ manager->display->enable(manager->display);
+ }
}
if (errors & DISPC_IRQ_SYNC_LOST_DIGIT) {
+ struct omap_overlay_manager *manager = NULL;
+ bool enable = false;
+
DSSERR("SYNC_LOST_DIGIT, disabling TV\n");
+
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
struct omap_overlay_manager *mgr;
mgr = omap_dss_get_overlay_manager(i);
if (mgr->id == OMAP_DSS_CHANNEL_DIGIT) {
+ manager = mgr;
+ enable = mgr->display->state ==
+ OMAP_DSS_DISPLAY_ACTIVE;
mgr->display->disable(mgr->display);
break;
}
}
+
+ if (manager) {
+ for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+ struct omap_overlay *ovl;
+ ovl = omap_dss_get_overlay(i);
+
+ if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
+ continue;
+
+ if (ovl->id != 0 && ovl->manager == manager)
+ dispc_enable_plane(ovl->id, 0);
+ }
+
+ dispc_go(manager->id);
+ mdelay(50);
+ if (enable)
+ manager->display->enable(manager->display);
+ }
}
if (errors & DISPC_IRQ_OCP_ERR) {
--
1.5.6.5
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