Pandora Sourcecodes - openembedded.git/blob

   1 From 85848d329ca3a2d6ee6841cdc11cc5951d187931 Mon Sep 17 00:00:00 2001
   2 From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@nokia.com>
   3 Date: Fri, 3 Apr 2009 19:09:20 +0200
   4 Subject: [PATCH 17/69] DSS2: Disable video planes on sync lost error
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=utf-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 When encountering the sync lost error disable the display and all video
  10 planes on the affected manager. Afterwards re-enable the display.
  11
  12 Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
  13 ---
  14  drivers/video/omap2/dss/dispc.c |   50 +++++++++++++++++++++++++++++++++++++++
  15  1 files changed, 50 insertions(+), 0 deletions(-)
  16
  17 diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
  18 index 1bc23f7..41734f3 100644
  19 --- a/drivers/video/omap2/dss/dispc.c
  20 +++ b/drivers/video/omap2/dss/dispc.c
  21 @@ -2518,29 +2518,79 @@ static void dispc_error_worker(struct work_struct *work)
  22         }
  23
  24         if (errors & DISPC_IRQ_SYNC_LOST) {
  25 +               struct omap_overlay_manager *manager = NULL;
  26 +               bool enable = false;
  27 +
  28                 DSSERR("SYNC_LOST, disabling LCD\n");
  29 +
  30                 for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
  31                         struct omap_overlay_manager *mgr;
  32                         mgr = omap_dss_get_overlay_manager(i);
  33
  34                         if (mgr->id == OMAP_DSS_CHANNEL_LCD) {
  35 +                               manager = mgr;
  36 +                               enable = mgr->display->state ==
  37 +                                               OMAP_DSS_DISPLAY_ACTIVE;
  38                                 mgr->display->disable(mgr->display);
  39                                 break;
  40                         }
  41                 }
  42 +
  43 +               if (manager) {
  44 +                       for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
  45 +                               struct omap_overlay *ovl;
  46 +                               ovl = omap_dss_get_overlay(i);
  47 +
  48 +                               if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
  49 +                                       continue;
  50 +
  51 +                               if (ovl->id != 0 && ovl->manager == manager)
  52 +                                       dispc_enable_plane(ovl->id, 0);
  53 +                       }
  54 +
  55 +                       dispc_go(manager->id);
  56 +                       mdelay(50);
  57 +                       if (enable)
  58 +                               manager->display->enable(manager->display);
  59 +               }
  60         }
  61
  62         if (errors & DISPC_IRQ_SYNC_LOST_DIGIT) {
  63 +               struct omap_overlay_manager *manager = NULL;
  64 +               bool enable = false;
  65 +
  66                 DSSERR("SYNC_LOST_DIGIT, disabling TV\n");
  67 +
  68                 for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
  69                         struct omap_overlay_manager *mgr;
  70                         mgr = omap_dss_get_overlay_manager(i);
  71
  72                         if (mgr->id == OMAP_DSS_CHANNEL_DIGIT) {
  73 +                               manager = mgr;
  74 +                               enable = mgr->display->state ==
  75 +                                               OMAP_DSS_DISPLAY_ACTIVE;
  76                                 mgr->display->disable(mgr->display);
  77                                 break;
  78                         }
  79                 }
  80 +
  81 +               if (manager) {
  82 +                       for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
  83 +                               struct omap_overlay *ovl;
  84 +                               ovl = omap_dss_get_overlay(i);
  85 +
  86 +                               if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
  87 +                                       continue;
  88 +
  89 +                               if (ovl->id != 0 && ovl->manager == manager)
  90 +                                       dispc_enable_plane(ovl->id, 0);
  91 +                       }
  92 +
  93 +                       dispc_go(manager->id);
  94 +                       mdelay(50);
  95 +                       if (enable)
  96 +                               manager->display->enable(manager->display);
  97 +               }
  98         }
  99
 100         if (errors & DISPC_IRQ_OCP_ERR) {
 101 --
 102 1.6.2.4
 103