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path: root/drivers/video/omap2/dss/manager.c
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Diffstat (limited to 'drivers/video/omap2/dss/manager.c')
-rw-r--r--drivers/video/omap2/dss/manager.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 0820986d4a68..9e1fbe531bf0 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -843,6 +843,7 @@ static void configure_manager(enum omap_channel channel)
c = &dss_cache.manager_cache[channel];
+ dispc_set_default_color(channel, c->default_color);
dispc_set_trans_key(channel, c->trans_key_type, c->trans_key);
dispc_enable_trans_key(channel, c->trans_enabled);
dispc_enable_alpha_blending(channel, c->alpha_enabled);
@@ -940,6 +941,22 @@ static int configure_dispc(void)
return r;
}
+/* Make the coordinates even. There are some strange problems with OMAP and
+ * partial DSI update when the update widths are odd. */
+static void make_even(u16 *x, u16 *w)
+{
+ u16 x1, x2;
+
+ x1 = *x;
+ x2 = *x + *w;
+
+ x1 &= ~1;
+ x2 = ALIGN(x2, 2);
+
+ *x = x1;
+ *w = x2 - x1;
+}
+
/* Configure dispc for partial update. Return possibly modified update
* area */
void dss_setup_partial_planes(struct omap_dss_device *dssdev,
@@ -968,6 +985,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
return;
}
+ make_even(&x, &w);
+
spin_lock_irqsave(&dss_cache.lock, flags);
/* We need to show the whole overlay if it is scaled. So look for
@@ -1029,6 +1048,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
w = x2 - x1;
h = y2 - y1;
+ make_even(&x, &w);
+
DSSDBG("changing upd area due to ovl(%d) scaling %d,%d %dx%d\n",
i, x, y, w, h);
}