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From 63e15ba8d5f95b13d3abf359da718537d769f112 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Tue, 7 Apr 2009 10:01:58 +0300
Subject: [PATCH] DSS2: check for ovl paddr only when enabling
It seems Xvideo uses SETUP_PLANE ioctl even when
the fb memory has not been allocated. Sigh.
---
drivers/video/omap2/dss/overlay.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 9209acf..c047206 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -281,6 +281,11 @@ int dss_check_overlay(struct omap_overlay *ovl, struct omap_display *display)
info = &ovl->info;
+ if (info->paddr == 0) {
+ DSSDBG("check_overlay failed: paddr 0\n");
+ return -EINVAL;
+ }
+
display->get_resolution(display, &dw, &dh);
DSSDBG("check_overlay %d: (%d,%d %dx%d -> %dx%d) disp (%dx%d)\n",
@@ -331,9 +336,6 @@ static int dss_ovl_set_overlay_info(struct omap_overlay *ovl,
int r;
struct omap_overlay_info old_info;
- if (info->paddr == 0)
- return -EINVAL;
-
old_info = ovl->info;
ovl->info = *info;
--
1.5.6.5
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