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From 19a31ba4e8408ce80a4dbb96af489304c5e8128f Mon Sep 17 00:00:00 2001
From: Tim Yamin <plasm@roo.me.uk>
Date: Fri, 22 May 2009 18:58:33 -0700
Subject: [PATCH] Fix scaling checks when rotation is 90 or 270 degrees.
---
drivers/video/omap2/dss/dispc.c | 25 +++++++++++++++++++------
1 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 088d353..77ca81b 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1508,16 +1508,29 @@ static int _dispc_setup_plane(enum omap_plane plane,
}
} else {
/* video plane */
-
+ u8 error = 0;
unsigned long fclk = 0;
- if (out_width < width / maxdownscale ||
- out_width > width * 8)
- return -EINVAL;
+ if(rotation == 1 || rotation == 3)
+ {
+ if (out_width < height / maxdownscale || out_width > height * 8)
+ error = 1;
+
+ if (out_height < width / maxdownscale || out_height > width * 8)
+ error = 1;
+ } else {
+ if (out_width < width / maxdownscale || out_width > width * 8)
+ error = 1;
- if (out_height < height / maxdownscale ||
- out_height > height * 8)
+ if (out_height < height / maxdownscale || out_height > height * 8)
+ error = 1;
+ }
+
+ if(error != 0)
+ {
+ printk("DSS: Unable to down/up scale video plane\n");
return -EINVAL;
+ }
switch (color_mode) {
case OMAP_DSS_COLOR_RGB16:
--
1.5.6.3
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