1 files changed, 65 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0012-DSS2-Fix-DMA-rotation.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0012-DSS2-Fix-DMA-rotation.patch
new file mode 100644
index 0000000000..22add6efd2
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0012-DSS2-Fix-DMA-rotation.patch
@@ -0,0 +1,65 @@
+From 9c93bcab724b5935d745604773ed43825efefd87 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Thu, 2 Apr 2009 13:47:11 +0300
+Subject: [PATCH] DSS2: Fix DMA rotation
+
+u16 was not a good type for offsets. First, they need to be signed,
+and second, 16 bits is not enough.
+---
+ drivers/video/omap2/dss/dispc.c |   12 ++++++------
+ 1 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
+index ffb5648..6cea545 100644
+--- a/drivers/video/omap2/dss/dispc.c
++++ b/drivers/video/omap2/dss/dispc.c
+@@ -778,7 +778,7 @@ static void _dispc_set_vid_size(enum omap_plane plane, int width, int height)
+        dispc_write_reg(vsi_reg[plane-1], val);
+ }
+ 
+-static void _dispc_set_pix_inc(enum omap_plane plane, u16 inc)
++static void _dispc_set_pix_inc(enum omap_plane plane, s32 inc)
+ {
+        const struct dispc_reg ri_reg[] = { DISPC_GFX_PIXEL_INC,
+                                     DISPC_VID_PIXEL_INC(0),
+@@ -787,7 +787,7 @@ static void _dispc_set_pix_inc(enum omap_plane plane, u16 inc)
+        dispc_write_reg(ri_reg[plane], inc);
+ }
+ 
+-static void _dispc_set_row_inc(enum omap_plane plane, u16 inc)
++static void _dispc_set_row_inc(enum omap_plane plane, s32 inc)
+ {
+        const struct dispc_reg ri_reg[] = { DISPC_GFX_ROW_INC,
+                                     DISPC_VID_ROW_INC(0),
+@@ -1123,7 +1123,7 @@ static void _dispc_set_rotation_attrs(enum omap_plane plane, u8 rotation,
+        }
+ }
+ 
+-static int pixinc(int pixels, u8 ps)
++static s32 pixinc(int pixels, u8 ps)
+ {
+        if (pixels == 1)
+                return 1;
+@@ -1140,7 +1140,7 @@ static void calc_rotation_offset(u8 rotation, bool mirror,
+                u16 width, u16 height,
+                enum omap_color_mode color_mode, bool fieldmode,
+                unsigned *offset0, unsigned *offset1,
+-               u16 *row_inc, u16 *pix_inc)
++               s32 *row_inc, s32 *pix_inc)
+ {
+        u8 ps;
+        u16 fbw, fbh;
+@@ -1298,8 +1298,8 @@ static int _dispc_setup_plane(enum omap_plane plane,
+        bool fieldmode = 0;
+        int cconv = 0;
+        unsigned offset0, offset1;
+-       u16 row_inc;
+-       u16 pix_inc;
++       s32 row_inc;
++       s32 pix_inc;
+ 
+        if (plane == OMAP_DSS_GFX) {
+                if (width != out_width || height != out_height)
+-- 
+1.5.6.5
+