1 files changed, 61 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0029-DSS2-OMAPFB-Set-line_length-correctly-for-YUV-with.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0029-DSS2-OMAPFB-Set-line_length-correctly-for-YUV-with.patch
new file mode 100644
index 0000000000..072978670b
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0029-DSS2-OMAPFB-Set-line_length-correctly-for-YUV-with.patch
@@ -0,0 +1,61 @@
+From a8a37babe4856170f4cba86c425a8f21975d9e9e Mon Sep 17 00:00:00 2001
+From: Tim Yamin <plasm@roo.me.uk>
+Date: Mon, 13 Apr 2009 13:57:42 -0700
+Subject: [PATCH] DSS2: OMAPFB: Set line_length correctly for YUV with VRFB.
+
+Signed-off-by: Tim Yamin <plasm@roo.me.uk>
+---
+ drivers/video/omap2/omapfb/omapfb-main.c |   30 +++++++++++++++++++++++++-----
+ 1 files changed, 25 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
+index 57f5900..cd63740 100644
+--- a/drivers/video/omap2/omapfb/omapfb-main.c
++++ b/drivers/video/omap2/omapfb/omapfb-main.c
+@@ -392,10 +392,19 @@ void set_fb_fix(struct fb_info *fbi)
+        fbi->screen_base = (char __iomem *)omapfb_get_region_vaddr(ofbi);
+ 
+        /* used by mmap in fbmem.c */
+-       if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+-               fix->line_length =
+-                       (OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 3;
+-       else
++       if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
++               switch (var->nonstd) {
++               case OMAPFB_COLOR_YUV422:
++               case OMAPFB_COLOR_YUY422:
++                       fix->line_length =
++                               (OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 2;
++                       break;
++               default:
++                       fix->line_length =
++                               (OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 3;
++                       break;
++               }
++       } else
+                fix->line_length =
+                        (var->xres_virtual * var->bits_per_pixel) >> 3;
+        fix->smem_start = omapfb_get_region_paddr(ofbi);
+@@ -704,7 +713,18 @@ static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+                goto err;
+        }
+ 
+-       screen_width = fix->line_length / (var->bits_per_pixel >> 3);
++       switch (var->nonstd) {
++       case OMAPFB_COLOR_YUV422:
++       case OMAPFB_COLOR_YUY422:
++               if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
++                       screen_width = fix->line_length
++                               / (var->bits_per_pixel >> 2);
++                       break;
++               }
++       default:
++               screen_width = fix->line_length / (var->bits_per_pixel >> 3);
++               break;
++       }
+ 
+        ovl->get_overlay_info(ovl, &info);
+ 
+-- 
+1.5.6.5
+