1 files changed, 27 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/03-enable-overlay-opt.diff b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/03-enable-overlay-opt.diff
new file mode 100644
index 0000000000..9fa749f5fc
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/03-enable-overlay-opt.diff
@@ -0,0 +1,27 @@
+From: Mans Rullgard <mans@mansr.com>
+Date: Sun, 6 Jul 2008 13:15:36 +0000 (+0100)
+Subject: omapfb: enable overlay optimisation when possible
+X-Git-Tag: beagle-5~1
+X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=a63ac3abdf6781f863112321260fe7a5da757802
+
+omapfb: enable overlay optimisation when possible
+---
+
+diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
+index 6aff476..3b36227 100644
+--- a/drivers/video/omap/dispc.c
++++ b/drivers/video/omap/dispc.c
+@@ -582,11 +582,13 @@ static int omap_dispc_enable_plane(int plane, int enable)
+        const u32 at_reg[] = { DISPC_GFX_ATTRIBUTES,
+                                DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES,
+                                DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES };
++       unsigned overlay_opt = plane & !!enable & !dispc.color_key.key_type;
+        if ((unsigned int)plane > dispc.mem_desc.region_cnt)
+                return -EINVAL;
+ 
+        enable_lcd_clocks(1);
+        MOD_REG_FLD(at_reg[plane], 1, enable ? 1 : 0);
++       MOD_REG_FLD(DISPC_CONTROL, 1<<12 | 1<<5, overlay_opt<<12 | 1<<5);
+        enable_lcd_clocks(0);
+ 
+        return 0;