1 files changed, 53 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0050-DSS2-OMAPFB-remove-fb-clearing-code.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0050-DSS2-OMAPFB-remove-fb-clearing-code.patch
new file mode 100644
index 0000000000..8c5edd0c3d
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0050-DSS2-OMAPFB-remove-fb-clearing-code.patch
@@ -0,0 +1,53 @@
+From 07482193cccdfe9ede1f47d72790dfbe54343505 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Wed, 22 Apr 2009 10:26:06 +0300
+Subject: [PATCH] DSS2: OMAPFB: remove fb clearing code
+
+VRAM manager does the clearing now when the area is allocated.
+---
+ drivers/video/omap2/omapfb/omapfb-main.c |    8 --------
+ 1 files changed, 0 insertions(+), 8 deletions(-)
+
+diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
+index cd63740..76e7c6c 100644
+--- a/drivers/video/omap2/omapfb/omapfb-main.c
++++ b/drivers/video/omap2/omapfb/omapfb-main.c
+@@ -1174,7 +1174,6 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
+        struct omapfb2_mem_region *rg;
+        void __iomem *vaddr;
+        int r;
+-       int clear = 0;
+ 
+        rg = &ofbi->region;
+        memset(rg, 0, sizeof(*rg));
+@@ -1184,7 +1183,6 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
+        if (!paddr) {
+                DBG("allocating %lu bytes for fb %d\n", size, ofbi->id);
+                r = omap_vram_alloc(OMAPFB_MEMTYPE_SDRAM, size, &paddr);
+-               clear = 1;
+        } else {
+                DBG("reserving %lu bytes at %lx for fb %d\n", size, paddr,
+                                ofbi->id);
+@@ -1206,9 +1204,6 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
+                }
+ 
+                DBG("allocated VRAM paddr %lx, vaddr %p\n", paddr, vaddr);
+-
+-               if (clear)
+-                       memset_io(vaddr, 0, size);
+        } else {
+                void __iomem *va;
+ 
+@@ -1232,9 +1227,6 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
+                rg->vrfb.vaddr[0] = va;
+ 
+                vaddr = NULL;
+-
+-               if (clear)
+-                       memset_io(va, 0, size);
+        }
+ 
+        rg->paddr = paddr;
+-- 
+1.5.6.5
+