1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch
new file mode 100644
index 0000000000..ae777ed04e
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch
@@ -0,0 +1,33 @@
+From 30c40f5e6b1794430f678bf23d3319354321cab7 Mon Sep 17 00:00:00 2001
+From: Imre Deak <imre.deak@nokia.com>
+Date: Tue, 14 Apr 2009 14:50:11 +0200
+Subject: [PATCH] DSS2: do bootmem reserve for exclusive access
+
+BOOTMEM_DEFAULT would allow multiple reservations for the same location,
+we need to reserve the region for our exclusive use. Also check if the
+reserve succeeded.
+
+Signed-off-by: Imre Deak <imre.deak@nokia.com>
+---
+ arch/arm/plat-omap/vram.c |    5 ++++-
+ 1 files changed, 4 insertions(+), 1 deletions(-)
+
+diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c
+index f24a110..520f260 100644
+--- a/arch/arm/plat-omap/vram.c
++++ b/arch/arm/plat-omap/vram.c
+@@ -524,7 +524,10 @@ void __init omapfb_reserve_sdram(void)
+                        return;
+                }
+ 
+-               reserve_bootmem(paddr, size, BOOTMEM_DEFAULT);
++               if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) {
++                       pr_err("FB: failed to reserve VRAM\n");
++                       return;
++               }
+        } else {
+                if (size > sdram_size) {
+                        printk(KERN_ERR "Illegal SDRAM size for VRAM\n");
+-- 
+1.5.6.5
+