diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0030-DSS2-do-bootmem-reserve-for-exclusive-access.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0030-DSS2-do-bootmem-reserve-for-exclusive-access.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0030-DSS2-do-bootmem-reserve-for-exclusive-access.patch b/recipes/linux/linux-omap-pm/dss2/0030-DSS2-do-bootmem-reserve-for-exclusive-access.patch new file mode 100644 index 0000000000..0436458564 --- /dev/null +++ b/recipes/linux/linux-omap-pm/dss2/0030-DSS2-do-bootmem-reserve-for-exclusive-access.patch @@ -0,0 +1,33 @@ +From 18386ebea56159305014c898ffaf034b95bb7ac5 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 030/146] 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"); +-- +1.6.2.4 + |