ARM: mach-shmobile: mackerel: Reserve DMA memory for the frame buffer
The default 2MB size of DMA coherent memory isn't enough for allocate
frame buffer memory.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index a281324..7b53cda 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -1352,6 +1352,10 @@
static void __init mackerel_map_io(void)
{
iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
+ /* DMA memory at 0xff200000 - 0xffdfffff. The default 2MB size isn't
+ * enough to allocate the frame buffer memory.
+ */
+ init_consistent_dma_size(12 << 20);
/* setup early devices and console here as well */
sh7372_add_early_devices();