This patch fixes trashed display of buffers cropped to very small width.
Even if DMA is unstable and causes tearing when changing the burst size,
it is still better than displaying a garbage.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: NDaniel Stone <daniels@collabora.com>
Signed-off-by: NInki Dae <inki.dae@samsung.com>