Without CONFIG_DMA_SHARED_BUFFER we run into a link error for the
dma_buf_* APIs:

ERROR: "dma_buf_map_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] 
undefined!
ERROR: "dma_buf_attach" [drivers/staging/media/tegra-vde/tegra-vde.ko] 
undefined!
ERROR: "dma_buf_get" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_put" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!
ERROR: "dma_buf_detach" [drivers/staging/media/tegra-vde/tegra-vde.ko] 
undefined!
ERROR: "dma_buf_unmap_attachment" 
[drivers/staging/media/tegra-vde/tegra-vde.ko] undefined!

Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/staging/media/tegra-vde/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/tegra-vde/Kconfig 
b/drivers/staging/media/tegra-vde/Kconfig
index ec3ddddebdaa..5c4914674468 100644
--- a/drivers/staging/media/tegra-vde/Kconfig
+++ b/drivers/staging/media/tegra-vde/Kconfig
@@ -1,6 +1,7 @@
 config TEGRA_VDE
        tristate "NVIDIA Tegra Video Decoder Engine driver"
        depends on ARCH_TEGRA || COMPILE_TEST
+       select DMA_SHARED_BUFFER
        select SRAM
        help
            Say Y here to enable support for the NVIDIA Tegra video decoder
-- 
2.9.0

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