From: Dmitry Osipenko <digetx@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Hans Verkuil <hans.verkuil@cisco.com>,
linux-media@vger.kernel.org, linux-tegra@vger.kernel.org,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: staging: tegra-vde: select DMA_SHARED_BUFFER
Date: Fri, 5 Jan 2018 15:03:56 +0300 [thread overview]
Message-ID: <481fe121-8937-81a5-40d5-d8fe8a0036dd@gmail.com> (raw)
In-Reply-To: <20180105094343.2813148-1-arnd@arndb.de>
On 05.01.2018 12:43, Arnd Bergmann wrote:
> 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 <arnd@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
>
Thanks!
Acked-by: Dmitry Osipenko <digetx@gmail.com>
prev parent reply other threads:[~2018-01-05 12:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-05 9:43 Arnd Bergmann
2018-01-05 12:03 ` Dmitry Osipenko [this message]
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