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SubjectRe: [PATCH] gpu: host1x: select CONFIG_SYNC_FILE
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Hi Arnd,

I think the best fix for this is to just remove that function -- it is
currently not used anywhere. I posted a patch to do that, but Thierry is
currently on vacation so it hasn't been picked up yet.

thanks,
Mikko

On 7/23/21 12:14 PM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> With the addition of the DMA fence, the host1x driver now fails to
> build without the sync_file helper:
>
> arm-linux-gnueabi-ld: drivers/gpu/host1x/fence.o: in function `host1x_fence_create_fd':
> fence.c:(.text+0x624): undefined reference to `sync_file_create'
>
> Fixes: ad0529424def ("gpu: host1x: Add DMA fence implementation")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/gpu/host1x/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
> index 6dab94adf25e..6f7ea1720a39 100644
> --- a/drivers/gpu/host1x/Kconfig
> +++ b/drivers/gpu/host1x/Kconfig
> @@ -3,6 +3,7 @@ config TEGRA_HOST1X
> tristate "NVIDIA Tegra host1x driver"
> depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
> select IOMMU_IOVA
> + select SYNC_FILE
> help
> Driver for the NVIDIA Tegra host1x hardware.
>
>

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