media: qcom: Clean up Kconfig dependencies

Depending on IOMMU_DMA is suspicious, since the low-level DMA ops
internals and MSI helpers is provides are not of interest to general
drivers. In practice it mostly seems to be serving as a dependency on
ARM64 here, so do that properly. The venus driver looks like it won't
actually be useful at runtime without the IOMMU API, so add that too.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/media/platform/qcom/camss/Kconfig | 2 +-
 drivers/media/platform/qcom/venus/Kconfig | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Hi Robin,

On Tue, 16 Aug 2022 at 15:49, Robin Murphy <robin.murphy@arm.com> wrote:
>
> Depending on IOMMU_DMA is suspicious, since the low-level DMA ops
> internals and MSI helpers is provides are not of interest to general
> drivers. In practice it mostly seems to be serving as a dependency on
> ARM64 here, so do that properly. The venus driver looks like it won't
> actually be useful at runtime without the IOMMU API, so add that too.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
>  drivers/media/platform/qcom/camss/Kconfig | 2 +-
>  drivers/media/platform/qcom/venus/Kconfig | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/camss/Kconfig b/drivers/media/platform/qcom/camss/Kconfig
> index 4eda48cb1adf..575f42377c12 100644
> --- a/drivers/media/platform/qcom/camss/Kconfig
> +++ b/drivers/media/platform/qcom/camss/Kconfig
> @@ -2,7 +2,7 @@ config VIDEO_QCOM_CAMSS
>         tristate "Qualcomm V4L2 Camera Subsystem driver"
>         depends on V4L_PLATFORM_DRIVERS
>         depends on VIDEO_DEV
> -       depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
> +       depends on (ARCH_QCOM && ARM64) || COMPILE_TEST
>         select MEDIA_CONTROLLER
>         select VIDEO_V4L2_SUBDEV_API
>         select VIDEOBUF2_DMA_SG
> diff --git a/drivers/media/platform/qcom/venus/Kconfig b/drivers/media/platform/qcom/venus/Kconfig
> index bfd50e8f3421..f04b45720bca 100644
> --- a/drivers/media/platform/qcom/venus/Kconfig
> +++ b/drivers/media/platform/qcom/venus/Kconfig
> @@ -2,7 +2,7 @@ config VIDEO_QCOM_VENUS
>         tristate "Qualcomm Venus V4L2 encoder/decoder driver"
>         depends on V4L_MEM2MEM_DRIVERS
>         depends on VIDEO_DEV && QCOM_SMEM
> -       depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
> +       depends on (ARCH_QCOM && ARM64 && IOMMU_API) || COMPILE_TEST
>         select QCOM_MDT_LOADER if ARCH_QCOM
>         select QCOM_SCM
>         select VIDEOBUF2_DMA_CONTIG
> --
> 2.36.1.dirty
>

Both parts look good to me and build just fine.

Reviewed-by: Robert Foss <robert.foss@linaro.org>