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SubjectRe: [PATCH v5 08/24] amdkfd: Add amdkfd skeleton driver
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On Sat, 2014-11-08 at 20:37 +0200, Oded Gabbay wrote:
> This patch adds the amdkfd skeleton driver. The driver does nothing except
> define a /dev/kfd device.
>
> It returns -ENODEV on all amdkfd IOCTLs.
>
> v3: Move bool field to the end of structure, removed the pmc ioctls and added
> a meaningful error message for ioctl error.
>
> v5:
>
> Create a new folder drm/amd and move amdkfd from drm/radeon/ to drm/amd/
> Remove scheduler_class from kfd_priv.h as it was never used
> Add skeleton implementation of the Get Version IOCTL
>
> Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>

It seems v6 of this patch is included in today's linux-next (ie,
next-20141121).

> drivers/gpu/drm/Kconfig | 2 +
> drivers/gpu/drm/Makefile | 1 +
> drivers/gpu/drm/amd/amdkfd/Kconfig | 10 ++
> drivers/gpu/drm/amd/amdkfd/Makefile | 9 ++
> drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 210 +++++++++++++++++++++++++++++++
> drivers/gpu/drm/amd/amdkfd/kfd_device.c | 130 +++++++++++++++++++
> drivers/gpu/drm/amd/amdkfd/kfd_module.c | 101 +++++++++++++++
> drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 81 ++++++++++++
> 8 files changed, 544 insertions(+)
> [...]
> diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig
> new file mode 100644
> index 0000000..a2ae6d4
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig
> @@ -0,0 +1,10 @@
> +#
> +# Heterogenous system architecture configuration
> +#
> +
> +config HSA_AMD
> + tristate "HSA kernel driver for AMD GPU devices"
> + depends on (DRM_RADEON || DRM_AMDGPU) && AMD_IOMMU_V2 && X86_64

There's currently no Kconfig symbol DRM_AMDGPU (nor anything similar).
Will that symbol be added in a future patch?

> + default m
> + help
> + Enable this if you want to use HSA features on AMD GPU devices.


Paul Bolle



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