Re: [PATCH v3 12/14] drm/panthor: Allow driver compilation

[Steven Price <steven.price@arm.com>]

On 04/12/2023 17:33, Boris Brezillon wrote:
> Now that all blocks are available, we can add/update Kconfig/Makefile
> files to allow compilation.
> 
> v3:
> - Add a dep on DRM_GPUVM
> - Fix dependencies in Kconfig
> - Expand help text to (hopefully) describe which GPUs are to be
>   supported by this driver and which are for panfrost.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
> Signed-off-by: Steven Price <steven.price@arm.com>
> Acked-by: Steven Price <steven.price@arm.com> # MIT+GPL2 relicensing,Arm
> Acked-by: Grant Likely <grant.likely@linaro.org> # MIT+GPL2 relicensing,Linaro
> Acked-by: Boris Brezillon <boris.brezillon@collabora.com> # MIT+GPL2 relicensing,Collabora

Reviewed-by: Steven Price <steven.price@arm.com>

> ---
>  drivers/gpu/drm/Kconfig          |  2 ++
>  drivers/gpu/drm/Makefile         |  1 +
>  drivers/gpu/drm/panthor/Kconfig  | 23 +++++++++++++++++++++++
>  drivers/gpu/drm/panthor/Makefile | 15 +++++++++++++++
>  4 files changed, 41 insertions(+)
>  create mode 100644 drivers/gpu/drm/panthor/Kconfig
>  create mode 100644 drivers/gpu/drm/panthor/Makefile
> 
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index b7abd436455f..9cc1e56d3eec 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -381,6 +381,8 @@ source "drivers/gpu/drm/lima/Kconfig"
>  
>  source "drivers/gpu/drm/panfrost/Kconfig"
>  
> +source "drivers/gpu/drm/panthor/Kconfig"
> +
>  source "drivers/gpu/drm/aspeed/Kconfig"
>  
>  source "drivers/gpu/drm/mcde/Kconfig"
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index b4cb0835620a..b73abec60bbf 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -190,6 +190,7 @@ obj-$(CONFIG_DRM_XEN) += xen/
>  obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo/
>  obj-$(CONFIG_DRM_LIMA)  += lima/
>  obj-$(CONFIG_DRM_PANFROST) += panfrost/
> +obj-$(CONFIG_DRM_PANTHOR) += panthor/
>  obj-$(CONFIG_DRM_ASPEED_GFX) += aspeed/
>  obj-$(CONFIG_DRM_MCDE) += mcde/
>  obj-$(CONFIG_DRM_TIDSS) += tidss/
> diff --git a/drivers/gpu/drm/panthor/Kconfig b/drivers/gpu/drm/panthor/Kconfig
> new file mode 100644
> index 000000000000..159845e51116
> --- /dev/null
> +++ b/drivers/gpu/drm/panthor/Kconfig
> @@ -0,0 +1,23 @@
> +# SPDX-License-Identifier: GPL-2.0 or MIT
> +
> +config DRM_PANTHOR
> +	tristate "Panthor (DRM support for ARM Mali CSF-based GPUs)"
> +	depends on DRM
> +	depends on ARM || ARM64 || COMPILE_TEST
> +	depends on !GENERIC_ATOMIC64  # for IOMMU_IO_PGTABLE_LPAE
> +	depends on MMU
> +	select DRM_GPUVM
> +	select DRM_EXEC
> +	select DRM_SCHED
> +	select IOMMU_SUPPORT
> +	select IOMMU_IO_PGTABLE_LPAE
> +	select DRM_GEM_SHMEM_HELPER
> +	select PM_DEVFREQ
> +	select DEVFREQ_GOV_SIMPLE_ONDEMAND
> +	help
> +	  DRM driver for ARM Mali CSF-based GPUs.
> +
> +	  This driver is for Mali (or Immortalis) Valhall Gxxx GPUs.
> +
> +	  Note that the Mali-G68 and Mali-G78, while Valhall architecture, will
> +	  be supported with the panfrost driver as they are not CSF GPUs.
> diff --git a/drivers/gpu/drm/panthor/Makefile b/drivers/gpu/drm/panthor/Makefile
> new file mode 100644
> index 000000000000..64193a484879
> --- /dev/null
> +++ b/drivers/gpu/drm/panthor/Makefile
> @@ -0,0 +1,15 @@
> +# SPDX-License-Identifier: GPL-2.0 or MIT
> +
> +panthor-y := \
> +	panthor_devfreq.o \
> +	panthor_device.o \
> +	panthor_drv.o \
> +	panthor_gem.o \
> +	panthor_gpu.o \
> +	panthor_heap.o \
> +	panthor_heap.o \
> +	panthor_fw.o \
> +	panthor_mmu.o \
> +	panthor_sched.o
> +
> +obj-$(CONFIG_DRM_PANTHOR) += panthor.o