Re: [PATCH v5 8/8] drm/imagination: Enable PowerVR driver for RISC-V

[Bartosz Golaszewski]

On Wed, Jun 18, 2025 at 12:22 PM Michal Wilczynski
<m.wilczynski@xxxxxxxxxxx> wrote:
>
> Several RISC-V boards feature Imagination GPUs that are compatible with
> the PowerVR driver. An example is the IMG BXM-4-64 GPU on the Lichee Pi
> 4A board. This commit adjusts the driver's Kconfig dependencies to allow
> the PowerVR driver to be compiled on the RISC-V architecture.
>
> By enabling compilation on RISC-V, we expand support for these GPUs,
> providing graphics acceleration capabilities and enhancing hardware
> compatibility on RISC-V platforms.
>
> Add a dependency on MMU to fix a build warning on RISC-V configurations
> without an MMU and enable COMPILE_TEST to improve build coverage.
>
> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> Signed-off-by: Michal Wilczynski <m.wilczynski@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/imagination/Kconfig | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/imagination/Kconfig b/drivers/gpu/drm/imagination/Kconfig
> index 5f9fff43d6baadc42ebf48d91729bfbf27e06caa..48fd31c031628c70b1e0952271baccf7f4694810 100644
> --- a/drivers/gpu/drm/imagination/Kconfig
> +++ b/drivers/gpu/drm/imagination/Kconfig
> @@ -3,9 +3,10 @@
>
>  config DRM_POWERVR
>         tristate "Imagination Technologies PowerVR (Series 6 and later) & IMG Graphics"
> -       depends on ARM64
> +       depends on (ARM64 || RISCV) || COMPILE_TEST

Some maintainers could say that the COMPILE_TEST bit should be a
separate commit but it's typically fine with me.

>         depends on DRM
>         depends on PM
> +       depends on MMU
>         select DRM_EXEC
>         select DRM_GEM_SHMEM_HELPER
>         select DRM_SCHED
>
> --
> 2.34.1
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>