在 2026-02-26四的 12:00 +0100,Geert Uytterhoeven写道:
> Currently, the Verisilicon DC-series display controller driver
> supports
> only the DC8200 variant in the T-HEAD TH1520 SoC.  Hence restrict the
> dependency on RISCV to ARCH_THEAD, to prevent asking the user about
> this
> driver when configuring a kernel without T-HEAD platform support.
> 
> The dependency can be relaxed later, when adding support for
> appropriate
> SoCs from other vendors.

Michal Wilczynski has verified that this driver will work on StarFive
JH7110 with some extra glue drivers (but without modification to this
driver itself). [1]

Although this can be considered as future work and changing to
ARCH_THEAD seems okay now.

(BTW the hardware identification values is taken from the vendor driver
and it should support different variants of DC8200)

Thanks
Icenowy

[1]
https://lists.freedesktop.org/archives/dri-devel/2025-November/535442.html

> 
> Fixes: dbf21777caa8b8c8 ("drm: verisilicon: add a driver for
> Verisilicon display controllers")
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> ---
>  drivers/gpu/drm/verisilicon/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/verisilicon/Kconfig
> b/drivers/gpu/drm/verisilicon/Kconfig
> index 7cce86ec8603c596..f2edde9e0037ebcd 100644
> --- a/drivers/gpu/drm/verisilicon/Kconfig
> +++ b/drivers/gpu/drm/verisilicon/Kconfig
> @@ -2,7 +2,7 @@
>  config DRM_VERISILICON_DC
>       tristate "DRM Support for Verisilicon DC-series display
> controllers"
>       depends on DRM && COMMON_CLK
> -     depends on RISCV || COMPILE_TEST
> +     depends on ARCH_THEAD || COMPILE_TEST
>       select DRM_BRIDGE_CONNECTOR
>       select DRM_CLIENT_SELECTION
>       select DRM_DISPLAY_HELPER

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