[PATCH] drm/bridge/synopsys: avoid field overflow warning

[Arnd Bergmann]

On Tue, Apr 8, 2025, at 19:51, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd at arndb.de>
>
> clang-16 and earlier complain about what it thinks might be an out of
> range number:
>
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c:348:8: error: call to 
> __compiletime_assert_579 declared with 'error' attribute: FIELD_PREP: 
> value too large for the field
>                      PHY_SYS_RATIO(tmp));
>                      ^
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c:90:27: note: expanded 
> from macro 'PHY_SYS_RATIO'
>  #define PHY_SYS_RATIO(x)                FIELD_PREP(GENMASK(16, 0), x)
>

I still see the same build failure in some other configurations even
with this patch. Please disregard this version, I'll try to come
up with a better one.

       Arnd