[PATCH v2] drm/format-helper: Make conversion_buf_size() support sub-byte pixel fmts

Javier Martinez Canillas javierm at redhat.com
Thu Mar 16 22:29:59 UTC 2023


Geert Uytterhoeven <geert at linux-m68k.org> writes:

Hello Geert,

[...]

>> +       if (!dst_pitch) {
>> +               bpp = drm_format_info_bpp(dst_fi, 0);
>> +               dst_pitch = DIV_ROUND_UP(drm_rect_width(clip) * bpp, 8);
>
> I know I'm a bit late to the party,  but here's actually a helper for that:
>
>     dst_pitch = drm_format_info_min_pitch(info, 0, drm_rect_width(clip));
>

Nice, I didn't notice this. I'll send a follow-up patch. Thanks!

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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