Re: [PATCH v4] sm501: Fix and optimize overlap check

[Peter Maydell]

On Wed, 24 Jun 2020 at 17:47, BALATON Zoltan <balaton@eik.bme.hu> wrote:
>
> When doing reverse blit we need to check if source and dest overlap
> but it is not trivial due to possible different base and pitch of
> source and dest. Do rectangle overlap if base and pitch match,
> otherwise just check if memory area containing the rects overlaps so
> rects could possibly overlap.
>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---
> This version fixes overlap check according to Peter's suggestion, only
> resending this patch as v4, others still valid from v3. Let me know if
> you want the whole series resent instead.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM