[PATCH] apple_m1_defconfig: Bump CONFIG_LMB_MAX_REGIONS to 64

[Tom Rini]

On Mon, Mar 13, 2023 at 03:31:32PM +0100, Mark Kettenis wrote:
> > From: Janne Grunau <j at jannau.net>
> > Date: Mon, 13 Mar 2023 14:54:32 +0100
> > 
> > Apple silicon SoCs have numerous embedded co-processors with pre-loaded
> > firmware. The co-processors text and data sections need to be mapped via
> > DART iommus controlled by the main processor. Those sections are
> > exported as reserved-memory. Bump CONFIG_LMB_MAX_REGIONS from 8 to 64 to
> > deal with the large amount of reserved-memory regions.
> 
> We recently bumped the default for CONFIG_LMB_MAX_REGIONS from 8 to
> 16, but 64 would be a safer value for this platform as there are more
> co-processor drivers in the pipeline that may add reserved-memory
> regions.  These machines have plenty of memory.
> 
> > Signed-off-by: Janne Grunau <j at jannau.net>
> 
> Reviewed-by: Mark Kettenis <kettenis at openbsd.org>

Does this mean it's a fix we need for v2023.04, or v2023.07 is OK?

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 659 bytes
Desc: not available
URL: <https://lists.denx.de/pipermail/u-boot/attachments/20230317/852ea809/attachment.sig>