Thread (12 messages) 12 messages, 6 authors, 2008-02-21

Re: [Linux-fbdev-devel] [PATCH 1/2] fb: add support for foreign endianness

From: Clemens Koller <hidden>
Date: 2008-02-20 15:44:41
Also in: linux-fbdev, lkml

Possibly related (same subject, not in this thread)

Paul Mackerras schrieb:
Andrew Morton writes:
quoted
Bizarrely, the original author of the patch (Anton) has fallen off the cc. 
Could whoever did that please thwap himself?

Anyway, my head is now officially spinning.  Did anyone actually have a
reason why we shouldn't proceed with Anton's patch?
I was wondering if it would be sufficient to provide alternative
versions of fb_readl, fb_writel etc. that do byte-swapping.  That
would mean that all framebuffers would have to have the same
endianness, but that would suffice for embedded systems such as
Anton's and would end up a lot simpler IMHO.
Yes. At least the affected PowerPC platforms can do byte-swapping on
the fly, so this should be sufficient and without performance
penalty, AFAICS.

Regards,

Clemens
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