2010/2/15 Michel Dänzer <[email protected]>: > On Mon, 2010-02-15 at 13:40 +0200, Pauli Nieminen wrote: >> KMS doesn't have acceleration for upload to vram. memcpy/memmove to VRAM >> directly is very slow (40M/s in benchmark) which causes visible problems >> to video. >> >> Allocating video buffer in GTT will give good performance (350-450M/s) >> for memmove operation. This is nice performance boost for Xv under KMS. >> >> Signed-off-by: Pauli Nieminen <[email protected]> > > I've pushed this patch (with a followup change to allocate the 'video > offscreen' and 'TV-in' BOs in VRAM) and the memcpy patch (with > whitespace fixed up - please be more careful wrt this in the future). >
We don't support TV-in or the overlay with KMS, so they should be fine either way. Alex > Thanks! > > > -- > Earthling Michel Dänzer | http://www.vmware.com > Libre software enthusiast | Debian, X and DRI developer > _______________________________________________ > xorg-driver-ati mailing list > [email protected] > http://lists.x.org/mailman/listinfo/xorg-driver-ati > _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
