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). 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
