From: Dave A. <ai...@li...> - 2008-06-08 01:57:54
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> > Hmm, the radeon_cp_idle() should purge the destination cache (and wait > for it too, including checking the DC_BUSY bit). > At least the r200 driver has a comment in r200SpanRenderStart (including > a dodgy workaround) which sure looks like the same issue to me. We may purge the cache but not wait for the purge to finish... Sounds like some experiments time.. There is also possibly a HOST data cache we need to deal with.. Dave. |