On Wed, Jan 2, 2013 at 5:38 PM, Markus Trippelsdorf <markus at trippelsdorf.de> wrote: > On 2013.01.02 at 17:31 -0500, Jerome Glisse wrote: >> Please affected people can you test if patch : >> http://people.freedesktop.org/~glisse/0003-drm-radeon-fix-dma-copy-on-r6xx-r7xx-evergen-ni-si-g.patch >> >> Fix the issue, you need to make sure you don't have the patch that >> disable dma on r6xx ie that line 977-978 & 1061-1062 in radeon_asic.c >> is : >> .copy = &r600_copy_dma, >> .copy_ring_index = R600_RING_TYPE_DMA_INDEX, > > It fixes the issue for me. Thanks.
The count is actually the count, not count - 1. The real fix seems to be that r6xx requires 2 dw aligned transfers. The attached patch fixes the issue for me. Alex > > -- > Markus -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-drm-radeon-r6xx-fix-DMA-engine-for-ttm-bo-transfers.patch Type: text/x-patch Size: 1110 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20130102/86ebb238/attachment.bin>