[Bug 60802] Corruption with DMA ring on cayman

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60802

Alex Deucher <agd5f at yahoo.com> changed:

           What    |Removed                     |Added
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  Attachment #76590|0                           |1
        is obsolete|                            |

--- Comment #63 from Alex Deucher <agd5f at yahoo.com> ---
Created attachment 76592
  --> https://bugs.freedesktop.org/attachment.cgi?id=76592&action=edit
take 5

After further investigation this seems to be an alignment issue with large
block sizes on the DMA engine on cayman.  For now just use the blitter for
large block sizes.

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