better version of patch that shows the crux of the matter (as suggested by Alexander Monakov on #intel-gfx)
patch-tiling-v2 (text/plain), 478 bytes, created by Vedran Rodic on 2013-05-04 13:11:52 UTC
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Creator: Vedran Rodic
Created: 2013-05-04 13:11:52 UTC
Size: 478 bytes
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Attachments on bug 64213: 78841 | 78842

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