Comment # 6
on bug 83500
from Grigori Goronzy
The tiling parameters don't look bogus and they certainly aren't zero. In the dumped IB there's mt = 1, num_banks = 3, tile_split = 3 in DW 7. Looking at DW 3, there is array_mode = 2, bankw = 0, bankh = 0, mtilea = 0. That might as well be completely wrong for the given surface, but it's not bogus in the sense that the values are invalid. At first I thought bankw/bankh/mtilea being all set to zero was strange, but this seems to match how libdrm sets up 1D tiled surfaces. For reference, this is the IB we're talking about: http://pastebin.com/jFWk9bU5
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