https://bugs.freedesktop.org/show_bug.cgi?id=53490
--- Comment #9 from Alex Deucher agd5f@yahoo.com 2012-08-15 13:41:52 UTC --- (In reply to comment #8)
Created attachment 65574 [details] [review] evergreen_fix_tile_config_and_remove_unused_variable.patch
That patch is wrong. group size has no relation to burst size. I think what's happening is that increasing group size is causing larger alignment. Does this patch help?
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=...