[Bug 42117] R200 driver performance, UMS, all mesa versions from 7.6

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42117

--- Comment #10 from Roland Scheidegger <sroland at vmware.com> 2011-10-25 08:58:41 PDT ---
So the fallback must come from r200ValidateState() - which in turn means
r200ValidateBuffers() and that means radeon_cs_space_check_with_bo() is
failing.
So seems like validation fails because it's either over the vram or gart limit.
Not sure the calculation there is really fully correct for non-kms, but you
could check the limit values used for these (radeonScreen->gartTextures.size
and radeonScreen->texSize[0], should be the same as csm->gart_limit and
csm->vram_limit in radeon_cs_do_space_check()) - both values actually come from
the ddx. Maybe your gart setting is too low.

As Alex said though we should fix tiling for the kms case.

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