From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 42117] R200 driver performance, UMS, all mesa versions from 7.6
Date: Tue, 25 Oct 2011 15:58:41 +0000
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https://bugs.freedesktop.org/show_bug.cgi?id=42117
--- Comment #10 from Roland Scheidegger 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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