diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-12-04 12:51:45 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-12-04 13:25:17 +0100 |
| commit | 36cff1cbb89477c839588a7e40fec2a8db7df396 (patch) | |
| tree | 5bb454bb0a09d4e82862ef932137b964b5d63464 /intel | |
| parent | 37ccce5e390a9d757474920f488cafa1cf89854a (diff) | |
intel: limit aperture space to mappable area on gen3
Otherwise we blow up on heavy tiled blitter loads (with giant
pixmaps).
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'intel')
| -rw-r--r-- | intel/intel_bufmgr_gem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index dd58c0c4..0cfeb988 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -2204,6 +2204,14 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size) else bufmgr_gem->gen = 6; + if (IS_GEN3(bufmgr_gem) && bufmgr_gem->gtt_size > 256*1024*1024) { + /* The unmappable part of gtt on gen 3 (i.e. above 256MB) can't + * be used for tiled blits. To simplify the accounting, just + * substract the unmappable part (fixed to 256MB on all known + * gen3 devices) if the kernel advertises it. */ + bufmgr_gem->gtt_size -= 256*1024*1024; + } + gp.value = &tmp; gp.param = I915_PARAM_HAS_EXECBUF2; |