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sna: Avoid reads from a GTT mmapped upload buffer 

We now allow LLC machines to also use GTT upload buffers, so we need to
be cache when scanning the cache to look for suitable buffers.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-09-28 10:13:25 +01:00
parent 5a5f9b2812
commit 2c67e9da5f
1 changed files with 1 additions and 1 deletions
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2
src/sna/kgem.c
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@ -5658,7 +5658,7 @@ struct kgem_bo *kgem_create_buffer(struct kgem *kgem,
assert(bo->mmapped);
assert(bo->mmapped == MMAPPED_GTT || kgem->has_llc || bo->base.snoop);
if (!kgem->has_llc && (bo->write & ~flags) & KGEM_BUFFER_INPLACE) {
if ((bo->write & ~flags) & KGEM_BUFFER_INPLACE && !bo->base.snoop) {
DBG(("%s: skip write %x buffer, need %x\n",
__FUNCTION__, bo->write, flags));
continue;