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sna: Avoid reads from a GTT mmapped upload buffer

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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;