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sna/io: Prefer CPU copies on LLC 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-06-28 14:23:29 +01:00
parent 9fc052da5c
commit 3ef966f4c5
1 changed files with 7 additions and 2 deletions
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9
src/sna/sna_io.c
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@ -117,6 +117,8 @@ read_boxes_inplace__cpu(struct kgem *kgem,
if (sigtrap_get())
return false;
DBG(("%s x %d\n", __FUNCTION__, n));
if (bo->tiling == I915_TILING_X) {
do {
memcpy_from_tiled_x(kgem, src, dst, bpp, src_pitch, dst_pitch,
@ -210,10 +212,13 @@ static bool download_inplace(struct kgem *kgem,
if (FORCE_INPLACE)
return FORCE_INPLACE > 0;
if (cpu)
return true;
if (kgem->can_blt_cpu && kgem->max_cpu_size)
return false;
return !__kgem_bo_is_busy(kgem, bo) || cpu;
return !__kgem_bo_is_busy(kgem, bo);
}
void sna_read_boxes(struct sna *sna, PixmapPtr dst, struct kgem_bo *src_bo,
@ -253,7 +258,7 @@ void sna_read_boxes(struct sna *sna, PixmapPtr dst, struct kgem_bo *src_bo,
* this path.
*/
if (download_inplace(kgem, dst, src_bo, box ,nbox)) {
if (download_inplace(kgem, dst, src_bo, box, nbox)) {
fallback:
read_boxes_inplace(kgem, dst, src_bo, box, nbox);
return;