diff options
| author |   Ben Skeggs <bskeggs@redhat.com> | 2013-11-22 10:52:54 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-01-23 13:38:30 +1000 |
| commit | cef9e99e1e7514ec228ee8a4d667ec3c88007830 (patch) | |
| tree | e1a63af76ce0847c7107fed4b2ee1c096b31351b /drivers/gpu/drm/nouveau/nouveau_bo.c | |
| parent | drm/nouveau/ttm: explicity sync with kernel channel before moving buffer (diff) | |
| download | linux-dev-cef9e99e1e7514ec228ee8a4d667ec3c88007830.tar.xz linux-dev-cef9e99e1e7514ec228ee8a4d667ec3c88007830.zip | |
drm/nouveau/ttm: explicitly wait for bo idle before memcpy buffer move
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 03e9a31cb9ab..488686d490c0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1180,28 +1180,27 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr, goto out; } - /* CPU copy if we have no accelerated method available */ - if (!drm->ttm.move) { - ret = ttm_bo_move_memcpy(bo, evict, no_wait_gpu, new_mem); - goto out; - } - /* Hardware assisted copy. */ - if (new_mem->mem_type == TTM_PL_SYSTEM) - ret = nouveau_bo_move_flipd(bo, evict, intr, - no_wait_gpu, new_mem); - else if (old_mem->mem_type == TTM_PL_SYSTEM) - ret = nouveau_bo_move_flips(bo, evict, intr, - no_wait_gpu, new_mem); - else - ret = nouveau_bo_move_m2mf(bo, evict, intr, - no_wait_gpu, new_mem); - - if (!ret) - goto out; + if (drm->ttm.move) { + if (new_mem->mem_type == TTM_PL_SYSTEM) + ret = nouveau_bo_move_flipd(bo, evict, intr, + no_wait_gpu, new_mem); + else if (old_mem->mem_type == TTM_PL_SYSTEM) + ret = nouveau_bo_move_flips(bo, evict, intr, + no_wait_gpu, new_mem); + else + ret = nouveau_bo_move_m2mf(bo, evict, intr, + no_wait_gpu, new_mem); + if (!ret) + goto out; + } /* Fallback to software copy. */ - ret = ttm_bo_move_memcpy(bo, evict, no_wait_gpu, new_mem); + spin_lock(&bo->bdev->fence_lock); + ret = ttm_bo_wait(bo, true, intr, no_wait_gpu); + spin_unlock(&bo->bdev->fence_lock); + if (ret == 0) + ret = ttm_bo_move_memcpy(bo, evict, no_wait_gpu, new_mem); out: if (nv_device(drm->device)->card_type < NV_50) { |