diff options
author | Dave Airlie | 2014-03-13 17:31:24 +1000 |
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committer | Dave Airlie | 2014-03-13 17:31:24 +1000 |
commit | f042cc4a607d675452134884c26e8d0d395dd979 (patch) | |
tree | 5d7bbeb142abbb106a6396b8b31f670ff160654f /drivers/gpu/drm/ttm/ttm_bo.c | |
parent | bf21d605bf7d18d2b3cdb1c19fc1b2a1549c1f11 (diff) | |
parent | 9ef7506f7eff3fc42724269f62e30164c141661f (diff) |
Merge tag 'ttm-fixes-3.14-2014-03-12' of git://people.freedesktop.org/~thomash/linux into drm-fixes
Second pull request of 2014-03-12. The first one was requested to be canceled.
Rob's fix for oops on invalidate_caches() and a fix for a
performance regression.
* tag 'ttm-fixes-3.14-2014-03-12' of git://people.freedesktop.org/~thomash/linux:
drm/ttm: don't oops if no invalidate_caches()
drm/ttm: Work around performance regression with VM_PFNMAP
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a06651309388..214b7992a3aa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -351,9 +351,11 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, moved: if (bo->evicted) { - ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement); - if (ret) - pr_err("Can not flush read caches\n"); + if (bdev->driver->invalidate_caches) { + ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement); + if (ret) + pr_err("Can not flush read caches\n"); + } bo->evicted = false; } |