diff options
| author | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-06-14 01:52:54 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-06-17 15:03:07 +0300 |
| commit | 0e08270a1f01bceae17d32a0d75aad2388bd1ba2 (patch) | |
| tree | 31f17b04f1a459ca5ab26772626c8ece4c54158a /drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c | |
| parent | 816fa34c051492c7f115ad2fd91c9e723d7fc298 (diff) | |
| download | linux-0e08270a1f01bceae17d32a0d75aad2388bd1ba2.tar.xz | |
drm/msm: Separate locking of buffer resources from struct_mutex
Buffer object specific resources like pages, domains, sg list
need not be protected with struct_mutex. They can be protected
with a buffer object level lock. This simplifies locking and
makes it easier to avoid potential recursive locking scenarios
for SVM involving mmap_sem and struct_mutex. This also removes
unnecessary serialization when creating buffer objects, and also
between buffer object creation and GPU command submission.
Signed-off-by: Sushmita Susheelendra <ssusheel@codeaurora.org>
[robclark: squash in handling new locking for shrinker]
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index 59153a4ebd18..615e1def64d9 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -374,7 +374,7 @@ static void update_cursor(struct drm_crtc *crtc) if (next_bo) { /* take a obj ref + iova ref when we start scanning out: */ drm_gem_object_reference(next_bo); - msm_gem_get_iova_locked(next_bo, kms->aspace, &iova); + msm_gem_get_iova(next_bo, kms->aspace, &iova); /* enable cursor: */ mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_SIZE(dma), |