diff options
| author | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-06-13 16:52:54 -0600 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-06-17 08:03:07 -0400 |
| commit | 0e08270a1f01bceae17d32a0d75aad2388bd1ba2 (patch) | |
| tree | 31f17b04f1a459ca5ab26772626c8ece4c54158a /drivers/gpu/drm/msm/msm_rd.c | |
| parent | 816fa34c051492c7f115ad2fd91c9e723d7fc298 (diff) | |
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/msm_rd.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_rd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index 0e81faab2c50..0366b8092f97 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -268,7 +268,7 @@ static void snapshot_buf(struct msm_rd_state *rd, struct msm_gem_object *obj = submit->bos[idx].obj; const char *buf; - buf = msm_gem_get_vaddr_locked(&obj->base); + buf = msm_gem_get_vaddr(&obj->base); if (IS_ERR(buf)) return; @@ -283,7 +283,7 @@ static void snapshot_buf(struct msm_rd_state *rd, (uint32_t[3]){ iova, size, iova >> 32 }, 12); rd_write_section(rd, RD_BUFFER_CONTENTS, buf, size); - msm_gem_put_vaddr_locked(&obj->base); + msm_gem_put_vaddr(&obj->base); } /* called under struct_mutex */ |