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| author | Rob Clark <robdclark@gmail.com> | 2017-06-13 18:07:08 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-06-16 18:16:04 +0300 |
| commit | 8bdcd949bbe7e7f9e60a3564baa600884f8f4ba7 (patch) | |
| tree | 3533095936dfa62a37977c8b9a877443fced303e /drivers/gpu/drm/msm/msm_gem.c | |
| parent | f59f62d592a0553bbff6c5b2ba66036becb01c4a (diff) | |
| download | linux-8bdcd949bbe7e7f9e60a3564baa600884f8f4ba7.tar.xz | |
drm/msm: pass address-space to _get_iova() and friends
No functional change, that will come later. But this will make it
easier to deal with dynamically created address spaces (ie. per-
process pagetables for gpu).
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 38fbaadccfb7..0a38c5b1a799 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -308,10 +308,11 @@ put_iova(struct drm_gem_object *obj) * That means when I do eventually need to add support for unpinning * the refcnt counter needs to be atomic_t. */ -int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, - uint64_t *iova) +int msm_gem_get_iova_locked(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace, uint64_t *iova) { struct msm_gem_object *msm_obj = to_msm_bo(obj); + int id = aspace ? aspace->id : 0; int ret = 0; WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); @@ -338,9 +339,11 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, } /* get iova, taking a reference. Should have a matching put */ -int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint64_t *iova) +int msm_gem_get_iova(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace, uint64_t *iova) { struct msm_gem_object *msm_obj = to_msm_bo(obj); + int id = aspace ? aspace->id : 0; int ret; /* this is safe right now because we don't unmap until the @@ -353,7 +356,7 @@ int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint64_t *iova) } mutex_lock(&obj->dev->struct_mutex); - ret = msm_gem_get_iova_locked(obj, id, iova); + ret = msm_gem_get_iova_locked(obj, aspace, iova); mutex_unlock(&obj->dev->struct_mutex); return ret; } @@ -361,14 +364,17 @@ int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint64_t *iova) /* get iova without taking a reference, used in places where you have * already done a 'msm_gem_get_iova()'. */ -uint64_t msm_gem_iova(struct drm_gem_object *obj, int id) +uint64_t msm_gem_iova(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace) { struct msm_gem_object *msm_obj = to_msm_bo(obj); + int id = aspace ? aspace->id : 0; WARN_ON(!msm_obj->domain[id].iova); return msm_obj->domain[id].iova; } -void msm_gem_put_iova(struct drm_gem_object *obj, int id) +void msm_gem_put_iova(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace) { // XXX TODO .. // NOTE: probably don't need a _locked() version.. we wouldn't |