diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 5a6a79fbc9d6..6277fde13df9 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -389,7 +389,8 @@ put_iova(struct drm_gem_object *obj) } static int msm_gem_get_iova_locked(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace, uint64_t *iova) + struct msm_gem_address_space *aspace, uint64_t *iova, + u64 range_start, u64 range_end) { struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_gem_vma *vma; @@ -404,7 +405,8 @@ static int msm_gem_get_iova_locked(struct drm_gem_object *obj, if (IS_ERR(vma)) return PTR_ERR(vma); - ret = msm_gem_init_vma(aspace, vma, obj->size >> PAGE_SHIFT); + ret = msm_gem_init_vma(aspace, vma, obj->size >> PAGE_SHIFT, + range_start, range_end); if (ret) { del_vma(vma); return ret; @@ -426,6 +428,9 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj, if (!(msm_obj->flags & MSM_BO_GPU_READONLY)) prot |= IOMMU_WRITE; + if (msm_obj->flags & MSM_BO_MAP_PRIV) + prot |= IOMMU_PRIV; + WARN_ON(!mutex_is_locked(&msm_obj->lock)); if (WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED)) @@ -443,9 +448,13 @@ static int msm_gem_pin_iova(struct drm_gem_object *obj, msm_obj->sgt, obj->size >> PAGE_SHIFT); } -/* get iova and pin it. Should have a matching put */ -int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, - struct msm_gem_address_space *aspace, uint64_t *iova) +/* + * get iova and pin it. Should have a matching put + * limits iova to specified range (in pages) + */ +int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace, uint64_t *iova, + u64 range_start, u64 range_end) { struct msm_gem_object *msm_obj = to_msm_bo(obj); u64 local; @@ -453,7 +462,8 @@ int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, mutex_lock(&msm_obj->lock); - ret = msm_gem_get_iova_locked(obj, aspace, &local); + ret = msm_gem_get_iova_locked(obj, aspace, &local, + range_start, range_end); if (!ret) ret = msm_gem_pin_iova(obj, aspace); @@ -465,6 +475,13 @@ int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, return ret; } +/* get iova and pin it. Should have a matching put */ +int msm_gem_get_and_pin_iova(struct drm_gem_object *obj, + struct msm_gem_address_space *aspace, uint64_t *iova) +{ + return msm_gem_get_and_pin_iova_range(obj, aspace, iova, 0, U64_MAX); +} + /* * Get an iova but don't pin it. Doesn't need a put because iovas are currently * valid for the life of the object @@ -476,7 +493,7 @@ int msm_gem_get_iova(struct drm_gem_object *obj, int ret; mutex_lock(&msm_obj->lock); - ret = msm_gem_get_iova_locked(obj, aspace, iova); + ret = msm_gem_get_iova_locked(obj, aspace, iova, 0, U64_MAX); mutex_unlock(&msm_obj->lock); return ret; |