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drm/msm: small mmap offset cleanups

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Use pre-computed iova when unmapping, to reduce the places we assume iova
and mmap offset are (at the moment) the same.  And get rid of an extra
drm_gem_free_mmap_offset() call (since it is already called from
drm_gem_object_release())

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-11-12 15:25:50 -05:00
parent e27c54ffd2
commit 257d06f704
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/msm/msm_gem.c
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@ -519,13 +519,11 @@ void msm_gem_free_object(struct drm_gem_object *obj)
for (id = 0; id < ARRAY_SIZE(msm_obj->domain); id++) {
struct msm_mmu *mmu = priv->mmus[id];
if (mmu && msm_obj->domain[id].iova) {
uint32_t offset = (uint32_t)mmap_offset(obj);
uint32_t offset = msm_obj->domain[id].iova;
mmu->funcs->unmap(mmu, offset, msm_obj->sgt, obj->size);
}
}
drm_gem_free_mmap_offset(obj);
if (obj->import_attach) {
if (msm_obj->vaddr)
dma_buf_vunmap(obj->import_attach->dmabuf, msm_obj->vaddr);