diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 713722b0ba78..4b1b82adabde 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -278,24 +278,23 @@ int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, uint32_t *iova) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - struct drm_device *dev = obj->dev; int ret = 0; if (!msm_obj->domain[id].iova) { struct msm_drm_private *priv = obj->dev->dev_private; - struct msm_mmu *mmu = priv->mmus[id]; struct page **pages = get_pages(obj); - if (!mmu) { - dev_err(dev->dev, "null MMU pointer\n"); - return -EINVAL; - } - if (IS_ERR(pages)) return PTR_ERR(pages); if (iommu_present(&platform_bus_type)) { - uint32_t offset = (uint32_t)mmap_offset(obj); + struct msm_mmu *mmu = priv->mmus[id]; + uint32_t offset; + + if (WARN_ON(!mmu)) + return -EINVAL; + + offset = (uint32_t)mmap_offset(obj); ret = mmu->funcs->map(mmu, offset, msm_obj->sgt, obj->size, IOMMU_READ | IOMMU_WRITE); msm_obj->domain[id].iova = offset; |