drm/msm: Remove sgt from the mmu unmap function

The scatter gather table doesn't need to be passed in for the
MMU unmap function.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/msm_drv.h

@@ -242,7 +242,7 @@ void msm_atomic_state_clear(struct drm_atomic_state *state);
 void msm_atomic_state_free(struct drm_atomic_state *state);
 
 void msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
-		struct msm_gem_vma *vma, struct sg_table *sgt);
+		struct msm_gem_vma *vma);
 int msm_gem_map_vma(struct msm_gem_address_space *aspace,
 		struct msm_gem_vma *vma, struct sg_table *sgt, int npages);
 

drivers/gpu/drm/msm/msm_gem.c

@@ -352,7 +352,7 @@ put_iova(struct drm_gem_object *obj)
 	WARN_ON(!mutex_is_locked(&msm_obj->lock));
 
 	list_for_each_entry_safe(vma, tmp, &msm_obj->vmas, list) {
-		msm_gem_unmap_vma(vma->aspace, vma, msm_obj->sgt);
+		msm_gem_unmap_vma(vma->aspace, vma);
 		del_vma(vma);
 	}
 }

drivers/gpu/drm/msm/msm_gem_vma.c

@@ -40,14 +40,14 @@ void msm_gem_address_space_put(struct msm_gem_address_space *aspace)
 
 void
 msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
-		struct msm_gem_vma *vma, struct sg_table *sgt)
+		struct msm_gem_vma *vma)
 {
 	if (!aspace || !vma->iova)
 		return;
 
 	if (aspace->mmu) {
 		unsigned size = vma->node.size << PAGE_SHIFT;
-		aspace->mmu->funcs->unmap(aspace->mmu, vma->iova, sgt, size);
+		aspace->mmu->funcs->unmap(aspace->mmu, vma->iova, size);
 	}
 
 	spin_lock(&aspace->lock);

drivers/gpu/drm/msm/msm_iommu.c

@@ -71,8 +71,7 @@ static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova,
 	return (ret == len) ? 0 : -EINVAL;
 }
 
-static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova,
-		struct sg_table *sgt, unsigned len)
+static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, unsigned len)
 {
 	struct msm_iommu *iommu = to_msm_iommu(mmu);
 

drivers/gpu/drm/msm/msm_mmu.h

@@ -25,8 +25,7 @@ struct msm_mmu_funcs {
 	void (*detach)(struct msm_mmu *mmu, const char * const *names, int cnt);
 	int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
 			unsigned len, int prot);
-	int (*unmap)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
-			unsigned len);
+	int (*unmap)(struct msm_mmu *mmu, uint64_t iova, unsigned len);
 	void (*destroy)(struct msm_mmu *mmu);
 };