1 files changed, 7 insertions, 15 deletions

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 7f92231785a0..8ddbd2e001d4 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -129,7 +129,7 @@ static struct page **get_pages(struct drm_gem_object *obj)
 		/* For non-cached buffers, ensure the new pages are clean
 		 * because display controller, GPU, etc. are not coherent:
 		 */
-		if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
+		if (msm_obj->flags & MSM_BO_WC)
 			sync_for_device(msm_obj);
 
 		update_inactive(msm_obj);
@@ -160,7 +160,7 @@ static void put_pages(struct drm_gem_object *obj)
 			 * pages are clean because display controller,
 			 * GPU, etc. are not coherent:
 			 */
-			if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
+			if (msm_obj->flags & MSM_BO_WC)
 				sync_for_cpu(msm_obj);
 
 			sg_free_table(msm_obj->sgt);
@@ -213,7 +213,7 @@ void msm_gem_put_pages(struct drm_gem_object *obj)
 
 static pgprot_t msm_gem_pgprot(struct msm_gem_object *msm_obj, pgprot_t prot)
 {
-	if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))
+	if (msm_obj->flags & MSM_BO_WC)
 		return pgprot_writecombine(prot);
 	return prot;
 }
@@ -259,7 +259,8 @@ static vm_fault_t msm_gem_fault(struct vm_fault *vmf)
 	VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
 			pfn, pfn << PAGE_SHIFT);
 
-	ret = vmf_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV));
+	ret = vmf_insert_pfn(vma, vmf->address, pfn);
+
 out_unlock:
 	msm_gem_unlock(obj);
 out:
@@ -1004,7 +1005,7 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m)
 #endif
 
 /* don't call directly!  Use drm_gem_object_put() */
-void msm_gem_free_object(struct drm_gem_object *obj)
+static void msm_gem_free_object(struct drm_gem_object *obj)
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
 	struct drm_device *dev = obj->dev;
@@ -1020,8 +1021,6 @@ void msm_gem_free_object(struct drm_gem_object *obj)
 	list_del(&msm_obj->mm_list);
 	mutex_unlock(&priv->mm_lock);
 
-	msm_gem_lock(obj);
-
 	/* object should not be on active list: */
 	GEM_WARN_ON(is_active(msm_obj));
 
@@ -1037,17 +1036,11 @@ void msm_gem_free_object(struct drm_gem_object *obj)
 
 		put_iova_vmas(obj);
 
-		/* dma_buf_detach() grabs resv lock, so we need to unlock
-		 * prior to drm_prime_gem_destroy
-		 */
-		msm_gem_unlock(obj);
-
 		drm_prime_gem_destroy(obj, msm_obj->sgt);
 	} else {
 		msm_gem_vunmap(obj);
 		put_pages(obj);
 		put_iova_vmas(obj);
-		msm_gem_unlock(obj);
 	}
 
 	drm_gem_object_release(obj);
@@ -1059,7 +1052,7 @@ static int msm_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
 
-	vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
+	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
 	vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags));
 
 	return 0;
@@ -1114,7 +1107,6 @@ static int msm_gem_new_impl(struct drm_device *dev,
 	struct msm_gem_object *msm_obj;
 
 	switch (flags & MSM_BO_CACHE_MASK) {
-	case MSM_BO_UNCACHED:
 	case MSM_BO_CACHED:
 	case MSM_BO_WC:
 		break;