I broke that in my refactoring:
commit 7d2cd72a9aa3df3604cafd169a2d4a525afb68ca
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Fri May 29 16:05:42 2020 +0200
drm/shmem-helpers: Simplify dma-buf importing
Reported-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Fixes: 7d2cd72a9aa3 ("drm/shmem-helpers: Simplify dma-buf importing")
Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 0a7e3b664bc2..3e7ee407a17c 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -70,15 +70,17 @@ __drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private)
mutex_init(&shmem->vmap_lock);
INIT_LIST_HEAD(&shmem->madv_list);
- /*
- * Our buffers are kept pinned, so allocating them
- * from the MOVABLE zone is a really bad idea, and
- * conflicts with CMA. See comments above new_inode()
- * why this is required _and_ expected if you're
- * going to pin these pages.
- */
- mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER |
- __GFP_RETRY_MAYFAIL | __GFP_NOWARN);
+ if (!private) {
+ /*
+ * Our buffers are kept pinned, so allocating them
+ * from the MOVABLE zone is a really bad idea, and
+ * conflicts with CMA. See comments above new_inode()
+ * why this is required _and_ expected if you're
+ * going to pin these pages.
+ */
+ mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER |
+ __GFP_RETRY_MAYFAIL | __GFP_NOWARN);
+ }
return shmem;
--
2.27.0
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