Hi,
as discussed on IRC, we still need this patch.
Am 15.06.20 um 17:10 schrieb Daniel Vetter:
> 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) {
I would test for (obj->filp) here, because it's what the branch depends
on. Your choice. In any case
Tested-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> + /*
> + * 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;
>
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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