On Tue, May 01, 2018 at 10:58:45AM -0700, Eric Anholt wrote:
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> ---
>
> airlied + danvet: this is the last change I think we need before I can
> merge v3d with your acks. Sending as a diff so you don't have to look
> at the whole thing again. Look good?
Hm I thought I've checked all your ioctl and made sure you're checking for
0 everywhere ... I guess I was blind. Anyway, lgtm, ack still holds.
-Daniel
>
> drivers/gpu/drm/v3d/v3d_bo.c | 10 ++++++++++
> drivers/gpu/drm/v3d/v3d_gem.c | 5 +++++
> include/uapi/drm/v3d_drm.h | 3 +++
> 3 files changed, 18 insertions(+)
>
> diff --git a/drivers/gpu/drm/v3d/v3d_bo.c b/drivers/gpu/drm/v3d/v3d_bo.c
> index 2be4e8b71604..7b1e2a549a71 100644
> --- a/drivers/gpu/drm/v3d/v3d_bo.c
> +++ b/drivers/gpu/drm/v3d/v3d_bo.c
> @@ -325,6 +325,11 @@ int v3d_create_bo_ioctl(struct drm_device *dev, void *data,
> struct v3d_bo *bo = NULL;
> int ret;
>
> + if (args->flags != 0) {
> + DRM_INFO("unknown create_bo flags: %d\n", args->flags);
> + return -EINVAL;
> + }
> +
> bo = v3d_bo_create(dev, file_priv, PAGE_ALIGN(args->size));
> if (IS_ERR(bo))
> return PTR_ERR(bo);
> @@ -344,6 +349,11 @@ int v3d_mmap_bo_ioctl(struct drm_device *dev, void *data,
> struct drm_gem_object *gem_obj;
> int ret;
>
> + if (args->flags != 0) {
> + DRM_INFO("unknown mmap_bo flags: %d\n", args->flags);
> + return -EINVAL;
> + }
> +
> gem_obj = drm_gem_object_lookup(file_priv, args->handle);
> if (!gem_obj) {
> DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
> diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
> index fa39a1e35263..b513f9189caf 100644
> --- a/drivers/gpu/drm/v3d/v3d_gem.c
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -503,6 +503,11 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
> struct drm_syncobj *sync_out;
> int ret = 0;
>
> + if (args->pad != 0) {
> + DRM_INFO("pad must be zero: %d\n", args->pad);
> + return -EINVAL;
> + }
> +
> exec = kcalloc(1, sizeof(*exec), GFP_KERNEL);
> if (!exec)
> return -ENOMEM;
> diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h
> index 201a07645bdd..7b6627783608 100644
> --- a/include/uapi/drm/v3d_drm.h
> +++ b/include/uapi/drm/v3d_drm.h
> @@ -101,6 +101,9 @@ struct drm_v3d_submit_cl {
>
> /* Number of BO handles passed in (size is that times 4). */
> __u32 bo_handle_count;
> +
> + /* Pad, must be zero-filled. */
> + __u32 pad;
> };
>
> /**
> --
> 2.17.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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