On 09/30, Melissa Wen wrote:
> On 09/30, Iago Toral wrote:
> > On Wed, 2021-09-29 at 10:45 +0100, Melissa Wen wrote:
> > > Using the generic extension from the previous patch, a specific
> > > multisync
> > > extension enables more than one in/out binary syncobj per job
> > > submission.
> > > Arrays of syncobjs are set in struct drm_v3d_multisync, that also
> > > cares
> > > of determining the stage for sync (wait deps) according to the job
> > > queue.
> > >
> > > v2:
> > > - subclass the generic extension struct (Daniel)
> > > - simplify adding dependency conditions to make understandable (Iago)
> > >
> > > Signed-off-by: Melissa Wen <m...@igalia.com>
> > > ---
> > > drivers/gpu/drm/v3d/v3d_drv.c | 6 +-
> > > drivers/gpu/drm/v3d/v3d_drv.h | 23 +++--
> > > drivers/gpu/drm/v3d/v3d_gem.c | 176 ++++++++++++++++++++++++++++++
> > > ----
> > > include/uapi/drm/v3d_drm.h | 49 +++++++++-
> > > 4 files changed, 224 insertions(+), 30 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/v3d/v3d_drv.c
> > > b/drivers/gpu/drm/v3d/v3d_drv.c
> > > index 3d6b9bcce2f7..bd46396a1ae0 100644
> > > --- a/drivers/gpu/drm/v3d/v3d_drv.c
> > > +++ b/drivers/gpu/drm/v3d/v3d_drv.c
> > > @@ -96,6 +96,9 @@ static int v3d_get_param_ioctl(struct drm_device
> > > *dev, void *data,
> > > case DRM_V3D_PARAM_SUPPORTS_PERFMON:
> > > args->value = (v3d->ver >= 40);
> > > return 0;
> > > + case DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT:
> > > + args->value = 1;
> > > + return 0;
> > > default:
> > > DRM_DEBUG("Unknown parameter %d\n", args->param);
> > > return -EINVAL;
> > > @@ -135,9 +138,8 @@ v3d_postclose(struct drm_device *dev, struct
> > > drm_file *file)
> > > struct v3d_file_priv *v3d_priv = file->driver_priv;
> > > enum v3d_queue q;
> > >
> > > - for (q = 0; q < V3D_MAX_QUEUES; q++) {
> > > + for (q = 0; q < V3D_MAX_QUEUES; q++)
> > > drm_sched_entity_destroy(&v3d_priv->sched_entity[q]);
> > > - }
> > >
> > > v3d_perfmon_close_file(v3d_priv);
> > > kfree(v3d_priv);
> > > diff --git a/drivers/gpu/drm/v3d/v3d_drv.h
> > > b/drivers/gpu/drm/v3d/v3d_drv.h
> > > index b900a050d5e2..b14ff1e96f49 100644
> > > --- a/drivers/gpu/drm/v3d/v3d_drv.h
> > > +++ b/drivers/gpu/drm/v3d/v3d_drv.h
> > > @@ -19,15 +19,6 @@ struct reset_control;
> > >
> > > #define GMP_GRANULARITY (128 * 1024)
> > >
> > > -/* Enum for each of the V3D queues. */
> > > -enum v3d_queue {
> > > - V3D_BIN,
> > > - V3D_RENDER,
> > > - V3D_TFU,
> > > - V3D_CSD,
> > > - V3D_CACHE_CLEAN,
> > > -};
> > > -
> > > #define V3D_MAX_QUEUES (V3D_CACHE_CLEAN + 1)
> > >
> > > struct v3d_queue_state {
> > > @@ -294,6 +285,20 @@ struct v3d_csd_job {
> > > struct drm_v3d_submit_csd args;
> > > };
> > >
> > > +struct v3d_submit_outsync {
> > > + struct drm_syncobj *syncobj;
> > > +};
> > > +
> > > +struct v3d_submit_ext {
> > > + u32 wait_stage;
> > > +
> > > + u32 in_sync_count;
> > > + u64 in_syncs;
> > > +
> > > + u32 out_sync_count;
> > > + struct v3d_submit_outsync *out_syncs;
> > > +};
> > > +
> > > /**
> > > * __wait_for - magic wait macro
> > > *
> > > diff --git a/drivers/gpu/drm/v3d/v3d_gem.c
> > > b/drivers/gpu/drm/v3d/v3d_gem.c
> > > index b912419027f7..e92998d39eaa 100644
> > > --- a/drivers/gpu/drm/v3d/v3d_gem.c
> > > +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> > > @@ -454,11 +454,12 @@ v3d_job_add_deps(struct drm_file *file_priv,
> > > struct v3d_job *job,
> > > static int
> > > v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
> > > void **container, size_t size, void (*free)(struct kref
> > > *ref),
> > > - u32 in_sync, enum v3d_queue queue)
> > > + u32 in_sync, struct v3d_submit_ext *se, enum v3d_queue
> > > queue)
> > > {
> > > struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
> > > struct v3d_job *job;
> > > - int ret;
> > > + bool has_multisync = (se && se->in_sync_count);
> >
> > I think this is not correct... we could be using the multisync
> > interface and pass 0 in_syncs and/or 0 out_syncs... what should
> > determine if we take the multisync path is the presence of the
> > extension alone.
> hmm.. yeah. so, I should drop this has_multisync and change conditions
> to only check if we have a submit_ext (that means we have multisync
> support) and move the in_sync_count to check if we should add any wait
> semaphores, as below:
>
> >
> > > + int ret, i;
> > >
> > > *container = kcalloc(1, size, GFP_KERNEL);
> > > if (!*container) {
> > > @@ -479,9 +480,28 @@ v3d_job_init(struct v3d_dev *v3d, struct
> > > drm_file *file_priv,
> > > if (ret)
> > > goto fail;
> > >
> > > - ret = v3d_job_add_deps(file_priv, job, in_sync, 0);
> > > - if (ret)
> > > - goto fail_job;
> if (se) {
> if (se->in_sync_count && se->wait_stage == queue) {
never mind. I realized store extension flag on v3d_submit_ext works
better for handling multiples wait and signal semaphores.
Just sent a v3.
Thanks,
Melissa
> > > + struct drm_v3d_sem __user *handle =
> > > u64_to_user_ptr(se->in_syncs);
> > > +
> > > + for (i = 0; i < se->in_sync_count; i++) {
> > > + struct drm_v3d_sem in;
> > > +
> > > + ret = copy_from_user(&in, handle++,
> > > sizeof(in));
> > > + if (ret) {
> > > + DRM_DEBUG("Failed to copy wait
> > > dep handle.\n");
> > > + goto fail_job;
> > > + }
> > > + ret = v3d_job_add_deps(file_priv, job,
> > > in.handle, 0);
> > > + if (ret)
> > > + goto fail_job;
> > > + }
> > > + }
> > > + } else {
> > > + ret = v3d_job_add_deps(file_priv, job, in_sync, 0);
> > > + if (ret)
> > > + goto fail_job;
> > > + }
> > >
> > > kref_init(&job->refcount);
> > >
> > > @@ -514,6 +534,7 @@ v3d_attach_fences_and_unlock_reservation(struct
> > > drm_file *file_priv,
> > > struct v3d_job *job,
> > > struct ww_acquire_ctx
> > > *acquire_ctx,
> > > u32 out_sync,
> > > + struct v3d_submit_ext *se,
> > > struct dma_fence *done_fence)
> > > {
> > > struct drm_syncobj *sync_out;
> > > @@ -528,6 +549,18 @@ v3d_attach_fences_and_unlock_reservation(struct
> > > drm_file *file_priv,
> > > drm_gem_unlock_reservations(job->bo, job->bo_count,
> > > acquire_ctx);
> > >
> > > /* Update the return sync object for the job */
> > > + /* If multiples semaphores is supported */
> > > + if (se && se->out_sync_count) {
>
> and drop this out_sync_count condition too ^
same here.
In the v3, I reworked a little more to detach multisync support from the
number of out_sync to lookup and replace.
> > > + for (i = 0; i < se->out_sync_count; i++) {
> > > + drm_syncobj_replace_fence(se-
> > > >out_syncs[i].syncobj,
> > > + done_fence);
> > > + drm_syncobj_put(se->out_syncs[i].syncobj);
> > > + }
> > > + kvfree(se->out_syncs);
> > > + return;
> > > + }
> > > +
> > > + /* Single signal semaphore */
> > > sync_out = drm_syncobj_find(file_priv, out_sync);
> > > if (sync_out) {
> > > drm_syncobj_replace_fence(sync_out, done_fence);
> > > @@ -535,13 +568,107 @@
> > > v3d_attach_fences_and_unlock_reservation(struct drm_file *file_priv,
> > > }
> > > }
> > >
> > > +static void
> > > +v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
> > > +{
> > > + unsigned int i;
> > > +
> > > + for (i = 0; i < se->out_sync_count; i++)
> > > + drm_syncobj_put(se->out_syncs[i].syncobj);
> > > + kvfree(se->out_syncs);
> > > +}
> > > +
> > > static int
> > > -v3d_get_extensions(struct drm_file *file_priv, u64 ext_handles)
> > > +v3d_get_multisync_post_deps(struct drm_file *file_priv,
> > > + struct v3d_submit_ext *se,
> > > + u32 count, u64 handles)
> > > +{
> > > + struct drm_v3d_sem __user *post_deps;
> > > + int i, ret;
> > > +
> > > + se->out_syncs = (struct v3d_submit_outsync *)
> > > + kvmalloc_array(count,
> > > + sizeof(struct
> > > v3d_submit_outsync),
> > > + GFP_KERNEL);
> > > + if (!se->out_syncs)
> > > + return -ENOMEM;
> > > +
> > > + post_deps = u64_to_user_ptr(handles);
> > > +
> > > + for (i = 0; i < count; i++) {
> > > + struct drm_v3d_sem out;
> > > +
> > > + ret = copy_from_user(&out, post_deps++, sizeof(out));
> > > + if (ret) {
> > > + DRM_DEBUG("Failed to copy post dep handles\n");
> > > + goto fail;
> > > + }
> > > +
> > > + se->out_syncs[i].syncobj = drm_syncobj_find(file_priv,
> > > + out.handle)
> > > ;
> > > + if (!se->out_syncs[i].syncobj) {
> > > + ret = -EINVAL;
> > > + goto fail;
> > > + }
> > > + }
> > > + se->out_sync_count = count;
> > > +
> > > + return 0;
> > > +
> > > +fail:
> > > + for (i--; i >= 0; i--)
> > > + drm_syncobj_put(se->out_syncs[i].syncobj);
> > > + kvfree(se->out_syncs);
> > > +
> > > + return ret;
> > > +}
> > > +
> > > +/* Get data for multiple binary semaphores synchronization. Parse
> > > syncobj
> > > + * to be signaled when job completes (out_sync).
> > > + */
> > > +static int
> > > +v3d_get_multisync_submit_deps(struct drm_file *file_priv,
> > > + struct drm_v3d_extension __user *ext,
> > > + void *data)
> > > +{
> > > + struct drm_v3d_multi_sync multisync;
> > > + struct v3d_submit_ext *se = data;
> > > + int ret;
> > > +
> > > + ret = copy_from_user(&multisync, ext, sizeof(multisync));
> > > + if (ret)
> > > + return ret;
> > > +
> > > + if (multisync.pad)
> > > + return -EINVAL;
> > > +
> > > + ret = v3d_get_multisync_post_deps(file_priv, data,
> > > multisync.out_sync_count,
> > > + multisync.out_syncs);
> > > + if (ret)
> > > + return ret;
> > > +
> > > + se->in_sync_count = multisync.in_sync_count;
> > > + se->in_syncs = multisync.in_syncs;
> > > +
> > > + se->wait_stage = multisync.wait_stage;
> > > +
> > > + return 0;
> > > +}
> > > +
> > > +/* Whenever userspace sets ioctl extensions, parses data according
> > > to the
> > > + * extension id (name). By now, generic ioctl extensions is only
> > > used to
> > > + * support multiple binary semaphores (struct drm_v3d_multi_sync).
> > > + */
> >
> > Let's remove the sentence that starts with "By now, generic..." it is
> > not really relevant and it is bound to get obsolete when we add more
> > extensions.
> ok. I think I should also move this comment to the previous patch
> where the function below was created.
> >
> > > +static int
> > > +v3d_get_extensions(struct drm_file *file_priv,
> > > + u64 ext_handles,
> > > + void *data)
> > > {
> > > struct drm_v3d_extension __user *user_ext;
> > > + int ret;
> > >
> > > user_ext = u64_to_user_ptr(ext_handles);
> > > - while(user_ext) {
> > > + while (user_ext) {
> > > struct drm_v3d_extension ext;
> > >
> > > if (copy_from_user(&ext, user_ext, sizeof(ext))) {
> > > @@ -550,7 +677,11 @@ v3d_get_extensions(struct drm_file *file_priv,
> > > u64 ext_handles)
> > > }
> > >
> > > switch (ext.id) {
> > > - case 0:
> > > + case DRM_V3D_EXT_ID_MULTI_SYNC:
> > > + ret = v3d_get_multisync_submit_deps(file_priv,
> > > user_ext, data);
> > > + if (ret)
> > > + return ret;
> > > + break;
> > > default:
> > > DRM_DEBUG_DRIVER("Unknown extension id: %d\n",
> > > ext.id);
> > > return -EINVAL;
> > > @@ -581,6 +712,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > > struct v3d_dev *v3d = to_v3d_dev(dev);
> > > struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
> > > struct drm_v3d_submit_cl *args = data;
> > > + struct v3d_submit_ext se = {0};
> > > struct v3d_bin_job *bin = NULL;
> > > struct v3d_render_job *render;
> > > struct v3d_job *clean_job = NULL;
> > > @@ -601,7 +733,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > > }
> > >
> > > if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
> > > - ret = v3d_get_extensions(file_priv, args->extensions);
> > > + ret = v3d_get_extensions(file_priv, args->extensions,
> > > &se);
> > > if (ret) {
> > > DRM_DEBUG("Failed to get extensions.\n");
> > > return ret;
> > > @@ -609,7 +741,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > > }
> > >
> > > ret = v3d_job_init(v3d, file_priv, (void *)&render,
> > > sizeof(*render),
> > > - v3d_render_job_free, args->in_sync_bcl,
> > > V3D_RENDER);
> > > + v3d_render_job_free, args->in_sync_bcl, &se,
> > > V3D_RENDER);
> >
> > So here is an example of what I was saying above... if the driver is
> > using the multisync interface with 0 in_syncs, v3d_job_init here will
> > think we are not using multisync and instead try to use args-
> > >in_sync_bcl, which is not what we want. The same issue happens in all
> > other submission ioctls.
> >
> > > if (ret)
> > > goto fail;
> > >
> > > @@ -619,7 +751,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > >
> > > if (args->bcl_start != args->bcl_end) {
> > > ret = v3d_job_init(v3d, file_priv, (void *)&bin,
> > > sizeof(*bin),
> > > - v3d_job_free, args->in_sync_bcl,
> > > V3D_BIN);
> > > + v3d_job_free, args->in_sync_bcl,
> > > &se, V3D_BIN);
> >
> > Same here.
> >
> > > if (ret)
> > > goto fail;
> > >
> > > @@ -633,7 +765,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > >
> > > if (args->flags & DRM_V3D_SUBMIT_CL_FLUSH_CACHE) {
> > > ret = v3d_job_init(v3d, file_priv, (void *)&clean_job,
> > > sizeof(*clean_job),
> > > - v3d_job_free, 0, V3D_CACHE_CLEAN);
> > > + v3d_job_free, 0, 0,
> > > V3D_CACHE_CLEAN);
> > > if (ret)
> > > goto fail;
> > >
> > > @@ -693,6 +825,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > > last_job,
> > > &acquire_ctx,
> > > args->out_sync,
> > > + &se,
> > > last_job->done_fence);
> > >
> > > if (bin)
> > > @@ -711,6 +844,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void
> > > *data,
> > > v3d_job_cleanup((void *)bin);
> > > v3d_job_cleanup((void *)render);
> > > v3d_job_cleanup(clean_job);
> > > + v3d_put_multisync_post_deps(&se);
> > >
> > > return ret;
> > > }
> > > @@ -730,6 +864,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void
> > > *data,
> > > {
> > > struct v3d_dev *v3d = to_v3d_dev(dev);
> > > struct drm_v3d_submit_tfu *args = data;
> > > + struct v3d_submit_ext se = {0};
> > > struct v3d_tfu_job *job;
> > > struct ww_acquire_ctx acquire_ctx;
> > > int ret = 0;
> > > @@ -742,7 +877,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void
> > > *data,
> > > }
> > >
> > > if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
> > > - ret = v3d_get_extensions(file_priv, args->extensions);
> > > + ret = v3d_get_extensions(file_priv, args->extensions,
> > > &se);
> > > if (ret) {
> > > DRM_DEBUG("Failed to get extensions.\n");
> > > return ret;
> > > @@ -750,7 +885,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void
> > > *data,
> > > }
> > >
> > > ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
> > > - v3d_job_free, args->in_sync, V3D_TFU);
> > > + v3d_job_free, args->in_sync, &se, V3D_TFU);
> >
> > Same here.
> >
> > > if (ret)
> > > goto fail;
> > >
> > > @@ -798,6 +933,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void
> > > *data,
> > > v3d_attach_fences_and_unlock_reservation(file_priv,
> > > &job->base,
> > > &acquire_ctx,
> > > args->out_sync,
> > > + &se,
> > > job->base.done_fence);
> > >
> > > v3d_job_put(&job->base);
> > > @@ -806,6 +942,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void
> > > *data,
> > >
> > > fail:
> > > v3d_job_cleanup((void *)job);
> > > + v3d_put_multisync_post_deps(&se);
> > >
> > > return ret;
> > > }
> > > @@ -826,8 +963,9 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void
> > > *data,
> > > struct v3d_dev *v3d = to_v3d_dev(dev);
> > > struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
> > > struct drm_v3d_submit_csd *args = data;
> > > + struct v3d_submit_ext se = {0};
> > > struct v3d_csd_job *job;
> > > - struct v3d_job *clean_job;
> > > + struct v3d_job *clean_job = NULL;
> > > struct ww_acquire_ctx acquire_ctx;
> > > int ret;
> > >
> > > @@ -847,7 +985,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void
> > > *data,
> > > }
> > >
> > > if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
> > > - ret = v3d_get_extensions(file_priv, args->extensions);
> > > + ret = v3d_get_extensions(file_priv, args->extensions,
> > > &se);
> > > if (ret) {
> > > DRM_DEBUG("Failed to get extensions.\n");
> > > return ret;
> > > @@ -855,12 +993,12 @@ v3d_submit_csd_ioctl(struct drm_device *dev,
> > > void *data,
> > > }
> > >
> > > ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
> > > - v3d_job_free, args->in_sync, V3D_CSD);
> > > + v3d_job_free, args->in_sync, &se, V3D_CSD);
> >
> > Same here.
> >
> > > if (ret)
> > > goto fail;
> > >
> > > ret = v3d_job_init(v3d, file_priv, (void *)&clean_job,
> > > sizeof(*clean_job),
> > > - v3d_job_free, 0, V3D_CACHE_CLEAN);
> > > + v3d_job_free, 0, 0, V3D_CACHE_CLEAN);
> > > if (ret)
> > > goto fail;
> > >
> > > @@ -899,6 +1037,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev,
> > > void *data,
> > > clean_job,
> > > &acquire_ctx,
> > > args->out_sync,
> > > + &se,
> > > clean_job-
> > > >done_fence);
> > >
> > > v3d_job_put(&job->base);
> > > @@ -913,6 +1052,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev,
> > > void *data,
> > > fail:
> > > v3d_job_cleanup((void *)job);
> > > v3d_job_cleanup(clean_job);
> > > + v3d_put_multisync_post_deps(&se);
> > >
> > > return ret;
> > > }
> > > diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h
> > > index 55b443ca6c0b..3dfc0af8756a 100644
> > > --- a/include/uapi/drm/v3d_drm.h
> > > +++ b/include/uapi/drm/v3d_drm.h
> > > @@ -73,6 +73,53 @@ struct drm_v3d_extension {
> > > __u32 flags; /* mbz */
> > > };
> > >
> > > +/* struct drm_v3d_sem - wait/signal semaphore
> > > + *
> > > + * If binary semaphore, it only takes syncobj handle and ignores
> > > flags and
> > > + * point fields. Point is defined for timeline syncobj feature.
> > > + */
> > > +struct drm_v3d_sem {
> > > + __u32 handle; /* syncobj */
> > > + /* rsv below, for future uses */
> > > + __u32 flags;
> > > + __u64 point; /* for timeline sem support */
> > > + __u64 mbz[2]; /* must be zero, rsv */
> > > +};
> > > +
> > > +/* Enum for each of the V3D queues. */
> > > +enum v3d_queue {
> > > + V3D_BIN,
> > > + V3D_RENDER,
> > > + V3D_TFU,
> > > + V3D_CSD,
> > > + V3D_CACHE_CLEAN,
> > > +};
> > > +
> > > +/**
> > > + * struct drm_v3d_multi_sync - ioctl extension to add support
> > > multiples
> > > + * syncobjs for commands submission.
> > > + *
> > > + * When an extension of DRM_V3D_EXT_ID_MULTI_SYNC id is defined, it
> > > points to
> > > + * this extension to define wait and signal dependencies, instead of
> > > single
> > > + * in/out sync entries on submitting commands. The field flags is
> > > used to
> > > + * determine the stage to set wait dependencies.
> > > + */
> > > +struct drm_v3d_multi_sync {
> > > + struct drm_v3d_extension base;
> > > + /* Array of wait and signal semaphores */
> > > + __u64 in_syncs;
> > > + __u64 out_syncs;
> > > +
> > > + /* Number of entries */
> > > + __u32 in_sync_count;
> > > + __u32 out_sync_count;
> > > +
> > > + /* set the stage (v3d_queue) to sync */
> > > + __u32 wait_stage;
> > > +
> > > + __u32 pad; /* mbz */
> > > +};
> > > +
> > > /**
> > > * struct drm_v3d_submit_cl - ioctl argument for submitting commands
> > > to the 3D
> > > * engine.
> > > @@ -228,6 +275,7 @@ enum drm_v3d_param {
> > > DRM_V3D_PARAM_SUPPORTS_CSD,
> > > DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH,
> > > DRM_V3D_PARAM_SUPPORTS_PERFMON,
> > > + DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT,
> > > };
> > >
> > > struct drm_v3d_get_param {
> > > @@ -271,7 +319,6 @@ struct drm_v3d_submit_tfu {
> > >
> > > /* Pointer to an array of ioctl extensions*/
> > > __u64 extensions;
> > > -
> > > };
> > >
> > > /* Submits a compute shader for dispatch. This job will block on
> > > any
> >
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