drm/v3d: Detach job submissions IOCTLs to a new specific file

We will include a new job submission type, the CPU job submission. For
readability and maintability, separate the job submission IOCTLs and
related operations from v3d_gem.c.

Minor fix in the CSD submission kernel doc:
CSD (texture formatting) -> CSD (compute shader).

Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231130164420.932823-5-mcanal@igalia.com

4 files changed, 753 insertions, 741 deletions

diff --git a/drivers/gpu/drm/v3d/Makefile b/drivers/gpu/drm/v3d/Makefile
index 4b21b20e4998..b7d673f1153b 100644
--- a/drivers/gpu/drm/v3d/Makefile
+++ b/drivers/gpu/drm/v3d/Makefile
@@ -12,7 +12,8 @@ v3d-y := \
 	v3d_perfmon.o \
 	v3d_trace_points.o \
 	v3d_sched.o \
-	v3d_sysfs.o
+	v3d_sysfs.o \
+	v3d_submit.o
 
 v3d-$(CONFIG_DEBUG_FS) += v3d_debugfs.o
 
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index fc04372d5cbd..4db9ace66024 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -401,17 +401,19 @@ struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum v3d_queue queue);
 /* v3d_gem.c */
 int v3d_gem_init(struct drm_device *dev);
 void v3d_gem_destroy(struct drm_device *dev);
+void v3d_reset(struct v3d_dev *v3d);
+void v3d_invalidate_caches(struct v3d_dev *v3d);
+void v3d_clean_caches(struct v3d_dev *v3d);
+
+/* v3d_submit.c */
+void v3d_job_cleanup(struct v3d_job *job);
+void v3d_job_put(struct v3d_job *job);
 int v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 int v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 int v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
-void v3d_job_cleanup(struct v3d_job *job);
-void v3d_job_put(struct v3d_job *job);
-void v3d_reset(struct v3d_dev *v3d);
-void v3d_invalidate_caches(struct v3d_dev *v3d);
-void v3d_clean_caches(struct v3d_dev *v3d);
 
 /* v3d_irq.c */
 int v3d_irq_init(struct v3d_dev *v3d);
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 26f62a48d226..afc565078c78 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -11,8 +11,6 @@
 #include <linux/uaccess.h>
 
 #include <drm/drm_managed.h>
-#include <drm/drm_syncobj.h>
-#include <uapi/drm/v3d_drm.h>
 
 #include "v3d_drv.h"
 #include "v3d_regs.h"
@@ -241,739 +239,6 @@ v3d_invalidate_caches(struct v3d_dev *v3d)
 	v3d_invalidate_slices(v3d, 0);
 }
 
-/* Takes the reservation lock on all the BOs being referenced, so that
- * at queue submit time we can update the reservations.
- *
- * We don't lock the RCL the tile alloc/state BOs, or overflow memory
- * (all of which are on exec->unref_list).  They're entirely private
- * to v3d, so we don't attach dma-buf fences to them.
- */
-static int
-v3d_lock_bo_reservations(struct v3d_job *job,
-			 struct ww_acquire_ctx *acquire_ctx)
-{
-	int i, ret;
-
-	ret = drm_gem_lock_reservations(job->bo, job->bo_count, acquire_ctx);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < job->bo_count; i++) {
-		ret = dma_resv_reserve_fences(job->bo[i]->resv, 1);
-		if (ret)
-			goto fail;
-
-		ret = drm_sched_job_add_implicit_dependencies(&job->base,
-							      job->bo[i], true);
-		if (ret)
-			goto fail;
-	}
-
-	return 0;
-
-fail:
-	drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
-	return ret;
-}
-
-/**
- * v3d_lookup_bos() - Sets up job->bo[] with the GEM objects
- * referenced by the job.
- * @dev: DRM device
- * @file_priv: DRM file for this fd
- * @job: V3D job being set up
- * @bo_handles: GEM handles
- * @bo_count: Number of GEM handles passed in
- *
- * The command validator needs to reference BOs by their index within
- * the submitted job's BO list.  This does the validation of the job's
- * BO list and reference counting for the lifetime of the job.
- *
- * Note that this function doesn't need to unreference the BOs on
- * failure, because that will happen at v3d_exec_cleanup() time.
- */
-static int
-v3d_lookup_bos(struct drm_device *dev,
-	       struct drm_file *file_priv,
-	       struct v3d_job *job,
-	       u64 bo_handles,
-	       u32 bo_count)
-{
-	job->bo_count = bo_count;
-
-	if (!job->bo_count) {
-		/* See comment on bo_index for why we have to check
-		 * this.
-		 */
-		DRM_DEBUG("Rendering requires BOs\n");
-		return -EINVAL;
-	}
-
-	return drm_gem_objects_lookup(file_priv,
-				      (void __user *)(uintptr_t)bo_handles,
-				      job->bo_count, &job->bo);
-}
-
-static void
-v3d_job_free(struct kref *ref)
-{
-	struct v3d_job *job = container_of(ref, struct v3d_job, refcount);
-	int i;
-
-	if (job->bo) {
-		for (i = 0; i < job->bo_count; i++)
-			drm_gem_object_put(job->bo[i]);
-		kvfree(job->bo);
-	}
-
-	dma_fence_put(job->irq_fence);
-	dma_fence_put(job->done_fence);
-
-	if (job->perfmon)
-		v3d_perfmon_put(job->perfmon);
-
-	kfree(job);
-}
-
-static void
-v3d_render_job_free(struct kref *ref)
-{
-	struct v3d_render_job *job = container_of(ref, struct v3d_render_job,
-						  base.refcount);
-	struct v3d_bo *bo, *save;
-
-	list_for_each_entry_safe(bo, save, &job->unref_list, unref_head) {
-		drm_gem_object_put(&bo->base.base);
-	}
-
-	v3d_job_free(ref);
-}
-
-void v3d_job_cleanup(struct v3d_job *job)
-{
-	if (!job)
-		return;
-
-	drm_sched_job_cleanup(&job->base);
-	v3d_job_put(job);
-}
-
-void v3d_job_put(struct v3d_job *job)
-{
-	kref_put(&job->refcount, job->free);
-}
-
-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, struct v3d_submit_ext *se, enum v3d_queue queue)
-{
-	struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
-	struct v3d_job *job;
-	bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
-	int ret, i;
-
-	*container = kcalloc(1, size, GFP_KERNEL);
-	if (!*container) {
-		DRM_ERROR("Cannot allocate memory for v3d job.");
-		return -ENOMEM;
-	}
-
-	job = *container;
-	job->v3d = v3d;
-	job->free = free;
-	job->file = file_priv;
-
-	ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue],
-				 1, v3d_priv);
-	if (ret)
-		goto fail;
-
-	if (has_multisync) {
-		if (se->in_sync_count && se->wait_stage == queue) {
-			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;
-
-				if (copy_from_user(&in, handle++, sizeof(in))) {
-					ret = -EFAULT;
-					DRM_DEBUG("Failed to copy wait dep handle.\n");
-					goto fail_deps;
-				}
-				ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in.handle, 0);
-
-				// TODO: Investigate why this was filtered out for the IOCTL.
-				if (ret && ret != -ENOENT)
-					goto fail_deps;
-			}
-		}
-	} else {
-		ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in_sync, 0);
-
-		// TODO: Investigate why this was filtered out for the IOCTL.
-		if (ret && ret != -ENOENT)
-			goto fail_deps;
-	}
-
-	kref_init(&job->refcount);
-
-	return 0;
-
-fail_deps:
-	drm_sched_job_cleanup(&job->base);
-fail:
-	kfree(*container);
-	*container = NULL;
-
-	return ret;
-}
-
-static void
-v3d_push_job(struct v3d_job *job)
-{
-	drm_sched_job_arm(&job->base);
-
-	job->done_fence = dma_fence_get(&job->base.s_fence->finished);
-
-	/* put by scheduler job completion */
-	kref_get(&job->refcount);
-
-	drm_sched_entity_push_job(&job->base);
-}
-
-static void
-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;
-	bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
-	int i;
-
-	for (i = 0; i < job->bo_count; i++) {
-		/* XXX: Use shared fences for read-only objects. */
-		dma_resv_add_fence(job->bo[i]->resv, job->done_fence,
-				   DMA_RESV_USAGE_WRITE);
-	}
-
-	drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
-
-	/* Update the return sync object for the job */
-	/* If it only supports a single signal semaphore*/
-	if (!has_multisync) {
-		sync_out = drm_syncobj_find(file_priv, out_sync);
-		if (sync_out) {
-			drm_syncobj_replace_fence(sync_out, done_fence);
-			drm_syncobj_put(sync_out);
-		}
-		return;
-	}
-
-	/* If multiple semaphores extension is supported */
-	if (se->out_sync_count) {
-		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);
-	}
-}
-
-static void
-v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
-{
-	unsigned int i;
-
-	if (!(se && se->out_sync_count))
-		return;
-
-	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_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;
-
-	if (!count)
-		return 0;
-
-	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;
-
-		if (copy_from_user(&out, post_deps++, sizeof(out))) {
-			ret = -EFAULT;
-			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;
-
-	if (copy_from_user(&multisync, ext, sizeof(multisync)))
-		return -EFAULT;
-
-	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->flags |= DRM_V3D_EXT_ID_MULTI_SYNC;
-	se->wait_stage = multisync.wait_stage;
-
-	return 0;
-}
-
-/* Whenever userspace sets ioctl extensions, v3d_get_extensions parses data
- * according to the extension id (name).
- */
-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) {
-		struct drm_v3d_extension ext;
-
-		if (copy_from_user(&ext, user_ext, sizeof(ext))) {
-			DRM_DEBUG("Failed to copy submit extension\n");
-			return -EFAULT;
-		}
-
-		switch (ext.id) {
-		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;
-		}
-
-		user_ext = u64_to_user_ptr(ext.next);
-	}
-
-	return 0;
-}
-
-/**
- * v3d_submit_cl_ioctl() - Submits a job (frame) to the V3D.
- * @dev: DRM device
- * @data: ioctl argument
- * @file_priv: DRM file for this fd
- *
- * This is the main entrypoint for userspace to submit a 3D frame to
- * the GPU.  Userspace provides the binner command list (if
- * applicable), and the kernel sets up the render command list to draw
- * to the framebuffer described in the ioctl, using the command lists
- * that the 3D engine's binner will produce.
- */
-int
-v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
-{
-	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 = NULL;
-	struct v3d_job *clean_job = NULL;
-	struct v3d_job *last_job;
-	struct ww_acquire_ctx acquire_ctx;
-	int ret = 0;
-
-	trace_v3d_submit_cl_ioctl(&v3d->drm, args->rcl_start, args->rcl_end);
-
-	if (args->pad)
-		return -EINVAL;
-
-	if (args->flags &&
-	    args->flags & ~(DRM_V3D_SUBMIT_CL_FLUSH_CACHE |
-			    DRM_V3D_SUBMIT_EXTENSION)) {
-		DRM_INFO("invalid flags: %d\n", args->flags);
-		return -EINVAL;
-	}
-
-	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
-		ret = v3d_get_extensions(file_priv, args->extensions, &se);
-		if (ret) {
-			DRM_DEBUG("Failed to get extensions.\n");
-			return ret;
-		}
-	}
-
-	ret = v3d_job_init(v3d, file_priv, (void *)&render, sizeof(*render),
-			   v3d_render_job_free, args->in_sync_rcl, &se, V3D_RENDER);
-	if (ret)
-		goto fail;
-
-	render->start = args->rcl_start;
-	render->end = args->rcl_end;
-	INIT_LIST_HEAD(&render->unref_list);
-
-	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, &se, V3D_BIN);
-		if (ret)
-			goto fail;
-
-		bin->start = args->bcl_start;
-		bin->end = args->bcl_end;
-		bin->qma = args->qma;
-		bin->qms = args->qms;
-		bin->qts = args->qts;
-		bin->render = render;
-	}
-
-	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, NULL, V3D_CACHE_CLEAN);
-		if (ret)
-			goto fail;
-
-		last_job = clean_job;
-	} else {
-		last_job = &render->base;
-	}
-
-	ret = v3d_lookup_bos(dev, file_priv, last_job,
-			     args->bo_handles, args->bo_handle_count);
-	if (ret)
-		goto fail;
-
-	ret = v3d_lock_bo_reservations(last_job, &acquire_ctx);
-	if (ret)
-		goto fail;
-
-	if (args->perfmon_id) {
-		render->base.perfmon = v3d_perfmon_find(v3d_priv,
-							args->perfmon_id);
-
-		if (!render->base.perfmon) {
-			ret = -ENOENT;
-			goto fail_perfmon;
-		}
-	}
-
-	mutex_lock(&v3d->sched_lock);
-	if (bin) {
-		bin->base.perfmon = render->base.perfmon;
-		v3d_perfmon_get(bin->base.perfmon);
-		v3d_push_job(&bin->base);
-
-		ret = drm_sched_job_add_dependency(&render->base.base,
-						   dma_fence_get(bin->base.done_fence));
-		if (ret)
-			goto fail_unreserve;
-	}
-
-	v3d_push_job(&render->base);
-
-	if (clean_job) {
-		struct dma_fence *render_fence =
-			dma_fence_get(render->base.done_fence);
-		ret = drm_sched_job_add_dependency(&clean_job->base,
-						   render_fence);
-		if (ret)
-			goto fail_unreserve;
-		clean_job->perfmon = render->base.perfmon;
-		v3d_perfmon_get(clean_job->perfmon);
-		v3d_push_job(clean_job);
-	}
-
-	mutex_unlock(&v3d->sched_lock);
-
-	v3d_attach_fences_and_unlock_reservation(file_priv,
-						 last_job,
-						 &acquire_ctx,
-						 args->out_sync,
-						 &se,
-						 last_job->done_fence);
-
-	if (bin)
-		v3d_job_put(&bin->base);
-	v3d_job_put(&render->base);
-	if (clean_job)
-		v3d_job_put(clean_job);
-
-	return 0;
-
-fail_unreserve:
-	mutex_unlock(&v3d->sched_lock);
-fail_perfmon:
-	drm_gem_unlock_reservations(last_job->bo,
-				    last_job->bo_count, &acquire_ctx);
-fail:
-	v3d_job_cleanup((void *)bin);
-	v3d_job_cleanup((void *)render);
-	v3d_job_cleanup(clean_job);
-	v3d_put_multisync_post_deps(&se);
-
-	return ret;
-}
-
-/**
- * v3d_submit_tfu_ioctl() - Submits a TFU (texture formatting) job to the V3D.
- * @dev: DRM device
- * @data: ioctl argument
- * @file_priv: DRM file for this fd
- *
- * Userspace provides the register setup for the TFU, which we don't
- * need to validate since the TFU is behind the MMU.
- */
-int
-v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	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 = NULL;
-	struct ww_acquire_ctx acquire_ctx;
-	int ret = 0;
-
-	trace_v3d_submit_tfu_ioctl(&v3d->drm, args->iia);
-
-	if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
-		DRM_DEBUG("invalid flags: %d\n", args->flags);
-		return -EINVAL;
-	}
-
-	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
-		ret = v3d_get_extensions(file_priv, args->extensions, &se);
-		if (ret) {
-			DRM_DEBUG("Failed to get extensions.\n");
-			return ret;
-		}
-	}
-
-	ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
-			   v3d_job_free, args->in_sync, &se, V3D_TFU);
-	if (ret)
-		goto fail;
-
-	job->base.bo = kcalloc(ARRAY_SIZE(args->bo_handles),
-			       sizeof(*job->base.bo), GFP_KERNEL);
-	if (!job->base.bo) {
-		ret = -ENOMEM;
-		goto fail;
-	}
-
-	job->args = *args;
-
-	for (job->base.bo_count = 0;
-	     job->base.bo_count < ARRAY_SIZE(args->bo_handles);
-	     job->base.bo_count++) {
-		struct drm_gem_object *bo;
-
-		if (!args->bo_handles[job->base.bo_count])
-			break;
-
-		bo = drm_gem_object_lookup(file_priv, args->bo_handles[job->base.bo_count]);
-		if (!bo) {
-			DRM_DEBUG("Failed to look up GEM BO %d: %d\n",
-				  job->base.bo_count,
-				  args->bo_handles[job->base.bo_count]);
-			ret = -ENOENT;
-			goto fail;
-		}
-		job->base.bo[job->base.bo_count] = bo;
-	}
-
-	ret = v3d_lock_bo_reservations(&job->base, &acquire_ctx);
-	if (ret)
-		goto fail;
-
-	mutex_lock(&v3d->sched_lock);
-	v3d_push_job(&job->base);
-	mutex_unlock(&v3d->sched_lock);
-
-	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);
-
-	return 0;
-
-fail:
-	v3d_job_cleanup((void *)job);
-	v3d_put_multisync_post_deps(&se);
-
-	return ret;
-}
-
-/**
- * v3d_submit_csd_ioctl() - Submits a CSD (texture formatting) job to the V3D.
- * @dev: DRM device
- * @data: ioctl argument
- * @file_priv: DRM file for this fd
- *
- * Userspace provides the register setup for the CSD, which we don't
- * need to validate since the CSD is behind the MMU.
- */
-int
-v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	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 = NULL;
-	struct v3d_job *clean_job = NULL;
-	struct ww_acquire_ctx acquire_ctx;
-	int ret;
-
-	trace_v3d_submit_csd_ioctl(&v3d->drm, args->cfg[5], args->cfg[6]);
-
-	if (args->pad)
-		return -EINVAL;
-
-	if (!v3d_has_csd(v3d)) {
-		DRM_DEBUG("Attempting CSD submit on non-CSD hardware\n");
-		return -EINVAL;
-	}
-
-	if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
-		DRM_INFO("invalid flags: %d\n", args->flags);
-		return -EINVAL;
-	}
-
-	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
-		ret = v3d_get_extensions(file_priv, args->extensions, &se);
-		if (ret) {
-			DRM_DEBUG("Failed to get extensions.\n");
-			return ret;
-		}
-	}
-
-	ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
-			   v3d_job_free, args->in_sync, &se, V3D_CSD);
-	if (ret)
-		goto fail;
-
-	ret = v3d_job_init(v3d, file_priv, (void *)&clean_job, sizeof(*clean_job),
-			   v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
-	if (ret)
-		goto fail;
-
-	job->args = *args;
-
-	ret = v3d_lookup_bos(dev, file_priv, clean_job,
-			     args->bo_handles, args->bo_handle_count);
-	if (ret)
-		goto fail;
-
-	ret = v3d_lock_bo_reservations(clean_job, &acquire_ctx);
-	if (ret)
-		goto fail;
-
-	if (args->perfmon_id) {
-		job->base.perfmon = v3d_perfmon_find(v3d_priv,
-						     args->perfmon_id);
-		if (!job->base.perfmon) {
-			ret = -ENOENT;
-			goto fail_perfmon;
-		}
-	}
-
-	mutex_lock(&v3d->sched_lock);
-	v3d_push_job(&job->base);
-
-	ret = drm_sched_job_add_dependency(&clean_job->base,
-					   dma_fence_get(job->base.done_fence));
-	if (ret)
-		goto fail_unreserve;
-
-	v3d_push_job(clean_job);
-	mutex_unlock(&v3d->sched_lock);
-
-	v3d_attach_fences_and_unlock_reservation(file_priv,
-						 clean_job,
-						 &acquire_ctx,
-						 args->out_sync,
-						 &se,
-						 clean_job->done_fence);
-
-	v3d_job_put(&job->base);
-	v3d_job_put(clean_job);
-
-	return 0;
-
-fail_unreserve:
-	mutex_unlock(&v3d->sched_lock);
-fail_perfmon:
-	drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
-				    &acquire_ctx);
-fail:
-	v3d_job_cleanup((void *)job);
-	v3d_job_cleanup(clean_job);
-	v3d_put_multisync_post_deps(&se);
-
-	return ret;
-}
-
 int
 v3d_gem_init(struct drm_device *dev)
 {
diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c
new file mode 100644
index 000000000000..f36214002f37
--- /dev/null
+++ b/drivers/gpu/drm/v3d/v3d_submit.c
@@ -0,0 +1,744 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2014-2018 Broadcom
+ * Copyright (C) 2023 Raspberry Pi
+ */
+
+#include <drm/drm_syncobj.h>
+
+#include "v3d_drv.h"
+#include "v3d_regs.h"
+#include "v3d_trace.h"
+
+/* Takes the reservation lock on all the BOs being referenced, so that
+ * at queue submit time we can update the reservations.
+ *
+ * We don't lock the RCL the tile alloc/state BOs, or overflow memory
+ * (all of which are on exec->unref_list).  They're entirely private
+ * to v3d, so we don't attach dma-buf fences to them.
+ */
+static int
+v3d_lock_bo_reservations(struct v3d_job *job,
+			 struct ww_acquire_ctx *acquire_ctx)
+{
+	int i, ret;
+
+	ret = drm_gem_lock_reservations(job->bo, job->bo_count, acquire_ctx);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < job->bo_count; i++) {
+		ret = dma_resv_reserve_fences(job->bo[i]->resv, 1);
+		if (ret)
+			goto fail;
+
+		ret = drm_sched_job_add_implicit_dependencies(&job->base,
+							      job->bo[i], true);
+		if (ret)
+			goto fail;
+	}
+
+	return 0;
+
+fail:
+	drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
+	return ret;
+}
+
+/**
+ * v3d_lookup_bos() - Sets up job->bo[] with the GEM objects
+ * referenced by the job.
+ * @dev: DRM device
+ * @file_priv: DRM file for this fd
+ * @job: V3D job being set up
+ * @bo_handles: GEM handles
+ * @bo_count: Number of GEM handles passed in
+ *
+ * The command validator needs to reference BOs by their index within
+ * the submitted job's BO list.  This does the validation of the job's
+ * BO list and reference counting for the lifetime of the job.
+ *
+ * Note that this function doesn't need to unreference the BOs on
+ * failure, because that will happen at v3d_exec_cleanup() time.
+ */
+static int
+v3d_lookup_bos(struct drm_device *dev,
+	       struct drm_file *file_priv,
+	       struct v3d_job *job,
+	       u64 bo_handles,
+	       u32 bo_count)
+{
+	job->bo_count = bo_count;
+
+	if (!job->bo_count) {
+		/* See comment on bo_index for why we have to check
+		 * this.
+		 */
+		DRM_DEBUG("Rendering requires BOs\n");
+		return -EINVAL;
+	}
+
+	return drm_gem_objects_lookup(file_priv,
+				      (void __user *)(uintptr_t)bo_handles,
+				      job->bo_count, &job->bo);
+}
+
+static void
+v3d_job_free(struct kref *ref)
+{
+	struct v3d_job *job = container_of(ref, struct v3d_job, refcount);
+	int i;
+
+	if (job->bo) {
+		for (i = 0; i < job->bo_count; i++)
+			drm_gem_object_put(job->bo[i]);
+		kvfree(job->bo);
+	}
+
+	dma_fence_put(job->irq_fence);
+	dma_fence_put(job->done_fence);
+
+	if (job->perfmon)
+		v3d_perfmon_put(job->perfmon);
+
+	kfree(job);
+}
+
+static void
+v3d_render_job_free(struct kref *ref)
+{
+	struct v3d_render_job *job = container_of(ref, struct v3d_render_job,
+						  base.refcount);
+	struct v3d_bo *bo, *save;
+
+	list_for_each_entry_safe(bo, save, &job->unref_list, unref_head) {
+		drm_gem_object_put(&bo->base.base);
+	}
+
+	v3d_job_free(ref);
+}
+
+void v3d_job_cleanup(struct v3d_job *job)
+{
+	if (!job)
+		return;
+
+	drm_sched_job_cleanup(&job->base);
+	v3d_job_put(job);
+}
+
+void v3d_job_put(struct v3d_job *job)
+{
+	kref_put(&job->refcount, job->free);
+}
+
+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, struct v3d_submit_ext *se, enum v3d_queue queue)
+{
+	struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
+	struct v3d_job *job;
+	bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
+	int ret, i;
+
+	*container = kcalloc(1, size, GFP_KERNEL);
+	if (!*container) {
+		DRM_ERROR("Cannot allocate memory for v3d job.");
+		return -ENOMEM;
+	}
+
+	job = *container;
+	job->v3d = v3d;
+	job->free = free;
+	job->file = file_priv;
+
+	ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue],
+				 1, v3d_priv);
+	if (ret)
+		goto fail;
+
+	if (has_multisync) {
+		if (se->in_sync_count && se->wait_stage == queue) {
+			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;
+
+				if (copy_from_user(&in, handle++, sizeof(in))) {
+					ret = -EFAULT;
+					DRM_DEBUG("Failed to copy wait dep handle.\n");
+					goto fail_deps;
+				}
+				ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in.handle, 0);
+
+				// TODO: Investigate why this was filtered out for the IOCTL.
+				if (ret && ret != -ENOENT)
+					goto fail_deps;
+			}
+		}
+	} else {
+		ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in_sync, 0);
+
+		// TODO: Investigate why this was filtered out for the IOCTL.
+		if (ret && ret != -ENOENT)
+			goto fail_deps;
+	}
+
+	kref_init(&job->refcount);
+
+	return 0;
+
+fail_deps:
+	drm_sched_job_cleanup(&job->base);
+fail:
+	kfree(*container);
+	*container = NULL;
+
+	return ret;
+}
+
+static void
+v3d_push_job(struct v3d_job *job)
+{
+	drm_sched_job_arm(&job->base);
+
+	job->done_fence = dma_fence_get(&job->base.s_fence->finished);
+
+	/* put by scheduler job completion */
+	kref_get(&job->refcount);
+
+	drm_sched_entity_push_job(&job->base);
+}
+
+static void
+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;
+	bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
+	int i;
+
+	for (i = 0; i < job->bo_count; i++) {
+		/* XXX: Use shared fences for read-only objects. */
+		dma_resv_add_fence(job->bo[i]->resv, job->done_fence,
+				   DMA_RESV_USAGE_WRITE);
+	}
+
+	drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
+
+	/* Update the return sync object for the job */
+	/* If it only supports a single signal semaphore*/
+	if (!has_multisync) {
+		sync_out = drm_syncobj_find(file_priv, out_sync);
+		if (sync_out) {
+			drm_syncobj_replace_fence(sync_out, done_fence);
+			drm_syncobj_put(sync_out);
+		}
+		return;
+	}
+
+	/* If multiple semaphores extension is supported */
+	if (se->out_sync_count) {
+		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);
+	}
+}
+
+static void
+v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
+{
+	unsigned int i;
+
+	if (!(se && se->out_sync_count))
+		return;
+
+	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_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;
+
+	if (!count)
+		return 0;
+
+	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;
+
+		if (copy_from_user(&out, post_deps++, sizeof(out))) {
+			ret = -EFAULT;
+			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;
+
+	if (copy_from_user(&multisync, ext, sizeof(multisync)))
+		return -EFAULT;
+
+	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->flags |= DRM_V3D_EXT_ID_MULTI_SYNC;
+	se->wait_stage = multisync.wait_stage;
+
+	return 0;
+}
+
+/* Whenever userspace sets ioctl extensions, v3d_get_extensions parses data
+ * according to the extension id (name).
+ */
+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) {
+		struct drm_v3d_extension ext;
+
+		if (copy_from_user(&ext, user_ext, sizeof(ext))) {
+			DRM_DEBUG("Failed to copy submit extension\n");
+			return -EFAULT;
+		}
+
+		switch (ext.id) {
+		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;
+		}
+
+		user_ext = u64_to_user_ptr(ext.next);
+	}
+
+	return 0;
+}
+
+/**
+ * v3d_submit_cl_ioctl() - Submits a job (frame) to the V3D.
+ * @dev: DRM device
+ * @data: ioctl argument
+ * @file_priv: DRM file for this fd
+ *
+ * This is the main entrypoint for userspace to submit a 3D frame to
+ * the GPU.  Userspace provides the binner command list (if
+ * applicable), and the kernel sets up the render command list to draw
+ * to the framebuffer described in the ioctl, using the command lists
+ * that the 3D engine's binner will produce.
+ */
+int
+v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	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 = NULL;
+	struct v3d_job *clean_job = NULL;
+	struct v3d_job *last_job;
+	struct ww_acquire_ctx acquire_ctx;
+	int ret = 0;
+
+	trace_v3d_submit_cl_ioctl(&v3d->drm, args->rcl_start, args->rcl_end);
+
+	if (args->pad)
+		return -EINVAL;
+
+	if (args->flags &&
+	    args->flags & ~(DRM_V3D_SUBMIT_CL_FLUSH_CACHE |
+			    DRM_V3D_SUBMIT_EXTENSION)) {
+		DRM_INFO("invalid flags: %d\n", args->flags);
+		return -EINVAL;
+	}
+
+	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
+		ret = v3d_get_extensions(file_priv, args->extensions, &se);
+		if (ret) {
+			DRM_DEBUG("Failed to get extensions.\n");
+			return ret;
+		}
+	}
+
+	ret = v3d_job_init(v3d, file_priv, (void *)&render, sizeof(*render),
+			   v3d_render_job_free, args->in_sync_rcl, &se, V3D_RENDER);
+	if (ret)
+		goto fail;
+
+	render->start = args->rcl_start;
+	render->end = args->rcl_end;
+	INIT_LIST_HEAD(&render->unref_list);
+
+	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, &se, V3D_BIN);
+		if (ret)
+			goto fail;
+
+		bin->start = args->bcl_start;
+		bin->end = args->bcl_end;
+		bin->qma = args->qma;
+		bin->qms = args->qms;
+		bin->qts = args->qts;
+		bin->render = render;
+	}
+
+	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, NULL, V3D_CACHE_CLEAN);
+		if (ret)
+			goto fail;
+
+		last_job = clean_job;
+	} else {
+		last_job = &render->base;
+	}
+
+	ret = v3d_lookup_bos(dev, file_priv, last_job,
+			     args->bo_handles, args->bo_handle_count);
+	if (ret)
+		goto fail;
+
+	ret = v3d_lock_bo_reservations(last_job, &acquire_ctx);
+	if (ret)
+		goto fail;
+
+	if (args->perfmon_id) {
+		render->base.perfmon = v3d_perfmon_find(v3d_priv,
+							args->perfmon_id);
+
+		if (!render->base.perfmon) {
+			ret = -ENOENT;
+			goto fail_perfmon;
+		}
+	}
+
+	mutex_lock(&v3d->sched_lock);
+	if (bin) {
+		bin->base.perfmon = render->base.perfmon;
+		v3d_perfmon_get(bin->base.perfmon);
+		v3d_push_job(&bin->base);
+
+		ret = drm_sched_job_add_dependency(&render->base.base,
+						   dma_fence_get(bin->base.done_fence));
+		if (ret)
+			goto fail_unreserve;
+	}
+
+	v3d_push_job(&render->base);
+
+	if (clean_job) {
+		struct dma_fence *render_fence =
+			dma_fence_get(render->base.done_fence);
+		ret = drm_sched_job_add_dependency(&clean_job->base,
+						   render_fence);
+		if (ret)
+			goto fail_unreserve;
+		clean_job->perfmon = render->base.perfmon;
+		v3d_perfmon_get(clean_job->perfmon);
+		v3d_push_job(clean_job);
+	}
+
+	mutex_unlock(&v3d->sched_lock);
+
+	v3d_attach_fences_and_unlock_reservation(file_priv,
+						 last_job,
+						 &acquire_ctx,
+						 args->out_sync,
+						 &se,
+						 last_job->done_fence);
+
+	if (bin)
+		v3d_job_put(&bin->base);
+	v3d_job_put(&render->base);
+	if (clean_job)
+		v3d_job_put(clean_job);
+
+	return 0;
+
+fail_unreserve:
+	mutex_unlock(&v3d->sched_lock);
+fail_perfmon:
+	drm_gem_unlock_reservations(last_job->bo,
+				    last_job->bo_count, &acquire_ctx);
+fail:
+	v3d_job_cleanup((void *)bin);
+	v3d_job_cleanup((void *)render);
+	v3d_job_cleanup(clean_job);
+	v3d_put_multisync_post_deps(&se);
+
+	return ret;
+}
+
+/**
+ * v3d_submit_tfu_ioctl() - Submits a TFU (texture formatting) job to the V3D.
+ * @dev: DRM device
+ * @data: ioctl argument
+ * @file_priv: DRM file for this fd
+ *
+ * Userspace provides the register setup for the TFU, which we don't
+ * need to validate since the TFU is behind the MMU.
+ */
+int
+v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
+		     struct drm_file *file_priv)
+{
+	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 = NULL;
+	struct ww_acquire_ctx acquire_ctx;
+	int ret = 0;
+
+	trace_v3d_submit_tfu_ioctl(&v3d->drm, args->iia);
+
+	if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
+		DRM_DEBUG("invalid flags: %d\n", args->flags);
+		return -EINVAL;
+	}
+
+	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
+		ret = v3d_get_extensions(file_priv, args->extensions, &se);
+		if (ret) {
+			DRM_DEBUG("Failed to get extensions.\n");
+			return ret;
+		}
+	}
+
+	ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
+			   v3d_job_free, args->in_sync, &se, V3D_TFU);
+	if (ret)
+		goto fail;
+
+	job->base.bo = kcalloc(ARRAY_SIZE(args->bo_handles),
+			       sizeof(*job->base.bo), GFP_KERNEL);
+	if (!job->base.bo) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	job->args = *args;
+
+	for (job->base.bo_count = 0;
+	     job->base.bo_count < ARRAY_SIZE(args->bo_handles);
+	     job->base.bo_count++) {
+		struct drm_gem_object *bo;
+
+		if (!args->bo_handles[job->base.bo_count])
+			break;
+
+		bo = drm_gem_object_lookup(file_priv, args->bo_handles[job->base.bo_count]);
+		if (!bo) {
+			DRM_DEBUG("Failed to look up GEM BO %d: %d\n",
+				  job->base.bo_count,
+				  args->bo_handles[job->base.bo_count]);
+			ret = -ENOENT;
+			goto fail;
+		}
+		job->base.bo[job->base.bo_count] = bo;
+	}
+
+	ret = v3d_lock_bo_reservations(&job->base, &acquire_ctx);
+	if (ret)
+		goto fail;
+
+	mutex_lock(&v3d->sched_lock);
+	v3d_push_job(&job->base);
+	mutex_unlock(&v3d->sched_lock);
+
+	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);
+
+	return 0;
+
+fail:
+	v3d_job_cleanup((void *)job);
+	v3d_put_multisync_post_deps(&se);
+
+	return ret;
+}
+
+/**
+ * v3d_submit_csd_ioctl() - Submits a CSD (compute shader) job to the V3D.
+ * @dev: DRM device
+ * @data: ioctl argument
+ * @file_priv: DRM file for this fd
+ *
+ * Userspace provides the register setup for the CSD, which we don't
+ * need to validate since the CSD is behind the MMU.
+ */
+int
+v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
+		     struct drm_file *file_priv)
+{
+	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 = NULL;
+	struct v3d_job *clean_job = NULL;
+	struct ww_acquire_ctx acquire_ctx;
+	int ret;
+
+	trace_v3d_submit_csd_ioctl(&v3d->drm, args->cfg[5], args->cfg[6]);
+
+	if (args->pad)
+		return -EINVAL;
+
+	if (!v3d_has_csd(v3d)) {
+		DRM_DEBUG("Attempting CSD submit on non-CSD hardware\n");
+		return -EINVAL;
+	}
+
+	if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
+		DRM_INFO("invalid flags: %d\n", args->flags);
+		return -EINVAL;
+	}
+
+	if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
+		ret = v3d_get_extensions(file_priv, args->extensions, &se);
+		if (ret) {
+			DRM_DEBUG("Failed to get extensions.\n");
+			return ret;
+		}
+	}
+
+	ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
+			   v3d_job_free, args->in_sync, &se, V3D_CSD);
+	if (ret)
+		goto fail;
+
+	ret = v3d_job_init(v3d, file_priv, (void *)&clean_job, sizeof(*clean_job),
+			   v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
+	if (ret)
+		goto fail;
+
+	job->args = *args;
+
+	ret = v3d_lookup_bos(dev, file_priv, clean_job,
+			     args->bo_handles, args->bo_handle_count);
+	if (ret)
+		goto fail;
+
+	ret = v3d_lock_bo_reservations(clean_job, &acquire_ctx);
+	if (ret)
+		goto fail;
+
+	if (args->perfmon_id) {
+		job->base.perfmon = v3d_perfmon_find(v3d_priv,
+						     args->perfmon_id);
+		if (!job->base.perfmon) {
+			ret = -ENOENT;
+			goto fail_perfmon;
+		}
+	}
+
+	mutex_lock(&v3d->sched_lock);
+	v3d_push_job(&job->base);
+
+	ret = drm_sched_job_add_dependency(&clean_job->base,
+					   dma_fence_get(job->base.done_fence));
+	if (ret)
+		goto fail_unreserve;
+
+	v3d_push_job(clean_job);
+	mutex_unlock(&v3d->sched_lock);
+
+	v3d_attach_fences_and_unlock_reservation(file_priv,
+						 clean_job,
+						 &acquire_ctx,
+						 args->out_sync,
+						 &se,
+						 clean_job->done_fence);
+
+	v3d_job_put(&job->base);
+	v3d_job_put(clean_job);
+
+	return 0;
+
+fail_unreserve:
+	mutex_unlock(&v3d->sched_lock);
+fail_perfmon:
+	drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
+				    &acquire_ctx);
+fail:
+	v3d_job_cleanup((void *)job);
+	v3d_job_cleanup(clean_job);
+	v3d_put_multisync_post_deps(&se);
+
+	return ret;
+}