[Intel-gfx] [PATCH v4 08/18] drm/v3d: Move drm_sched_job_init to v3d_job_init

Melissa Wen mwen at igalia.com
Wed Jul 14 09:34:46 UTC 2021


On 07/12, Daniel Vetter wrote:
> Prep work for using the scheduler dependency handling. We need to call
> drm_sched_job_init earlier so we can use the new drm_sched_job_await*
> functions for dependency handling here.
> 
> v2: Slightly better commit message and rebase to include the
> drm_sched_job_arm() call (Emma).
> 
> v3: Cleanup jobs under construction correctly (Emma)
> 
> Cc: Melissa Wen <melissa.srw at gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Emma Anholt <emma at anholt.net>
> ---
>  drivers/gpu/drm/v3d/v3d_drv.h   |  1 +
>  drivers/gpu/drm/v3d/v3d_gem.c   | 88 ++++++++++++++-------------------
>  drivers/gpu/drm/v3d/v3d_sched.c | 15 +++---
>  3 files changed, 44 insertions(+), 60 deletions(-)
> 
> diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
> index 8a390738d65b..1d870261eaac 100644
> --- a/drivers/gpu/drm/v3d/v3d_drv.h
> +++ b/drivers/gpu/drm/v3d/v3d_drv.h
> @@ -332,6 +332,7 @@ int v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
>  			 struct drm_file *file_priv);
>  int v3d_wait_bo_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);
> diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
> index 69ac20e11b09..5eccd3658938 100644
> --- a/drivers/gpu/drm/v3d/v3d_gem.c
> +++ b/drivers/gpu/drm/v3d/v3d_gem.c
> @@ -392,6 +392,12 @@ v3d_render_job_free(struct kref *ref)
>  	v3d_job_free(ref);
>  }
>  
> +void v3d_job_cleanup(struct v3d_job *job)
> +{
> +	drm_sched_job_cleanup(&job->base);
> +	v3d_job_put(job);
> +}
> +
>  void v3d_job_put(struct v3d_job *job)
>  {
>  	kref_put(&job->refcount, job->free);
> @@ -433,9 +439,10 @@ v3d_wait_bo_ioctl(struct drm_device *dev, void *data,
>  static int
>  v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
>  	     struct v3d_job *job, void (*free)(struct kref *ref),
> -	     u32 in_sync)
> +	     u32 in_sync, enum v3d_queue queue)
>  {
>  	struct dma_fence *in_fence = NULL;
> +	struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
>  	int ret;
>  
>  	job->v3d = v3d;
> @@ -446,35 +453,33 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
>  		return ret;
>  
>  	xa_init_flags(&job->deps, XA_FLAGS_ALLOC);
> +	ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue],
> +				 v3d_priv);
> +	if (ret)
> +		goto fail;
>  
>  	ret = drm_syncobj_find_fence(file_priv, in_sync, 0, 0, &in_fence);
>  	if (ret == -EINVAL)
> -		goto fail;
> +		goto fail_job;
>  
>  	ret = drm_gem_fence_array_add(&job->deps, in_fence);
>  	if (ret)
> -		goto fail;
> +		goto fail_job;
>  
>  	kref_init(&job->refcount);
>  
>  	return 0;
> +fail_job:
> +	drm_sched_job_cleanup(&job->base);
>  fail:
>  	xa_destroy(&job->deps);
>  	pm_runtime_put_autosuspend(v3d->drm.dev);
>  	return ret;
>  }
>  
> -static int
> -v3d_push_job(struct v3d_file_priv *v3d_priv,
> -	     struct v3d_job *job, enum v3d_queue queue)
> +static void
> +v3d_push_job(struct v3d_job *job)
>  {
> -	int ret;
> -
> -	ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue],
> -				 v3d_priv);
> -	if (ret)
> -		return ret;
> -
>  	drm_sched_job_arm(&job->base);
>  
>  	job->done_fence = dma_fence_get(&job->base.s_fence->finished);
> @@ -483,8 +488,6 @@ v3d_push_job(struct v3d_file_priv *v3d_priv,
>  	kref_get(&job->refcount);
>  
>  	drm_sched_entity_push_job(&job->base);
> -
> -	return 0;
>  }
>  
>  static void
> @@ -530,7 +533,6 @@ 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_bin_job *bin = NULL;
>  	struct v3d_render_job *render;
> @@ -556,7 +558,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  	INIT_LIST_HEAD(&render->unref_list);
>  
>  	ret = v3d_job_init(v3d, file_priv, &render->base,
> -			   v3d_render_job_free, args->in_sync_rcl);
> +			   v3d_render_job_free, args->in_sync_rcl, V3D_RENDER);
>  	if (ret) {
>  		kfree(render);
>  		return ret;
> @@ -570,7 +572,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  		}
>  
>  		ret = v3d_job_init(v3d, file_priv, &bin->base,
> -				   v3d_job_free, args->in_sync_bcl);
> +				   v3d_job_free, args->in_sync_bcl, V3D_BIN);
>  		if (ret) {
>  			v3d_job_put(&render->base);
>  			kfree(bin);
> @@ -592,7 +594,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  			goto fail;
>  		}
>  
> -		ret = v3d_job_init(v3d, file_priv, clean_job, v3d_job_free, 0);
> +		ret = v3d_job_init(v3d, file_priv, clean_job, v3d_job_free, 0, V3D_CACHE_CLEAN);
>  		if (ret) {
>  			kfree(clean_job);
>  			clean_job = NULL;
> @@ -615,9 +617,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  
>  	mutex_lock(&v3d->sched_lock);
>  	if (bin) {
> -		ret = v3d_push_job(v3d_priv, &bin->base, V3D_BIN);
> -		if (ret)
> -			goto fail_unreserve;
> +		v3d_push_job(&bin->base);
>  
>  		ret = drm_gem_fence_array_add(&render->base.deps,
>  					      dma_fence_get(bin->base.done_fence));
> @@ -625,9 +625,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  			goto fail_unreserve;
>  	}
>  
> -	ret = v3d_push_job(v3d_priv, &render->base, V3D_RENDER);
> -	if (ret)
> -		goto fail_unreserve;
> +	v3d_push_job(&render->base);
>  
>  	if (clean_job) {
>  		struct dma_fence *render_fence =
> @@ -635,9 +633,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  		ret = drm_gem_fence_array_add(&clean_job->deps, render_fence);
>  		if (ret)
>  			goto fail_unreserve;
> -		ret = v3d_push_job(v3d_priv, clean_job, V3D_CACHE_CLEAN);
> -		if (ret)
> -			goto fail_unreserve;
> +		v3d_push_job(clean_job);
>  	}
>  
>  	mutex_unlock(&v3d->sched_lock);
> @@ -662,10 +658,10 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
>  				    last_job->bo_count, &acquire_ctx);
>  fail:
>  	if (bin)
> -		v3d_job_put(&bin->base);
> -	v3d_job_put(&render->base);
> +		v3d_job_cleanup(&bin->base);
> +	v3d_job_cleanup(&render->base);
>  	if (clean_job)
> -		v3d_job_put(clean_job);
> +		v3d_job_cleanup(clean_job);
>  
>  	return ret;
>  }
> @@ -684,7 +680,6 @@ v3d_submit_tfu_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_tfu *args = data;
>  	struct v3d_tfu_job *job;
>  	struct ww_acquire_ctx acquire_ctx;
> @@ -697,7 +692,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
>  		return -ENOMEM;
>  
>  	ret = v3d_job_init(v3d, file_priv, &job->base,
> -			   v3d_job_free, args->in_sync);
> +			   v3d_job_free, args->in_sync, V3D_TFU);
>  	if (ret) {
>  		kfree(job);
>  		return ret;
> @@ -741,9 +736,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
>  		goto fail;
>  
>  	mutex_lock(&v3d->sched_lock);
> -	ret = v3d_push_job(v3d_priv, &job->base, V3D_TFU);
> -	if (ret)
> -		goto fail_unreserve;
> +	v3d_push_job(&job->base);
>  	mutex_unlock(&v3d->sched_lock);
>  
>  	v3d_attach_fences_and_unlock_reservation(file_priv,
> @@ -755,12 +748,8 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
>  
>  	return 0;
>  
> -fail_unreserve:
> -	mutex_unlock(&v3d->sched_lock);
> -	drm_gem_unlock_reservations(job->base.bo, job->base.bo_count,
> -				    &acquire_ctx);
>  fail:
> -	v3d_job_put(&job->base);
> +	v3d_job_cleanup(&job->base);
>  
>  	return ret;
>  }
> @@ -779,7 +768,6 @@ 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_csd_job *job;
>  	struct v3d_job *clean_job;
> @@ -798,7 +786,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
>  		return -ENOMEM;
>  
>  	ret = v3d_job_init(v3d, file_priv, &job->base,
> -			   v3d_job_free, args->in_sync);
> +			   v3d_job_free, args->in_sync, V3D_CSD);
>  	if (ret) {
>  		kfree(job);
>  		return ret;
> @@ -811,7 +799,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
>  		return -ENOMEM;
>  	}
>  
> -	ret = v3d_job_init(v3d, file_priv, clean_job, v3d_job_free, 0);
> +	ret = v3d_job_init(v3d, file_priv, clean_job, v3d_job_free, 0, V3D_CACHE_CLEAN);
>  	if (ret) {
>  		v3d_job_put(&job->base);
>  		kfree(clean_job);
> @@ -830,18 +818,14 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
>  		goto fail;
>  
>  	mutex_lock(&v3d->sched_lock);
> -	ret = v3d_push_job(v3d_priv, &job->base, V3D_CSD);
> -	if (ret)
> -		goto fail_unreserve;
> +	v3d_push_job(&job->base);
>  
>  	ret = drm_gem_fence_array_add(&clean_job->deps,
>  				      dma_fence_get(job->base.done_fence));
>  	if (ret)
>  		goto fail_unreserve;
>  
> -	ret = v3d_push_job(v3d_priv, clean_job, V3D_CACHE_CLEAN);
> -	if (ret)
> -		goto fail_unreserve;
> +	v3d_push_job(clean_job);
>  	mutex_unlock(&v3d->sched_lock);
>  
>  	v3d_attach_fences_and_unlock_reservation(file_priv,
> @@ -860,8 +844,8 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
>  	drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
>  				    &acquire_ctx);
>  fail:
> -	v3d_job_put(&job->base);
> -	v3d_job_put(clean_job);
> +	v3d_job_cleanup(&job->base);
> +	v3d_job_cleanup(clean_job);
>  
>  	return ret;
>  }
> diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
> index a39bdd5cfc4f..3f352d73af9c 100644
> --- a/drivers/gpu/drm/v3d/v3d_sched.c
> +++ b/drivers/gpu/drm/v3d/v3d_sched.c
> @@ -55,12 +55,11 @@ to_csd_job(struct drm_sched_job *sched_job)
>  }
>  
>  static void
> -v3d_job_free(struct drm_sched_job *sched_job)
> +v3d_sched_job_free(struct drm_sched_job *sched_job)
>  {
>  	struct v3d_job *job = to_v3d_job(sched_job);
>  
> -	drm_sched_job_cleanup(sched_job);
> -	v3d_job_put(job);
> +	v3d_job_cleanup(job);
>  }
>  
>  /*
> @@ -360,35 +359,35 @@ static const struct drm_sched_backend_ops v3d_bin_sched_ops = {
>  	.dependency = v3d_job_dependency,
>  	.run_job = v3d_bin_job_run,
>  	.timedout_job = v3d_bin_job_timedout,
> -	.free_job = v3d_job_free,
> +	.free_job = v3d_sched_job_free,
>  };
>  
>  static const struct drm_sched_backend_ops v3d_render_sched_ops = {
>  	.dependency = v3d_job_dependency,
>  	.run_job = v3d_render_job_run,
>  	.timedout_job = v3d_render_job_timedout,
> -	.free_job = v3d_job_free,
> +	.free_job = v3d_sched_job_free,
>  };
>  
>  static const struct drm_sched_backend_ops v3d_tfu_sched_ops = {
>  	.dependency = v3d_job_dependency,
>  	.run_job = v3d_tfu_job_run,
>  	.timedout_job = v3d_generic_job_timedout,
> -	.free_job = v3d_job_free,
> +	.free_job = v3d_sched_job_free,
>  };
>  
>  static const struct drm_sched_backend_ops v3d_csd_sched_ops = {
>  	.dependency = v3d_job_dependency,
>  	.run_job = v3d_csd_job_run,
>  	.timedout_job = v3d_csd_job_timedout,
> -	.free_job = v3d_job_free
> +	.free_job = v3d_sched_job_free
>  };
>  
>  static const struct drm_sched_backend_ops v3d_cache_clean_sched_ops = {
>  	.dependency = v3d_job_dependency,
>  	.run_job = v3d_cache_clean_job_run,
>  	.timedout_job = v3d_generic_job_timedout,
> -	.free_job = v3d_job_free
> +	.free_job = v3d_sched_job_free
>  };
Hi Daniel,

lgtm too.

Reviewed-by: Melissa Wen <mwen at igalia.com>

Thanks,
Melissa
>  
>  int
> -- 
> 2.32.0
> 
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