Re: [PATCH] drm/sched: Add device pointer to drm_gpu_scheduler

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Am 21.02.22 um 10:57 schrieb Jiawei Gu:
Add device pointer so scheduler's printing can use
DRM_DEV_ERROR() instead, which makes life easier under multiple GPU
scenario.

v2: amend all calls of drm_sched_init()
v3: fill dev pointer for all drm_sched_init() calls

Signed-off-by: Jiawei Gu <Jiawei.Gu@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

When Andrey is fine with that as well I think the best approach is to push this upstream through drm-misc-next since it touches multiple drivers.

We can merge it into the DKMS branch as well if necessary.

Regards,
Christian

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c |  2 +-
  drivers/gpu/drm/etnaviv/etnaviv_sched.c   |  2 +-
  drivers/gpu/drm/lima/lima_sched.c         |  2 +-
  drivers/gpu/drm/panfrost/panfrost_job.c   |  2 +-
  drivers/gpu/drm/scheduler/sched_main.c    |  9 +++++----
  drivers/gpu/drm/v3d/v3d_sched.c           | 10 +++++-----
  include/drm/gpu_scheduler.h               |  3 ++-
  7 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 45977a72b5dd..cd2d594d4ffc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -502,7 +502,7 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
  			   num_hw_submission, amdgpu_job_hang_limit,
-			   timeout, NULL, sched_score, ring->name);
+			   timeout, NULL, sched_score, ring->name, adev->dev);
  	if (r) {
  		DRM_ERROR("Failed to create scheduler on ring %s.\n",
  			  ring->name);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
index 58f593b278c1..35e5ef7dbdcc 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -195,7 +195,7 @@ int etnaviv_sched_init(struct etnaviv_gpu *gpu)
  	ret = drm_sched_init(&gpu->sched, &etnaviv_sched_ops,
  			     etnaviv_hw_jobs_limit, etnaviv_job_hang_limit,
  			     msecs_to_jiffies(500), NULL, NULL,
-			     dev_name(gpu->dev));
+			     dev_name(gpu->dev), gpu->dev);
  	if (ret)
  		return ret;
diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c
index 5612d73f238f..8d517c8880e3 100644
--- a/drivers/gpu/drm/lima/lima_sched.c
+++ b/drivers/gpu/drm/lima/lima_sched.c
@@ -490,7 +490,7 @@ int lima_sched_pipe_init(struct lima_sched_pipe *pipe, const char *name)
  	return drm_sched_init(&pipe->base, &lima_sched_ops, 1,
  			      lima_job_hang_limit,
  			      msecs_to_jiffies(timeout), NULL,
-			      NULL, name);
+			      NULL, name, pipe->ldev->dev);
  }
void lima_sched_pipe_fini(struct lima_sched_pipe *pipe)
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index 908d79520853..a6925dbb6224 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -812,7 +812,7 @@ int panfrost_job_init(struct panfrost_device *pfdev)
  				     nentries, 0,
  				     msecs_to_jiffies(JOB_TIMEOUT_MS),
  				     pfdev->reset.wq,
-				     NULL, "pan_js");
+				     NULL, "pan_js", pfdev->dev);
  		if (ret) {
  			dev_err(pfdev->dev, "Failed to create scheduler: %d.", ret);
  			goto err_sched;
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index f91fb31ab7a7..b81fceb0b8a2 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -491,7 +491,7 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery)
  			if (r == -ENOENT)
  				drm_sched_job_done(s_job);
  			else if (r)
-				DRM_ERROR("fence add callback failed (%d)\n",
+				DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n",
  					  r);
  		} else
  			drm_sched_job_done(s_job);
@@ -957,7 +957,7 @@ static int drm_sched_main(void *param)
  			if (r == -ENOENT)
  				drm_sched_job_done(sched_job);
  			else if (r)
-				DRM_ERROR("fence add callback failed (%d)\n",
+				DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n",
  					  r);
  			dma_fence_put(fence);
  		} else {
@@ -991,7 +991,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
  		   const struct drm_sched_backend_ops *ops,
  		   unsigned hw_submission, unsigned hang_limit,
  		   long timeout, struct workqueue_struct *timeout_wq,
-		   atomic_t *score, const char *name)
+		   atomic_t *score, const char *name, struct device *dev)
  {
  	int i, ret;
  	sched->ops = ops;
@@ -1001,6 +1001,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
  	sched->timeout_wq = timeout_wq ? : system_wq;
  	sched->hang_limit = hang_limit;
  	sched->score = score ? score : &sched->_score;
+	sched->dev = dev;
  	for (i = DRM_SCHED_PRIORITY_MIN; i < DRM_SCHED_PRIORITY_COUNT; i++)
  		drm_sched_rq_init(sched, &sched->sched_rq[i]);
@@ -1018,7 +1019,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
  	if (IS_ERR(sched->thread)) {
  		ret = PTR_ERR(sched->thread);
  		sched->thread = NULL;
-		DRM_ERROR("Failed to create scheduler for %s.\n", name);
+		DRM_DEV_ERROR(sched->dev, "Failed to create scheduler for %s.\n", name);
  		return ret;
  	}
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index e0cb7d0697a7..080710fd8eb7 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -391,7 +391,7 @@ v3d_sched_init(struct v3d_dev *v3d)
  			     &v3d_bin_sched_ops,
  			     hw_jobs_limit, job_hang_limit,
  			     msecs_to_jiffies(hang_limit_ms), NULL,
-			     NULL, "v3d_bin");
+			     NULL, "v3d_bin", &(v3d_to_pdev(v3d)->dev));
  	if (ret) {
  		dev_err(v3d->drm.dev, "Failed to create bin scheduler: %d.", ret);
  		return ret;
@@ -401,7 +401,7 @@ v3d_sched_init(struct v3d_dev *v3d)
  			     &v3d_render_sched_ops,
  			     hw_jobs_limit, job_hang_limit,
  			     msecs_to_jiffies(hang_limit_ms), NULL,
-			     NULL, "v3d_render");
+			     NULL, "v3d_render", &(v3d_to_pdev(v3d)->dev));
  	if (ret) {
  		dev_err(v3d->drm.dev, "Failed to create render scheduler: %d.",
  			ret);
@@ -413,7 +413,7 @@ v3d_sched_init(struct v3d_dev *v3d)
  			     &v3d_tfu_sched_ops,
  			     hw_jobs_limit, job_hang_limit,
  			     msecs_to_jiffies(hang_limit_ms), NULL,
-			     NULL, "v3d_tfu");
+			     NULL, "v3d_tfu", &(v3d_to_pdev(v3d)->dev));
  	if (ret) {
  		dev_err(v3d->drm.dev, "Failed to create TFU scheduler: %d.",
  			ret);
@@ -426,7 +426,7 @@ v3d_sched_init(struct v3d_dev *v3d)
  				     &v3d_csd_sched_ops,
  				     hw_jobs_limit, job_hang_limit,
  				     msecs_to_jiffies(hang_limit_ms), NULL,
-				     NULL, "v3d_csd");
+				     NULL, "v3d_csd", &(v3d_to_pdev(v3d)->dev));
  		if (ret) {
  			dev_err(v3d->drm.dev, "Failed to create CSD scheduler: %d.",
  				ret);
@@ -438,7 +438,7 @@ v3d_sched_init(struct v3d_dev *v3d)
  				     &v3d_cache_clean_sched_ops,
  				     hw_jobs_limit, job_hang_limit,
  				     msecs_to_jiffies(hang_limit_ms), NULL,
-				     NULL, "v3d_cache_clean");
+				     NULL, "v3d_cache_clean", &(v3d_to_pdev(v3d)->dev));
  		if (ret) {
  			dev_err(v3d->drm.dev, "Failed to create CACHE_CLEAN scheduler: %d.",
  				ret);
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index bbc22fad8d80..944f83ef9f2e 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -457,13 +457,14 @@ struct drm_gpu_scheduler {
  	atomic_t                        _score;
  	bool				ready;
  	bool				free_guilty;
+	struct device			*dev;
  };
int drm_sched_init(struct drm_gpu_scheduler *sched,
  		   const struct drm_sched_backend_ops *ops,
  		   uint32_t hw_submission, unsigned hang_limit,
  		   long timeout, struct workqueue_struct *timeout_wq,
-		   atomic_t *score, const char *name);
+		   atomic_t *score, const char *name, struct device *dev);
void drm_sched_fini(struct drm_gpu_scheduler *sched);
  int drm_sched_job_init(struct drm_sched_job *job,




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