linux-kernel - [PATCH] drm/scheduler: quieten kernel-doc warnings

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Date:   Sun,  3 Apr 2022 21:25:09 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Andrey Grodzovsky <andrey.grodzovsky@....com>,
        Nayan Deshmukh <nayan26deshmukh@...il.com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Jiawei Gu <Jiawei.Gu@....com>, dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm/scheduler: quieten kernel-doc warnings

Fix kernel-doc warnings in gpu_scheduler.h and sched_main.c.

Quashes these warnings:

include/drm/gpu_scheduler.h:316: warning: Function parameter or member 'work' not described in 'drm_sched_job'
include/drm/gpu_scheduler.h:332: warning: missing initial short description on line:
 * struct drm_sched_backend_ops
include/drm/gpu_scheduler.h:412: warning: missing initial short description on line:
 * struct drm_gpu_scheduler

include/drm/gpu_scheduler.h:461: warning: Function parameter or member 'dev' not described in 'drm_gpu_scheduler'
drivers/gpu/drm/scheduler/sched_main.c:201: warning: missing initial short description on line:
 * drm_sched_dependency_optimized
drivers/gpu/drm/scheduler/sched_main.c:995: warning: Function parameter or member 'dev' not described in 'drm_sched_init'

Fixes: 2d33948e4e00 ("drm/scheduler: add documentation")
Fixes: 8ab62eda177b ("drm/sched: Add device pointer to drm_gpu_scheduler")
Fixes: 542cff7893a3 ("drm/sched: Avoid lockdep spalt on killing a processes")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: Andrey Grodzovsky <andrey.grodzovsky@....com>
Cc: Nayan Deshmukh <nayan26deshmukh@...il.com>
Cc: Alex Deucher <alexander.deucher@....com>
Cc: Christian König <christian.koenig@....com>
Cc: Jiawei Gu <Jiawei.Gu@....com>
Cc: dri-devel@...ts.freedesktop.org
---
Feel free to make changes or suggest changes...

 drivers/gpu/drm/scheduler/sched_main.c |    3 ++-
 include/drm/gpu_scheduler.h            |   10 ++++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

--- linux-next-20220401.orig/drivers/gpu/drm/scheduler/sched_main.c
+++ linux-next-20220401/drivers/gpu/drm/scheduler/sched_main.c
@@ -198,7 +198,7 @@ static void drm_sched_job_done_cb(struct
 }
 
 /**
- * drm_sched_dependency_optimized
+ * drm_sched_dependency_optimized - test if the dependency can be optimized
  *
  * @fence: the dependency fence
  * @entity: the entity which depends on the above fence
@@ -984,6 +984,7 @@ static int drm_sched_main(void *param)
  *		used
  * @score: optional score atomic shared with other schedulers
  * @name: name used for debugging
+ * @dev: target &struct device
  *
  * Return 0 on success, otherwise error code.
  */
--- linux-next-20220401.orig/include/drm/gpu_scheduler.h
+++ linux-next-20220401/include/drm/gpu_scheduler.h
@@ -270,6 +270,7 @@ struct drm_sched_fence *to_drm_sched_fen
  * @sched: the scheduler instance on which this job is scheduled.
  * @s_fence: contains the fences for the scheduling of job.
  * @finish_cb: the callback for the finished fence.
+ * @work: scheduler work queue
  * @id: a unique id assigned to each job scheduled on the scheduler.
  * @karma: increment on every hang caused by this job. If this exceeds the hang
  *         limit of the scheduler then the job is marked guilty and will not
@@ -328,10 +329,10 @@ enum drm_gpu_sched_stat {
 };
 
 /**
- * struct drm_sched_backend_ops
+ * struct drm_sched_backend_ops - Define the backend operations
+ *	called by the scheduler
  *
- * Define the backend operations called by the scheduler,
- * these functions should be implemented in driver side.
+ * These functions should be implemented in the driver side.
  */
 struct drm_sched_backend_ops {
 	/**
@@ -408,7 +409,7 @@ struct drm_sched_backend_ops {
 };
 
 /**
- * struct drm_gpu_scheduler
+ * struct drm_gpu_scheduler - scheduler instance-specific data
  *
  * @ops: backend operations provided by the driver.
  * @hw_submission_limit: the max size of the hardware queue.
@@ -434,6 +435,7 @@ struct drm_sched_backend_ops {
  * @_score: score used when the driver doesn't provide one
  * @ready: marks if the underlying HW is ready to work
  * @free_guilty: A hit to time out handler to free the guilty job.
+ * @dev: system &struct device
  *
  * One scheduler is implemented for each hardware ring.
  */