[PATCH 6/7] drm/xe: Change xe_engine_snapshot_capture_for_job to be for_queue

Dong, Zhanjun zhanjun.dong at intel.com
Mon Nov 11 22:15:16 UTC 2024


On 2024-11-08 12:43 p.m., Matthew Brost wrote:
> Add job may unavailable at capture time (e.g., LR mode) while an exec
> queue is. Change xe_engine_snapshot_capture_for_job to take a queue
> argument and rename to xe_engine_snapshot_capture_for_queue.
> 
> Cc: Zhanjun Dong <zhanjun.dong at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: Matthew Brost <matthew.brost at intel.com>
> ---
>   drivers/gpu/drm/xe/xe_devcoredump.c |  3 +--
>   drivers/gpu/drm/xe/xe_guc_capture.c | 28 +++++++++++++---------------
>   drivers/gpu/drm/xe/xe_guc_capture.h |  6 +++---
>   drivers/gpu/drm/xe/xe_guc_submit.c  |  4 ++--
>   drivers/gpu/drm/xe/xe_hw_engine.c   |  8 ++++----
>   drivers/gpu/drm/xe/xe_hw_engine.h   |  4 ++--
>   6 files changed, 25 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c
> index c32cbb46ef8c..dfa946a3793c 100644
> --- a/drivers/gpu/drm/xe/xe_devcoredump.c
> +++ b/drivers/gpu/drm/xe/xe_devcoredump.c
> @@ -282,8 +282,7 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump,
>   		ss->job = xe_sched_job_snapshot_capture(job);
>   	ss->vm = xe_vm_snapshot_capture(q->vm);
>   
> -	if (job)
> -		xe_engine_snapshot_capture_for_job(job);
> +	xe_engine_snapshot_capture_for_queue(q);
>   
>   	queue_work(system_unbound_wq, &ss->work);
>   
> diff --git a/drivers/gpu/drm/xe/xe_guc_capture.c b/drivers/gpu/drm/xe/xe_guc_capture.c
> index cc72446a5de1..511a8e40d521 100644
> --- a/drivers/gpu/drm/xe/xe_guc_capture.c
> +++ b/drivers/gpu/drm/xe/xe_guc_capture.c
> @@ -1793,29 +1793,27 @@ void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct drm
>   }
>   
>   /**
> - * xe_guc_capture_get_matching_and_lock - Matching GuC capture for the job.
> - * @job: The job object.
> + * xe_guc_capture_get_matching_and_lock - Matching GuC capture for the queue.
> + * @q: The exec queue object
>    *
> - * Search within the capture outlist for the job, could be used for check if
> - * GuC capture is ready for the job.
> + * Search within the capture outlist for the queue, could be used for check if
> + * GuC capture is ready for the queue.
>    * If found, the locked boolean of the node will be flagged.
>    *
>    * Returns: found guc-capture node ptr else NULL
>    */
>   struct __guc_capture_parsed_output *
> -xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job)
> +xe_guc_capture_get_matching_and_lock(struct xe_exec_queue *q)
>   {
>   	struct xe_hw_engine *hwe;
>   	enum xe_hw_engine_id id;
> -	struct xe_exec_queue *q;
>   	struct xe_device *xe;
>   	u16 guc_class = GUC_LAST_ENGINE_CLASS + 1;
>   	struct xe_devcoredump_snapshot *ss;
>   
> -	if (!job)
> +	if (!q)
unneccessary, there is !q check 2 lines below.

>   		return NULL;
>   
> -	q = job->q;
>   	if (!q || !q->gt)
>   		return NULL;
>   
> @@ -1827,7 +1825,7 @@ xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job)
>   	if (ss->matched_node && ss->matched_node->source == XE_ENGINE_CAPTURE_SOURCE_GUC)
>   		return ss->matched_node;
>   
> -	/* Find hwe for the job */
> +	/* Find hwe for the queue */
>   	for_each_hw_engine(hwe, q->gt, id) {
>   		if (hwe != q->hwe)
>   			continue;
> @@ -1859,17 +1857,16 @@ xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job)
>   }
>   
>   /**
> - * xe_engine_snapshot_capture_for_job - Take snapshot of associated engine
> - * @job: The job object
> + * xe_engine_snapshot_capture_for_queue - Take snapshot of associated engine
> + * @q: The exec queue object
>    *
>    * Take snapshot of associated HW Engine
>    *
>    * Returns: None.
>    */
>   void
> -xe_engine_snapshot_capture_for_job(struct xe_sched_job *job)
> +xe_engine_snapshot_capture_for_queue(struct xe_exec_queue *q)
>   {
> -	struct xe_exec_queue *q = job->q;
>   	struct xe_device *xe = gt_to_xe(q->gt);
>   	struct xe_devcoredump *coredump = &xe->devcoredump;
>   	struct xe_hw_engine *hwe;
> @@ -1887,11 +1884,12 @@ xe_engine_snapshot_capture_for_job(struct xe_sched_job *job)
>   		}
>   
>   		if (!coredump->snapshot.hwe[id]) {
> -			coredump->snapshot.hwe[id] = xe_hw_engine_snapshot_capture(hwe, job);
> +			coredump->snapshot.hwe[id] =
> +				xe_hw_engine_snapshot_capture(hwe, q);
>   		} else {
>   			struct __guc_capture_parsed_output *new;
>   
> -			new = xe_guc_capture_get_matching_and_lock(job);
> +			new = xe_guc_capture_get_matching_and_lock(q);
>   			if (new) {
>   				struct xe_guc *guc =  &q->gt->uc.guc;
>   
> diff --git a/drivers/gpu/drm/xe/xe_guc_capture.h b/drivers/gpu/drm/xe/xe_guc_capture.h
> index 97a795d13dd1..20a078dc4b85 100644
> --- a/drivers/gpu/drm/xe/xe_guc_capture.h
> +++ b/drivers/gpu/drm/xe/xe_guc_capture.h
> @@ -11,10 +11,10 @@
>   #include "xe_guc.h"
>   #include "xe_guc_fwif.h"
>   
> +struct xe_exec_queue;
>   struct xe_guc;
>   struct xe_hw_engine;
>   struct xe_hw_engine_snapshot;
> -struct xe_sched_job;
>   
>   static inline enum guc_capture_list_class_type xe_guc_class_to_capture_class(u16 class)
>   {
> @@ -50,10 +50,10 @@ size_t xe_guc_capture_ads_input_worst_size(struct xe_guc *guc);
>   const struct __guc_mmio_reg_descr_group *
>   xe_guc_capture_get_reg_desc_list(struct xe_gt *gt, u32 owner, u32 type,
>   				 enum guc_capture_list_class_type capture_class, bool is_ext);
> -struct __guc_capture_parsed_output *xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job);
> +struct __guc_capture_parsed_output *xe_guc_capture_get_matching_and_lock(struct xe_exec_queue *q);
>   void xe_engine_manual_capture(struct xe_hw_engine *hwe, struct xe_hw_engine_snapshot *snapshot);
>   void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct drm_printer *p);
> -void xe_engine_snapshot_capture_for_job(struct xe_sched_job *job);
> +void xe_engine_snapshot_capture_for_queue(struct xe_exec_queue *q);
>   void xe_guc_capture_steered_list_init(struct xe_guc *guc);
>   void xe_guc_capture_put_matched_nodes(struct xe_guc *guc);
>   int xe_guc_capture_init(struct xe_guc *guc);
> diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
> index 974c7af7064d..3df8543deec1 100644
> --- a/drivers/gpu/drm/xe/xe_guc_submit.c
> +++ b/drivers/gpu/drm/xe/xe_guc_submit.c
> @@ -1066,13 +1066,13 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
>   	 * do manual capture first and decide later if we need to use it
>   	 */
>   	if (!exec_queue_killed(q) && !xe->devcoredump.captured &&
> -	    !xe_guc_capture_get_matching_and_lock(job)) {
> +	    !xe_guc_capture_get_matching_and_lock(q)) {
>   		/* take force wake before engine register manual capture */
>   		fw_ref = xe_force_wake_get(gt_to_fw(q->gt), XE_FORCEWAKE_ALL);
>   		if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
>   			xe_gt_info(q->gt, "failed to get forcewake for coredump capture\n");
>   
> -		xe_engine_snapshot_capture_for_job(job);
> +		xe_engine_snapshot_capture_for_queue(q);
>   
>   		xe_force_wake_put(gt_to_fw(q->gt), fw_ref);
>   	}
> diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c
> index 1557acee3523..0cfa2b9282be 100644
> --- a/drivers/gpu/drm/xe/xe_hw_engine.c
> +++ b/drivers/gpu/drm/xe/xe_hw_engine.c
> @@ -829,7 +829,7 @@ void xe_hw_engine_handle_irq(struct xe_hw_engine *hwe, u16 intr_vec)
>   /**
>    * xe_hw_engine_snapshot_capture - Take a quick snapshot of the HW Engine.
>    * @hwe: Xe HW Engine.
> - * @job: The job object.
> + * @q: The exec queue object.
>    *
>    * This can be printed out in a later stage like during dev_coredump
>    * analysis.
> @@ -838,7 +838,7 @@ void xe_hw_engine_handle_irq(struct xe_hw_engine *hwe, u16 intr_vec)
>    * caller, using `xe_hw_engine_snapshot_free`.
>    */
>   struct xe_hw_engine_snapshot *
> -xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_sched_job *job)
> +xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_exec_queue *q)
>   {
>   	struct xe_hw_engine_snapshot *snapshot;
>   	struct __guc_capture_parsed_output *node;
> @@ -864,9 +864,9 @@ xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_sched_job *job
>   	if (IS_SRIOV_VF(gt_to_xe(hwe->gt)))
>   		return snapshot;
>   
> -	if (job) {
> +	if (q) {
>   		/* If got guc capture, set source to GuC */
> -		node = xe_guc_capture_get_matching_and_lock(job);
> +		node = xe_guc_capture_get_matching_and_lock(q);
>   		if (node) {
>   			struct xe_device *xe = gt_to_xe(hwe->gt);
>   			struct xe_devcoredump *coredump = &xe->devcoredump;
> diff --git a/drivers/gpu/drm/xe/xe_hw_engine.h b/drivers/gpu/drm/xe/xe_hw_engine.h
> index da0a6922a26f..6b5f9fa2a594 100644
> --- a/drivers/gpu/drm/xe/xe_hw_engine.h
> +++ b/drivers/gpu/drm/xe/xe_hw_engine.h
> @@ -11,7 +11,7 @@
>   struct drm_printer;
>   struct drm_xe_engine_class_instance;
>   struct xe_device;
> -struct xe_sched_job;
> +struct xe_exec_queue;
>   
>   #ifdef CONFIG_DRM_XE_JOB_TIMEOUT_MIN
>   #define XE_HW_ENGINE_JOB_TIMEOUT_MIN CONFIG_DRM_XE_JOB_TIMEOUT_MIN
> @@ -56,7 +56,7 @@ void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe);
>   u32 xe_hw_engine_mask_per_class(struct xe_gt *gt,
>   				enum xe_engine_class engine_class);
>   struct xe_hw_engine_snapshot *
> -xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_sched_job *job);
> +xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_exec_queue *q);
>   void xe_hw_engine_snapshot_free(struct xe_hw_engine_snapshot *snapshot);
>   void xe_hw_engine_print(struct xe_hw_engine *hwe, struct drm_printer *p);
>   void xe_hw_engine_setup_default_lrc_state(struct xe_hw_engine *hwe);



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