drm/xe: Create a helper function to init job's user fence

Refactor xe_sync_entry_signal so it doesn't have to
modify xe_sched_job struct instead create a new helper function
to set user fence values for a job.

v2: Move the sync type check to xe_sched_job_init_user_fence(Lucas)

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240321161142.4954-1-nirmoy.das@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_exec.c

@@ -249,7 +249,7 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 				goto err_unlock_list;
 			}
 			for (i = 0; i < num_syncs; i++)
-				xe_sync_entry_signal(&syncs[i], NULL, fence);
+				xe_sync_entry_signal(&syncs[i], fence);
 			xe_exec_queue_last_fence_set(q, vm, fence);
 			dma_fence_put(fence);
 		}
@@ -359,9 +359,10 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 		drm_gpuvm_resv_add_fence(&vm->gpuvm, exec, &job->drm.s_fence->finished,
 					 DMA_RESV_USAGE_BOOKKEEP, DMA_RESV_USAGE_WRITE);
 
-	for (i = 0; i < num_syncs; i++)
-		xe_sync_entry_signal(&syncs[i], job,
-				     &job->drm.s_fence->finished);
+	for (i = 0; i < num_syncs; i++) {
+		xe_sync_entry_signal(&syncs[i], &job->drm.s_fence->finished);
+		xe_sched_job_init_user_fence(job, &syncs[i]);
+	}
 
 	if (xe_exec_queue_is_lr(q))
 		q->ring_ops->emit_job(job);

drivers/gpu/drm/xe/xe_sched_job.c

@@ -5,6 +5,7 @@
 
 #include "xe_sched_job.h"
 
+#include <drm/xe_drm.h>
 #include <linux/dma-fence-array.h>
 #include <linux/slab.h>
 
@@ -15,6 +16,7 @@
 #include "xe_hw_fence.h"
 #include "xe_lrc.h"
 #include "xe_macros.h"
+#include "xe_sync_types.h"
 #include "xe_trace.h"
 #include "xe_vm.h"
 
@@ -278,6 +280,22 @@ int xe_sched_job_last_fence_add_dep(struct xe_sched_job *job, struct xe_vm *vm)
 	return drm_sched_job_add_dependency(&job->drm, fence);
 }
 
+/**
+ * xe_sched_job_init_user_fence - Initialize user_fence for the job
+ * @job: job whose user_fence needs an init
+ * @sync: sync to be use to init user_fence
+ */
+void xe_sched_job_init_user_fence(struct xe_sched_job *job,
+				  struct xe_sync_entry *sync)
+{
+	if (sync->type != DRM_XE_SYNC_TYPE_USER_FENCE)
+		return;
+
+	job->user_fence.used = true;
+	job->user_fence.addr = sync->addr;
+	job->user_fence.value = sync->timeline_value;
+}
+
 struct xe_sched_job_snapshot *
 xe_sched_job_snapshot_capture(struct xe_sched_job *job)
 {

drivers/gpu/drm/xe/xe_sched_job.h

@@ -10,6 +10,7 @@
 
 struct drm_printer;
 struct xe_vm;
+struct xe_sync_entry;
 
 #define XE_SCHED_HANG_LIMIT 1
 #define XE_SCHED_JOB_TIMEOUT LONG_MAX
@@ -58,6 +59,8 @@ void xe_sched_job_arm(struct xe_sched_job *job);
 void xe_sched_job_push(struct xe_sched_job *job);
 
 int xe_sched_job_last_fence_add_dep(struct xe_sched_job *job, struct xe_vm *vm);
+void xe_sched_job_init_user_fence(struct xe_sched_job *job,
+				  struct xe_sync_entry *sync);
 
 static inline struct xe_sched_job *
 to_xe_sched_job(struct drm_sched_job *drm)

drivers/gpu/drm/xe/xe_sync.c

@@ -224,8 +224,7 @@ int xe_sync_entry_add_deps(struct xe_sync_entry *sync, struct xe_sched_job *job)
 	return 0;
 }
 
-void xe_sync_entry_signal(struct xe_sync_entry *sync, struct xe_sched_job *job,
-			  struct dma_fence *fence)
+void xe_sync_entry_signal(struct xe_sync_entry *sync, struct dma_fence *fence)
 {
 	if (!(sync->flags & DRM_XE_SYNC_FLAG_SIGNAL))
 		return;
@@ -254,10 +253,6 @@ void xe_sync_entry_signal(struct xe_sync_entry *sync, struct xe_sched_job *job,
 			user_fence_put(sync->ufence);
 			dma_fence_put(fence);
 		}
-	} else if (sync->type == DRM_XE_SYNC_TYPE_USER_FENCE) {
-		job->user_fence.used = true;
-		job->user_fence.addr = sync->addr;
-		job->user_fence.value = sync->timeline_value;
 	}
 }
 

drivers/gpu/drm/xe/xe_sync.h

@@ -26,7 +26,6 @@ int xe_sync_entry_wait(struct xe_sync_entry *sync);
 int xe_sync_entry_add_deps(struct xe_sync_entry *sync,
 			   struct xe_sched_job *job);
 void xe_sync_entry_signal(struct xe_sync_entry *sync,
-			  struct xe_sched_job *job,
 			  struct dma_fence *fence);
 void xe_sync_entry_cleanup(struct xe_sync_entry *sync);
 struct dma_fence *

drivers/gpu/drm/xe/xe_vm.c

@@ -1700,7 +1700,7 @@ xe_vm_unbind_vma(struct xe_vma *vma, struct xe_exec_queue *q,
 		xe_exec_queue_last_fence_get(wait_exec_queue, vm) : fence;
 	if (last_op) {
 		for (i = 0; i < num_syncs; i++)
-			xe_sync_entry_signal(&syncs[i], NULL, fence);
+			xe_sync_entry_signal(&syncs[i], fence);
 	}
 
 	return fence;
@@ -1774,7 +1774,7 @@ xe_vm_bind_vma(struct xe_vma *vma, struct xe_exec_queue *q,
 
 	if (last_op) {
 		for (i = 0; i < num_syncs; i++)
-			xe_sync_entry_signal(&syncs[i], NULL,
+			xe_sync_entry_signal(&syncs[i],
 					     cf ? &cf->base : fence);
 	}
 
@@ -1835,7 +1835,7 @@ static int __xe_vm_bind(struct xe_vm *vm, struct xe_vma *vma,
 		fence = xe_exec_queue_last_fence_get(wait_exec_queue, vm);
 		if (last_op) {
 			for (i = 0; i < num_syncs; i++)
-				xe_sync_entry_signal(&syncs[i], NULL, fence);
+				xe_sync_entry_signal(&syncs[i], fence);
 		}
 	}
 
@@ -2056,7 +2056,7 @@ static int xe_vm_prefetch(struct xe_vm *vm, struct xe_vma *vma,
 				struct dma_fence *fence =
 					xe_exec_queue_last_fence_get(wait_exec_queue, vm);
 
-				xe_sync_entry_signal(&syncs[i], NULL, fence);
+				xe_sync_entry_signal(&syncs[i], fence);
 				dma_fence_put(fence);
 			}
 		}
@@ -2934,7 +2934,7 @@ static int vm_bind_ioctl_signal_fences(struct xe_vm *vm,
 		return PTR_ERR(fence);
 
 	for (i = 0; i < num_syncs; i++)
-		xe_sync_entry_signal(&syncs[i], NULL, fence);
+		xe_sync_entry_signal(&syncs[i], fence);
 
 	xe_exec_queue_last_fence_set(to_wait_exec_queue(vm, q), vm,
 				     fence);