drm/xe/sched_job: Promote xe_sched_job_add_deps()

Move it out of the xe_migrate compilation unit so it can be re-used in
other places.

Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614094433.775866-1-francois.dugast@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_exec.c

@@ -259,7 +259,7 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 
 	/* Wait behind rebinds */
 	if (!xe_vm_in_lr_mode(vm)) {
-		err = drm_sched_job_add_resv_dependencies(&job->drm,
+		err = xe_sched_job_add_deps(job,
 					    xe_vm_resv(vm),
 					    DMA_RESV_USAGE_KERNEL);
 		if (err)

drivers/gpu/drm/xe/xe_migrate.c

@@ -647,12 +647,6 @@ static void emit_copy(struct xe_gt *gt, struct xe_bb *bb,
 	bb->cs[bb->len++] = upper_32_bits(src_ofs);
 }
 
-static int job_add_deps(struct xe_sched_job *job, struct dma_resv *resv,
-			enum dma_resv_usage usage)
-{
-	return drm_sched_job_add_resv_dependencies(&job->drm, resv, usage);
-}
-
 static u64 xe_migrate_batch_base(struct xe_migrate *m, bool usm)
 {
 	return usm ? m->usm_batch_base_ofs : m->batch_base_ofs;
@@ -849,10 +843,10 @@ struct dma_fence *xe_migrate_copy(struct xe_migrate *m,
 
 		xe_sched_job_add_migrate_flush(job, flush_flags);
 		if (!fence) {
-			err = job_add_deps(job, src_bo->ttm.base.resv,
+			err = xe_sched_job_add_deps(job, src_bo->ttm.base.resv,
 						    DMA_RESV_USAGE_BOOKKEEP);
 			if (!err && src_bo != dst_bo)
-				err = job_add_deps(job, dst_bo->ttm.base.resv,
+				err = xe_sched_job_add_deps(job, dst_bo->ttm.base.resv,
 							    DMA_RESV_USAGE_BOOKKEEP);
 			if (err)
 				goto err_job;
@@ -1091,7 +1085,7 @@ struct dma_fence *xe_migrate_clear(struct xe_migrate *m,
 			 * fences, which are always tracked as
 			 * DMA_RESV_USAGE_KERNEL.
 			 */
-			err = job_add_deps(job, bo->ttm.base.resv,
+			err = xe_sched_job_add_deps(job, bo->ttm.base.resv,
 						    DMA_RESV_USAGE_KERNEL);
 			if (err)
 				goto err_job;
@@ -1417,7 +1411,7 @@ xe_migrate_update_pgtables(struct xe_migrate *m,
 
 	/* Wait on BO move */
 	if (bo) {
-		err = job_add_deps(job, bo->ttm.base.resv,
+		err = xe_sched_job_add_deps(job, bo->ttm.base.resv,
 					    DMA_RESV_USAGE_KERNEL);
 		if (err)
 			goto err_job;
@@ -1428,7 +1422,7 @@ xe_migrate_update_pgtables(struct xe_migrate *m,
 	 * trigger preempts before moving forward
 	 */
 	if (first_munmap_rebind) {
-		err = job_add_deps(job, xe_vm_resv(vm),
+		err = xe_sched_job_add_deps(job, xe_vm_resv(vm),
 					    DMA_RESV_USAGE_BOOKKEEP);
 		if (err)
 			goto err_job;

drivers/gpu/drm/xe/xe_sched_job.c

@@ -363,3 +363,9 @@ xe_sched_job_snapshot_print(struct xe_sched_job_snapshot *snapshot,
 	for (i = 0; i < snapshot->batch_addr_len; i++)
 		drm_printf(p, "batch_addr[%u]: 0x%016llx\n", i, snapshot->batch_addr[i]);
 }
+
+int xe_sched_job_add_deps(struct xe_sched_job *job, struct dma_resv *resv,
+			  enum dma_resv_usage usage)
+{
+	return drm_sched_job_add_resv_dependencies(&job->drm, resv, usage);
+}

drivers/gpu/drm/xe/xe_sched_job.h

@@ -90,4 +90,7 @@ struct xe_sched_job_snapshot *xe_sched_job_snapshot_capture(struct xe_sched_job
 void xe_sched_job_snapshot_free(struct xe_sched_job_snapshot *snapshot);
 void xe_sched_job_snapshot_print(struct xe_sched_job_snapshot *snapshot, struct drm_printer *p);
 
+int xe_sched_job_add_deps(struct xe_sched_job *job, struct dma_resv *resv,
+			  enum dma_resv_usage usage);
+
 #endif