[CI 2/2] drm/xe: Move vma rebinding to the drm_exec locking loop

[Thomas Hellström]

Rebinding might allocate page-table bos, causing evictions.
To support blocking locking during these evictions,
perform the rebinding in the drm_exec locking loop.

Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
---
 drivers/gpu/drm/xe/xe_exec.c |  4 ++++
 drivers/gpu/drm/xe/xe_vm.c   | 12 +++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 5124663a9694..b683ce415ef1 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -106,6 +106,10 @@ static int xe_exec_fn(struct drm_gpuvm_exec *vm_exec)
 	if (ret)
 		return ret;
 
+	ret = xe_vm_rebind(vm, false);
+	if (ret)
+		return ret;
+
 	/*
 	 * 1 fence slot for the final submit, and 1 more for every per-tile for
 	 * GPU bind and 1 extra for CPU bind. Note that there are potentially
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 427b2063d876..732132bba537 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -515,7 +515,13 @@ static int xe_preempt_work_begin(struct drm_exec *exec, struct xe_vm *vm,
 	if (err)
 		return err;
 
-	return drm_gpuvm_validate(&vm->gpuvm, exec);
+	err = drm_gpuvm_validate(&vm->gpuvm, exec);
+	if (err)
+		return err;
+
+	err = xe_vm_rebind(vm, true);
+
+	return err;
 }
 
 static void preempt_rebind_work_func(struct work_struct *w)
@@ -567,10 +573,6 @@ static void preempt_rebind_work_func(struct work_struct *w)
 	if (err)
 		goto out_unlock;
 
-	err = xe_vm_rebind(vm, true);
-	if (err)
-		goto out_unlock;
-
 	if (vm->rebind_fence) {
 		dma_fence_wait(vm->rebind_fence, false);
 		dma_fence_put(vm->rebind_fence);
-- 
2.44.0