[PATCH 03/15] dmr/msm: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN()

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As requested in Documentation/gpu/todo.rst, replace the boilerplate code
surrounding drm_modeset_lock_all_ctx() with DRM_MODESET_LOCK_ALL_BEGIN()
and DRM_MODESET_LOCK_ALL_END()

Signed-off-by: Fernando Ramos <greenfoo@xxxxxx>
---
 drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index cabe15190ec1..c83db90b0e02 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -99,20 +99,18 @@ static void msm_disp_capture_atomic_state(struct msm_disp_state *disp_state)
 {
 	struct drm_device *ddev;
 	struct drm_modeset_acquire_ctx ctx;
+	int ret;
 
 	disp_state->timestamp = ktime_get();
 
 	ddev = disp_state->drm_dev;
 
-	drm_modeset_acquire_init(&ctx, 0);
-
-	while (drm_modeset_lock_all_ctx(ddev, &ctx) != 0)
-		drm_modeset_backoff(&ctx);
+	DRM_MODESET_LOCK_ALL_BEGIN(ddev, ctx, 0, ret);
 
 	disp_state->atomic_state = drm_atomic_helper_duplicate_state(ddev,
 			&ctx);
-	drm_modeset_drop_locks(&ctx);
-	drm_modeset_acquire_fini(&ctx);
+
+	DRM_MODESET_LOCK_ALL_END(ddev, ctx, ret);
 }
 
 void msm_disp_snapshot_capture_state(struct msm_disp_state *disp_state)
-- 
2.33.0




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