[Nouveau] [PATCH 02/15] dmr/i915: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN()

[Fernando Ramos]

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 <green...@u92.eu>
---
 drivers/gpu/drm/i915/display/intel_display.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 134a6acbd8fb..997a16e85c85 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -13476,22 +13476,13 @@ void intel_display_resume(struct drm_device *dev)
        if (state)
                state->acquire_ctx = &ctx;
 
-       drm_modeset_acquire_init(&ctx, 0);
-
-       while (1) {
-               ret = drm_modeset_lock_all_ctx(dev, &ctx);
-               if (ret != -EDEADLK)
-                       break;
-
-               drm_modeset_backoff(&ctx);
-       }
+       DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
 
-       if (!ret)
-               ret = __intel_display_resume(dev, state, &ctx);
+       ret = __intel_display_resume(dev, state, &ctx);
 
        intel_enable_ipc(dev_priv);
-       drm_modeset_drop_locks(&ctx);
-       drm_modeset_acquire_fini(&ctx);
+
+       DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
 
        if (ret)
                drm_err(&dev_priv->drm,
-- 
2.33.0