[PATCH] drm/i915: replacing drm_modeset_lock_all for DRM_MODESET_LOCK_ALL_*

[Maíra Canal]

As requested in GPU Driver Developers Guide TODO list, replaces all
drm_lock boilerplates for DRM_MODESET_LOCK_ALL_* helpers.

Signed-off-by: Maíra Canal <maira.ca...@usp.br>
---
 drivers/gpu/drm/i915/display/intel_display.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 17f44ffea586..71b7ff7b7dea 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -13466,22 +13466,13 @@ 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);
 
        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,
-- 
2.31.1