[PATCH 8/8] drm: Nuke drm_atomic_legacy_backoff

From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
	DRI Development <dri-devel@lists.freedesktop.org>
Subject: [PATCH 8/8] drm: Nuke drm_atomic_legacy_backoff
Date: Tue, 25 Jul 2017 10:01:22 +0200	[thread overview]
Message-ID: <20170725080122.20548-9-daniel.vetter@ffwll.ch> (raw)
In-Reply-To: <20170725080122.20548-1-daniel.vetter@ffwll.ch>

Finally all users are gone!

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/drm_atomic.c | 32 --------------------------------
 include/drm/drm_atomic.h     |  2 --
 2 files changed, 34 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 306fdca92abf..1b755439f591 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1588,38 +1588,6 @@ drm_atomic_add_affected_planes(struct drm_atomic_state *state,
 EXPORT_SYMBOL(drm_atomic_add_affected_planes);
 
 /**
- * drm_atomic_legacy_backoff - locking backoff for legacy ioctls
- * @state: atomic state
- *
- * This function should be used by legacy entry points which don't understand
- * -EDEADLK semantics. For simplicity this one will grab all modeset locks after
- * the slowpath completed.
- */
-void drm_atomic_legacy_backoff(struct drm_atomic_state *state)
-{
-	struct drm_device *dev = state->dev;
-	int ret;
-	bool global = false;
-
-	if (WARN_ON(dev->mode_config.acquire_ctx == state->acquire_ctx)) {
-		global = true;
-
-		dev->mode_config.acquire_ctx = NULL;
-	}
-
-retry:
-	drm_modeset_backoff(state->acquire_ctx);
-
-	ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx);
-	if (ret)
-		goto retry;
-
-	if (global)
-		dev->mode_config.acquire_ctx = state->acquire_ctx;
-}
-EXPORT_SYMBOL(drm_atomic_legacy_backoff);
-
-/**
  * drm_atomic_check_only - check whether a given config would work
  * @state: atomic configuration to check
  *
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index fccc09d5f2b3..066b8dac3978 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -545,8 +545,6 @@ int __must_check
 drm_atomic_add_affected_planes(struct drm_atomic_state *state,
 			       struct drm_crtc *crtc);
 
-void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
-
 void
 drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret);
 
-- 
2.13.3

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