[PATCH 9/9] drm/i915: Drop unpin stall in atomic_prepare_commit

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The core already does this in setup_commit(). With this we can also
remove the unpin_work_count since it's the last user.

Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 13 +------------
 drivers/gpu/drm/i915/intel_drv.h     |  2 --
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e52a2adbaaa5..351208b7b1ad 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11825,18 +11825,7 @@ static int intel_atomic_check(struct drm_device *dev,
 static int intel_atomic_prepare_commit(struct drm_device *dev,
 				       struct drm_atomic_state *state)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct drm_crtc_state *crtc_state;
-	struct drm_crtc *crtc;
-	int i, ret;
-
-	for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
-		if (state->legacy_cursor_update)
-			continue;
-
-		if (atomic_read(&to_intel_crtc(crtc)->unpin_work_count) >= 2)
-			flush_workqueue(dev_priv->wq);
-	}
+	int ret;
 
 	ret = mutex_lock_interruptible(&dev->struct_mutex);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 9cb7e781e863..96402c06e295 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -798,8 +798,6 @@ struct intel_crtc {
 	unsigned long long enabled_power_domains;
 	struct intel_overlay *overlay;
 
-	atomic_t unpin_work_count;
-
 	/* Display surface base address adjustement for pageflips. Note that on
 	 * gen4+ this only adjusts up to a tile, offsets within a tile are
 	 * handled in the hw itself (with the TILEOFF register). */
-- 
2.13.2

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