[PATCH 2/2] Reapply "drm/atomic: Call ww_acquire_done after check phase is complete"

[Maarten Lankhorst]

This reapplies commit 992cbf19b32900efa17850b9fa0031fd623edd4d.
With atomic drm_framebuffer_remove and the fbdev emulation layer atomic
this should be safe to apply again.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Rob Clark <robdclark at gmail.com>
Cc: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/drm_atomic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5a54d9e2d938..d619a756587c 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1358,6 +1358,9 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
 		}
 	}
 
+	if (ret == 0)
+		ww_acquire_done(&state->acquire_ctx->ww_ctx);
+
 	return ret;
 }
 EXPORT_SYMBOL(drm_atomic_check_only);
-- 
2.5.5