Since we don't need the struct_mutex to acquire the object's pages, call
i915_gem_object_pin_pages() before we bind the object into the GGTT.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8897ad369a85..8c2a0b04ad4a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13397,6 +13397,10 @@ intel_prepare_plane_fb(struct drm_plane *plane,
if (!obj)
return 0;
+ ret = i915_gem_object_pin_pages(obj);
+ if (ret)
+ return ret;
+
ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
if (ret) {
i915_gem_object_unpin_pages(obj);
@@ -13421,6 +13425,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
}
mutex_unlock(&dev_priv->drm.struct_mutex);
+ i915_gem_object_unpin_pages(obj);
if (ret)
return ret;
--
2.11.0
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