From: Tvrtko Ursulin <[email protected]>

We do not need to set up a fence for the rotated view.

Display does not need it and no one can access it.

v2: Move code to __i915_vma_set_map_and_fenceable. (Chris Wilson)

Signed-off-by: Tvrtko Ursulin <[email protected]>
Fixes: 05a20d098db1 ("drm/i915: Move map-and-fenceable tracking to the VMA")
Cc: Chris Wilson <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
---
 drivers/gpu/drm/i915/i915_gem.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9361c7b54a7f..eb524bdf0c35 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3790,7 +3790,12 @@ void __i915_vma_set_map_and_fenceable(struct i915_vma 
*vma)
        mappable = (vma->node.start + fence_size <=
                    dev_priv->ggtt.mappable_end);
 
-       if (mappable && fenceable)
+       /*
+        * Explicitly disable for rotated VMA since the display does not
+        * need the fence and the VMA is not accessible to other users.
+        */
+       if (mappable && fenceable &&
+           vma->ggtt_view.type != I915_GGTT_VIEW_ROTATED)
                vma->flags |= I915_VMA_CAN_FENCE;
        else
                vma->flags &= ~I915_VMA_CAN_FENCE;
-- 
2.7.4

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