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Commit 07ee2bce authored by Tvrtko Ursulin's avatar Tvrtko Ursulin
Browse files

drm/i915: Rotated view does not need a fence 



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: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 05a20d09 ("drm/i915: Move map-and-fenceable tracking to the VMA")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent ed4596ea

drivers/gpu/drm/i915/i915_gem.c

+6 −1
Original line number Diff line number Diff line
@@ -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;