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drm/i915: Prevent stalling for a GTT read back from a read-only GPU target

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2010-12-02 09:42:56 +00:00
parent 257e48f147
commit 87ca9c8a7e
3 changed files with 13 additions and 3 deletions
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drivers/gpu/drm/i915/i915_gem_execbuffer.c
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@ -775,6 +775,7 @@ i915_gem_execbuffer_move_to_active(struct list_head *objects,
i915_gem_object_move_to_active(obj, ring);
if (obj->base.write_domain) {
obj->dirty = 1;
obj->pending_gpu_write = true;
list_move_tail(&obj->gpu_write_list,
&ring->gpu_write_list);
intel_mark_busy(ring->dev, obj);