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authorChris Wilson <chris@chris-wilson.co.uk>2010-12-02 09:42:56 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-02 10:00:15 +0000
commit87ca9c8a7ea9c8c7ce1561edaad1aa8570f1a01e (patch)
tree727e90b080110273a51dc629c0db6ac482a69489 /drivers/gpu/drm/i915/i915_drv.h
parent257e48f1474a1f5bfa6fcafb12f77a8479063293 (diff)
drm/i915: Prevent stalling for a GTT read back from a read-only GPU target
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 590d8f2d095..7b37c198cb1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -729,6 +729,12 @@ struct drm_i915_gem_object {
unsigned int dirty : 1;
/**
+ * This is set if the object has been written to since the last
+ * GPU flush.
+ */
+ unsigned int pending_gpu_write : 1;
+
+ /**
* Fence register bits (if any) for this object. Will be set
* as needed when mapped into the GTT.
* Protected by dev->struct_mutex.