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drm/i915: Implement GPU semaphores for inter-ring synchronisation on SNB

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The bulk of the change is to convert the growing list of rings into an
array so that the relationship between the rings and the semaphore sync
registers can be easily computed.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2010-12-04 11:30:53 +00:00
parent 340479aac6
commit 1ec14ad313
14 changed files with 656 additions and 447 deletions
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8
drivers/gpu/drm/i915/intel_overlay.c
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@@ -221,7 +221,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
int ret;
BUG_ON(overlay->last_flip_req);
ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
if (ret) {
kfree(request);
return ret;
@@ -230,7 +230,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
overlay->flip_tail = tail;
ret = i915_do_wait_request(dev,
overlay->last_flip_req, true,
&dev_priv->render_ring);
LP_RING(dev_priv));
if (ret)
return ret;
@@ -364,7 +364,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
OUT_RING(flip_addr);
ADVANCE_LP_RING();
ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
ret = i915_add_request(dev, NULL, request, LP_RING(dev_priv));
if (ret) {
kfree(request);
return ret;
@@ -454,7 +454,7 @@ static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
return 0;
ret = i915_do_wait_request(dev, overlay->last_flip_req,
interruptible, &dev_priv->render_ring);
interruptible, LP_RING(dev_priv));
if (ret)
return ret;