We need to do that every time we resume the rings, not just at load.
I've overlooked this in my untangling of the ring init code.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 99de39a8dea1..23e17735a6a9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4741,14 +4741,6 @@ int i915_gem_init_rings(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- /*
- * At least 830 can leave some of the unused rings
- * "active" (ie. head != tail) after resume which
- * will prevent c3 entry. Makes sure all unused rings
- * are totally idle.
- */
- init_unused_rings(dev);
-
ret = intel_init_render_ring_buffer(dev);
if (ret)
return ret;
@@ -4828,6 +4820,14 @@ i915_gem_init_hw(struct drm_device *dev)
i915_gem_init_swizzling(dev);
+ /*
+ * At least 830 can leave some of the unused rings
+ * "active" (ie. head != tail) after resume which
+ * will prevent c3 entry. Makes sure all unused rings
+ * are totally idle.
+ */
+ init_unused_rings(dev);
+
for_each_ring(ring, dev_priv, i) {
ret = ring->init_hw(ring);
if (ret)
--
1.9.3
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