From: Naresh Kumar Kachhi <naresh.kumar.kac...@intel.com>
Rings should be idle before issuing sync_flush
(in intel_ring_setup_status_page). This patch moves the ring
disabling before doing the HW status page setup.
Signed-off-by: Naresh Kumar Kachhi <naresh.kumar.kac...@intel.com>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 8590921..42b4001 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -440,16 +440,16 @@ static int init_ring_common(struct intel_ring_buffer
*ring)
gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
- if (I915_NEED_GFX_HWS(dev))
- intel_ring_setup_status_page(ring);
- else
- ring_setup_phys_status_page(ring);
-
/* Stop the ring if it's running. */
I915_WRITE_CTL(ring, 0);
I915_WRITE_HEAD(ring, 0);
ring->write_tail(ring, 0);
+ if (I915_NEED_GFX_HWS(dev))
+ intel_ring_setup_status_page(ring);
+ else
+ ring_setup_phys_status_page(ring);
+
head = I915_READ_HEAD(ring) & HEAD_ADDR;
/* G45 ring initialization fails to reset head to zero */
--
1.8.5.3
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