The tail is quadword aligned, so we can add two MI_NOOP as a time.
Signed-off-by: Chris Wilson <[email protected]>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index f914c42..b5ccee5 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -702,9 +702,11 @@ int intel_wrap_ring_buffer(struct drm_device *dev,
}
virt = (unsigned int *)(ring->virtual_start + ring->tail);
- rem /= 4;
- while (rem--)
+ rem /= 8;
+ while (rem--) {
*virt++ = MI_NOOP;
+ *virt++ = MI_NOOP;
+ }
ring->tail = 0;
ring->space = ring->head - 8;
--
1.7.1
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