Assertion + unsigned helps catch potential issues.
>From the docs it is hard to tell if the global GTT flag is actually
needed, but it shouldn't hurt.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index c30626e..eb1ab0c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -315,12 +315,14 @@ static void render_ring_cleanup(struct intel_ring_buffer
*ring)
}
static void
-update_semaphore(struct intel_ring_buffer *ring, int i, u32 seqno)
+update_semaphore(struct intel_ring_buffer *ring, unsigned int i, u32 seqno)
{
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int id;
+ BUG_ON(IS_GEN6(dev) && i > 1);
+
/*
* cs -> 1 = vcs, 0 = bcs
* vcs -> 1 = bcs, 0 = cs,
@@ -332,6 +334,7 @@ update_semaphore(struct intel_ring_buffer *ring, int i, u32
seqno)
intel_ring_emit(ring,
MI_SEMAPHORE_MBOX |
+ MI_SEMAPHORE_GLOBAL_GTT |
MI_SEMAPHORE_REGISTER |
MI_SEMAPHORE_UPDATE);
intel_ring_emit(ring, seqno);
--
1.7.6.1
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