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drm/i915: Force sync command ordering (Gen6+)
[pandora-kernel.git]
/
drivers
/
gpu
/
drm
/
i915
/
intel_ringbuffer.c
diff --git
a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index
8673581
..
3c9c086
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/
drivers/gpu/drm/i915/intel_ringbuffer.c
@@
-414,6
+414,11
@@
static int init_render_ring(struct intel_ring_buffer *ring)
return ret;
}
+ if (INTEL_INFO(dev)->gen >= 6) {
+ I915_WRITE(INSTPM,
+ INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING);
+ }
+
return ret;
}