[PATCH 55/62] drm/i915/bdw: Disable semaphores

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From: Ben Widawsky <ben@xxxxxxxxxxxx>

We've done insufficient testing on them thus far, so keep them disabled
until we do test.

Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 590d999..efb63b0 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -478,6 +478,12 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
 	if (INTEL_INFO(dev)->gen < 6)
 		return 0;
 
+	/* Until we get further testing... */
+	if (IS_GEN8(dev)) {
+		DRM_INFO("Semaphores disabled GEN8\n");
+		return 0;
+	}
+
 	if (i915_semaphores >= 0)
 		return i915_semaphores;
 
-- 
1.8.4.2

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