From: Jani Nikula <jani.nik...@intel.com>
BDW is no longer flagged as preliminary hw, but without
i915.preliminary_hw_support module param set the logs are filled with
WARNs about it.
Just make semaphores off the BDW per-chip default for now.
CC: Ben Widawsky <b...@bwidawsk.net>
Reported-by: Sebastien Dufour <sebastien.duf...@intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
[BDW 3.14 backport]
Cc: sta...@vger.kernel.org
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
Conflicts:
drivers/gpu/drm/i915/i915_drv.c
---
drivers/gpu/drm/i915/i915_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ec7bb0f..8b5c305 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -477,13 +477,16 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
/* Until we get further testing... */
if (IS_GEN8(dev)) {
- WARN_ON(!i915_preliminary_hw_support);
return false;
}
if (i915_semaphores >= 0)
return i915_semaphores;
+ /* Until we get further testing... */
+ if (IS_GEN8(dev))
+ return false;
+
#ifdef CONFIG_INTEL_IOMMU
/* Enable semaphores on SNB when IO remapping is off */
if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
--
1.9.1
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