There's a separate bit in the Gunit to allow force wake control.
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_gem.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ad98db5..fa12248 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3987,6 +3987,11 @@ int i915_gem_init(struct drm_device *dev)
int ret;
mutex_lock(&dev->struct_mutex);
+
+ if (IS_VALLEYVIEW(dev)) {
+ /* Make sure we can use force wake */
+ I915_WRITE(VLV_GTLC_WAKE_CTRL, 1);
+ }
i915_gem_init_global_gtt(dev);
ret = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
--
1.7.9.5
