Merge tag 'drm-intel-next-2017-07-17' of git://anongit.freedesktop.org/git/drm-intel into drm-next

2nd round of 4.14 features:

- prep for deferred fbdev setup
- refactor fixed 16.16 computations and skl+ wm code (Mahesh Kumar)
- more cnl paches (Rodrigo, Imre et al)
- tighten context cleanup and handling (Chris Wilson)
- fix interlaced handling on skl+ (Mahesh Kumar)
- small bits as usual

* tag 'drm-intel-next-2017-07-17' of git://anongit.freedesktop.org/git/drm-intel: (84 commits)
  drm/i915: Update DRIVER_DATE to 20170717
  drm/i915: Protect against deferred fbdev setup
  drm/i915/fbdev: Always forward hotplug events
  drm/i915/skl+: unify cpp value in WM calculation
  drm/i915/skl+: WM calculation don't require height
  drm/i915: Addition wrapper for fixed16.16 operation
  drm/i915: cleanup fixed-point wrappers naming
  drm/i915: Always perform internal fixed16 division in 64 bits
  drm/i915: take-out common clamping code of fixed16 wrappers
  drm/i915/cnl: Add missing type case.
  drm/i915/cnl: Add max allowed Cannonlake DC.
  drm/i915: Make DP-MST connector info work
  drm/i915/cnl: Get DDI clock based on PLLs.
  drm/i915/cnl: Inherit RPS stuff from previous platforms.
  drm/i915/cnl: Gen10 render context size.
  drm/i915/cnl: Don't trust VBT's alternate pin for port D for now.
  drm/i915: Fix the kernel panic when using aliasing ppgtt
  drm/i915/cnl: Cannonlake color init.
  drm/i915/cnl: Add force wake for gen10+.
  x86/gpu: CNL uses the same GMS values as SKL
  ...

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 8c59c79..483af89 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -384,7 +384,11 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request)
 		engine->context_unpin(engine, engine->last_retired_context);
 	engine->last_retired_context = request->ctx;
 
-	dma_fence_signal(&request->fence);
+	spin_lock_irq(&request->lock);
+	if (request->waitboost)
+		atomic_dec(&request->i915->rps.num_waiters);
+	dma_fence_signal_locked(&request->fence);
+	spin_unlock_irq(&request->lock);
 
 	i915_priotree_fini(request->i915, &request->priotree);
 	i915_gem_request_put(request);
@@ -639,6 +643,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine,
 	req->file_priv = NULL;
 	req->batch = NULL;
 	req->capture_list = NULL;
+	req->waitboost = false;
 
 	/*
 	 * Reserve space in the ring buffer for all the commands required to