[Intel-gfx] [PATCH 35/70] drm/i915: Use the new rq->i915 field where appropriate

[Chris Wilson]

In a few cases, having a direct pointer to the drm_i915_private from the
request is useful.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 11 ++++-------
 drivers/gpu/drm/i915/intel_pm.c |  2 +-
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 05d7431db4ab..796dc69a6c47 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1227,8 +1227,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
 			struct drm_i915_file_private *file_priv)
 {
 	struct intel_engine_cs *ring = i915_gem_request_get_ring(req);
-	struct drm_device *dev = ring->dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_private *dev_priv = req->i915;
 	const bool irq_test_in_progress =
 		ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring);
 	DEFINE_WAIT(wait);
@@ -1247,7 +1246,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
 	timeout_expire = timeout ?
 		jiffies + nsecs_to_jiffies_timeout((u64)*timeout) : 0;
 
-	if (INTEL_INFO(dev)->gen >= 6)
+	if (INTEL_INFO(dev_priv)->gen >= 6)
 		gen6_rps_boost(dev_priv, file_priv);
 
 	/* Record current time in case interrupted by signal, or wedged */
@@ -1404,18 +1403,16 @@ __i915_gem_request_retire__upto(struct drm_i915_gem_request *rq)
 int
 i915_wait_request(struct drm_i915_gem_request *req)
 {
-	struct drm_device *dev;
 	struct drm_i915_private *dev_priv;
 	bool interruptible;
 	int ret;
 
 	BUG_ON(req == NULL);
 
-	dev = req->ring->dev;
-	dev_priv = dev->dev_private;
+	dev_priv = req->i915;
 	interruptible = dev_priv->mm.interruptible;
 
-	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
+	BUG_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
 
 	ret = i915_gem_check_wedge(&dev_priv->gpu_error, interruptible);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 17092897c728..a48c65cffb97 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6793,7 +6793,7 @@ static void __intel_rps_boost_work(struct work_struct *work)
 	struct request_boost *boost = container_of(work, struct request_boost, work);
 
 	if (!i915_gem_request_completed(boost->rq, true))
-		gen6_rps_boost(to_i915(boost->rq->ring->dev), NULL);
+		gen6_rps_boost(boost->rq->i915, NULL);
 
 	i915_gem_request_unreference__unlocked(boost->rq);
 	kfree(boost);
-- 
2.1.4