From: Tvrtko Ursulin Date: Tue, 19 Apr 2016 15:46:09 +0000 (+0100) Subject: drm/i915: Remove a couple pointless WARN_ONs X-Git-Tag: MMI-PSA29.97-13-9~7427^2~45^2~218 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=791bee125b42aa0bba3e521f148cfaf38f72a4fd;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git drm/i915: Remove a couple pointless WARN_ONs Just two WARN_ONs followed by pointer dereference I spotted by accident. v2: Remove some more of the same. Signed-off-by: Tvrtko Ursulin Reviewed-by: Chris Wilson Link: http://patchwork.freedesktop.org/patch/msgid/1461080770-14693-1-git-send-email-tvrtko.ursulin@linux.intel.com --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6ce2c31b9a81..a14a98341a4b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1444,18 +1444,13 @@ __i915_gem_request_retire__upto(struct drm_i915_gem_request *req) int i915_wait_request(struct drm_i915_gem_request *req) { - struct drm_device *dev; - struct drm_i915_private *dev_priv; + struct drm_i915_private *dev_priv = req->i915; bool interruptible; int ret; - BUG_ON(req == NULL); - - dev = req->engine->dev; - dev_priv = dev->dev_private; 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_wait_request(req, interruptible, NULL, NULL); if (ret) @@ -4355,7 +4350,6 @@ i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj, { struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view); - BUG_ON(!vma); WARN_ON(vma->pin_count == 0); WARN_ON(!i915_gem_obj_ggtt_bound_view(obj, view)); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 1562a75ac9d1..6179b591ee84 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -892,8 +892,6 @@ int intel_logical_ring_begin(struct drm_i915_gem_request *req, int num_dwords) { int ret; - WARN_ON(req == NULL); - ret = logical_ring_prepare(req, num_dwords * sizeof(uint32_t)); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 444d30adf60d..978f0b676c68 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2490,14 +2490,9 @@ static int __intel_ring_prepare(struct intel_engine_cs *engine, int bytes) int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) { - struct intel_engine_cs *engine; - struct drm_i915_private *dev_priv; + struct intel_engine_cs *engine = req->engine; int ret; - WARN_ON(req == NULL); - engine = req->engine; - dev_priv = req->i915; - ret = __intel_ring_prepare(engine, num_dwords * sizeof(uint32_t)); if (ret) return ret;