drm/i915/guc: prefer 'dev_priv' to 'dev' for intra-module functions

There are four non-static functions in i915_guc_submission.c that take a
'dev' parameter. All are called only from GuC loader code, and can be
easily converted to accept 'dev_priv' instead.

Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465579766-31595-1-git-send-email-david.s.gordon@intel.com

3 files changed, 15 insertions, 19 deletions

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 1bd0fac2ce94..65e67f0f0e91 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -906,9 +906,8 @@ static void guc_create_ads(struct intel_guc *guc)
  * Set up the memory resources to be shared with the GuC.  At this point,
  * we require just one object that can be mapped through the GGTT.
  */
-int i915_guc_submission_init(struct drm_device *dev)
+int i915_guc_submission_init(struct drm_i915_private *dev_priv)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         const size_t ctxsize = sizeof(struct guc_context_desc);
         const size_t poolsize = GUC_MAX_GPU_CONTEXTS * ctxsize;
         const size_t gemsize = round_up(poolsize, PAGE_SIZE);
@@ -916,7 +915,7 @@ int i915_guc_submission_init(struct drm_device *dev)
 
         /* Wipe bitmap & delete client in case of reinitialisation */
         bitmap_clear(guc->doorbell_bitmap, 0, GUC_MAX_DOORBELLS);
-        i915_guc_submission_disable(dev);
+        i915_guc_submission_disable(dev_priv);
 
         if (!i915.enable_guc_submission)
                 return 0; /* not enabled  */
@@ -935,9 +934,8 @@ int i915_guc_submission_init(struct drm_device *dev)
         return 0;
 }
 
-int i915_guc_submission_enable(struct drm_device *dev)
+int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         struct intel_guc *guc = &dev_priv->guc;
         struct i915_guc_client *client;
 
@@ -957,18 +955,16 @@ int i915_guc_submission_enable(struct drm_device *dev)
         return 0;
 }
 
-void i915_guc_submission_disable(struct drm_device *dev)
+void i915_guc_submission_disable(struct drm_i915_private *dev_priv)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         struct intel_guc *guc = &dev_priv->guc;
 
         guc_client_free(dev_priv, guc->execbuf_client);
         guc->execbuf_client = NULL;
 }
 
-void i915_guc_submission_fini(struct drm_device *dev)
+void i915_guc_submission_fini(struct drm_i915_private *dev_priv)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         struct intel_guc *guc = &dev_priv->guc;
 
         gem_release_guc_obj(dev_priv->guc.ads_obj);
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h
index 41601c71f529..4df80cc9a291 100644
--- a/drivers/gpu/drm/i915/intel_guc.h
+++ b/drivers/gpu/drm/i915/intel_guc.h
@@ -156,11 +156,11 @@ extern int intel_guc_suspend(struct drm_device *dev);
 extern int intel_guc_resume(struct drm_device *dev);
 
 /* i915_guc_submission.c */
-int i915_guc_submission_init(struct drm_device *dev);
-int i915_guc_submission_enable(struct drm_device *dev);
+int i915_guc_submission_init(struct drm_i915_private *dev_priv);
+int i915_guc_submission_enable(struct drm_i915_private *dev_priv);
 int i915_guc_wq_check_space(struct drm_i915_gem_request *rq);
 int i915_guc_submit(struct drm_i915_gem_request *rq);
-void i915_guc_submission_disable(struct drm_device *dev);
-void i915_guc_submission_fini(struct drm_device *dev);
+void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
+void i915_guc_submission_fini(struct drm_i915_private *dev_priv);
 
 #endif
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 05732e31f6cc..8fe96a2d989e 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -453,7 +453,7 @@ int intel_guc_setup(struct drm_device *dev)
                 intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status),
                 intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
 
-        err = i915_guc_submission_init(dev);
+        err = i915_guc_submission_init(dev_priv);
         if (err)
                 goto fail;
 
@@ -492,7 +492,7 @@ int intel_guc_setup(struct drm_device *dev)
                 intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
 
         if (i915.enable_guc_submission) {
-                err = i915_guc_submission_enable(dev);
+                err = i915_guc_submission_enable(dev_priv);
                 if (err)
                         goto fail;
                 direct_interrupts_to_guc(dev_priv);
@@ -505,8 +505,8 @@ fail:
                 guc_fw->guc_fw_load_status = GUC_FIRMWARE_FAIL;
 
         direct_interrupts_to_host(dev_priv);
-        i915_guc_submission_disable(dev);
-        i915_guc_submission_fini(dev);
+        i915_guc_submission_disable(dev_priv);
+        i915_guc_submission_fini(dev_priv);
 
         /*
          * We've failed to load the firmware :(
@@ -733,8 +733,8 @@ void intel_guc_fini(struct drm_device *dev)
 
         mutex_lock(&dev->struct_mutex);
         direct_interrupts_to_host(dev_priv);
-        i915_guc_submission_disable(dev);
-        i915_guc_submission_fini(dev);
+        i915_guc_submission_disable(dev_priv);
+        i915_guc_submission_fini(dev_priv);
 
         if (guc_fw->guc_fw_obj)
                 drm_gem_object_unreference(&guc_fw->guc_fw_obj->base);