drm/i915: Update GGTT initialisation functions to take drm_i915_private

Since these are internal functions they operate on drm_i915_private and
not the drm_device being passed in. So pass in the drm_i915_private
instead, and remove one layer of dancing. No space wins here, just
conforming to the norm in function parameters.

v2: Include all the probe functions

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-3-git-send-email-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 8996c2a..ed52f61 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1004,7 +1004,7 @@
 
 	intel_sanitize_options(dev_priv);
 
-	ret = i915_ggtt_probe_hw(dev);
+	ret = i915_ggtt_probe_hw(dev_priv);
 	if (ret)
 		return ret;
 
@@ -1022,11 +1022,11 @@
 		goto out_ggtt;
 	}
 
-	ret = i915_ggtt_init_hw(dev);
+	ret = i915_ggtt_init_hw(dev_priv);
 	if (ret)
 		return ret;
 
-	ret = i915_ggtt_enable_hw(dev);
+	ret = i915_ggtt_enable_hw(dev_priv);
 	if (ret) {
 		DRM_ERROR("failed to enable GGTT\n");
 		goto out_ggtt;
@@ -1104,7 +1104,7 @@
 	return 0;
 
 out_ggtt:
-	i915_ggtt_cleanup_hw(dev);
+	i915_ggtt_cleanup_hw(dev_priv);
 
 	return ret;
 }
@@ -1124,7 +1124,7 @@
 	pm_qos_remove_request(&dev_priv->pm_qos);
 	arch_phys_wc_del(ggtt->mtrr);
 	io_mapping_free(ggtt->mappable);
-	i915_ggtt_cleanup_hw(dev);
+	i915_ggtt_cleanup_hw(dev_priv);
 }
 
 /**
@@ -1570,7 +1570,7 @@
 
 	disable_rpm_wakeref_asserts(dev_priv);
 
-	ret = i915_ggtt_enable_hw(dev);
+	ret = i915_ggtt_enable_hw(dev_priv);
 	if (ret)
 		DRM_ERROR("failed to re-enable GGTT\n");