drm/i915: Pass dev_priv to intel_setup_outputs()

Pass dev_priv to intel_setup_outputs() and functions called by it, since
those are all intel i915 specific functions. Also, in the majority of
the functions dev_priv is used more often than dev. In the rare cases
where there are a few calls back into drm core, a local dev variable was
added.

v2: Don't convert dev to &dev_priv->drm in intel_dsi_init. (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479910904-11005-1-git-send-email-ander.conselvan.de.oliveira@intel.com
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index b893e67..0fba4bb 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1579,7 +1579,7 @@ static int i915_drm_resume(struct drm_device *dev)
 	intel_pps_unlock_regs_wa(dev_priv);
 	intel_opregion_setup(dev_priv);
 
-	intel_init_pch_refclk(dev);
+	intel_init_pch_refclk(dev_priv);
 	drm_mode_config_reset(dev);
 
 	/*
@@ -2418,7 +2418,7 @@ static int intel_runtime_resume(struct device *kdev)
 	intel_guc_resume(dev);
 
 	if (IS_GEN6(dev_priv))
-		intel_init_pch_refclk(dev);
+		intel_init_pch_refclk(dev_priv);
 
 	if (IS_BROXTON(dev_priv)) {
 		bxt_disable_dc9(dev_priv);