drm/i915: Rename global i915 to i915_modparams

Our global struct with params is named exactly the same way
as new preferred name for the drm_i915_private function parameter.
To avoid such name reuse lets use different name for the global.

v5: pure rename
v6: fix

Credits-to: Coccinelle

@@
identifier n;
@@
(
-	i915.n
+	i915_modparams.n
)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Ville Syrjala <ville.syrjala@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170919193846.38060-1-michal.wajdeczko@intel.com
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index acb5094..0a17d1f 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -396,7 +396,7 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
-	if (!i915.enable_psr) {
+	if (!i915_modparams.enable_psr) {
 		DRM_DEBUG_KMS("PSR disable by flag\n");
 		return false;
 	}
@@ -943,8 +943,8 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
 		HSW_EDP_PSR_BASE : BDW_EDP_PSR_BASE;
 
 	/* Per platform default: all disabled. */
-	if (i915.enable_psr == -1)
-		i915.enable_psr = 0;
+	if (i915_modparams.enable_psr == -1)
+		i915_modparams.enable_psr = 0;
 
 	/* Set link_standby x link_off defaults */
 	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
@@ -958,11 +958,11 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
 		dev_priv->psr.link_standby = dev_priv->vbt.psr.full_link;
 
 	/* Override link_standby x link_off defaults */
-	if (i915.enable_psr == 2 && !dev_priv->psr.link_standby) {
+	if (i915_modparams.enable_psr == 2 && !dev_priv->psr.link_standby) {
 		DRM_DEBUG_KMS("PSR: Forcing link standby\n");
 		dev_priv->psr.link_standby = true;
 	}
-	if (i915.enable_psr == 3 && dev_priv->psr.link_standby) {
+	if (i915_modparams.enable_psr == 3 && dev_priv->psr.link_standby) {
 		DRM_DEBUG_KMS("PSR: Forcing main link off\n");
 		dev_priv->psr.link_standby = false;
 	}