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_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 3b1c5d7..adc51e4 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -379,13 +379,13 @@ enum drm_connector_status
 intel_panel_detect(struct drm_i915_private *dev_priv)
 {
 	/* Assume that the BIOS does not lie through the OpRegion... */
-	if (!i915.panel_ignore_lid && dev_priv->opregion.lid_state) {
+	if (!i915_modparams.panel_ignore_lid && dev_priv->opregion.lid_state) {
 		return *dev_priv->opregion.lid_state & 0x1 ?
 			connector_status_connected :
 			connector_status_disconnected;
 	}
 
-	switch (i915.panel_ignore_lid) {
+	switch (i915_modparams.panel_ignore_lid) {
 	case -2:
 		return connector_status_connected;
 	case -1:
@@ -465,10 +465,10 @@ static u32 intel_panel_compute_brightness(struct intel_connector *connector,
 
 	WARN_ON(panel->backlight.max == 0);
 
-	if (i915.invert_brightness < 0)
+	if (i915_modparams.invert_brightness < 0)
 		return val;
 
-	if (i915.invert_brightness > 0 ||
+	if (i915_modparams.invert_brightness > 0 ||
 	    dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) {
 		return panel->backlight.max - val + panel->backlight.min;
 	}